opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/DOMBrokerReadOnlyTransaction.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
   9 package org.opendaylight.controller.cluster.databroker;
  10
  11 import com.google.common.util.concurrent.FluentFuture;
  12 import java.util.Map;
  13 import java.util.Optional;
  14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  15 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  16 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  17 import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionFactory;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  20
  21 public class DOMBrokerReadOnlyTransaction
  22         extends AbstractDOMBrokerTransaction<DOMStoreReadTransaction> implements DOMDataTreeReadTransaction {
  23
  24     /**
  25      * Creates new composite Transactions.
  26      *
  27      * @param identifier Identifier of transaction.
  28      */
  29     protected DOMBrokerReadOnlyTransaction(Object identifier,
  30             Map<LogicalDatastoreType, ? extends DOMStoreTransactionFactory> storeTxFactories) {
  31         super(identifier, storeTxFactories);
  32     }
  33
  34     @Override
  35     public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final LogicalDatastoreType store,
  36             final YangInstanceIdentifier path) {
  37         return getSubtransaction(store).read(path);
  38     }
  39
  40     @Override
  41     public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  42         return getSubtransaction(store).exists(path);
  43     }
  44
  45     @Override
  46     public void close() {
  47         closeSubtransactions();
  48     }
  49
  50     @Override
  51     protected DOMStoreReadTransaction createTransaction(LogicalDatastoreType key) {
  52         return getTxFactory(key).newReadOnlyTransaction();
  53     }
  54 }