Feature - RFunction object added. #4117
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/**
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* Copyright (c) 2013-2021 Nikita Koksharov
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson;
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import org.redisson.api.FunctionLibrary;
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import org.redisson.api.FunctionStats;
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import org.redisson.api.RFunction;
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import org.redisson.api.RFuture;
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import org.redisson.client.codec.ByteArrayCodec;
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import org.redisson.client.codec.Codec;
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import org.redisson.client.codec.StringCodec;
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import org.redisson.client.protocol.RedisCommands;
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import org.redisson.command.CommandAsyncExecutor;
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import org.redisson.misc.CompletableFutureWrapper;
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import java.util.*;
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import java.util.concurrent.CompletableFuture;
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/**
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*
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* @author Nikita Koksharov
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*
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*/
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public class RedissonFuction implements RFunction {
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private final Codec codec;
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private final CommandAsyncExecutor commandExecutor;
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public RedissonFuction(CommandAsyncExecutor commandExecutor) {
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this.commandExecutor = commandExecutor;
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this.codec = commandExecutor.getConnectionManager().getCodec();
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}
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public RedissonFuction(CommandAsyncExecutor commandExecutor, Codec codec) {
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this.commandExecutor = commandExecutor;
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this.codec = codec;
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}
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@Override
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public void delete(String libraryName) {
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commandExecutor.get(deleteAsync(libraryName));
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}
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@Override
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public RFuture<Void> deleteAsync(String libraryName) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_DELETE, libraryName);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public byte[] dump() {
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return commandExecutor.get(dumpAsync());
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}
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@Override
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public RFuture<byte[]> dumpAsync() {
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return commandExecutor.readAsync((String) null, ByteArrayCodec.INSTANCE, RedisCommands.FUNCTION_DUMP);
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}
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@Override
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public void flush() {
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commandExecutor.get(flushAsync());
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}
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@Override
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public RFuture<Void> flushAsync() {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_FLUSH);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public void kill() {
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commandExecutor.get(killAsync());
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}
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@Override
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public RFuture<Void> killAsync() {
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List<CompletableFuture<Void>> futures = commandExecutor.executeAll(RedisCommands.FUNCTION_KILL);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public List<FunctionLibrary> list() {
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return commandExecutor.get(listAsync());
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}
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@Override
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public RFuture<List<FunctionLibrary>> listAsync() {
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return commandExecutor.readAsync((String) null, ByteArrayCodec.INSTANCE, RedisCommands.FUNCTION_LIST);
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}
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@Override
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public List<FunctionLibrary> list(String namePattern) {
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return commandExecutor.get(listAsync(namePattern));
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}
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@Override
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public RFuture<List<FunctionLibrary>> listAsync(String namePattern) {
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return commandExecutor.readAsync((String) null, ByteArrayCodec.INSTANCE, RedisCommands.FUNCTION_LIST, "LIBRARYNAME", namePattern);
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}
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@Override
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public void load(String libraryName, String code) {
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commandExecutor.get(loadAsync(libraryName, code));
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}
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@Override
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public RFuture<Void> loadAsync(String libraryName, String code) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_LOAD, "Lua", libraryName, code);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public void loadAndReplace(String libraryName, String code) {
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commandExecutor.get(loadAndReplaceAsync(libraryName, code));
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}
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@Override
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public RFuture<Void> loadAndReplaceAsync(String libraryName, String code) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_LOAD,
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"Lua", libraryName, "REPLACE", code);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public void restore(byte[] payload) {
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commandExecutor.get(restoreAsync(payload));
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}
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@Override
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public RFuture<Void> restoreAsync(byte[] payload) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_RESTORE, (Object) payload);
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public void restoreAndReplace(byte[] payload) {
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commandExecutor.get(restoreAndReplaceAsync(payload));
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}
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@Override
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public RFuture<Void> restoreAndReplaceAsync(byte[] payload) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_RESTORE, payload, "REPLACE");
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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@Override
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public void restoreAfterFlush(byte[] payload) {
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commandExecutor.get(restoreAfterFlushAsync(payload));
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}
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@Override
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public RFuture<Void> restoreAfterFlushAsync(byte[] payload) {
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List<CompletableFuture<Void>> futures = commandExecutor.executeMasters(RedisCommands.FUNCTION_RESTORE, payload, "FLUSH");
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CompletableFuture<Void> f = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
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return new CompletableFutureWrapper<>(f);
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}
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private List<Object> encode(Collection<?> values, Codec codec) {
