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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.fd.honeycomb.data.impl;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import javax.annotation.Nonnull;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
class ContainerRewriteDeleteProducer extends DelegatingRewriteDeleteProducer implements RewriteDeleteProducer {
private static final Logger LOG = LoggerFactory.getLogger(ContainerRewriteDeleteProducer.class);
private final SchemaContext ctx;
ContainerRewriteDeleteProducer(@Nonnull final NormalizedNodeRewriteDeleteRegistry baseRewriteProducer,
@Nonnull final SchemaContext ctx) {
super(baseRewriteProducer);
this.ctx = ctx;
}
@Override
public Collection<NormalizedNodeUpdate> normalizedUpdates(@Nonnull final YangInstanceIdentifier topLevelIdentifier,
@Nonnull final Map.Entry<YangInstanceIdentifier.PathArgument, DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> entry) {
final ContainerSchemaNode containerSchemaNode =
(ContainerSchemaNode) SchemaContextUtil
.findDataSchemaNode(ctx, getSchemaPath(topLevelIdentifier, entry));
if (containerSchemaNode.isPresenceContainer()) {
LOG.debug("Processing {} as presence container", topLevelIdentifier);
// if presence container - create delete right away
return ((ContainerNode) entry.getValue()).getValue().stream()
.map(containerNode -> new NormalizedNodeUpdate(
YangInstanceIdentifier.builder(topLevelIdentifier)
.node(containerNode.getIdentifier()).build(), containerNode, null))
.collect(Collectors.toList());
} else {
LOG.debug("Processing {} as non-presence container", topLevelIdentifier);
// if non-presence - goes deep with base logic
return super.normalizedUpdates(topLevelIdentifier, entry);
}
}
private static SchemaPath getSchemaPath(final YangInstanceIdentifier topLevelIdentifier,
final Map.Entry<YangInstanceIdentifier.PathArgument, DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> entry) {
return SchemaPath.create(extractSchemaPathQNames(topLevelIdentifier, entry), true);
}
private static List<QName> extractSchemaPathQNames(final YangInstanceIdentifier topLevelIdentifier,
final Map.Entry<YangInstanceIdentifier.PathArgument, DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> entry) {
// must be filtered out of augmentation and keyed NodeIdentifiers
return Stream.concat(topLevelIdentifier.getPathArguments().stream(), Stream.of(entry.getKey()))
.filter(pathArgument -> pathArgument instanceof YangInstanceIdentifier.NodeIdentifier)
.map(YangInstanceIdentifier.PathArgument::getNodeType)
.collect(Collectors.toList());
}
}
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