001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (c) 2004-2009 Paul Ferraro
004 * 
005 * This library is free software; you can redistribute it and/or modify it 
006 * under the terms of the GNU Lesser General Public License as published by the 
007 * Free Software Foundation; either version 2.1 of the License, or (at your 
008 * option) any later version.
009 * 
010 * This library is distributed in the hope that it will be useful, but WITHOUT
011 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
012 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
013 * for more details.
014 * 
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this library; if not, write to the Free Software Foundation, 
017 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018 * 
019 * Contact: ferraro@users.sourceforge.net
020 */
021package net.sf.hajdbc.sql;
022
023import java.lang.reflect.Method;
024import java.sql.Array;
025import java.util.Map;
026import java.util.Set;
027
028import net.sf.hajdbc.Database;
029import net.sf.hajdbc.util.reflect.Methods;
030
031/**
032 * @author Paul Ferraro
033 *
034 */
035public class ArrayInvocationHandler<D, P> extends LocatorInvocationHandler<D, P, Array>
036{
037        private static final Set<Method> driverReadMethodSet = Methods.findMethods(Array.class, "getBaseType", "getBaseTypeName");
038        private static final Set<Method> databaseReadMethodSet = Methods.findMethods(Array.class, "getArray", "getResultSet");
039        
040        /**
041         * @param parent
042         * @param proxy
043         * @param invoker
044         * @param objectMap
045         * @throws Exception
046         */
047        public ArrayInvocationHandler(P parent, SQLProxy<D, P> proxy, Invoker<D, P, Array> invoker, Map<Database<D>, Array> objectMap) throws Exception
048        {
049                super(parent, proxy, invoker, Array.class, objectMap);
050        }
051
052        /**
053         * {@inheritDoc}
054         * @see net.sf.hajdbc.sql.LocatorInvocationHandler#getInvocationStrategy(java.lang.Object, java.lang.reflect.Method, java.lang.Object[])
055         */
056        @Override
057        protected InvocationStrategy<D, Array, ?> getInvocationStrategy(Array object, Method method, Object[] parameters) throws Exception
058        {
059                if (driverReadMethodSet.contains(method))
060                {
061                        return new DriverReadInvocationStrategy<D, Array, Object>();
062                }
063                
064                return super.getInvocationStrategy(object, method, parameters);
065        }
066
067        /**
068         * @see net.sf.hajdbc.sql.LocatorInvocationHandler#getDatabaseReadMethodSet()
069         */
070        @Override
071        protected Set<Method> getDatabaseReadMethodSet()
072        {
073                return databaseReadMethodSet;
074        }
075}