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.concurrent.ExecutionException;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
17 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
18 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
21 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
22 import org.slf4j.Logger;
23 import org.slf4j.LoggerFactory;
25 import com.google.common.base.Optional;
27 public class AbstractReadWriteTransaction extends AbstractWriteTransaction<DOMDataReadWriteTransaction> {
29 private static final Logger LOG = LoggerFactory.getLogger(AbstractReadWriteTransaction.class);
31 public AbstractReadWriteTransaction(final DOMDataReadWriteTransaction delegate, final BindingToNormalizedNodeCodec codec) {
32 super(delegate, codec);
36 protected final void ensureParentsByMerge(final LogicalDatastoreType store,
37 final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier normalizedPath,
38 final InstanceIdentifier<?> path) {
39 List<PathArgument> currentArguments = new ArrayList<>();
40 DataNormalizationOperation<?> currentOp = getCodec().getDataNormalizer().getRootOperation();
41 Iterator<PathArgument> iterator = normalizedPath.getPathArguments().iterator();
42 while (iterator.hasNext()) {
43 PathArgument currentArg = iterator.next();
45 currentOp = currentOp.getChild(currentArg);
46 } catch (DataNormalizationException e) {
47 throw new IllegalArgumentException(String.format("Invalid child encountered in path %s", path), e);
49 currentArguments.add(currentArg);
50 org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier currentPath = org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.create(
53 final Optional<NormalizedNode<?, ?>> d;
55 d = getDelegate().read(store, currentPath).get();
56 } catch (InterruptedException | ExecutionException e) {
57 LOG.error("Failed to read pre-existing data from store {} path {}", store, currentPath, e);
58 throw new IllegalStateException("Failed to read pre-existing data", e);
61 if (!d.isPresent() && iterator.hasNext()) {
62 getDelegate().merge(store, currentPath, currentOp.createDefault(currentArg));