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List<Object> result = new ArrayList<Object>(values.size());
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for (Object object : values) {
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result.add(commandExecutor.encode(codec, object));
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}
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return result;
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}
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@Override
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public <R> R call(String key, Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values) {
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return commandExecutor.get(callAsync(key, mode, name, returnType, keys, values));
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}
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@Override
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public <R> R call(Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values) {
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return commandExecutor.get(callAsync(mode, name, returnType, keys, values));
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}
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@Override
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public <R> R call(Mode mode, String name, ReturnType returnType) {
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return commandExecutor.get(callAsync(mode, name, returnType));
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}
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@Override
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public FunctionStats stats() {
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return commandExecutor.get(statsAsync());
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}
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@Override
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public RFuture<FunctionStats> statsAsync() {
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return commandExecutor.readAsync((String) null, StringCodec.INSTANCE, RedisCommands.FUNCTION_STATS);
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}
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@Override
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public <R> RFuture<R> callAsync(String key, Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values) {
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List<Object> args = new ArrayList<>();
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args.add(name);
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args.add(keys.size());
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if (keys.size() > 0) {
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args.add(keys);
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}
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args.addAll(encode(Arrays.asList(values), codec));
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if (mode == Mode.READ) {
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return commandExecutor.readAsync(key, codec, returnType.getCommand(), args.toArray());
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}
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return commandExecutor.writeAsync(key, codec, returnType.getCommand(), args.toArray());
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}
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@Override
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public <R> RFuture<R> callAsync(Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values) {
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return callAsync(null, mode, name, returnType, keys, values);
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}
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@Override
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public <R> RFuture<R> callAsync(Mode mode, String name, ReturnType returnType) {
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return callAsync(mode, name, returnType, Collections.emptyList());
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}
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}
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@ -0,0 +1,89 @@
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/**
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* Copyright (c) 2013-2021 Nikita Koksharov
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.api;
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import java.util.List;
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/**
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* Encapsulates information about Redis functions library.
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*
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* @author Nikita Koksharov
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*
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*/
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public class FunctionLibrary {
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public enum Flag {NO_WRITES, ALLOW_OOM, ALLOW_STALE, NO_CLUSTER}
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public static class Function {
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private final String name;
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private final String description;
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private final List<Flag> flags;
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public Function(String name, String description, List<Flag> flags) {
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this.name = name;
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this.description = description;
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this.flags = flags;
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}
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public List<Flag> getFlags() {
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return flags;
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}
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public String getDescription() {
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return description;
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}
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public String getName() {
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return name;
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}
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}
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private final String name;
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private final String engine;
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private final String description;
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private final String code;
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private final List<Function> functions;
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public FunctionLibrary(String name, String engine, String description, String code, List<Function> functions) {
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this.name = name;
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this.engine = engine;
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this.description = description;
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this.code = code;
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this.functions = functions;
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}
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public String getName() {
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return name;
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}
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public String getEngine() {
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return engine;
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}
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public String getDescription() {
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return description;
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}
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public String getCode() {
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return code;
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}
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public List<Function> getFunctions() {
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return functions;
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}
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}
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@ -0,0 +1,125 @@
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/**
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* Copyright (c) 2013-2021 Nikita Koksharov
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.redisson.api;
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import java.time.Duration;
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import java.util.List;
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import java.util.Map;
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/**
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* Encapsulates information about currently running
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* Redis function and available execution engines.
