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