diff options
Diffstat (limited to 'plugins/org.eclipse.jem.proxy/vm_remotevm/org/eclipse/jem/internal/proxy/vm/remote/IdentityMap.java')
-rw-r--r-- | plugins/org.eclipse.jem.proxy/vm_remotevm/org/eclipse/jem/internal/proxy/vm/remote/IdentityMap.java | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/plugins/org.eclipse.jem.proxy/vm_remotevm/org/eclipse/jem/internal/proxy/vm/remote/IdentityMap.java b/plugins/org.eclipse.jem.proxy/vm_remotevm/org/eclipse/jem/internal/proxy/vm/remote/IdentityMap.java deleted file mode 100644 index b0583e738..000000000 --- a/plugins/org.eclipse.jem.proxy/vm_remotevm/org/eclipse/jem/internal/proxy/vm/remote/IdentityMap.java +++ /dev/null @@ -1,96 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2005 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.jem.internal.proxy.vm.remote; -/* - * $RCSfile: IdentityMap.java,v $ - * $Revision: 1.4 $ $Date: 2005/08/24 20:39:08 $ - */ - - -import java.util.*; -/** - * A HashMap where the key is - * done as an identity (i.e. found by '==' not equals()). - */ - -public class IdentityMap extends HashMap{ - - /** - * Comment for <code>serialVersionUID</code> - * - * @since 1.1.0 - */ - private static final long serialVersionUID = -6817274833221383683L; - - /** - * Key that returns true on equals() only - * if the item it is wrappering is '==' - * not equals() - */ - static class IdentityKey { - - public static IdentityKey createKey(Object obj) { - return obj != null ? new IdentityKey(obj) : null; - } - - final Object o; - - public IdentityKey(Object obj) { - o = obj; - } - - public boolean equals(Object obj) { - if (this == obj) return true; - if (!(obj instanceof IdentityKey)) return false; - if (this.o == (((IdentityKey) obj).o)) return true; - return false; - } - - public int hashCode() { - return o.hashCode(); - } - } - - public IdentityMap() { - } - - public IdentityMap(int capacity) { - super(capacity); - } - - public IdentityMap(int capacity, float loadFactor) { - super(capacity, loadFactor); - } - - public boolean containsKey(Object key) { - return super.containsKey(IdentityKey.createKey(key)); - } - - public Object get(Object key) { - return super.get(IdentityKey.createKey(key)); - } - - public Object put(Object key, Object value) { - return super.put(IdentityKey.createKey(key), value); - } - - public Object remove(Object key) { - return super.remove(IdentityKey.createKey(key)); - } - - /** - * NOTE: Didn't bother implementing entrySet(). If that becomes - * needed, then it will be implemented. - */ - public Set entrySet() { - throw new UnsupportedOperationException(); - } -} |