org.aspectj.runtime.internal.cflowstack.ThreadStackFactoryImpl Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of aspectjweaver Show documentation

The AspectJ weaver introduces advices to java classes

There is a newer version: 1.9.22.1

/* *******************************************************************
 * Copyright (c) 2004 IBM Corporation
 *
 * All rights reserved.
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Public License v 2.0
 * which accompanies this distribution and is available at
 * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt
 *
 * Contributors:
 *    Andy Clement     initial implementation
 * ******************************************************************/
package org.aspectj.runtime.internal.cflowstack;

import java.util.Stack;

public class ThreadStackFactoryImpl implements ThreadStackFactory {

	private static class ThreadStackImpl extends ThreadLocal implements ThreadStack {
		public Stack initialValue() {
		  return new Stack();
		}
		public Stack getThreadStack() {
			return get();
		}
		public void removeThreadStack() {
			this.remove();
		}
	}

	public ThreadStack getNewThreadStack() {
		return new ThreadStackImpl();
	}

	private static class ThreadCounterImpl extends ThreadLocal implements ThreadCounter {

		public Counter initialValue() {
		  return new Counter();
		}
		public Counter getThreadCounter() {
			return get();
		}

		public void removeThreadCounter() {
			this.remove();
		}

		public void inc() { getThreadCounter().value++; }
		public void dec() { getThreadCounter().value--; }
		public boolean isNotZero() { return getThreadCounter().value!= 0; }

		static class Counter {
		  protected int value = 0;
		}
	}

	public ThreadCounter getNewThreadCounter() {
		return new ThreadCounterImpl();
	}

}