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/*******************************************************************************
* Copyright (c) 2013 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0, which accompanies this distribution
* and is available at https://www.eclipse.org/legal/epl-2.0/.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.common.utility.internal.factory;
import org.eclipse.jpt.common.utility.command.Command;
import org.eclipse.jpt.common.utility.factory.Factory;
import org.eclipse.jpt.common.utility.internal.ObjectTools;
/**
* Adapt a {@link Command} to the {@link Factory} interface.
* The factory always returns <code>null</code>.
*
* @param <T> the type of the object returned by the factory
*
* @see org.eclipse.jpt.common.utility.internal.command.FactoryCommand
*/
public class CommandFactory<T>
implements Factory<T>
{
private final Command command;
public CommandFactory(Command command) {
super();
if (command == null) {
throw new NullPointerException();
}
this.command = command;
}
public T create() {
this.command.execute();
return null;
}
@Override
public String toString() {
return ObjectTools.toString(this, this.command);
}
}
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