--- /dev/null
+/*
+ * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.cluster.datastore.node.utils.stream;
+
+import static java.util.Objects.requireNonNull;
+
+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 java.math.BigDecimal;
+import java.math.BigInteger;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.dom.DOMSource;
+import org.eclipse.jdt.annotation.NonNull;
+import org.opendaylight.controller.cluster.datastore.node.utils.QNameFactory;
+import org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate;
+import org.opendaylight.yangtools.yang.common.Empty;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+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.stream.NormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Element;
+import org.xml.sax.InputSource;
+import org.xml.sax.SAXException;
+
+/**
+ * NormalizedNodeInputStreamReader reads the byte stream and constructs the normalized node including its children
+ * nodes. This process goes in recursive manner, where each NodeTypes object signifies the start of the object, except
+ * END_NODE. If a node can have children, then that node's end is calculated based on appearance of END_NODE.
+ */
+abstract class AbstractLithiumDataInput extends ForwardingDataInput implements NormalizedNodeDataInput {
+
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractLithiumDataInput.class);
+
+ private final @NonNull DataInput input;
+
+ private final List<String> codedStringMap = new ArrayList<>();
+
+ private QName lastLeafSetQName;
+
+ AbstractLithiumDataInput(final DataInput input) {
+ this.input = requireNonNull(input);
+ }
+
+ @Override
+ final DataInput delegate() {
+ return input;
+ }
+
+ @Override
+ public final void streamNormalizedNode(final NormalizedNodeStreamWriter writer) throws IOException {
+ streamNormalizedNode(requireNonNull(writer), input.readByte());
+ }
+
+ 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:
+ 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:
+ streamLeafSetEntry(writer);
+ break;
+ case NodeTypes.MAP_ENTRY_NODE:
+ 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:
+ throw new InvalidNormalizedNodeStreamException("Unexpected node " + nodeType);
+ }
+ }
+
+ 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();
+ }
+
+ private void streamAugmentation(final NormalizedNodeStreamWriter writer) throws IOException {
+ final AugmentationIdentifier augIdentifier = readAugmentationIdentifier();
+ LOG.trace("Streaming augmentation node {}", augIdentifier);
+ writer.startAugmentationNode(augIdentifier);
+ commonStreamContainer(writer);
+ }
+
+ 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 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 void streamLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
+ startLeaf(writer);
+ endLeaf(writer, readObject());
+ }
+
+ // 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);
+ }
+
+ private NodeIdentifier startLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
+ final NodeIdentifier identifier = readNodeIdentifier();
+ LOG.trace("Streaming leaf node {}", identifier);
+ writer.startLeafNode(identifier);
+ return identifier;
+ }
+
+ private static void endLeaf(final NormalizedNodeStreamWriter writer, final Object value) throws IOException {
+ writer.scalarValue(value);
+ writer.endNode();
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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;
+ }
+ }
+
+ 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();
+ }
+
+ 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);
+ }
+
+ 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);
+ }
+
+ 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();
+ }
+
+ 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 {
+ String xml = readObject().toString();
+ try {
+ DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+ factory.setNamespaceAware(true);
