Feature - RReliableTopic object added. #3131
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/**
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* Copyright (c) 2013-2020 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.reactive;
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import org.redisson.api.RFuture;
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import org.redisson.api.RReliableTopic;
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import reactor.core.publisher.Flux;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.atomic.AtomicReference;
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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 RedissonReliableTopicReactive {
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private final RReliableTopic topic;
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public RedissonReliableTopicReactive(RReliableTopic topic) {
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this.topic = topic;
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}
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public <M> Flux<M> getMessages(Class<M> type) {
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return Flux.<M>create(emitter -> {
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emitter.onRequest(n -> {
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AtomicLong counter = new AtomicLong(n);
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AtomicReference<String> idRef = new AtomicReference<>();
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RFuture<String> t = topic.addListenerAsync(type, (channel, msg) -> {
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emitter.next(msg);
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if (counter.decrementAndGet() == 0) {
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topic.removeListenerAsync(idRef.get());
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emitter.complete();
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}
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});
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t.onComplete((id, e) -> {
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if (e != null) {
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emitter.error(e);
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return;
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}
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idRef.set(id);
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emitter.onDispose(() -> {
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topic.removeListenerAsync(id);
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});
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});
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});
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});
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}
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}
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@ -0,0 +1,63 @@
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/**
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* Copyright (c) 2013-2020 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.rx;
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import io.reactivex.Flowable;
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import io.reactivex.processors.ReplayProcessor;
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import org.redisson.api.RFuture;
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import org.redisson.api.RReliableTopic;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.concurrent.atomic.AtomicReference;
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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 RedissonReliableTopicRx {
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private final RReliableTopic topic;
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public RedissonReliableTopicRx(RReliableTopic topic) {
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this.topic = topic;
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}
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public <M> Flowable<M> getMessages(Class<M> type) {
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ReplayProcessor<M> p = ReplayProcessor.create();
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return p.doOnRequest(n -> {
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AtomicLong counter = new AtomicLong(n);
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AtomicReference<String> idRef = new AtomicReference<>();
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RFuture<String> t = topic.addListenerAsync(type, (channel, msg) -> {
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p.onNext(msg);
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if (counter.decrementAndGet() == 0) {
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topic.removeListenerAsync(idRef.get());
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p.onComplete();
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}
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});
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t.onComplete((id, e) -> {
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if (e != null) {
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p.onError(e);
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return;
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}
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idRef.set(id);
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p.doOnCancel(() -> topic.removeListenerAsync(id));
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});
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});
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}
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}
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