org.databene.commons.operation.FirstArgSelector Maven / Gradle / Ivy

Go to download
/*
 * Copyright (C) 2004-2014 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.databene.commons.operation;

import org.databene.commons.Operation;

/**
 * Returns the first argument as the operation result.
 * Created: 03.08.2007 07:17:31
 * @author Volker Bergmann
 */
public class FirstArgSelector implements Operation {

    @Override
	public E perform(E ... args) {
        return (args.length > 0 ? args[0] : null);
    }
}