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.util.Map;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.node.ArrayNode;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  
  public class ResourceStorageStats {
  
      private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
      private final DatasetResourceReference ref;
      private final Map<String, Long> components;
      private final long totalSize;
  
      public ResourceStorageStats(DatasetResourceReference ref, Map<String, Long> components, long totalSize) {
          this.ref = ref;
          this.components = components;
          this.totalSize = totalSize;
      }
  
      public DatasetResourceReference getRef() {
          return ref;
      }
  
      public Map<String, Long> getComponents() {
          return components;
      }
  
      public long getTotalSize() {
          return totalSize;
      }
  
      public JsonNode asJson() {
          final ObjectNode json = OBJECT_MAPPER.createObjectNode();
          json.put("index", ref.getIndex());
          json.put("dataset", ref.getDataset());
          json.put("datasetId", ref.getDatasetId());
          json.put("partition", ref.getPartitionId());
          json.put("path", ref.getRelativePath().toString());
          json.put("totalSize", totalSize);
          final ArrayNode componentsJson = OBJECT_MAPPER.createArrayNode();
          components.forEach((id, size) -> {
              ObjectNode component = OBJECT_MAPPER.createObjectNode();
              component.put("id", id);
              component.put("size", size);
              componentsJson.add(component);
          });
          json.set("components", componentsJson);
          return json;
      }
  }
  