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*
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* @author Nikita Koksharov
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*
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*/
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public class FunctionStats {
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public static class Engine {
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private final Long libraries;
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private final Long functions;
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public Engine(Long libraries, Long functions) {
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this.libraries = libraries;
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this.functions = functions;
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}
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/**
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* Returns libraries amount
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*
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* @return libraries amount
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*/
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public Long getLibraries() {
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return libraries;
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}
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/**
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* Returns functions amount
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*
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* @return functions amount
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*/
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public Long getFunctions() {
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return functions;
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}
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}
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public static class RunningFunction {
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private final String name;
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private final List<Object> command;
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private final Duration duration;
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public RunningFunction(String name, List<Object> command, Duration duration) {
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this.name = name;
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this.command = command;
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this.duration = duration;
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}
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/**
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* Returns name of running function
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*
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* @return name
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*/
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public String getName() {
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return name;
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}
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/**
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* Returns arguments of running function
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*
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* @return arguments
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||||||
|
*/
|
||||||
|
public List<Object> getCommand() {
|
||||||
|
return command;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns runtime duration of running function
|
||||||
|
*
|
||||||
|
* @return runtime duration
|
||||||
|
*/
|
||||||
|
public Duration getDuration() {
|
||||||
|
return duration;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private final RunningFunction runningFunction;
|
||||||
|
private final Map<String, Engine> engines;
|
||||||
|
|
||||||
|
public FunctionStats(RunningFunction runningFunction, Map<String, Engine> engines) {
|
||||||
|
this.runningFunction = runningFunction;
|
||||||
|
this.engines = engines;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns currently running fuction otherwise {@code null}
|
||||||
|
*
|
||||||
|
* @return running function
|
||||||
|
*/
|
||||||
|
public RunningFunction getRunningFunction() {
|
||||||
|
return runningFunction;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns engine objects mapped by function engine name
|
||||||
|
*
|
||||||
|
* @return engine objects
|
||||||
|
*/
|
||||||
|
public Map<String, Engine> getEngines() {
|
||||||
|
return engines;
|
||||||
|
}
|
||||||
|
}
|
@ -0,0 +1,227 @@
|
|||||||
|
/**
|
||||||
|
* Copyright (c) 2013-2021 Nikita Koksharov
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.redisson.api;
|
||||||
|
|
||||||
|
import org.redisson.client.protocol.RedisCommand;
|
||||||
|
import org.redisson.client.protocol.RedisCommands;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Interface for Redis Function feature
|
||||||
|
*
|
||||||
|
* @author Nikita Koksharov
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public interface RFunction extends RFunctionAsync {
|
||||||
|
|
||||||
|
enum Mode {
|
||||||
|
/**
|
||||||
|
* Execute script as read operation
|
||||||
|
*/
|
||||||
|
READ,
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Execute function as read operation
|
||||||
|
*/
|
||||||
|
WRITE
|
||||||
|
}
|
||||||
|
|
||||||
|
enum ReturnType {
|
||||||
|
/**
|
||||||
|
* Result is a value of Boolean type
|
||||||
|
*/
|
||||||
|
BOOLEAN(RedisCommands.FCALL_BOOLEAN_SAFE),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of Long type
|
||||||
|
*/
|
||||||
|
LONG(RedisCommands.FCALL_LONG),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of List type
|
||||||
|
*/
|
||||||
|
LIST(RedisCommands.FCALL_LIST),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of plain String type
|
||||||
|
*/
|
||||||
|
STRING(RedisCommands.FCALL_STRING),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of Object type
|
||||||
|
*/
|
||||||
|
VALUE(RedisCommands.FCALL_OBJECT),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of Map Value type. Codec.getMapValueDecoder() and Codec.getMapValueEncoder()
|
||||||
|
* methods are used for data deserialization or serialization.
|
||||||
|
*/
|
||||||
|
MAPVALUE(RedisCommands.FCALL_MAP_VALUE),
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Result is a value of List type, which consists of objects of Map Value type.
