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/*
 * 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;

/**
 * Combines boolean arguments with an 'and' condition ignoring null arguments. 
 * If the number of arguments is zero, true is returned.
 * Created: 05.03.2008 07:56:59
 * @since 0.4.0
 * @author Volker Bergmann
 */
public class OrOperation implements Operation {

    @Override
	public Boolean perform(Boolean... args) {
        for (Boolean arg : args)
            if (arg != null && !arg)
                return Boolean.FALSE;
        return Boolean.TRUE;
    }

}