2 * Copyright (c) 2017 Red Hat, 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.binding.api;
10 import com.google.common.base.Optional;
11 import com.google.common.collect.ForwardingObject;
12 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.yangtools.yang.binding.DataObject;
16 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
19 * Utility {@link ReadOnlyTransaction} implementation which forwards all interface method
20 * invocation to a delegate instance.
22 @SuppressWarnings("deprecation") // due to CheckedFuture
23 public class ForwardingReadOnlyTransaction extends ForwardingObject implements ReadOnlyTransaction {
25 private final ReadOnlyTransaction delegate;
27 protected ForwardingReadOnlyTransaction(final ReadOnlyTransaction delegate) {
28 this.delegate = delegate;
32 protected ReadTransaction delegate() {
37 public <T extends DataObject> CheckedFuture<Optional<T>, ReadFailedException> read(final LogicalDatastoreType store,
38 final InstanceIdentifier<T> path) {
39 return delegate.read(store, path);
43 public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
44 final InstanceIdentifier<?> path) {
45 return delegate.exists(store, path);
49 public Object getIdentifier() {
50 return delegate.getIdentifier();