import com.google.common.base.Strings;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableList.Builder;
+import com.google.common.collect.Sets;
import java.io.DataInput;
import java.io.IOException;
import java.io.StringReader;
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.NormalizedNodeBuilder;
-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 NormalizedNodeBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder;
-
- @SuppressWarnings("rawtypes")
- private NormalizedNodeBuilder<NodeWithValue, Object, LeafSetEntryNode<Object>> leafSetEntryBuilder;
-
LithiumNormalizedNodeInputStreamReader(final DataInput input) {
this.input = requireNonNull(input);
}
}
@Override
- public NormalizedNode<?, ?> readNormalizedNode() throws IOException {
- return readNormalizedNodeInternal();
+ public 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 NormalizedNodeBuilder<NodeIdentifier, Object, LeafNode<Object>> leafBuilder() {
- if (leafBuilder == null) {
- leafBuilder = Builders.leafBuilder();
- }
+ private void streamAnyxml(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming anyxml node {}", identifier);
+ writer.startAnyxmlNode(identifier);
+ writer.domSourceValue(readDOMSource());
+ writer.endNode();
+ }
- return leafBuilder;
+ private void streamAugmentation(final NormalizedNodeStreamWriter writer) throws IOException {
+ final AugmentationIdentifier augIdentifier = readAugmentationIdentifier();
+ LOG.trace("Streaming augmentation node {}", augIdentifier);
+ writer.startAugmentationNode(augIdentifier);
+ commonStreamContainer(writer);
}
- @SuppressWarnings("rawtypes")
- private NormalizedNodeBuilder<NodeWithValue, Object, LeafSetEntryNode<Object>> leafSetEntryBuilder() {
- if (leafSetEntryBuilder == null) {
- leafSetEntryBuilder = Builders.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);
+ }
- return leafSetEntryBuilder;
+ 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);
}
- private NormalizedNode<?, ?> readNodeIdentifierDependentNode(final byte nodeType, final NodeIdentifier identifier)
- throws IOException {
+ private void streamLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
+ startLeaf(writer);
+ endLeaf(writer, readObject());
+ }
- switch (nodeType) {
- case NodeTypes.LEAF_NODE:
- LOG.trace("Read leaf node {}", identifier);
- // Read the object value
- return leafBuilder().withNodeIdentifier(identifier).withValue(readObject()).build();
+ // Leaf inside a MapEntryNode, it can potentially be a key leaf, in which case we want to de-duplicate values.
+ private void streamLeaf(final NormalizedNodeStreamWriter writer, final NodeIdentifierWithPredicates entryId)
+ throws IOException {
+ final NodeIdentifier identifier = startLeaf(writer);
+ final Object value = readObject();
+ final Object entryValue = entryId.getValue(identifier.getNodeType());
+ endLeaf(writer, entryValue == null ? value : entryValue);
+ }
- case NodeTypes.ANY_XML_NODE:
- LOG.trace("Read xml node");
- return Builders.anyXmlBuilder().withNodeIdentifier(identifier).withValue(readDOMSource()).build();
+ private NodeIdentifier startLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming leaf node {}", identifier);
+ writer.startLeafNode(identifier);
+ return identifier;
+ }
- case NodeTypes.MAP_NODE:
- LOG.trace("Read map node {}", identifier);
- return addDataContainerChildren(Builders.mapBuilder().withNodeIdentifier(identifier)).build();
+ private static void endLeaf(final NormalizedNodeStreamWriter writer, final Object value) throws IOException {
+ writer.scalarValue(value);
+ writer.endNode();
+ }
- case NodeTypes.CHOICE_NODE:
- LOG.trace("Read choice node {}", identifier);
- return addDataContainerChildren(Builders.choiceBuilder().withNodeIdentifier(identifier)).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.ORDERED_MAP_NODE:
- LOG.trace("Reading ordered map node {}", identifier);
- return addDataContainerChildren(Builders.orderedMapBuilder().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.UNKEYED_LIST:
- LOG.trace("Read unkeyed list node {}", identifier);
