diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BooleanReference.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BooleanReference.java | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BooleanReference.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BooleanReference.java deleted file mode 100644 index 895f566f5d..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/BooleanReference.java +++ /dev/null @@ -1,158 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2008, 2009 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; - -import java.io.Serializable; - -/** - * Provide a container for passing a flag that can be changed by the recipient. - * - * @see SynchronizedBoolean - */ -public class BooleanReference - implements Cloneable, Serializable -{ - /** Backing <code>boolean</code>. */ - private volatile boolean value; - - private static final long serialVersionUID = 1L; - - - // ********** constructors ********** - - /** - * Create a <code>boolean</code> reference with the specified initial value. - */ - public BooleanReference(boolean value) { - super(); - this.value = value; - } - - /** - * Create a <code>boolean</code> reference with an initial value of - * <code>false</code>. - */ - public BooleanReference() { - this(false); - } - - - // ********** accessors ********** - - /** - * Return the current <code>boolean</code> value. - */ - public boolean getValue() { - return this.value; - } - - /** - * Return whether the current <code>boolean</code> value is the specified - * value. - */ - public boolean is(boolean v) { - return this.value == v; - } - - /** - * Return whether the current <code>boolean</code> value is not the - * specified value. - */ - public boolean isNot(boolean v) { - return this.value != v; - } - - /** - * Return whether the current <code>boolean</code> value is - * <code>true</code>. - */ - public boolean isTrue() { - return this.value; - } - - /** - * Return whether the current <code>boolean</code> value is - * <code>false</code>. - */ - public boolean isFalse() { - return ! this.value; - } - - /** - * Set the <code>boolean</code> value. - * Return the previous value. - */ - public boolean setValue(boolean value) { - boolean old = this.value; - this.value = value; - return old; - } - - /** - * Set the <code>boolean</code> value to the NOT of its current value. - * Return the new value. - */ - public boolean flip() { - return this.value = ! this.value; - } - - /** - * Set the <code>boolean</code> value to the NOT of the specified value. - * Return the previous value. - */ - public boolean setNot(boolean v) { - return this.setValue( ! v); - } - - /** - * Set the <code>boolean</code> value to <code>true</code>. - * Return the previous value. - */ - public boolean setTrue() { - return this.setValue(true); - } - - /** - * Set the <code>boolean</code> value to <code>false</code>. - * Return the previous value. - */ - public boolean setFalse() { - return this.setValue(false); - } - - - // ********** standard methods ********** - - @Override - public Object clone() { - try { - return super.clone(); - } catch (CloneNotSupportedException ex) { - throw new InternalError(); - } - } - - @Override - public boolean equals(Object o) { - return (o instanceof BooleanReference) && - (this.value == ((BooleanReference) o).value); - } - - @Override - public int hashCode() { - return this.value ? 1 : 0; - } - - @Override - public String toString() { - return '[' + String.valueOf(this.value) + ']'; - } - -} |