diff options
Diffstat (limited to 'v3po/data-impl/src/main/java/io/fd/honeycomb/v3po/data/impl/DataTreeUtils.java')
-rw-r--r-- | v3po/data-impl/src/main/java/io/fd/honeycomb/v3po/data/impl/DataTreeUtils.java | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/v3po/data-impl/src/main/java/io/fd/honeycomb/v3po/data/impl/DataTreeUtils.java b/v3po/data-impl/src/main/java/io/fd/honeycomb/v3po/data/impl/DataTreeUtils.java new file mode 100644 index 000000000..83ed0f263 --- /dev/null +++ b/v3po/data-impl/src/main/java/io/fd/honeycomb/v3po/data/impl/DataTreeUtils.java @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2016 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.v3po.data.impl; + +import com.google.common.base.Preconditions; +import java.util.Collection; +import java.util.HashMap; +import java.util.Map; +import javax.annotation.Nonnull; +import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer; +import org.opendaylight.yangtools.yang.binding.DataObject; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +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; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Utility class for various operations on DataTree. + */ +final class DataTreeUtils { + private static final Logger LOG = LoggerFactory.getLogger(DataTreeUtils.class); + + private DataTreeUtils() { + throw new UnsupportedOperationException("Can't instantiate util class"); + } + + /** + * Translates children of supplied YANG ContainerNode into Binding data. + * + * @param parent ContainerNode representing data + * @param serializer service for serialization between Java Binding Data representation and NormalizedNode + * representation. + * @return NormalizedNode representation of parent's node children + */ + static Map<InstanceIdentifier<?>, DataObject> childrenFromNormalized(@Nonnull final DataContainerNode parent, + @Nonnull final BindingNormalizedNodeSerializer serializer) { + + Preconditions.checkNotNull(parent, "parent node should not be null"); + Preconditions.checkNotNull(serializer, "serializer should not be null"); + + final Map<InstanceIdentifier<?>, DataObject> map = new HashMap<>(); + + final Collection<DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?>> children = + parent.getValue(); + + for (final DataContainerChild<? extends YangInstanceIdentifier.PathArgument, ?> child : children) { + final YangInstanceIdentifier.PathArgument pathArgument = child.getIdentifier(); + final YangInstanceIdentifier identifier = YangInstanceIdentifier.create(pathArgument); + LOG.debug("VppConfigDataProxy.extractDataObject() child={}, pathArgument={}, identifier={}", child, + pathArgument, identifier); + + final Map.Entry<InstanceIdentifier<?>, DataObject> entry = serializer.fromNormalizedNode(identifier, child); + if (entry != null) { + map.put(entry.getKey(), entry.getValue()); + } + } + + return map; + } +} |