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 org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
11 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
12 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
13 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
17 import com.google.common.base.Optional;
18 import com.google.common.collect.ImmutableMap;
19 import com.google.common.util.concurrent.CheckedFuture;
23 * Read Only Transaction, which is composed of several
24 * {@link DOMStoreReadTransaction} transactions. Subtransaction is selected by
25 * {@link LogicalDatastoreType} type parameter in
26 * {@link #read(LogicalDatastoreType, YangInstanceIdentifier)}.
28 class DOMForwardedReadOnlyTransaction extends
29 AbstractDOMForwardedCompositeTransaction<LogicalDatastoreType, DOMStoreReadTransaction> implements
30 DOMDataReadOnlyTransaction {
32 protected DOMForwardedReadOnlyTransaction(final Object identifier,
33 final ImmutableMap<LogicalDatastoreType, DOMStoreReadTransaction> backingTxs) {
34 super(identifier, backingTxs);
38 public CheckedFuture<Optional<NormalizedNode<?,?>>, ReadFailedException> read(
39 final LogicalDatastoreType store, final YangInstanceIdentifier path) {
40 return getSubtransaction(store).read(path);
43 @Override public CheckedFuture<Boolean, ReadFailedException> exists(
44 LogicalDatastoreType store,
45 YangInstanceIdentifier path) {
46 return getSubtransaction(store).exists(path);
51 closeSubtransactions();