| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.metamodel.jdbc; |
| |
| import java.sql.PreparedStatement; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| |
| import org.apache.metamodel.UpdateCallback; |
| import org.apache.metamodel.util.FileHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Jdbc {@link UpdateCallback} for databases that support the JDBC Batch |
| * features. |
| * |
| * @author Kasper Sørensen |
| */ |
| final class JdbcBatchUpdateCallback extends JdbcUpdateCallback { |
| |
| private static final Logger logger = LoggerFactory.getLogger(JdbcBatchUpdateCallback.class); |
| |
| public JdbcBatchUpdateCallback(JdbcDataContext dataContext) { |
| super(dataContext); |
| } |
| |
| @Override |
| protected void closePreparedStatement(PreparedStatement preparedStatement) { |
| try { |
| int[] results = preparedStatement.executeBatch(); |
| if (logger.isDebugEnabled()) { |
| for (int i = 0; i < results.length; i++) { |
| int result = results[i]; |
| final String resultString; |
| switch (result) { |
| case Statement.SUCCESS_NO_INFO: |
| resultString = "SUCCESS_NO_INFO"; |
| break; |
| case Statement.EXECUTE_FAILED: |
| resultString = "EXECUTE_FAILED"; |
| break; |
| default: |
| resultString = result + " rows updated"; |
| } |
| logger.debug("batch execute result[" + i + "]:" + resultString); |
| } |
| } |
| } catch (SQLException e) { |
| throw JdbcUtils.wrapException(e, "execute batch: " + preparedStatement); |
| } finally { |
| FileHelper.safeClose(preparedStatement); |
| } |
| } |
| |
| @Override |
| protected void executePreparedStatement(PreparedStatement st) throws SQLException { |
| st.addBatch(); |
| } |
| } |