import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
-import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.ListNodeBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeAttrBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.NormalizedNodeContainerBuilder;
+import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
import org.opendaylight.yangtools.yang.model.api.SchemaPath;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private QName lastLeafSetQName;
- private NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder;
-
- @SuppressWarnings("rawtypes")
- private NormalizedNodeAttrBuilder<NodeWithValue, Object, LeafSetEntryNode<Object>> leafSetEntryBuilder;
-
AbstractLithiumDataInput(final DataInput input) {
this.input = requireNonNull(input);
}
}
@Override
- public final NormalizedNode<?, ?> readNormalizedNode() throws IOException {
- return readNormalizedNodeInternal();
+ public final void streamNormalizedNode(final NormalizedNodeStreamWriter writer) throws IOException {
+ streamNormalizedNode(requireNonNull(writer), input.readByte());
}
- private NormalizedNode<?, ?> readNormalizedNodeInternal() throws IOException {
- // each node should start with a byte
- byte nodeType = input.readByte();
-
- if (nodeType == NodeTypes.END_NODE) {
- LOG.trace("End node reached. return");
- lastLeafSetQName = null;
- return null;
- }
-
+ private void streamNormalizedNode(final NormalizedNodeStreamWriter writer, final byte nodeType) throws IOException {
switch (nodeType) {
+ case NodeTypes.ANY_XML_NODE:
+ streamAnyxml(writer);
+ break;
case NodeTypes.AUGMENTATION_NODE:
- AugmentationIdentifier augIdentifier = readAugmentationIdentifier();
- LOG.trace("Reading augmentation node {} ", augIdentifier);
- return addDataContainerChildren(Builders.augmentationBuilder().withNodeIdentifier(augIdentifier))
- .build();
-
+ streamAugmentation(writer);
+ break;
+ case NodeTypes.CHOICE_NODE:
+ streamChoice(writer);
+ break;
+ case NodeTypes.CONTAINER_NODE:
+ streamContainer(writer);
+ break;
+ case NodeTypes.LEAF_NODE:
+ streamLeaf(writer);
+ break;
+ case NodeTypes.LEAF_SET:
+ streamLeafSet(writer);
+ break;
+ case NodeTypes.ORDERED_LEAF_SET:
+ streamOrderedLeafSet(writer);
+ break;
case NodeTypes.LEAF_SET_ENTRY_NODE:
- final QName name = lastLeafSetQName != null ? lastLeafSetQName : readQName();
- final Object value = readObject();
- final NodeWithValue<Object> leafIdentifier = new NodeWithValue<>(name, value);
- LOG.trace("Reading leaf set entry node {}, value {}", leafIdentifier, value);
- return leafSetEntryBuilder().withNodeIdentifier(leafIdentifier).withValue(value).build();
-
+ streamLeafSetEntry(writer);
+ break;
case NodeTypes.MAP_ENTRY_NODE:
- final NodeIdentifierWithPredicates entryIdentifier = readNormalizedNodeWithPredicates();
- LOG.trace("Reading map entry node {} ", entryIdentifier);
- return addDataContainerChildren(Builders.mapEntryBuilder().withNodeIdentifier(entryIdentifier))
- .build();
-
+ streamMapEntry(writer);
+ break;
+ case NodeTypes.MAP_NODE:
+ streamMap(writer);
+ break;
+ case NodeTypes.ORDERED_MAP_NODE:
+ streamOrderedMap(writer);
+ break;
+ case NodeTypes.UNKEYED_LIST:
+ streamUnkeyedList(writer);
+ break;
+ case NodeTypes.UNKEYED_LIST_ITEM:
+ streamUnkeyedListItem(writer);
+ break;
default:
- return readNodeIdentifierDependentNode(nodeType, readNodeIdentifier());
+ throw new InvalidNormalizedNodeStreamException("Unexpected node " + nodeType);
}
}
- private NormalizedNodeAttrBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder() {
- if (leafBuilder == null) {
- leafBuilder = Builders.leafBuilder();
- }
-
- return leafBuilder;
+ private void streamAnyxml(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming anyxml node {}", identifier);
+ writer.anyxmlNode(identifier, readDOMSource());
}
- @SuppressWarnings("rawtypes")
- private NormalizedNodeAttrBuilder<NodeWithValue, Object,
- LeafSetEntryNode<Object>> leafSetEntryBuilder() {
- if (leafSetEntryBuilder == null) {
- leafSetEntryBuilder = Builders.leafSetEntryBuilder();
- }
+ private void streamAugmentation(final NormalizedNodeStreamWriter writer) throws IOException {
+ final AugmentationIdentifier augIdentifier = readAugmentationIdentifier();
+ LOG.trace("Streaming augmentation node {}", augIdentifier);
+ writer.startAugmentationNode(augIdentifier);
+ commonStreamContainer(writer);
+ }
- return leafSetEntryBuilder;
+ private void streamChoice(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming choice node {}", identifier);
+ writer.startChoiceNode(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
}
- private NormalizedNode<?, ?> readNodeIdentifierDependentNode(final byte nodeType, final NodeIdentifier identifier)
- throws IOException {
+ private void streamContainer(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming container node {}", identifier);
+ writer.startContainerNode(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- switch (nodeType) {
- case NodeTypes.LEAF_NODE:
- LOG.trace("Read leaf node {}", identifier);
- // Read the object value
- return leafBuilder().withNodeIdentifier(identifier).withValue(readObject()).build();
+ private void streamLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming leaf node {}", identifier);
+ writer.leafNode(identifier, readObject());
+ }
- case NodeTypes.ANY_XML_NODE:
- LOG.trace("Read xml node");
- return Builders.anyXmlBuilder().withNodeIdentifier(identifier).withValue(readDOMSource()).build();