|
||||||
|
* Codec.getMapValueDecoder() and Codec.getMapValueEncoder()
|
||||||
|
* methods are used for data deserialization or serialization.
|
||||||
|
*/
|
||||||
|
MAPVALUELIST(RedisCommands.FCALL_MAP_VALUE_LIST);
|
||||||
|
|
||||||
|
private final RedisCommand<?> command;
|
||||||
|
|
||||||
|
ReturnType(RedisCommand<?> command) {
|
||||||
|
this.command = command;
|
||||||
|
}
|
||||||
|
|
||||||
|
public RedisCommand<?> getCommand() {
|
||||||
|
return command;
|
||||||
|
}
|
||||||
|
|
||||||
|
};
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes library. Error is thrown if library doesn't exist.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
*/
|
||||||
|
void delete(String libraryName);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns serialized state of all libraries.
|
||||||
|
*
|
||||||
|
* @return serialized state
|
||||||
|
*/
|
||||||
|
byte[] dump();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes all libraries.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void flush();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Kills currently executed functions.
|
||||||
|
* Applied only to functions which don't modify data.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
void kill();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each.
|
||||||
|
*
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
List<FunctionLibrary> list();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each by name pattern.
|
||||||
|
* <p>
|
||||||
|
* Supported glob-style patterns:
|
||||||
|
* h?llo matches hello, hallo and hxllo
|
||||||
|
* h*llo matches hllo and heeeello
|
||||||
|
* h[ae]llo matches hello and hallo, but not hillo
|
||||||
|
*
|
||||||
|
* @param namePattern name pattern
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
List<FunctionLibrary> list(String namePattern);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library. Error is thrown if library already exists.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
void load(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library and overwrites existing library.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
void loadAndReplace(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries and throws error in case of collision.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
void restore(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
void restoreAndReplace(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Deletes all existing libraries before restoring.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
void restoreAfterFlush(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about currently running
|
||||||
|
* Redis function and available execution engines.
|
||||||
|
*
|
||||||
|
* @return function information
|
||||||
|
*/
|
||||||
|
FunctionStats stats();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param key - used to locate Redis node in Cluster
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> R call(String key, Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> R call(Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> R call(Mode mode, String name, ReturnType returnType);
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,164 @@
|
|||||||
|
/**
|
||||||
|
* Copyright (c) 2013-2021 Nikita Koksharov
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.redisson.api;
|
||||||
|
|
||||||
|
import org.redisson.api.RFunction.Mode;
|
||||||
|
import org.redisson.api.RFunction.ReturnType;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Interface for Redis Function feature
|
||||||
|
*
|
||||||
|
* @author Nikita Koksharov
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public interface RFunctionAsync {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes library. Error is thrown if library doesn't exist.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
*/
|
||||||
|
RFuture<Void> deleteAsync(String libraryName);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns serialized state of all libraries.
|
||||||
|
*
|
||||||
|
* @return serialized state
|
||||||
|
*/
|
||||||
|
RFuture<byte[]> dumpAsync();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes all libraries.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
RFuture<Void> flushAsync();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Kills currently executed functions.
|
||||||
|
* Applied only to functions which don't modify data.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
RFuture<Void> killAsync();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each.
|
||||||
|
*
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
RFuture<List<FunctionLibrary>> listAsync();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each by name pattern.
|
||||||
|
* <p>
|
||||||
|
* Supported glob-style patterns:
|
||||||
|
* h?llo matches hello, hallo and hxllo
|
||||||
|
* h*llo matches hllo and heeeello
|
||||||
|
* h[ae]llo matches hello and hallo, but not hillo
|
||||||
|
*
|
||||||
|
* @param namePattern name pattern
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
RFuture<List<FunctionLibrary>> listAsync(String namePattern);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library. Error is thrown if library already exists.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
RFuture<Void> loadAsync(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library and overwrites existing library.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
RFuture<Void> loadAndReplaceAsync(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dumpAsync()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries and throws error in case of collision.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
RFuture<Void> restoreAsync(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dumpAsync()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
RFuture<Void> restoreAndReplaceAsync(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dumpAsync()} method.
