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.binding.impl;
10 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
11 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
12 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
13 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
14 import org.opendaylight.yangtools.concepts.Delegator;
15 import org.opendaylight.yangtools.concepts.Identifiable;
16 import org.opendaylight.yangtools.util.concurrent.MappingCheckedFuture;
17 import org.opendaylight.yangtools.yang.binding.DataObject;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
21 import com.google.common.base.Optional;
22 import com.google.common.base.Preconditions;
23 import com.google.common.util.concurrent.CheckedFuture;
24 import com.google.common.util.concurrent.Futures;
27 abstract class AbstractForwardedTransaction<T extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
28 implements Delegator<T>, Identifiable<Object> {
30 private final T delegate;
31 private final BindingToNormalizedNodeCodec codec;
33 public AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
34 this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
35 this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
40 public final Object getIdentifier() {
41 return delegate.getIdentifier();
45 public final T getDelegate() {
49 @SuppressWarnings("unchecked")
50 protected final <S extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>> S getDelegateChecked(final Class<S> txType) {
51 Preconditions.checkState(txType.isInstance(delegate));
55 protected final BindingToNormalizedNodeCodec getCodec() {
59 protected final <T extends DataObject> CheckedFuture<Optional<T>,ReadFailedException> doRead(
60 final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
61 final org.opendaylight.yangtools.yang.binding.InstanceIdentifier<T> path) {
63 return MappingCheckedFuture.create(
64 Futures.transform(readTx.read(store, codec.toNormalized(path)),
65 codec.deserializeFunction(path)),
66 ReadFailedException.MAPPER);