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.asterix.optimizer.rules.am;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.asterix.common.config.DatasetConfig.IndexType;
  import org.apache.asterix.common.metadata.DataverseName;
  import org.apache.commons.lang3.mutable.Mutable;
  import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
  import org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression;
  import org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable;
  
  /**
   * Helper class for reading and writing job-gen parameters for RTree access methods to
   * and from a list of function arguments, typically of an unnest-map.
   */
  public class RTreeJobGenParams extends AccessMethodJobGenParams {
  
      protected List<LogicalVariable> keyVarList;
  
      public RTreeJobGenParams() {
      }
  
      public RTreeJobGenParams(String indexName, IndexType indexType, String databaseName, DataverseName dataverseName,
              String datasetName, boolean retainInput, boolean requiresBroadcast) {
          super(indexName, indexType, databaseName, dataverseName, datasetName, retainInput, requiresBroadcast);
      }
  
      public void writeToFuncArgs(List<Mutable<ILogicalExpression>> funcArgs) {
          super.writeToFuncArgs(funcArgs);
          writeVarList(keyVarList, funcArgs);
      }
  
      public void readFromFuncArgs(List<Mutable<ILogicalExpression>> funcArgs) throws AlgebricksException {
          super.readFromFuncArgs(funcArgs);
          int index = super.getNumParams();
          keyVarList = new ArrayList<LogicalVariable>();
          readVarList(funcArgs, index, keyVarList);
      }
  
      public void setKeyVarList(List<LogicalVariable> keyVarList) {
          this.keyVarList = keyVarList;
      }
  
      public List<LogicalVariable> getKeyVarList() {
          return keyVarList;
      }
  }
  