|
||||||
|
* Deletes all existing libraries before restoring.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
RFuture<Void> restoreAfterFlushAsync(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about currently running
|
||||||
|
* Redis function and available execution engines.
|
||||||
|
*
|
||||||
|
* @return function information
|
||||||
|
*/
|
||||||
|
RFuture<FunctionStats> statsAsync();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param key - used to locate Redis node in Cluster which stores cached Lua script
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> RFuture<R> callAsync(String key, Mode mode, String name, ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> RFuture<R> callAsync(Mode mode, String name, RFunction.ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> RFuture<R> callAsync(Mode mode, String name, ReturnType returnType);
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,163 @@
|
|||||||
|
/**
|
||||||
|
* Copyright (c) 2013-2021 Nikita Koksharov
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.redisson.api;
|
||||||
|
|
||||||
|
import reactor.core.publisher.Mono;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Interface for Redis Function feature
|
||||||
|
*
|
||||||
|
* @author Nikita Koksharov
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public interface RFunctionReactive {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes library. Error is thrown if library doesn't exist.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
*/
|
||||||
|
Mono<Void> delete(String libraryName);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns serialized state of all libraries.
|
||||||
|
*
|
||||||
|
* @return serialized state
|
||||||
|
*/
|
||||||
|
Mono<byte[]> dump();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes all libraries.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
Mono<Void> flush();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Kills currently executed functions.
|
||||||
|
* Applied only to functions which don't modify data.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
Mono<Void> kill();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each.
|
||||||
|
*
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
Mono<List<FunctionLibrary>> list();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each by name pattern.
|
||||||
|
* <p>
|
||||||
|
* Supported glob-style patterns:
|
||||||
|
* h?llo matches hello, hallo and hxllo
|
||||||
|
* h*llo matches hllo and heeeello
|
||||||
|
* h[ae]llo matches hello and hallo, but not hillo
|
||||||
|
*
|
||||||
|
* @param namePattern name pattern
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
Mono<List<FunctionLibrary>> list(String namePattern);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library. Error is thrown if library already exists.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
Mono<Void> load(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library and overwrites existing library.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
Mono<Void> loadAndReplace(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries and throws error in case of collision.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Mono<Void> restore(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Mono<Void> restoreAndReplace(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Deletes all existing libraries before restoring.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Mono<Void> restoreAfterFlush(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about currently running
|
||||||
|
* Redis function and available execution engines.
|
||||||
|
*
|
||||||
|
* @return function information
|
||||||
|
*/
|
||||||
|
Mono<FunctionStats> stats();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param key - used to locate Redis node in Cluster
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Mono<R> call(String key, RFunction.Mode mode, String name, RFunction.ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Mono<R> call(RFunction.Mode mode, String name, RFunction.ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Mono<R> call(RFunction.Mode mode, String name, RFunction.ReturnType returnType);
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,165 @@
|
|||||||
|
/**
|
||||||
|
* Copyright (c) 2013-2021 Nikita Koksharov
|
||||||
|
*
|
||||||
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
* you may not use this file except in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
package org.redisson.api;
|
||||||
|
|
||||||
|
import io.reactivex.rxjava3.core.Completable;
|
||||||
|
import io.reactivex.rxjava3.core.Maybe;
|
||||||
|
import io.reactivex.rxjava3.core.Single;
|
||||||
|
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Interface for Redis Function feature
|
||||||
|
*
|
||||||
|
* @author Nikita Koksharov
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
public interface RFunctionRx {
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes library. Error is thrown if library doesn't exist.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
*/
|
||||||
|
Completable delete(String libraryName);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns serialized state of all libraries.
|
||||||
|
*
|
||||||
|
* @return serialized state
|
||||||
|
*/
|
||||||
|
Single<byte[]> dump();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Deletes all libraries.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
Completable flush();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Kills currently executed functions.
