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.external.input.record.reader;
  
  import java.util.Arrays;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  import org.apache.asterix.common.dataflow.ICcApplicationContext;
  import org.apache.asterix.common.external.IExternalFilterEvaluatorFactory;
  import org.apache.asterix.external.api.IExternalDataRuntimeContext;
  import org.apache.asterix.external.api.IExternalDataSourceFactory;
  import org.apache.asterix.external.api.IRecordReader;
  import org.apache.asterix.external.api.IRecordReaderFactory;
  import org.apache.asterix.external.input.record.RecordWithPK;
  import org.apache.hyracks.algebricks.common.constraints.AlgebricksAbsolutePartitionConstraint;
  import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
  import org.apache.hyracks.api.application.IServiceContext;
  import org.apache.hyracks.api.exceptions.IWarningCollector;
  
  public class RecordWithPKTestReaderFactory implements IRecordReaderFactory<RecordWithPK<char[]>> {
  
      private static final long serialVersionUID = 1L;
      private transient AlgebricksAbsolutePartitionConstraint clusterLocations;
      private transient IServiceContext serviceCtx;
      private static final List<String> recordReaderNames = Collections.unmodifiableList(Arrays.asList());
  
      @Override
      public AlgebricksAbsolutePartitionConstraint getPartitionConstraint() throws AlgebricksException {
          clusterLocations = IExternalDataSourceFactory.getPartitionConstraints(
                  (ICcApplicationContext) serviceCtx.getApplicationContext(), clusterLocations, 1);
          return clusterLocations;
      }
  
      @Override
      public void configure(IServiceContext serviceCtx, final Map<String, String> configuration,
              IWarningCollector warningCollector, IExternalFilterEvaluatorFactory filterEvaluatorFactory) {
          this.serviceCtx = serviceCtx;
      }
  
      @Override
      public IRecordReader<? extends RecordWithPK<char[]>> createRecordReader(IExternalDataRuntimeContext context) {
          return new TestAsterixMembersReader();
      }
  
      @Override
      public Class<?> getRecordClass() {
          return RecordWithPK.class;
      }
  
      @Override
      public List<String> getRecordReaderNames() {
          return recordReaderNames;
      }
  }
  