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Spring Framework example source code file (XAPoolNativeJdbcExtractor.java)
The Spring Framework XAPoolNativeJdbcExtractor.java source code/* * Copyright 2002-2007 the original author or authors. * * 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.springframework.jdbc.support.nativejdbc; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.SQLException; import org.enhydra.jdbc.core.CoreConnection; import org.enhydra.jdbc.core.CorePreparedStatement; /** * Implementation of the {@link NativeJdbcExtractor} interface for * ObjectWeb's XAPool, as shipped with JOTM and used in JOnAS. * * <p>Returns underlying native Connections and native PreparedStatements to * application code instead of XAPool's wrapper implementations; unwraps the * Connection for native Statements and native CallableStatements. * The returned JDBC classes can then safely be cast, e.g. to * <code>oracle.jdbc.OracleConnection. * * <p>This NativeJdbcExtractor can be set just to allow working with * an XAPool DataSource: If a given object is not an XAPool wrapper, it will * be returned as-is. * * @author Juergen Hoeller * @since 06.02.2004 */ public class XAPoolNativeJdbcExtractor extends NativeJdbcExtractorAdapter { /** * Return <code>true, as CoreStatement does not allow access to the * underlying Connection. */ public boolean isNativeConnectionNecessaryForNativeStatements() { return true; } /** * Return <code>true, as CoreCallableStatement does not allow access to the * underlying Connection. */ public boolean isNativeConnectionNecessaryForNativeCallableStatements() { return true; } protected Connection doGetNativeConnection(Connection con) throws SQLException { if (con instanceof CoreConnection) { return ((CoreConnection) con).con; } return con; } public PreparedStatement getNativePreparedStatement(PreparedStatement ps) throws SQLException { if (ps instanceof CorePreparedStatement) { return ((CorePreparedStatement) ps).ps; } return ps; } } Other Spring Framework examples (source code examples)Here is a short list of links related to this Spring Framework XAPoolNativeJdbcExtractor.java source code file: |
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