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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Command.java')
-rw-r--r--jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Command.java66
1 files changed, 0 insertions, 66 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Command.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Command.java
deleted file mode 100644
index ffabf124af..0000000000
--- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/Command.java
+++ /dev/null
@@ -1,66 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2007, 2008 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;
-
-/**
- * Simple interface for implementing the GOF Command design pattern.
- *
- * Provisional API: This interface is part of an interim API that is still
- * under development and expected to change significantly before reaching
- * stability. It is available at this early stage to solicit feedback from
- * pioneering adopters on the understanding that any code that uses this API
- * will almost certainly be broken (repeatedly) as the API evolves.
- */
-public interface Command {
-
- /**
- * Execute the command. The semantics of the command
- * is determined by the contract between the client and server.
- */
- void execute();
-
- final class Null implements Command {
- public static final Command INSTANCE = new Null();
- public static Command instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Null() {
- super();
- }
- public void execute() {
- // do nothing
- }
- @Override
- public String toString() {
- return "Command.Null";
- }
- }
-
- final class Disabled implements Command {
- public static final Command INSTANCE = new Disabled();
- public static Command instance() {
- return INSTANCE;
- }
- // ensure single instance
- private Disabled() {
- super();
- }
- // throw an exception
- public void execute() {
- throw new UnsupportedOperationException();
- }
- @Override
- public String toString() {
- return "Command.Disabled";
- }
- }
-
-}

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