opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/AbstractTransactionContext.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.cluster.datastore;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.List;
  14 import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
  15 import scala.concurrent.Future;
  16
  17 abstract class AbstractTransactionContext implements TransactionContext {
  18
  19     private final List<Future<Object>> recordedOperationFutures = new ArrayList<>();
  20     private final TransactionIdentifier identifier;
  21
  22     protected AbstractTransactionContext(TransactionIdentifier identifier) {
  23         this.identifier = identifier;
  24     }
  25
  26     @Override
  27     public final void copyRecordedOperationFutures(Collection<Future<Object>> target) {
  28         target.addAll(recordedOperationFutures);
  29     }
  30
  31     protected final TransactionIdentifier getIdentifier() {
  32         return identifier;
  33     }
  34
  35     protected final Collection<Future<Object>> copyRecordedOperationFutures() {
  36         return ImmutableList.copyOf(recordedOperationFutures);
  37     }
  38
  39     protected final int recordedOperationCount() {
  40         return recordedOperationFutures.size();
  41     }
  42
  43     protected final void recordOperationFuture(Future<Object> future) {
  44         recordedOperationFutures.add(future);
  45     }
  46 }