Java tutorial
/* * Copyright: Almende B.V. (2014), Rotterdam, The Netherlands * License: The Apache Software License, Version 2.0 */ package com.almende.eve.test; import java.io.IOException; import java.lang.ref.WeakReference; import java.net.URI; import junit.framework.TestCase; import org.junit.Test; import com.almende.eve.agent.Agent; import com.almende.eve.agent.AgentConfig; import com.almende.eve.agent.MyAgent; import com.almende.eve.instantiation.InstantiationServiceConfig; import com.almende.eve.state.file.FileStateConfig; import com.almende.eve.transport.http.DebugServlet; import com.almende.eve.transport.http.HttpTransportConfig; import com.almende.util.callback.AsyncCallback; import com.almende.util.jackson.JOM; import com.fasterxml.jackson.databind.node.ObjectNode; /** * The Class TestWake. */ public class TestWake extends TestCase { final Ret called = new Ret(); class Ret { boolean value = false; } /** * Test wake example. */ @Test public void testWake() { final AgentConfig config = new AgentConfig("testWakeAgent"); // First we need to setup the WakeService: (Either keep a global pointer // to the wake service, or obtain it again through the same // configuration) final InstantiationServiceConfig isConfig = new InstantiationServiceConfig(); final FileStateConfig stateconfig = new FileStateConfig(); stateconfig.setPath(".wakeservices"); stateconfig.setId("testWakeService"); isConfig.setState(stateconfig); config.setInstantiationService(isConfig); final HttpTransportConfig transConfig = new HttpTransportConfig(); transConfig.setServletUrl("http://localhost:8080/agents/"); transConfig.setServletLauncher("JettyLauncher"); transConfig.setServletClass(DebugServlet.class.getName()); final ObjectNode jettyParms = JOM.createObjectNode(); jettyParms.put("port", 8080); transConfig.set("jetty", jettyParms); config.addTransport(transConfig); // Now create a WakeAble Agent WeakReference<Agent> test = new WeakReference<Agent>(new MyAgent(config)); // after a while the agent is unloaded: System.gc(); System.gc(); try { Thread.sleep(1000); } catch (final InterruptedException e) { e.printStackTrace(); } System.gc(); System.gc(); // By now the agent should be unloaded: assertNull(test.get()); // Now some other agent calls the agent: new Agent("other", null) { public void test() { try { call(URI.create("local:testWakeAgent"), "helloWorld", null, new AsyncCallback<String>() { @Override public void onSuccess(String result) { called.value = true; } @Override public void onFailure(Exception exception) { fail(); } }); } catch (IOException e) { e.printStackTrace(); } } }.test(); // Give the async call time to reach the agent (and wake the agent in // the proces); try { Thread.sleep(1000); } catch (final InterruptedException e) { e.printStackTrace(); } assertTrue(called.value); } }