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.spi;
10 import org.opendaylight.mdsal.dom.api.DOMDataReadOnlyTransaction;
12 import com.google.common.base.Optional;
13 import com.google.common.collect.ForwardingObject;
14 import com.google.common.util.concurrent.CheckedFuture;
15 import javax.annotation.Nonnull;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
22 * Utility {@link DOMDataReadOnlyTransaction} implementation which forwards all interface
23 * method invocation to a delegate instance.
25 public abstract class ForwardingDOMDataReadOnlyTransaction extends ForwardingObject implements DOMDataReadOnlyTransaction {
27 protected abstract @Nonnull DOMDataReadOnlyTransaction delegate();
30 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
31 return delegate().read(store, path);
35 public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
36 return delegate().exists(store, path);
40 public Object getIdentifier() {
41 return delegate().getIdentifier();