001/*
002 * HA-JDBC: High-Availability JDBC
003 * Copyright (C) 2012  Paul Ferraro
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Lesser General Public License as published by
007 * the Free Software Foundation, either version 3 of the License, or
008 * (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Lesser General Public License for more details.
014 *
015 * You should have received a copy of the GNU Lesser General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018package net.sf.hajdbc.sql;
019
020import java.lang.reflect.Method;
021import java.sql.Array;
022import java.sql.SQLException;
023import java.util.Collections;
024import java.util.Set;
025
026import net.sf.hajdbc.Database;
027import net.sf.hajdbc.invocation.InvocationStrategies;
028import net.sf.hajdbc.invocation.InvocationStrategy;
029import net.sf.hajdbc.util.reflect.Methods;
030
031/**
032 * @author paul
033 *
034 */
035public class ArrayInvocationHandler<Z, D extends Database<Z>, P> extends LocatorInvocationHandler<Z, D, P, Array, ArrayProxyFactory<Z, D, P>>
036{
037        private static final Set<Method> DRIVER_READ_METHODS = Methods.findMethods(Array.class, "getBaseType", "getBaseTypeName");
038        private static final Set<Method> READ_METHODS = Methods.findMethods(Array.class, "getArray", "getResultSet");
039        private static final Set<Method> WRITE_METHODS = Collections.emptySet();
040        
041        protected ArrayInvocationHandler(ArrayProxyFactory<Z, D, P> proxyFactory)
042        {
043                super(Array.class, proxyFactory, READ_METHODS, WRITE_METHODS);
044        }
045
046        /**
047         * {@inheritDoc}
048         * @see net.sf.hajdbc.sql.LocatorInvocationHandler#getInvocationStrategy(java.lang.Object, java.lang.reflect.Method, java.lang.Object[])
049         */
050        @Override
051        protected InvocationStrategy getInvocationStrategy(Array array, Method method, Object... parameters) throws SQLException
052        {
053                if (DRIVER_READ_METHODS.contains(method))
054                {
055                        return InvocationStrategies.INVOKE_ON_ANY;
056                }
057                
058                return super.getInvocationStrategy(array, method, parameters);
059        }
060}