|
||||||
|
* Applied only to functions which don't modify data.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
Completable kill();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each.
|
||||||
|
*
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
Single<List<FunctionLibrary>> list();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about libraries and functions per each by name pattern.
|
||||||
|
* <p>
|
||||||
|
* Supported glob-style patterns:
|
||||||
|
* h?llo matches hello, hallo and hxllo
|
||||||
|
* h*llo matches hllo and heeeello
|
||||||
|
* h[ae]llo matches hello and hallo, but not hillo
|
||||||
|
*
|
||||||
|
* @param namePattern name pattern
|
||||||
|
* @return list of libraries
|
||||||
|
*/
|
||||||
|
Single<List<FunctionLibrary>> list(String namePattern);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library. Error is thrown if library already exists.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
Completable load(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Loads a library and overwrites existing library.
|
||||||
|
*
|
||||||
|
* @param libraryName library name
|
||||||
|
* @param code function code
|
||||||
|
*/
|
||||||
|
Completable loadAndReplace(String libraryName, String code);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries and throws error in case of collision.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Completable restore(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Restored libraries are appended to the existing libraries.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Completable restoreAndReplace(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Restores libraries using their state returned by {@link #dump()} method.
|
||||||
|
* Deletes all existing libraries before restoring.
|
||||||
|
*
|
||||||
|
* @param payload serialized state
|
||||||
|
*/
|
||||||
|
Completable restoreAfterFlush(byte[] payload);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Returns information about currently running
|
||||||
|
* Redis function and available execution engines.
|
||||||
|
*
|
||||||
|
* @return function information
|
||||||
|
*/
|
||||||
|
Single<FunctionStats> stats();
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param key - used to locate Redis node in Cluster
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Maybe<R> call(String key, RFunction.Mode mode, String name, RFunction.ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @param keys - keys available through KEYS param in script
|
||||||
|
* @param values - values available through VALUES param in script
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Maybe<R> call(RFunction.Mode mode, String name, RFunction.ReturnType returnType, List<Object> keys, Object... values);
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Executes function
|
||||||
|
*
|
||||||
|
* @param <R> - type of result
|
||||||
|
* @param mode - execution mode
|
||||||
|
* @param name - function name
|
||||||
|
* @param returnType - return type
|
||||||
|
* @return result object
|
||||||
|
*/
|
||||||
|
<R> Maybe<R> call(RFunction.Mode mode, String name, RFunction.ReturnType returnType);
|
||||||
|
|
||||||
|
}
|
@ -0,0 +1,99 @@
|
|||||||
|
package org.redisson;
|
||||||
|
|
||||||
|
import org.junit.jupiter.api.Test;
|
||||||
|
import org.redisson.api.FunctionLibrary;
|
||||||
|
import org.redisson.api.FunctionStats;
|
||||||
|
import org.redisson.api.RFunction;
|
||||||
|
import org.redisson.client.codec.LongCodec;
|
||||||
|
import org.redisson.client.codec.StringCodec;
|
||||||
|
|
||||||
|
import java.util.Collections;
|
||||||
|
import java.util.List;
|
||||||
|
|
||||||
|
import static org.assertj.core.api.Assertions.assertThat;
|
||||||
|
|
||||||
|
public class RedissonFunctionTest extends BaseTest {
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testEmpty() {
