2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.controller.md.sal.dom.broker.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.util.concurrent.CheckedFuture;
13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
14 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
15 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
16 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
21 * Read Only Transaction, which is composed of several
22 * {@link DOMStoreReadTransaction} transactions. Subtransaction is selected by
23 * {@link LogicalDatastoreType} type parameter in
24 * {@link #read(LogicalDatastoreType, YangInstanceIdentifier)}.
26 class DOMForwardedReadOnlyTransaction extends
27 AbstractDOMForwardedCompositeTransaction<LogicalDatastoreType, DOMStoreReadTransaction> implements
28 DOMDataReadOnlyTransaction {
30 protected DOMForwardedReadOnlyTransaction(final Object identifier,
31 final Map<LogicalDatastoreType, DOMStoreReadTransaction> backingTxs) {
32 super(identifier, backingTxs);
36 public CheckedFuture<Optional<NormalizedNode<?,?>>, ReadFailedException> read(
37 final LogicalDatastoreType store, final YangInstanceIdentifier path) {
38 return getSubtransaction(store).read(path);
42 public CheckedFuture<Boolean, ReadFailedException> exists(
43 final LogicalDatastoreType store,
44 final YangInstanceIdentifier path) {
45 return getSubtransaction(store).exists(path);
50 closeSubtransactions();