VerboseElementCache.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core;

import java.text.NumberFormat;
import java.util.Date;

public class VerboseElementCache extends ElementCache {

	private Object beingAdded;

	private String name;

	public VerboseElementCache(int size, String name) {
		super(size);
		this.name= name;
	}

	protected boolean makeSpace(int space) {
		if (this.beingAdded == null)
			return super.makeSpace(space);
		String fillingRatio= toStringFillingRation(this.name);
		boolean result= super.makeSpace(space);
		String newFillingRatio= toStringFillingRation(this.name);
		if (!fillingRatio.equals(newFillingRatio)) {
			System.out.println(Thread.currentThread() + " " + new Date(System.currentTimeMillis()).toString()); //$NON-NLS-1$
			System.out.println(Thread.currentThread() + " MADE SPACE FOR " + fillingRatio + " (NOW " + NumberFormat.getInstance().format(fillingRatio()) + "% full)"); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
			System.out.println(Thread.currentThread() + " WHILE OPENING " + ((JavaElement)this.beingAdded).toStringWithAncestors()); //$NON-NLS-1$
			System.out.println();
		}
		return result;
	}

	public Object put(Object key, Object value) {
		try {
			if (this.beingAdded == null)
				this.beingAdded= key;
			return super.put(key, value);
		} finally {
			if (key.equals(this.beingAdded))
				this.beingAdded= null;
		}
	}

}