Java tutorial
/* * Copyright 2016 the original author or authors. * * 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 cn.com.sina.alan.demo; import org.springframework.cloud.stream.annotation.EnableBinding; import org.springframework.cloud.stream.annotation.Output; import org.springframework.context.annotation.Bean; import org.springframework.integration.annotation.InboundChannelAdapter; import org.springframework.integration.annotation.Poller; import org.springframework.integration.core.MessageSource; import org.springframework.messaging.Message; import org.springframework.messaging.MessageChannel; import org.springframework.messaging.support.GenericMessage; /** * @author Ilayaperumal Gopinathan */ @EnableBinding(SampleSource.Source.class) public class SampleSource { @Bean @InboundChannelAdapter(value = Source.SAMPLE, poller = @Poller(fixedDelay = "1000", maxMessagesPerPoll = "1")) public MessageSource<String> timerMessageSource() { return new MessageSource<String>() { public Message<String> receive() { System.out.println("******************"); System.out.println("At the Source"); System.out.println("******************"); Converters.Foo foo = new Converters.Foo(); foo.setValue("hi"); System.out.println("Sending value: " + foo.getValue() + " of type " + foo.getClass()); return new GenericMessage(foo); } }; } public interface Source { String SAMPLE = "output"; @Output("output") MessageChannel sampleSource(); } }