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.utils;
  
  import java.io.Serializable;
  
  import org.apache.asterix.common.api.INcApplicationContext;
  import org.apache.asterix.common.metadata.MetadataIndexImmutableProperties;
  import org.apache.hyracks.api.control.CcId;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.control.nc.NodeControllerService;
  import org.apache.hyracks.storage.common.file.IResourceIdFactory;
  
  public class NcLocalCounters implements Serializable {
      private static final long serialVersionUID = 3798954558299915995L;
  
      private final long maxResourceId;
      private final long maxTxnId;
      private final long maxJobId;
  
      private NcLocalCounters(long maxResourceId, long maxTxnId, long maxJobId) {
          this.maxResourceId = maxResourceId;
          this.maxTxnId = maxTxnId;
          this.maxJobId = maxJobId;
      }
  
      public static NcLocalCounters collect(CcId ccId, NodeControllerService ncs) throws HyracksDataException {
          final INcApplicationContext appContext = (INcApplicationContext) ncs.getApplicationContext();
          resetGlobalCounters(ncs, appContext);
          long maxResourceId = Math.max(appContext.getLocalResourceRepository().maxId(),
                  MetadataIndexImmutableProperties.FIRST_AVAILABLE_USER_DATASET_ID);
          long maxTxnId = appContext.getMaxTxnId();
          long maxJobId = ncs.getMaxJobId(ccId);
          return new NcLocalCounters(maxResourceId, maxTxnId, maxJobId);
      }
  
      public long getMaxResourceId() {
          return maxResourceId;
      }
  
      public long getMaxTxnId() {
          return maxTxnId;
      }
  
      public long getMaxJobId() {
          return maxJobId;
      }
  
      @Override
      public String toString() {
          return "NcLocalCounters{" + "maxResourceId=" + maxResourceId + ", maxTxnId=" + maxTxnId + ", maxJobId="
                  + maxJobId + '}';
      }
  
      private static void resetGlobalCounters(NodeControllerService ncs, INcApplicationContext appContext) {
          IResourceIdFactory resourceIdFactory =
                  appContext.getStorageComponentProvider().getStorageManager().getResourceIdFactory(ncs.getContext());
          resourceIdFactory.reset();
      }
  }
  