sample.TickTock.java Source code

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Here is the source code for sample.TickTock.java

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/*
 * Copyright 2016-2017 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 sample;

import java.util.HashMap;
import java.util.Map;

import org.springframework.cloud.deployer.resource.maven.MavenResource;
import org.springframework.cloud.deployer.spi.app.AppDeployer;
import org.springframework.cloud.deployer.spi.core.AppDefinition;
import org.springframework.cloud.deployer.spi.core.AppDeploymentRequest;
import org.springframework.cloud.deployer.spi.local.LocalAppDeployer;
import org.springframework.cloud.deployer.spi.local.LocalDeployerProperties;

/**
 * @author Mark Fisher
 * @author Oleg Zhurakousky
 */
public class TickTock {

    public static void main(String[] args) throws InterruptedException {
        LocalAppDeployer deployer = new LocalAppDeployer(new LocalDeployerProperties());
        String logId = deployer.deploy(createAppDeploymentRequest("log-sink-kafka", "ticktock"));
        String timeId = deployer.deploy(createAppDeploymentRequest("time-source-kafka", "ticktock"));
        for (int i = 0; i < 12; i++) {
            Thread.sleep(5 * 1000);
            System.out.println("time: " + deployer.status(timeId));
            System.out.println("log:  " + deployer.status(logId));
        }
        deployer.undeploy(timeId);
        deployer.undeploy(logId);
        System.out.println("time after undeploy: " + deployer.status(timeId));
        System.out.println("log after undeploy:  " + deployer.status(logId));
    }

    private static AppDeploymentRequest createAppDeploymentRequest(String app, String stream) {
        MavenResource resource = new MavenResource.Builder().artifactId(app)
                .groupId("org.springframework.cloud.stream.app").version("1.0.0.BUILD-SNAPSHOT").build();
        Map<String, String> properties = new HashMap<>();
        properties.put("server.port", "0");
        if (app.contains("-source-")) {
            properties.put("spring.cloud.stream.bindings.output.destination", stream);
        } else {
            properties.put("spring.cloud.stream.bindings.input.destination", stream);
            properties.put("spring.cloud.stream.bindings.input.group", "default");
        }
        AppDefinition definition = new AppDefinition(app, properties);
        Map<String, String> deploymentProperties = new HashMap<>();
        deploymentProperties.put(AppDeployer.GROUP_PROPERTY_KEY, stream);
        /*
         * This will allow output to be logged to the output of the process that started
         * the application.
         */
        deploymentProperties.put(LocalDeployerProperties.INHERIT_LOGGING, "true");
        AppDeploymentRequest request = new AppDeploymentRequest(definition, resource, deploymentProperties);
        return request;
    }
}