BaseInitContext.java

/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * 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
 *******************************************************************************/
package org.ebayopensource.turmeric.runtime.common.impl.service;

import org.ebayopensource.turmeric.runtime.common.service.ServiceId;

/**
 * @author ichernyshev
 */
public abstract class BaseInitContext {
	private final ServiceId m_svcId;
	private boolean m_dead;

	public BaseInitContext(ServiceId svcId) {
		if (svcId == null) {
			throw new NullPointerException();
		}

		m_svcId = svcId;
	}

	public ServiceId getServiceId() {
		checkAlive();
		return m_svcId;
	}

	protected final void checkAlive() {
		if (m_dead) {
			throw new IllegalStateException(this.getClass().getSimpleName() +
				" has been destroyed, make sure not to use InitContext objects " +
				"after initialization has completed");
		}
	}

	public void kill() {
		m_dead = true;
	}
}