PubSub messaging handling
Nikita
10 years ago
parent
e5da696339
commit
7a35bdd31e
@ -0,0 +1,9 @@
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package org.redisson.client;
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public interface RedisPubSubListener<V> {
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void onMessage(String channel, V message);
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void onPatternMessage(String pattern, String channel, V message);
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}
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package org.redisson.client.protocol;
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public interface Convertor<R> {
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R convert(Object obj);
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}
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package org.redisson.client.protocol;
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public class EmptyConvertor<R> implements Convertor<R> {
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@Override
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public R convert(Object obj) {
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return (R) obj;
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}
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}
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@ -1,47 +1,22 @@
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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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.client.protocol;
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import java.io.UnsupportedEncodingException;
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import java.util.List;
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import io.netty.buffer.ByteBuf;
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import io.netty.util.CharsetUtil;
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public class PubSubMessageDecoder implements Codec {
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public class PubSubMessageDecoder implements Decoder<Object> {
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@Override
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public String decode(ByteBuf buf) {
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public Object decode(ByteBuf buf) {
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String status = buf.toString(CharsetUtil.UTF_8);
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buf.skipBytes(2);
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return status;
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}
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@Override
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public PubSubMessage decode(List<Object> parts) {
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return new PubSubMessage(PubSubMessage.Type.valueOf(parts.get(0).toString().toUpperCase()), parts.get(1).toString());
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}
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@Override
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public byte[] encode(int paramIndex, Object in) {
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try {
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return in.toString().getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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throw new IllegalStateException(e);
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}
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public Object decode(List<Object> parts) {
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return new PubSubMessage(parts.get(1).toString(), parts.get(2).toString());
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}
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}
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@ -0,0 +1,33 @@
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package org.redisson.client.protocol;
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public class PubSubPatternMessage {
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private final String pattern;
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private final String channel;
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private final Object value;
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public PubSubPatternMessage(String pattern, String channel, Object value) {
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super();
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this.pattern = pattern;
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this.channel = channel;
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this.value = value;
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}
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public String getPattern() {
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return pattern;
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}
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public String getChannel() {
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return channel;
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}
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public Object getValue() {
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return value;
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}
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@Override
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public String toString() {
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return "PubSubPatternMessage [pattern=" + pattern + ", channel=" + channel + ", value=" + value + "]";
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}
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}
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@ -0,0 +1,22 @@
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package org.redisson.client.protocol;
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import java.util.List;
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import io.netty.buffer.ByteBuf;
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import io.netty.util.CharsetUtil;
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public class PubSubPatternMessageDecoder implements Decoder<Object> {
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@Override
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public Object decode(ByteBuf buf) {
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String status = buf.toString(CharsetUtil.UTF_8);
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buf.skipBytes(2);
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return status;
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}
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@Override
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public Object decode(List<Object> parts) {
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return new PubSubPatternMessage(parts.get(1).toString(), parts.get(2).toString(), parts.get(3));
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}
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}
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@ -0,0 +1,52 @@
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/**
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* Copyright 2014 Nikita Koksharov, Nickolay Borbit
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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.client.protocol;
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import java.io.UnsupportedEncodingException;
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import java.util.ArrayList;
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import java.util.List;
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import io.netty.buffer.ByteBuf;
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import io.netty.util.CharsetUtil;
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public class PubSubStatusDecoder implements Codec {
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@Override
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public String decode(ByteBuf buf) {
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String status = buf.toString(CharsetUtil.UTF_8);
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buf.skipBytes(2);
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return status;
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}
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@Override
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public PubSubStatusMessage decode(List<Object> parts) {
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List<String> channels = new ArrayList<String>();
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for (Object part : parts.subList(1, parts.size()-1)) {
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channels.add(part.toString());
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}
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return new PubSubStatusMessage(PubSubStatusMessage.Type.valueOf(parts.get(0).toString().toUpperCase()), channels);
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}
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@Override
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public byte[] encode(int paramIndex, Object in) {
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try {
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return in.toString().getBytes("UTF-8");
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} catch (UnsupportedEncodingException e) {
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throw new IllegalStateException(e);
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}
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}
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}
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@ -0,0 +1,31 @@
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package org.redisson.client.protocol;
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import java.util.List;
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public class PubSubStatusMessage {
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public enum Type {SUBSCRIBE, PSUBSCRIBE, PUNSUBSCRIBE, UNSUBSCRIBE}
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private final Type type;
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private final List<String> channels;
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public PubSubStatusMessage(Type type, List<String> channels) {
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super();
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this.type = type;
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this.channels = channels;
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}
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public List<String> getChannels() {
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return channels;
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}
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public Type getType() {
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return type;
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}
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@Override
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public String toString() {
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return "PubSubStatusMessage [type=" + type + ", channels=" + channels + "]";
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}
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}
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