|
||||||
|
RFunction f = redisson.getFunction();
|
||||||
|
f.flush();
|
||||||
|
assertThat(f.dump()).isNotEmpty();
|
||||||
|
assertThat(f.list()).isEmpty();
|
||||||
|
assertThat(f.list("test")).isEmpty();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testStats() {
|
||||||
|
RFunction f = redisson.getFunction();
|
||||||
|
f.flush();
|
||||||
|
f.load("lib", "redis.register_function('myfun', function(keys, args) for i = 1, 8829381983, 1 do end return args[1] end)" +
|
||||||
|
"redis.register_function('myfun2', function(keys, args) return 'test' end)" +
|
||||||
|
"redis.register_function('myfun3', function(keys, args) return 123 end)");
|
||||||
|
f.callAsync(RFunction.Mode.READ, "myfun", RFunction.ReturnType.VALUE, Collections.emptyList(), "test");
|
||||||
|
FunctionStats stats = f.stats();
|
||||||
|
FunctionStats.RunningFunction func = stats.getRunningFunction();
|
||||||
|
assertThat(func.getName()).isEqualTo("myfun");
|
||||||
|
FunctionStats.Engine engine = stats.getEngines().get("LUA");
|
||||||
|
assertThat(engine.getLibraries()).isEqualTo(1);
|
||||||
|
assertThat(engine.getFunctions()).isEqualTo(3);
|
||||||
|
|
||||||
|
f.kill();
|
||||||
|
FunctionStats stats2 = f.stats();
|
||||||
|
assertThat(stats2.getRunningFunction()).isNull();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testCall() {
|
||||||
|
RFunction f = redisson.getFunction();
|
||||||
|
f.flush();
|
||||||
|
f.load("lib", "redis.register_function('myfun', function(keys, args) return args[1] end)" +
|
||||||
|
"redis.register_function('myfun2', function(keys, args) return 'test' end)" +
|
||||||
|
"redis.register_function('myfun3', function(keys, args) return 123 end)");
|
||||||
|
String s = f.call(RFunction.Mode.READ, "myfun", RFunction.ReturnType.VALUE, Collections.emptyList(), "test");
|
||||||
|
assertThat(s).isEqualTo("test");
|
||||||
|
|
||||||
|
RFunction f2 = redisson.getFunction(StringCodec.INSTANCE);
|
||||||
|
String s2 = f2.call(RFunction.Mode.READ, "myfun2", RFunction.ReturnType.STRING, Collections.emptyList());
|
||||||
|
assertThat(s2).isEqualTo("test");
|
||||||
|
|
||||||
|
RFunction f3 = redisson.getFunction(LongCodec.INSTANCE);
|
||||||
|
Long s3 = f3.call(RFunction.Mode.READ, "myfun3", RFunction.ReturnType.LONG, Collections.emptyList());
|
||||||
|
assertThat(s3).isEqualTo(123L);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testList() {
|
||||||
|
RFunction f = redisson.getFunction();
|
||||||
|
f.flush();
|
||||||
|
f.load("lib", "redis.register_function('myfun', function(keys, args) return args[1] end)" +
|
||||||
|
"redis.register_function{function_name='myfun2', callback=function(keys, args) return args[1] end, flags={ 'no-writes' }}");
|
||||||
|
|
||||||
|
List<FunctionLibrary> data = f.list();
|
||||||
|
FunctionLibrary fl = data.get(0);
|
||||||
|
assertThat(fl.getName()).isEqualTo("lib");
|
||||||
|
FunctionLibrary.Function f2 = fl.getFunctions().stream().filter(e -> e.getName().equals("myfun2")).findFirst().get();
|
||||||
|
assertThat(f2.getFlags()).containsExactly(FunctionLibrary.Flag.NO_WRITES);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Test
|
||||||
|
public void testListPattern() {
|
||||||
|
RFunction f = redisson.getFunction();
|
||||||
|
f.flush();
|
||||||
|
f.load("alib", "redis.register_function('myfun', function(keys, args) return args[1] end)");
|
||||||
|
f.load("lib2", "redis.register_function('myfun2', function(keys, args) return args[1] end)");
|
||||||
|
|
||||||
|
List<FunctionLibrary> data = f.list("ali*");
|
||||||
|
FunctionLibrary fl = data.get(0);
|
||||||
|
assertThat(data).hasSize(1);
|
||||||
|
assertThat(fl.getName()).isEqualTo("alib");
|
||||||
|
|
||||||
|
List<FunctionLibrary> data1 = f.list("ali2*");
|
||||||
|
assertThat(data1).isEmpty();
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue