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}