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.column.operation.lsm.secondary.create;
  
  import org.apache.asterix.om.types.ARecordType;
  import org.apache.hyracks.api.context.IHyracksTaskContext;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.storage.common.projection.ITupleProjector;
  import org.apache.hyracks.storage.common.projection.ITupleProjectorFactory;
  
  public class PrimaryScanColumnTupleProjectorFactory implements ITupleProjectorFactory {
      private static final long serialVersionUID = -2320917202024130839L;
      private final ARecordType datasetType;
      private final ARecordType metaType;
      private final int numberOfPrimaryKeys;
      private final ARecordType requestedType;
  
      public PrimaryScanColumnTupleProjectorFactory(ARecordType datasetType, ARecordType metaType,
              int numberOfPrimaryKeys, ARecordType requestedType) {
          this.datasetType = datasetType;
          this.metaType = metaType;
          this.numberOfPrimaryKeys = numberOfPrimaryKeys;
          this.requestedType = requestedType;
      }
  
      @Override
      public ITupleProjector createTupleProjector(IHyracksTaskContext context) throws HyracksDataException {
          if (metaType != null) {
              return new PrimaryScanColumnTupleWithMetaProjector(datasetType, metaType, numberOfPrimaryKeys,
                      requestedType);
          }
          return new PrimaryScanColumnTupleProjector(datasetType, numberOfPrimaryKeys, requestedType);
      }
  }
  