NullSingleConsole.java

/* 
 * 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 org.ngrinder.perftest.model;

import net.grinder.SingleConsole;
import net.grinder.console.model.ConsoleCommunicationSetting;
import net.grinder.console.model.ConsoleProperties;

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

/**
 * Null Object for {@link SingleConsole}.
 *
 * This class is to ignore the default {@link SingleConsole} behavior.
 *
 * @author JunHo Yoon
 * @since 3.0
 */
public class NullSingleConsole extends SingleConsole {

	private static final Map<String, Object> EMPTY_RESULT = new HashMap<String, Object>(1);

	static {
		EMPTY_RESULT.put("test_time", 0);
	}

	@Override
	protected void init(String ip, int port, ConsoleCommunicationSetting consoleCommunicationSetting,
						ConsoleProperties consoleProperties) {

	}

	/**
	 * Constructor.
	 */
	public NullSingleConsole() {
		super(0);
	}

	@Override
	public long getCurrentRunningTime() {
		return Long.MAX_VALUE;
	}

	@Override
	public long getCurrentExecutionCount() {
		return Long.MAX_VALUE;
	}

	@Override
	public boolean hasTooManyError() {
		return true;
	}

	@Override
	public void unregisterSampling() {
		// Do nothing
	}


	@Override
	public void sendStopMessageToAgents() {
		// Do nothing
	}

	@Override
	public void shutdown() {
		// Do nothing
	}

	@Override
	public void waitUntilAgentConnected(int size) {
		// Do nothing
	}

	@Override
	public void start() {
		// Do nothing
	}

	@Override
	public int getConsolePort() {
		return 0;
	}

	@Override
	public Map<String, Object> getStatisticsData() {
		if (getCurrentRunningTime() > 0) {
			return super.getStatisticsData();
		} else {
			return getNullStatisticsData();
		}
	}

	protected Map<String, Object> getNullStatisticsData() {
		return EMPTY_RESULT;
	}

}