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.runtime.transaction;
  
  import java.util.Set;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.atomic.AtomicLong;
  
  import org.apache.asterix.common.cluster.IClusterStateManager;
  import org.apache.asterix.common.transactions.IResourceIdManager;
  
  public class ResourceIdManager implements IResourceIdManager {
  
      private final IClusterStateManager csm;
      private final AtomicLong globalResourceId = new AtomicLong();
      private Set<String> reportedNodes = ConcurrentHashMap.newKeySet();
  
      public ResourceIdManager(IClusterStateManager csm) {
          this.csm = csm;
      }
  
      @Override
      public long createResourceId() {
          return readyState() ? globalResourceId.incrementAndGet() : -1;
      }
  
      protected boolean readyState() {
          return csm.isClusterActive() || reportedNodes.containsAll(csm.getParticipantNodes(true));
      }
  
      @Override
      public boolean reported(String nodeId) {
          return reportedNodes.contains(nodeId);
      }
  
      @Override
      public void report(String nodeId, long maxResourceId) {
          globalResourceId.updateAndGet(prev -> Math.max(maxResourceId, prev));
          reportedNodes.add(nodeId);
      }
  
      @Override
      public long createResourceIdBlock(int blockSize) {
          return readyState() ? globalResourceId.getAndAdd(blockSize) + 1 : -1;
      }
  }
  