+ Element node = factory.newDocumentBuilder().parse(
+ new InputSource(new StringReader(xml))).getDocumentElement();
+ return new DOMSource(node);
+ } catch (SAXException | ParserConfigurationException e) {
+ throw new IOException("Error parsing XML: " + xml, e);
+ }
+ }
+
+ final QName defaultReadQName() throws IOException {
+ // Read in the same sequence of writing
+ String localName = readCodedString();
+ String namespace = readCodedString();
+ String revision = Strings.emptyToNull(readCodedString());
+
+ return QNameFactory.create(localName, namespace, revision);
+ }
+
+ final String readCodedString() throws IOException {
+ final byte valueType = input.readByte();
+ switch (valueType) {
+ case TokenTypes.IS_NULL_VALUE:
+ return null;
+ case TokenTypes.IS_CODE_VALUE:
+ final int code = input.readInt();
+ try {
+ return codedStringMap.get(code);
+ } catch (IndexOutOfBoundsException e) {
+ throw new IOException("String code " + code + " was not found", e);
+ }
+ case TokenTypes.IS_STRING_VALUE:
+ final String value = input.readUTF().intern();
+ codedStringMap.add(value);
+ return value;
+ default:
+ throw new IOException("Unhandled string value type " + valueType);
+ }
+ }
+
+ private Set<QName> readQNameSet() throws IOException {
+ // Read the children count
+ final int count = input.readInt();
+ final Set<QName> children = Sets.newHashSetWithExpectedSize(count);
+ for (int i = 0; i < count; i++) {
+ children.add(readQName());
+ }
+ return children;
+ }
+
+ abstract AugmentationIdentifier readAugmentationIdentifier() throws IOException;
+
+ abstract NodeIdentifier readNodeIdentifier() throws IOException;
+
+ final AugmentationIdentifier defaultReadAugmentationIdentifier() throws IOException {
+ return AugmentationIdentifier.create(readQNameSet());
+ }
+
+ private NodeIdentifierWithPredicates readNormalizedNodeWithPredicates() throws IOException {
+ final QName qname = readQName();
+ final int count = input.readInt();
+ switch (count) {
+ case 0:
+ return NodeIdentifierWithPredicates.of(qname);
+ case 1:
+ 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);
+ final Object[] values = new Object[count];
+ for (int i = 0; i < count; i++) {
+ keys.add(readQName());
+ values[i] = readObject();
+ }
+
+ return NodeIdentifierWithPredicates.of(qname, ImmutableOffsetMapTemplate.ordered(keys.build())
+ .instantiateWithValues(values));
+ }
+ }
+
+ private Object readObject() throws IOException {
+ byte objectType = input.readByte();
+ switch (objectType) {
+ case ValueTypes.BITS_TYPE:
+ return readObjSet();
+
+ case ValueTypes.BOOL_TYPE:
+ return input.readBoolean();
+
+ case ValueTypes.BYTE_TYPE:
+ return input.readByte();
+
+ case ValueTypes.INT_TYPE:
+ return input.readInt();
+
+ case ValueTypes.LONG_TYPE:
+ return input.readLong();
+
+ case ValueTypes.QNAME_TYPE:
+ return readQName();
+
+ case ValueTypes.SHORT_TYPE:
+ return input.readShort();
+
+ case ValueTypes.STRING_TYPE:
+ return input.readUTF();
+
+ case ValueTypes.STRING_BYTES_TYPE:
+ return readStringBytes();
+
+ case ValueTypes.BIG_DECIMAL_TYPE:
+ return new BigDecimal(input.readUTF());
+
+ case ValueTypes.BIG_INTEGER_TYPE:
+ return new BigInteger(input.readUTF());
+
+ case ValueTypes.BINARY_TYPE:
+ byte[] bytes = new byte[input.readInt()];
+ input.readFully(bytes);
+ return bytes;
+
+ case ValueTypes.YANG_IDENTIFIER_TYPE:
+ return readYangInstanceIdentifierInternal();
+
+ case ValueTypes.EMPTY_TYPE:
+ // Leaf nodes no longer allow null values and thus we no longer emit null values. Previously, the "empty"
+ // yang type was represented as null so we translate an incoming null value to Empty. It was possible for
+ // a BI user to set a string leaf to null and we're rolling the dice here but the chances for that are
+ // very low. We'd have to know the yang type but, even if we did, we can't let a null value pass upstream
+ // so we'd have to drop the leaf which might cause other issues.
