| /** |
| * 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.sqoop.mapreduce; |
| |
| import java.io.IOException; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.mapreduce.InputFormat; |
| import org.apache.hadoop.mapreduce.Job; |
| import org.apache.hadoop.mapreduce.Mapper; |
| import org.apache.hadoop.mapreduce.OutputFormat; |
| import org.apache.sqoop.mapreduce.db.DBConfiguration; |
| import org.apache.sqoop.mapreduce.db.DBOutputFormat; |
| |
| import org.apache.sqoop.manager.ConnManager; |
| import org.apache.sqoop.manager.ExportJobContext; |
| import com.google.common.base.Strings; |
| |
| /** |
| * Run an export using JDBC (JDBC-based ExportCallOutputFormat) to |
| * call the stored procedure. |
| */ |
| public class JdbcCallExportJob extends JdbcExportJob { |
| public static final String SQOOP_EXPORT_CALL_KEY = "sqoop.export.call"; |
| |
| public static final Log LOG = LogFactory.getLog( |
| JdbcCallExportJob.class.getName()); |
| |
| public JdbcCallExportJob(final ExportJobContext context) { |
| super(context, null, null, ExportCallOutputFormat.class); |
| } |
| |
| public JdbcCallExportJob(final ExportJobContext ctxt, |
| final Class<? extends Mapper> mapperClass, |
| final Class<? extends InputFormat> inputFormatClass, |
| final Class<? extends OutputFormat> outputFormatClass) { |
| super(ctxt, mapperClass, inputFormatClass, outputFormatClass); |
| } |
| |
| /** |
| * makes sure the job knows what stored procedure to call. |
| */ |
| @Override |
| protected void propagateOptionsToJob(Job job) { |
| super.propagateOptionsToJob(job); |
| job.getConfiguration().set(SQOOP_EXPORT_CALL_KEY, options.getCall()); |
| } |
| |
| @Override |
| protected void configureOutputFormat(Job job, String tableName, |
| String tableClassName) throws IOException { |
| String procedureName = job.getConfiguration().get(SQOOP_EXPORT_CALL_KEY); |
| |
| ConnManager mgr = context.getConnManager(); |
| try { |
| if (Strings.isNullOrEmpty(options.getUsername())) { |
| DBConfiguration.configureDB(job.getConfiguration(), |
| mgr.getDriverClass(), |
| options.getConnectString(), |
| options.getConnectionParams()); |
| } else { |
| DBConfiguration.configureDB(job.getConfiguration(), |
| mgr.getDriverClass(), |
| options.getConnectString(), |
| options.getUsername(), |
| options.getPassword(), |
| options.getConnectionParams()); |
| } |
| |
| String [] colNames = options.getColumns(); |
| if (null == colNames) { |
| colNames = mgr.getColumnNamesForProcedure(procedureName); |
| } |
| DBOutputFormat.setOutput( |
| job, |
| mgr.escapeTableName(procedureName), |
| mgr.escapeColNames(colNames)); |
| |
| job.setOutputFormatClass(getOutputFormatClass()); |
| job.getConfiguration().set(SQOOP_EXPORT_TABLE_CLASS_KEY, tableClassName); |
| } catch (ClassNotFoundException cnfe) { |
| throw new IOException("Could not load OutputFormat", cnfe); |
| } |
| } |
| |
| } |
| |