X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/util/PerThreadObject.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/util/PerThreadObject.java
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+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/core/util/PerThreadObject.java
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+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.core.util;
+
+import java.util.Hashtable;
+
+/**
+ * Implementation of data structure remembering an Object value by thread. Its purpose is to ease
+ * writing multi-threaded algorithms by providing a per thread data structure.
+ */
+public class PerThreadObject {
+
+	private Hashtable internalMap = new Hashtable(3); // synchronized map
+	
+	/**
+	 * Answer the current map for this thread
+	 */
+	public Object getCurrent(){
+		return this.internalMap.get(Thread.currentThread());
+	}
+	
+	/**
+	 * Set the map for this current thread - setting to null is equivalent to removing it
+	 */
+	public void setCurrent(Object current){
+		if (current == null){
+			this.internalMap.remove(Thread.currentThread());			
+		} else {
+			this.internalMap.put(Thread.currentThread(), current);
+		}
+	}
+}
+