+ case ValueTypes.NULL_TYPE:
+ return Empty.getInstance();
+
+ default:
+ return null;
+ }
+ }
+
+ private String readStringBytes() throws IOException {
+ byte[] bytes = new byte[input.readInt()];
+ input.readFully(bytes);
+ return new String(bytes, StandardCharsets.UTF_8);
+ }
+
+ @Override
+ public final SchemaPath readSchemaPath() throws IOException {
+ final boolean absolute = input.readBoolean();
+ final int size = input.readInt();
+
+ final Builder<QName> qnames = ImmutableList.builderWithExpectedSize(size);
+ for (int i = 0; i < size; ++i) {
+ qnames.add(readQName());
+ }
+ return SchemaPath.create(qnames.build(), absolute);
+ }
+
+ @Override
+ public final YangInstanceIdentifier readYangInstanceIdentifier() throws IOException {
+ return readYangInstanceIdentifierInternal();
+ }
+
+ private YangInstanceIdentifier readYangInstanceIdentifierInternal() throws IOException {
+ int size = input.readInt();
+ final Builder<PathArgument> pathArguments = ImmutableList.builderWithExpectedSize(size);
+ for (int i = 0; i < size; i++) {
+ pathArguments.add(readPathArgument());
+ }
+ return YangInstanceIdentifier.create(pathArguments.build());
+ }
+
+ private Set<String> readObjSet() throws IOException {
+ int count = input.readInt();
+ Set<String> children = new HashSet<>(count);
+ for (int i = 0; i < count; i++) {
+ children.add(readCodedString());
+ }
+ return children;
+ }
+
+ @Override
+ public final PathArgument readPathArgument() throws IOException {
+ // read Type
+ int type = input.readByte();
+
+ switch (type) {
+ case PathArgumentTypes.AUGMENTATION_IDENTIFIER:
+ return readAugmentationIdentifier();
+ case PathArgumentTypes.NODE_IDENTIFIER:
+ return readNodeIdentifier();
+ case PathArgumentTypes.NODE_IDENTIFIER_WITH_PREDICATES:
+ return readNormalizedNodeWithPredicates();
+ case PathArgumentTypes.NODE_IDENTIFIER_WITH_VALUE:
+ return new NodeWithValue<>(readQName(), readObject());
+ default:
+ // FIXME: throw hard error
+ return null;
+ }
+ }
+}
*/
package org.opendaylight.controller.cluster.datastore.node.utils.stream;
-import static java.util.Objects.requireNonNull;
-
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 java.math.BigDecimal;
-import java.math.BigInteger;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import javax.xml.parsers.DocumentBuilderFactory;
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.transform.dom.DOMSource;
-import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.controller.cluster.datastore.node.utils.QNameFactory;
-import org.opendaylight.yangtools.util.ImmutableOffsetMapTemplate;
-import org.opendaylight.yangtools.yang.common.Empty;
import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-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.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Element;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
/**
- * NormalizedNodeInputStreamReader reads the byte stream and constructs the normalized node including its children
- * nodes. This process goes in recursive manner, where each NodeTypes object signifies the start of the object, except
- * END_NODE. If a node can have children, then that node's end is calculated based on appearance of END_NODE.
+ * Lithium (or Oxygen really) specialization of AbstractLithiumDataInput.
*/
-class LithiumNormalizedNodeInputStreamReader extends ForwardingDataInput implements NormalizedNodeDataInput {
-
- private static final Logger LOG = LoggerFactory.getLogger(LithiumNormalizedNodeInputStreamReader.class);
-
- private final @NonNull DataInput input;
-
- private final List<String> codedStringMap = new ArrayList<>();
-
- private QName lastLeafSetQName;
-
+final class LithiumNormalizedNodeInputStreamReader extends AbstractLithiumDataInput {
LithiumNormalizedNodeInputStreamReader(final DataInput input) {
- this.input = requireNonNull(input);
+ super(input);
}
@Override
- final DataInput delegate() {
- return input;
- }
-
- @Override
- public NormalizedNodeStreamVersion getVersion() throws IOException {
+ public NormalizedNodeStreamVersion getVersion() {
return NormalizedNodeStreamVersion.LITHIUM;
}
- @Override
- public void streamNormalizedNode(final NormalizedNodeStreamWriter writer) throws IOException {
- streamNormalizedNode(requireNonNull(writer), input.readByte());
- }
-
- 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:
- 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:
- streamLeafSetEntry(writer);
- break;
- case NodeTypes.MAP_ENTRY_NODE:
- 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:
- throw new InvalidNormalizedNodeStreamException("Unexpected node " + nodeType);
- }
- }
-
- 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();
- }
-
- private void streamAugmentation(final NormalizedNodeStreamWriter writer) throws IOException {
- final AugmentationIdentifier augIdentifier = readAugmentationIdentifier();
- LOG.trace("Streaming augmentation node {}", augIdentifier);
- writer.startAugmentationNode(augIdentifier);
- commonStreamContainer(writer);
- }
-
