diff options
Diffstat (limited to 'common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/command/ExtendedCommandExecutor.java')
-rw-r--r-- | common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/command/ExtendedCommandExecutor.java | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/command/ExtendedCommandExecutor.java b/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/command/ExtendedCommandExecutor.java deleted file mode 100644 index fabb5c5d05..0000000000 --- a/common/plugins/org.eclipse.jpt.common.utility/src/org/eclipse/jpt/common/utility/command/ExtendedCommandExecutor.java +++ /dev/null @@ -1,126 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2012 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.common.utility.command; - -import java.io.Serializable; -import org.eclipse.jpt.common.utility.internal.StringTools; - -/** - * This interface extends the normal command executor; it allows the client - * to specify when a command <em>must</em> be executed synchronously. - * <p> - * 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 ExtendedCommandExecutor - extends CommandExecutor -{ - /** - * Suspend the current thread until the specified command is executed. - * The command itself must be executed <em>after</em> any other commands - * previously passed to the command executor (at least when passed - * from clients executing on the same thread). - * @see #execute(Command) - */ - void waitToExecute(Command command) throws InterruptedException; - - /** - * Suspend the current thread until the specified command is executed - * or the specified time-out occurs. - * The time-out is specified in milliseconds. Return <code>true</code> if - * the command was executed in the allotted time; - * return <code>false</code> if a time-out occurred and the command was - * <em>not</em> executed. - * If the time-out is zero, wait indefinitely. - * <p> - * The command itself must be executed <em>after</em> any other commands - * previously passed to the command executor (at least when passed - * from clients executing on the same thread). - * @see #execute(Command) - */ - boolean waitToExecute(Command command, long timeout) throws InterruptedException; - - - /** - * Singleton implementation of the command executor interface - * that simply executes the command without any sort of enhancement. - */ - final class Default - implements ExtendedCommandExecutor, Serializable - { - public static final ExtendedCommandExecutor INSTANCE = new Default(); - public static ExtendedCommandExecutor instance() { - return INSTANCE; - } - // ensure single instance - private Default() { - super(); - } - public void execute(Command command) { - command.execute(); - } - public void waitToExecute(Command command) { - command.execute(); - } - public boolean waitToExecute(Command command, long timeout) { - command.execute(); - return true; - } - @Override - public String toString() { - return StringTools.buildSingletonToString(this); - } - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - } - - - /** - * Singleton implementation of the command executor interface - * that ignores any commands. - */ - final class Inactive - implements ExtendedCommandExecutor, Serializable - { - public static final ExtendedCommandExecutor INSTANCE = new Inactive(); - public static ExtendedCommandExecutor instance() { - return INSTANCE; - } - // ensure single instance - private Inactive() { - super(); - } - public void execute(Command command) { - // do nothing - } - public void waitToExecute(Command command) { - // do nothing - } - public boolean waitToExecute(Command command, long timeout) { - // do nothing - return true; - } - @Override - public String toString() { - return StringTools.buildSingletonToString(this); - } - private static final long serialVersionUID = 1L; - private Object readResolve() { - // replace this object with the singleton - return INSTANCE; - } - } -} |