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.replication.logging;
  
  import java.util.Set;
  
  import org.apache.asterix.common.replication.IReplicationDestination;
  import org.apache.asterix.common.transactions.ILogRecord;
  
  public class TxnAck {
  
      private final Set<IReplicationDestination> pendingAcks;
      private final ILogRecord logRecord;
  
      public TxnAck(ILogRecord logRecord, Set<IReplicationDestination> pendingAcks) {
          this.logRecord = logRecord;
          this.pendingAcks = pendingAcks;
      }
  
      public synchronized void ack(IReplicationDestination dest) {
          pendingAcks.remove(dest);
          if (allAcked()) {
              synchronized (logRecord) {
                  logRecord.setReplicated(true);
                  logRecord.notifyAll();
              }
          }
      }
  
      public synchronized boolean allAcked() {
          return pendingAcks.isEmpty();
      }
  }
  