- 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 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 void streamLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
- startLeaf(writer);
- endLeaf(writer, readObject());
- }
-
- // 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);
- }
-
- private NodeIdentifier startLeaf(final NormalizedNodeStreamWriter writer) throws IOException {
- final NodeIdentifier identifier = readNodeIdentifier();
- LOG.trace("Streaming leaf node {}", identifier);
- writer.startLeafNode(identifier);
- return identifier;
- }
-
- private static void endLeaf(final NormalizedNodeStreamWriter writer, final Object value) throws IOException {
- writer.scalarValue(value);
- writer.endNode();
- }
-
- 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);
- }
-
- 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);
- }
-
- 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;
- }
- }
-
- 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();
- }
-
- 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);
- }
-
- 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);
- }
-
- 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();
- }
-
- 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 {
- String xml = readObject().toString();
- try {
- DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
- factory.setNamespaceAware(true);
- Element node = factory.newDocumentBuilder().parse(
- new InputSource(new StringReader(xml))).getDocumentElement();
- return new DOMSource(node);
- } catch (SAXException | ParserConfigurationException e) {
- throw new IOException("Error parsing XML: " + xml, e);
- }
- }
-
@Override
public QName readQName() throws IOException {
// Read in the same sequence of writing
return QNameFactory.create(localName, namespace, revision);
}
- final String readCodedString() throws IOException {
- final byte valueType = input.readByte();
- switch (valueType) {
- case TokenTypes.IS_NULL_VALUE:
- return null;
- case TokenTypes.IS_CODE_VALUE:
- final int code = input.readInt();
- try {
- return codedStringMap.get(code);
- } catch (IndexOutOfBoundsException e) {
- throw new IOException("String code " + code + " was not found", e);
- }
- case TokenTypes.IS_STRING_VALUE:
- final String value = input.readUTF().intern();
- codedStringMap.add(value);
- return value;
- default:
- throw new IOException("Unhandled string value type " + valueType);
- }
- }
-
- private Set<QName> readQNameSet() throws IOException {
- // Read the children count
- final int count = input.readInt();
- final Set<QName> children = Sets.newHashSetWithExpectedSize(count);
- for (int i = 0; i < count; i++) {
- children.add(readQName());
- }
- return children;
- }
-
+ @Override
AugmentationIdentifier readAugmentationIdentifier() throws IOException {
- return AugmentationIdentifier.create(readQNameSet());
+ return defaultReadAugmentationIdentifier();
}
+ @Override
NodeIdentifier readNodeIdentifier() throws IOException {
return new NodeIdentifier(readQName());
}
-
- private NodeIdentifierWithPredicates readNormalizedNodeWithPredicates() throws IOException {
- final QName qname = readQName();
- final int count = input.readInt();
- switch (count) {
- case 0:
- return NodeIdentifierWithPredicates.of(qname);
- case 1:
- 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);
- final Object[] values = new Object[count];
- for (int i = 0; i < count; i++) {
- keys.add(readQName());
- values[i] = readObject();
- }
-
- return NodeIdentifierWithPredicates.of(qname, ImmutableOffsetMapTemplate.ordered(keys.build())
- .instantiateWithValues(values));
- }
- }
-
- private Object readObject() throws IOException {
- byte objectType = input.readByte();
- switch (objectType) {
- case ValueTypes.BITS_TYPE:
- return readObjSet();
-
- case ValueTypes.BOOL_TYPE:
- return input.readBoolean();
-
- case ValueTypes.BYTE_TYPE:
- return input.readByte();
-
- case ValueTypes.INT_TYPE:
- return input.readInt();
-
- case ValueTypes.LONG_TYPE:
- return input.readLong();
-
- case ValueTypes.QNAME_TYPE:
- return readQName();
-
- case ValueTypes.SHORT_TYPE:
- return input.readShort();
-
- case ValueTypes.STRING_TYPE:
- return input.readUTF();
-
- case ValueTypes.STRING_BYTES_TYPE:
- return readStringBytes();
-
- case ValueTypes.BIG_DECIMAL_TYPE:
- return new BigDecimal(input.readUTF());
-
- case ValueTypes.BIG_INTEGER_TYPE:
- return new BigInteger(input.readUTF());
-
- case ValueTypes.BINARY_TYPE:
- byte[] bytes = new byte[input.readInt()];
- input.readFully(bytes);
- return bytes;
-
- case ValueTypes.YANG_IDENTIFIER_TYPE:
- return readYangInstanceIdentifierInternal();
-
- case ValueTypes.EMPTY_TYPE:
- // Leaf nodes no longer allow null values and thus we no longer emit null values. Previously, the "empty"
- // yang type was represented as null so we translate an incoming null value to Empty. It was possible for
- // a BI user to set a string leaf to null and we're rolling the dice here but the chances for that are
- // very low. We'd have to know the yang type but, even if we did, we can't let a null value pass upstream
- // so we'd have to drop the leaf which might cause other issues.
