From be05d84deebf8bd030bb6564d5cd49094f6da961 Mon Sep 17 00:00:00 2001 From: Jan Srnicek Date: Tue, 9 May 2017 15:28:14 +0200 Subject: HONEYCOMB-350 - APPEAR/DISAPPEAR modification handling Allows these types of modifications to check in depth, to see if some of their children nodes were not modified Change-Id: Ice2f988732c2d9ecad8e960c4f10d01863fb0cfd Signed-off-by: Jan Srnicek --- .../data/impl/DelegatingRewriteDeleteProducer.java | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 infra/data-impl/src/main/java/io/fd/honeycomb/data/impl/DelegatingRewriteDeleteProducer.java (limited to 'infra/data-impl/src/main/java/io/fd/honeycomb/data/impl/DelegatingRewriteDeleteProducer.java') diff --git a/infra/data-impl/src/main/java/io/fd/honeycomb/data/impl/DelegatingRewriteDeleteProducer.java b/infra/data-impl/src/main/java/io/fd/honeycomb/data/impl/DelegatingRewriteDeleteProducer.java new file mode 100644 index 000000000..e3b3c74dc --- /dev/null +++ b/infra/data-impl/src/main/java/io/fd/honeycomb/data/impl/DelegatingRewriteDeleteProducer.java @@ -0,0 +1,68 @@ +/* + * 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 static com.google.common.base.Preconditions.checkState; + +import java.util.AbstractMap; +import java.util.Collection; +import java.util.HashMap; +import java.util.Map; +import java.util.stream.Collectors; +import javax.annotation.Nonnull; +import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild; +import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode; + +/** + * Basic implementation for nodes that are not considered modifications but their children could be + */ +abstract class DelegatingRewriteDeleteProducer implements RewriteDeleteProducer { + + private final NormalizedNodeRewriteDeleteRegistry baseRewriteProducer; + + DelegatingRewriteDeleteProducer(@Nonnull final NormalizedNodeRewriteDeleteRegistry baseRewriteProducer) { + this.baseRewriteProducer = baseRewriteProducer; + } + + @Override + public Collection normalizedUpdates(@Nonnull final YangInstanceIdentifier topLevelIdentifier, + @Nonnull final Map.Entry> entry) { + // just delegates to lower level + checkState(entry.getValue() instanceof DataContainerNode, "Unable to extract children"); + checkState(entry.getValue() instanceof DataContainerChild, "Unable to extract identifier"); + final Collection> value = + DataContainerNode.class.cast(entry.getValue()).getValue(); + return value.stream() + .map(DataContainerChild.class::cast) + .flatMap(node -> baseRewriteProducer + .normalizedUpdates(childYangId(topLevelIdentifier, entry), childMapEntry(node)).stream()) + .collect(Collectors.toList()); + } + + private static AbstractMap.SimpleEntry> childMapEntry( + final DataContainerChild node) { + return new HashMap.SimpleEntry>( + node.getIdentifier(), node); + } + + private static YangInstanceIdentifier childYangId(final @Nonnull YangInstanceIdentifier topLevelIdentifier, + final @Nonnull Map.Entry> entry) { + return YangInstanceIdentifier.builder(topLevelIdentifier) + .node(entry.getKey()).build(); + } +} -- cgit 1.2.3-korg