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.transaction.management.opcallbacks;
  
  import org.apache.asterix.common.api.IJobEventListenerFactory;
  import org.apache.asterix.common.context.ITransactionSubsystemProvider;
  import org.apache.asterix.common.exceptions.ACIDException;
  import org.apache.asterix.common.transactions.AbstractOperationCallbackFactory;
  import org.apache.asterix.common.transactions.DatasetId;
  import org.apache.asterix.common.transactions.ITransactionContext;
  import org.apache.asterix.common.transactions.ITransactionSubsystem;
  import org.apache.hyracks.api.context.IHyracksTaskContext;
  import org.apache.hyracks.api.dataflow.IOperatorNodePushable;
  import org.apache.hyracks.api.exceptions.HyracksDataException;
  import org.apache.hyracks.api.job.IJobletEventListenerFactory;
  import org.apache.hyracks.storage.am.common.api.ISearchOperationCallbackFactory;
  
  public class LockThenSearchOperationCallbackFactory extends AbstractOperationCallbackFactory
          implements ISearchOperationCallbackFactory {
  
      private static final long serialVersionUID = 1L;
  
      public LockThenSearchOperationCallbackFactory(int datasetId, int[] entityIdFields,
              ITransactionSubsystemProvider txnSubsystemProvider, byte resourceType) {
          super(datasetId, entityIdFields, txnSubsystemProvider, resourceType);
      }
  
      @Override
      public LockThenSearchOperationCallback createSearchOperationCallback(long resourceId, IHyracksTaskContext ctx,
              IOperatorNodePushable operatorNodePushable) throws HyracksDataException {
          ITransactionSubsystem txnSubsystem = txnSubsystemProvider.getTransactionSubsystem(ctx);
          try {
              IJobletEventListenerFactory fact = ctx.getJobletContext().getJobletEventListenerFactory();
              ITransactionContext txnCtx = txnSubsystem.getTransactionManager()
                      .getTransactionContext(((IJobEventListenerFactory) fact).getTxnId(datasetId));
              return new LockThenSearchOperationCallback(new DatasetId(datasetId), resourceId, primaryKeyFields,
                      txnSubsystem, txnCtx, operatorNodePushable);
          } catch (ACIDException e) {
              throw HyracksDataException.create(e);
          }
      }
  
  }
  