content: /**
   * 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.hive.service.cli.operation;
  
  import java.sql.SQLException;
  import java.util.HashMap;
  import java.util.Map;
  
  import org.apache.hadoop.hive.ql.processors.CommandProcessor;
  import org.apache.hadoop.hive.ql.processors.CommandProcessorFactory;
  import org.apache.hive.service.cli.HiveSQLException;
  import org.apache.hive.service.cli.OperationType;
  import org.apache.hive.service.cli.session.HiveSession;
  
  public abstract class ExecuteStatementOperation extends Operation {
    protected String statement = null;
    protected Map<String, String> confOverlay = new HashMap<String, String>();
  
    public ExecuteStatementOperation(HiveSession parentSession, String statement,
        Map<String, String> confOverlay, boolean runInBackground) {
      super(parentSession, OperationType.EXECUTE_STATEMENT, runInBackground);
      this.statement = statement;
      setConfOverlay(confOverlay);
    }
  
    public String getStatement() {
      return statement;
    }
  
    public static ExecuteStatementOperation newExecuteStatementOperation(
        HiveSession parentSession, String statement, Map<String, String> confOverlay, boolean runAsync)
            throws HiveSQLException {
      String[] tokens = statement.trim().split("\\s+");
      CommandProcessor processor = null;
      try {
        processor = CommandProcessorFactory.getForHiveCommand(tokens, parentSession.getHiveConf());
      } catch (SQLException e) {
        throw new HiveSQLException(e.getMessage(), e.getSQLState(), e);
      }
      if (processor == null) {
        return new SQLOperation(parentSession, statement, confOverlay, runAsync);
      }
      return new HiveCommandOperation(parentSession, statement, processor, confOverlay);
    }
  
    protected Map<String, String> getConfOverlay() {
      return confOverlay;
    }
  
    protected void setConfOverlay(Map<String, String> confOverlay) {
      if (confOverlay != null) {
        this.confOverlay = confOverlay;
      }
    }
  }
  