- case ValueTypes.NULL_TYPE:
- return Empty.getInstance();
-
- default:
- return null;
- }
- }
-
- private String readStringBytes() throws IOException {
- byte[] bytes = new byte[input.readInt()];
- input.readFully(bytes);
- return new String(bytes, StandardCharsets.UTF_8);
- }
-
- @Override
- public SchemaPath readSchemaPath() throws IOException {
- final boolean absolute = input.readBoolean();
- final int size = input.readInt();
-
- final Builder<QName> qnames = ImmutableList.builderWithExpectedSize(size);
- for (int i = 0; i < size; ++i) {
- qnames.add(readQName());
- }
- return SchemaPath.create(qnames.build(), absolute);
- }
-
- @Override
- public YangInstanceIdentifier readYangInstanceIdentifier() throws IOException {
- return readYangInstanceIdentifierInternal();
- }
-
- private YangInstanceIdentifier readYangInstanceIdentifierInternal() throws IOException {
- int size = input.readInt();
- final Builder<PathArgument> pathArguments = ImmutableList.builderWithExpectedSize(size);
- for (int i = 0; i < size; i++) {
- pathArguments.add(readPathArgument());
- }
- return YangInstanceIdentifier.create(pathArguments.build());
- }
-
- private Set<String> readObjSet() throws IOException {
- int count = input.readInt();
- Set<String> children = new HashSet<>(count);
- for (int i = 0; i < count; i++) {
- children.add(readCodedString());
- }
- return children;
- }
-
- @Override
- public PathArgument readPathArgument() throws IOException {
- // read Type
- int type = input.readByte();
-
- switch (type) {
- case PathArgumentTypes.AUGMENTATION_IDENTIFIER:
- return readAugmentationIdentifier();
- case PathArgumentTypes.NODE_IDENTIFIER:
- return readNodeIdentifier();
- case PathArgumentTypes.NODE_IDENTIFIER_WITH_PREDICATES:
- return readNormalizedNodeWithPredicates();
- case PathArgumentTypes.NODE_IDENTIFIER_WITH_VALUE:
- return new NodeWithValue<>(readQName(), readObject());
- default:
- // FIXME: throw hard error
- return null;
- }
- }
}
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-final class NeonSR2NormalizedNodeInputStreamReader extends LithiumNormalizedNodeInputStreamReader {
+/**
+ * Neon SR2 specialization of AbstractLithiumDataInput. Unlike its Lithium counterpart, this format uses coding for
+ * QNameModules, QNames, NodeIdentifiers and AugmentationIdentifiers, thus reducing stream duplication.
+ */
+final class NeonSR2NormalizedNodeInputStreamReader extends AbstractLithiumDataInput {
private final ArrayList<NodeIdentifier> codedNodeIdentifiers = new ArrayList<>();
private final List<AugmentationIdentifier> codedAugments = new ArrayList<>();
private final List<QNameModule> codedModules = new ArrayList<>();
}
@Override
- public NormalizedNodeStreamVersion getVersion() throws IOException {
+ public NormalizedNodeStreamVersion getVersion() {
return NormalizedNodeStreamVersion.NEON_SR2;
}
}
private AugmentationIdentifier rawAugmentId() throws IOException {
- final AugmentationIdentifier aid = super.readAugmentationIdentifier();
+ final AugmentationIdentifier aid = defaultReadAugmentationIdentifier();
codedAugments.add(aid);
return aid;
}
Code Review / controller.git / commitdiff