001    /**
002     * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.cluster;
016    
017    import com.liferay.portal.kernel.process.ProcessCallable;
018    import com.liferay.portal.kernel.process.ProcessException;
019    import com.liferay.portal.kernel.util.MethodHandler;
020    
021    import java.io.Serializable;
022    
023    /**
024     * @author Shuyang Zhou
025     */
026    public class MethodHandlerProcessCallable<T extends Serializable>
027            implements ProcessCallable<T> {
028    
029            public MethodHandlerProcessCallable(MethodHandler methodHandler) {
030                    _methodHandler = methodHandler;
031            }
032    
033            @Override
034            public T call() throws ProcessException {
035                    try {
036                            return (T)_methodHandler.invoke(false);
037                    }
038                    catch (Exception e) {
039                            throw new ProcessException(e);
040                    }
041            }
042    
043            private static final long serialVersionUID = 1L;
044    
045            private MethodHandler _methodHandler;
046    
047    }