- return addDataContainerChildren(Builders.unkeyedListBuilder().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.UNKEYED_LIST_ITEM:
- LOG.trace("Read unkeyed list item node {}", identifier);
- return addDataContainerChildren(Builders.unkeyedListEntryBuilder()
- .withNodeIdentifier(identifier)).build();
+ private void streamLeafSetEntry(final NormalizedNodeStreamWriter writer) throws IOException {
+ final QName name = lastLeafSetQName != null ? lastLeafSetQName : readQName();
+ final Object value = readObject();
+ final NodeWithValue<Object> leafIdentifier = new NodeWithValue<>(name, value);
+ LOG.trace("Streaming leaf set entry node {}, value {}", leafIdentifier, value);
+ writer.startLeafSetEntryNode(leafIdentifier);
+ writer.scalarValue(value);
+ writer.endNode();
+ }
- case NodeTypes.CONTAINER_NODE:
- LOG.trace("Read container node {}", identifier);
- return addDataContainerChildren(Builders.containerBuilder().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.LEAF_SET:
- LOG.trace("Read leaf set node {}", identifier);
- return addLeafSetChildren(identifier.getNodeType(),
- Builders.leafSetBuilder().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.ORDERED_LEAF_SET:
- LOG.trace("Read ordered leaf set node {}", identifier);
- return addLeafSetChildren(identifier.getNodeType(),
- Builders.orderedLeafSetBuilder().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);
+
+ // Same loop as commonStreamContainer(), but ...
+ for (byte nodeType = input.readByte(); nodeType != NodeTypes.END_NODE; nodeType = input.readByte()) {
+ if (nodeType == NodeTypes.LEAF_NODE) {
+ // ... leaf nodes may need de-duplication
+ streamLeaf(writer, entryIdentifier);
+ } else {
+ streamNormalizedNode(writer, nodeType);
+ }
+ }
+ writer.endNode();
+ }
- default:
- return null;
+ 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);
+ }
+
+ 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);
+ }
+
+ 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 {
}
}
- QName readQName() throws IOException {
+ @Override
+ public QName readQName() throws IOException {
// Read in the same sequence of writing
String localName = readCodedString();
String namespace = readCodedString();
String revision = Strings.emptyToNull(readCodedString());
- return QNameFactory.create(new QNameFactory.Key(localName, namespace, revision));
+ return QNameFactory.create(localName, namespace, revision);
}
-
- private String readCodedString() throws IOException {
+ final String readCodedString() throws IOException {
final byte valueType = input.readByte();
switch (valueType) {
case TokenTypes.IS_NULL_VALUE:
private Set<QName> readQNameSet() throws IOException {
// Read the children count
- int count = input.readInt();
- Set<QName> children = new HashSet<>(count);
+ final int count = input.readInt();
+ final Set<QName> children = Sets.newHashSetWithExpectedSize(count);
for (int i = 0; i < count; i++) {
children.add(readQName());
}
}
AugmentationIdentifier readAugmentationIdentifier() throws IOException {
- return new AugmentationIdentifier(readQNameSet());
+ return AugmentationIdentifier.create(readQNameSet());
}
NodeIdentifier readNodeIdentifier() throws IOException {
final int count = input.readInt();
switch (count) {
case 0:
- return new NodeIdentifierWithPredicates(qname);
+ return NodeIdentifierWithPredicates.of(qname);
case 1:
- return new NodeIdentifierWithPredicates(qname, readQName(), readObject());
+ return NodeIdentifierWithPredicates.of(qname, readQName(), readObject());
default:
// ImmutableList is used by ImmutableOffsetMapTemplate for lookups, hence we use that.
final Builder<QName> keys = ImmutableList.builderWithExpectedSize(count);
values[i] = readObject();
}
- return new NodeIdentifierWithPredicates(qname, ImmutableOffsetMapTemplate.ordered(keys.build())
+ return NodeIdentifierWithPredicates.of(qname, ImmutableOffsetMapTemplate.ordered(keys.build())
.instantiateWithValues(values));
}
}
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 / blobdiff