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.common.storage;
  
  import java.nio.file.Paths;
  import java.util.Objects;
  
  import org.apache.asterix.common.dataflow.DatasetLocalResource;
  import org.apache.asterix.common.utils.StorageConstants;
  import org.apache.hyracks.storage.common.LocalResource;
  
  @SuppressWarnings("squid:S2160") // don't override equals
  public class DatasetResourceReference extends ResourceReference {
  
      private final int datasetId;
      private final int partitionId;
      private final long resourceId;
  
      private DatasetResourceReference(LocalResource localResource) {
          super(Paths.get(localResource.getPath(), StorageConstants.METADATA_FILE_NAME).toString());
          final DatasetLocalResource dsResource = (DatasetLocalResource) localResource.getResource();
          datasetId = dsResource.getDatasetId();
          partitionId = dsResource.getPartition();
          resourceId = localResource.getId();
      }
  
      public static DatasetResourceReference of(LocalResource localResource) {
          Objects.requireNonNull(localResource);
          return parse(localResource);
      }
  
      public int getDatasetId() {
          return datasetId;
      }
  
      public int getPartitionId() {
          return partitionId;
      }
  
      public long getResourceId() {
          return resourceId;
      }
  
      private static DatasetResourceReference parse(LocalResource localResource) {
          return new DatasetResourceReference(localResource);
      }
  }
  