Package org.apache.tajo.worker

Source Code of org.apache.tajo.worker.TajoQueryEngine

/**
* 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.tajo.worker;

import org.apache.tajo.conf.TajoConf;
import org.apache.tajo.engine.planner.PhysicalPlanner;
import org.apache.tajo.engine.planner.PhysicalPlannerImpl;
import org.apache.tajo.engine.planner.logical.LogicalNode;
import org.apache.tajo.engine.planner.physical.PhysicalExec;
import org.apache.tajo.exception.InternalException;
import org.apache.tajo.storage.AbstractStorageManager;
import org.apache.tajo.storage.StorageManagerFactory;

import java.io.IOException;

public class TajoQueryEngine {

  private final AbstractStorageManager storageManager;
  private final PhysicalPlanner phyPlanner;

  public TajoQueryEngine(TajoConf conf) throws IOException {
    this.storageManager = StorageManagerFactory.getStorageManager(conf);
    this.phyPlanner = new PhysicalPlannerImpl(conf, storageManager);
  }
 
  public PhysicalExec createPlan(TaskAttemptContext ctx, LogicalNode plan)
      throws InternalException {
    return phyPlanner.createPlan(ctx, plan);
  }
 
  public void stop() throws IOException {
  }
}
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