+ private void streamLeafSet(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming leaf set node {}", identifier);
+ writer.startLeafSet(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamLeafSet(writer, identifier);
+ }
- case NodeTypes.MAP_NODE:
- LOG.trace("Read map node {}", identifier);
- return addDataContainerChildren(Builders.mapBuilder().withNodeIdentifier(identifier)).build();
+ private void streamOrderedLeafSet(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming ordered leaf set node {}", identifier);
+ writer.startOrderedLeafSet(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamLeafSet(writer, identifier);
+ }
- case NodeTypes.CHOICE_NODE:
- LOG.trace("Read choice node {}", identifier);
- return addDataContainerChildren(Builders.choiceBuilder().withNodeIdentifier(identifier)).build();
+ private void commonStreamLeafSet(final NormalizedNodeStreamWriter writer, final NodeIdentifier identifier)
+ throws IOException {
+ lastLeafSetQName = identifier.getNodeType();
+ try {
+ commonStreamContainer(writer);
+ } finally {
+ // Make sure we never leak this
+ lastLeafSetQName = null;
+ }
+ }
- case NodeTypes.ORDERED_MAP_NODE:
- LOG.trace("Reading ordered map node {}", identifier);
- return addDataContainerChildren(Builders.orderedMapBuilder().withNodeIdentifier(identifier)).build();
+ private void streamLeafSetEntry(final NormalizedNodeStreamWriter writer) throws IOException {
+ final QName name = lastLeafSetQName != null ? lastLeafSetQName : readQName();
+ final Object value = readObject();
+ LOG.trace("Streaming leaf set entry node {}, value {}", name, value);
+ writer.leafSetEntryNode(name, value);
+ }
- case NodeTypes.UNKEYED_LIST:
- LOG.trace("Read unkeyed list node {}", identifier);
- return addDataContainerChildren(Builders.unkeyedListBuilder().withNodeIdentifier(identifier)).build();
+ private void streamMap(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming map node {}", identifier);
+ writer.startMapNode(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- case NodeTypes.UNKEYED_LIST_ITEM:
- LOG.trace("Read unkeyed list item node {}", identifier);
- return addDataContainerChildren(Builders.unkeyedListEntryBuilder()
- .withNodeIdentifier(identifier)).build();
+ private void streamOrderedMap(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming ordered map node {}", identifier);
+ writer.startOrderedMapNode(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- case NodeTypes.CONTAINER_NODE:
- LOG.trace("Read container node {}", identifier);
- return addDataContainerChildren(Builders.containerBuilder().withNodeIdentifier(identifier)).build();
+ private void streamMapEntry(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifierWithPredicates entryIdentifier = readNormalizedNodeWithPredicates();
+ LOG.trace("Streaming map entry node {}", entryIdentifier);
+ writer.startMapEntryNode(entryIdentifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- case NodeTypes.LEAF_SET:
- LOG.trace("Read leaf set node {}", identifier);
- return addLeafSetChildren(identifier.getNodeType(),
- Builders.leafSetBuilder().withNodeIdentifier(identifier)).build();
+ private void streamUnkeyedList(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming unkeyed list node {}", identifier);
+ writer.startUnkeyedList(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- case NodeTypes.ORDERED_LEAF_SET:
- LOG.trace("Read ordered leaf set node {}", identifier);
- return addLeafSetChildren(identifier.getNodeType(),
- Builders.orderedLeafSetBuilder().withNodeIdentifier(identifier)).build();
+ private void streamUnkeyedListItem(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming unkeyed list item node {}", identifier);
+ writer.startUnkeyedListItem(identifier, NormalizedNodeStreamWriter.UNKNOWN_SIZE);
+ commonStreamContainer(writer);
+ }
- default:
- return null;
+ private void commonStreamContainer(final NormalizedNodeStreamWriter writer) throws IOException {
+ for (byte nodeType = input.readByte(); nodeType != NodeTypes.END_NODE; nodeType = input.readByte()) {
+ streamNormalizedNode(writer, nodeType);
}
+ writer.endNode();
}
private DOMSource readDOMSource() throws IOException {
return children;
}
-
abstract AugmentationIdentifier readAugmentationIdentifier() throws IOException;
abstract NodeIdentifier readNodeIdentifier() throws IOException;
return null;
}
}
-
- @SuppressWarnings("unchecked")
- private ListNodeBuilder<Object, LeafSetEntryNode<Object>> addLeafSetChildren(final QName nodeType,
- final ListNodeBuilder<Object, LeafSetEntryNode<Object>> builder) throws IOException {
-
- LOG.trace("Reading children of leaf set");
-
- lastLeafSetQName = nodeType;
-
- LeafSetEntryNode<Object> child = (LeafSetEntryNode<Object>)readNormalizedNodeInternal();
-
- while (child != null) {
- builder.withChild(child);
- child = (LeafSetEntryNode<Object>)readNormalizedNodeInternal();
- }
- return builder;
- }
-
- @SuppressWarnings({ "unchecked", "rawtypes" })
- private NormalizedNodeContainerBuilder addDataContainerChildren(
- final NormalizedNodeContainerBuilder builder) throws IOException {
- LOG.trace("Reading data container (leaf nodes) nodes");
-
- NormalizedNode<?, ?> child = readNormalizedNodeInternal();
-
- while (child != null) {
- builder.addChild(child);
- child = readNormalizedNodeInternal();
- }
- return builder;
- }
}
Code Review / controller.git / commitdiff