Thread pool added.

src/main/java/org/bench4q/agent/api/HomeController.java

@@ -80,7 +80,7 @@ public class HomeController {
 		scenario.getUserBehaviors()[2].getParameters()[0].setKey("time");
 		scenario.getUserBehaviors()[2].getParameters()[0].setValue("1000");
 
-		this.getScenarioEngine().runScenario(scenario);
+		this.getScenarioEngine().runScenario(scenario, 1000);
 		return "It works!";
 	}
 }

src/main/java/org/bench4q/agent/plugin/http/HttpPlugin.java

@@ -6,17 +6,16 @@ import org.bench4q.agent.plugin.Plugin;
 @Plugin("Http")
 public class HttpPlugin {
 	public HttpPlugin() {
-		System.out.println("Http Plugin init...");
+
 	}
 
 	@Behavior("Get")
 	public void get(String url, String content) {
-		System.out.println("HTTP GET, url=" + url + ", content=" + content);
+
 	}
 
 	@Behavior("Post")
 	public void post(String url, String content, int code) {
-		System.out.println("HTTP POST, url=" + url + ", content=" + content
-				+ ", code=" + code);
+
 	}
 }

src/main/java/org/bench4q/agent/plugin/timer/ConstantTimerPlugin.java

@@ -6,11 +6,11 @@ import org.bench4q.agent.plugin.Plugin;
 @Plugin("ConstantTimer")
 public class ConstantTimerPlugin {
 	public ConstantTimerPlugin(int time) {
-		System.out.println("Constant Plugin init... time=" + time);
+		
 	}
 
 	@Behavior("Sleep")
 	public void sleep(int time) {
-		System.out.println("Sleeping for " + time + "...");
+
 	}
 }

src/main/java/org/bench4q/agent/scenario/ScenarioEngine.java

@@ -1,7 +1,10 @@
 package org.bench4q.agent.scenario;
 
+import java.util.Date;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 import org.bench4q.agent.plugin.PluginManager;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -20,7 +23,28 @@ public class ScenarioEngine {
 		this.pluginManager = pluginManager;
 	}
 
+	public void runScenario(final Scenario scenario, int threadCount) {
+		System.out.println("Start at:" + new Date(System.currentTimeMillis()));
+		ExecutorService executorService = Executors
+				.newFixedThreadPool(threadCount);
+		int i;
+		Runnable runnable = new Runnable() {
+			public void run() {
+				doRunScenario(scenario);
+			}
+		};
+		for (i = 0; i < threadCount; i++) {
+			executorService.execute(runnable);
+		}
+		executorService.shutdown();
+		System.out.println("End at:" + new Date(System.currentTimeMillis()));
+	}
+
 	public void runScenario(Scenario scenario) {
+		this.doRunScenario(scenario);
+	}
+
+	private void doRunScenario(Scenario scenario) {
 		ScenarioContext scenarioContext = new ScenarioContext();
 		scenarioContext.setPlugins(new HashMap<String, Object>());
 		for (UsePlugin usePlugin : scenario.getUsePlugins()) {