dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/DOMForwardedReadOnlyTransaction.java

   1 /*
   2  * Copyright (c) 2014 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.mdsal.dom.broker;
   9
  10 import com.google.common.util.concurrent.FluentFuture;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
  15 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  18
  19 /**
  20  * Read Only Transaction, which is composed of several
  21  * {@link DOMStoreReadTransaction} transactions. Subtransaction is selected by
  22  * {@link LogicalDatastoreType} type parameter in
  23  * {@link #read(LogicalDatastoreType, YangInstanceIdentifier)}.
  24  */
  25 class DOMForwardedReadOnlyTransaction extends
  26         AbstractDOMForwardedCompositeTransaction<LogicalDatastoreType, DOMStoreReadTransaction> implements
  27         DOMDataTreeReadTransaction {
  28
  29     protected DOMForwardedReadOnlyTransaction(final Object identifier,
  30             final Map<LogicalDatastoreType, DOMStoreReadTransaction> backingTxs) {
  31         super(identifier, backingTxs);
  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 }