2 * Copyright © 2017, 2018 Red Hat, Inc. and others.
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.mdsal.binding.spi;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.util.concurrent.FluentFuture;
13 import java.util.Optional;
14 import org.opendaylight.mdsal.binding.api.ReadTransaction;
15 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
16 import org.opendaylight.yangtools.yang.binding.DataObject;
17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
20 * Utility {@link ReadTransaction} implementation which forwards all interface method invocation to a delegate instance.
22 public class ForwardingReadTransaction extends ForwardingTransaction implements ReadTransaction {
23 private final ReadTransaction delegate;
25 public ForwardingReadTransaction(final ReadTransaction delegate) {
26 this.delegate = requireNonNull(delegate);
30 protected ReadTransaction delegate() {
35 public <T extends DataObject> FluentFuture<Optional<T>> read(final LogicalDatastoreType store,
36 final InstanceIdentifier<T> path) {
37 return delegate.read(store, path);
41 public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final InstanceIdentifier<?> path) {
42 return delegate.exists(store, path);