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 java.util.ArrayList;
11 import java.util.Iterator;
12 import java.util.List;
13 import java.util.Map.Entry;
14 import java.util.concurrent.ExecutionException;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
18 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
22 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
24 import org.slf4j.Logger;
25 import org.slf4j.LoggerFactory;
27 import com.google.common.base.Optional;
29 public class AbstractReadWriteTransaction extends AbstractWriteTransaction<DOMDataReadWriteTransaction> {
31 private static final Logger LOG = LoggerFactory.getLogger(AbstractReadWriteTransaction.class);
33 public AbstractReadWriteTransaction(final DOMDataReadWriteTransaction delegate, final BindingToNormalizedNodeCodec codec) {
34 super(delegate, codec);
37 protected final void doPutWithEnsureParents(final LogicalDatastoreType store, final InstanceIdentifier<?> path, final DataObject data) {
38 final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalized = getCodec()
39 .toNormalizedNode(path, data);
41 final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalizedPath = normalized.getKey();
42 ensureParentsByMerge(store, normalizedPath, path);
43 LOG.debug("Tx: {} : Putting data {}", getDelegate().getIdentifier(), normalizedPath);
44 doPut(store, path, data);
47 protected final void doMergeWithEnsureParents(final LogicalDatastoreType store, final InstanceIdentifier<?> path, final DataObject data) {
48 final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalized = getCodec()
49 .toNormalizedNode(path, data);
51 final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalizedPath = normalized.getKey();
52 ensureParentsByMerge(store, normalizedPath, path);
53 LOG.debug("Tx: {} : Merge data {}", getDelegate().getIdentifier(), normalizedPath);
54 doMerge(store, path, data);
57 private final void ensureParentsByMerge(final LogicalDatastoreType store,
58 final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalizedPath,
59 final InstanceIdentifier<?> path) {
60 List<PathArgument> currentArguments = new ArrayList<>();
61 DataNormalizationOperation<?> currentOp = getCodec().getDataNormalizer().getRootOperation();
62 Iterator<PathArgument> iterator = normalizedPath.getPathArguments().iterator();
63 while (iterator.hasNext()) {
64 PathArgument currentArg = iterator.next();
66 currentOp = currentOp.getChild(currentArg);
67 } catch (DataNormalizationException e) {
68 throw new IllegalArgumentException(String.format("Invalid child encountered in path %s", path), e);
70 currentArguments.add(currentArg);
71 org.opendaylight.yangtools.yang.data.api.InstanceIdentifier currentPath = org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.create(
74 final Optional<NormalizedNode<?, ?>> d;
76 d = getDelegate().read(store, currentPath).get();
77 } catch (InterruptedException | ExecutionException e) {
78 LOG.error("Failed to read pre-existing data from store {} path {}", store, currentPath, e);
79 throw new IllegalStateException("Failed to read pre-existing data", e);
82 if (!d.isPresent() && iterator.hasNext()) {
83 getDelegate().merge(store, currentPath, currentOp.createDefault(currentArg));