e94de0d535
Restructuring the samples repository Add more docker support Add acceptance tests for the apps Adding sensor average processor sample Remove aggregate samples
95 lines
2.8 KiB
Java
95 lines
2.8 KiB
Java
/*
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* Copyright 2015 the original author or authors.
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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 multibinder;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.springframework.cloud.stream.annotation.EnableBinding;
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import org.springframework.cloud.stream.annotation.Input;
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import org.springframework.cloud.stream.annotation.Output;
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import org.springframework.cloud.stream.annotation.StreamListener;
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import org.springframework.cloud.stream.messaging.Processor;
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import org.springframework.context.annotation.Bean;
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import org.springframework.integration.annotation.InboundChannelAdapter;
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import org.springframework.integration.annotation.Poller;
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import org.springframework.integration.core.MessageSource;
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import org.springframework.messaging.MessageChannel;
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import org.springframework.messaging.SubscribableChannel;
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import org.springframework.messaging.handler.annotation.SendTo;
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import org.springframework.messaging.support.GenericMessage;
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import java.util.concurrent.atomic.AtomicBoolean;
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/**
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* @author Marius Bogoevici
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* @author Soby Chacko
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*/
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@EnableBinding(Processor.class)
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public class BridgeTransformer {
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@StreamListener(Processor.INPUT)
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@SendTo(Processor.OUTPUT)
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public Object transform(Object payload) {
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return payload;
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}
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//Following source is used as test producer.
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@EnableBinding(TestSource.class)
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static class TestProducer {
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private AtomicBoolean semaphore = new AtomicBoolean(true);
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@Bean
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@InboundChannelAdapter(channel = TestSource.OUTPUT, poller = @Poller(fixedDelay = "1000"))
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public MessageSource<String> sendTestData() {
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return () ->
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new GenericMessage<>(this.semaphore.getAndSet(!this.semaphore.get()) ? "foo" : "bar");
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}
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}
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//Following sink is used as test consumer for the above processor. It logs the data received through the processor.
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@EnableBinding(TestSink.class)
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static class TestConsumer {
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private final Log logger = LogFactory.getLog(getClass());
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@StreamListener(TestSink.INPUT)
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public void receive(String data) {
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logger.info("Data received..." + data);
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}
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}
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interface TestSink {
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String INPUT = "input1";
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@Input(INPUT)
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SubscribableChannel input1();
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}
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interface TestSource {
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String OUTPUT = "output1";
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@Output(TestSource.OUTPUT)
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MessageChannel output();
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}
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}
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