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 org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
14 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
15 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
16 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
17 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
19 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
20 import org.slf4j.Logger;
21 import org.slf4j.LoggerFactory;
24 public class AbstractReadWriteTransaction extends AbstractWriteTransaction<DOMDataReadWriteTransaction> {
26 private static final Logger LOG = LoggerFactory.getLogger(AbstractReadWriteTransaction.class);
28 public AbstractReadWriteTransaction(final DOMDataReadWriteTransaction delegate,
29 final BindingToNormalizedNodeCodec codec) {
30 super(delegate, codec);
34 protected final void ensureParentsByMerge(final LogicalDatastoreType store,
35 final org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier normalizedPath,
36 final InstanceIdentifier<?> path) {
37 List<PathArgument> currentArguments = new ArrayList<>();
38 DataNormalizationOperation<?> currentOp = getCodec().getDataNormalizer().getRootOperation();
39 Iterator<PathArgument> iterator = normalizedPath.getPathArguments().iterator();
40 while (iterator.hasNext()) {
41 PathArgument currentArg = iterator.next();
43 currentOp = currentOp.getChild(currentArg);
44 } catch (DataNormalizationException e) {
45 throw new IllegalArgumentException(String.format("Invalid child encountered in path %s", path), e);
47 currentArguments.add(currentArg);
48 org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier currentPath =
49 org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.create(currentArguments);
53 exists = getDelegate().exists(store, currentPath).checkedGet();
54 } catch (ReadFailedException e) {
55 LOG.error("Failed to read pre-existing data from store {} path {}", store, currentPath, e);
56 throw new IllegalStateException("Failed to read pre-existing data", e);
59 if (!exists && iterator.hasNext()) {
60 getDelegate().merge(store, currentPath, currentOp.createDefault(currentArg));