diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/FlaggedObjectReference.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/FlaggedObjectReference.java | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/FlaggedObjectReference.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/FlaggedObjectReference.java deleted file mode 100644 index c3b9f20f71..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/FlaggedObjectReference.java +++ /dev/null @@ -1,69 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2010 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal; - -/** - * Provide a container for passing an object that can be changed by the - * recipient. If the value is set at any time after construction of the - * reference, the reference is marked "set". This allows the client to - * detect whether the server/recipient ever set the value, even if it remains - * unchanged. This is particularly useful when the value can be set to - * <code>null</code>. - * <p> - * The reference can be set multiple times, but it can - * never be "unset" once it is "set". - */ -public class FlaggedObjectReference<V> - extends SimpleObjectReference<V> -{ - private volatile boolean set = false; - - private static final long serialVersionUID = 1L; - - - // ********** constructors ********** - - /** - * Create an object reference with the specified initial value. - */ - public FlaggedObjectReference(V value) { - super(value); - } - - /** - * Create an object reference with an initial value of - * <code>null</code>. - */ - public FlaggedObjectReference() { - super(); - } - - - // ********** set ********** - - public boolean isSet() { - return this.set; - } - - - // ********** overrides ********** - - @Override - public V setValue(V value) { - this.set = true; - return super.setValue(value); - } - - @Override - public String toString() { - String s = super.toString(); - return (this.set) ? '*' + s : s; - } -} |