*/
package org.opendaylight.controller.cluster.datastore.node.utils.stream;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Preconditions.checkState;
import static com.google.common.base.Verify.verifyNotNull;
import static java.util.Objects.requireNonNull;
import com.google.common.annotations.VisibleForTesting;
import com.google.common.collect.ImmutableMap;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.io.DataOutput;
import java.io.IOException;
+import java.io.StringWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
+import java.util.Map.Entry;
import java.util.Optional;
import java.util.Set;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.yang.common.Empty;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.common.Revision;
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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* "original" type mapping. Baseline is Lithium but it really was introduced in Oxygen, where {@code type empty} was
* knowledge.
*/
abstract class AbstractLithiumDataOutput extends AbstractNormalizedNodeDataOutput {
+ private static final Logger LOG = LoggerFactory.getLogger(AbstractLithiumDataOutput.class);
+ private static final TransformerFactory TF = TransformerFactory.newInstance();
private static final ImmutableMap<Class<?>, Byte> KNOWN_TYPES = ImmutableMap.<Class<?>, Byte>builder()
.put(String.class, ValueTypes.STRING_TYPE)
.put(Byte.class, ValueTypes.BYTE_TYPE)
.put(Empty.class, ValueTypes.EMPTY_TYPE)
.build();
-
private final Map<String, Integer> stringCodeMap = new HashMap<>();
+ private QName lastLeafSetQName;
+ private boolean inSimple;
+
AbstractLithiumDataOutput(final DataOutput output) {
super(output);
}
@Override
- final void writeObject(final DataOutput rawOuput, final Object value) throws IOException {
+ public final void startLeafNode(final NodeIdentifier name) throws IOException {
+ LOG.trace("Starting a new leaf node");
+ startNode(name, NodeTypes.LEAF_NODE);
+ inSimple = true;
+ }
+
+ @Override
+ public final void startLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new leaf set");
+ commonStartLeafSet(name, NodeTypes.LEAF_SET);
+ }
+
+ @Override
+ public final void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new ordered leaf set");
+ commonStartLeafSet(name, NodeTypes.ORDERED_LEAF_SET);
+ }
+
+ private void commonStartLeafSet(final NodeIdentifier name, final byte nodeType) throws IOException {
+ startNode(name, nodeType);
+ lastLeafSetQName = name.getNodeType();
+ }
+
+ @Override
+ public final void startLeafSetEntryNode(final NodeWithValue<?> name) throws IOException {
+ LOG.trace("Starting a new leaf set entry node");
+
+ output.writeByte(NodeTypes.LEAF_SET_ENTRY_NODE);
+
+ // lastLeafSetQName is set if the parent LeafSetNode was previously written. Otherwise this is a
+ // stand alone LeafSetEntryNode so write out it's name here.
+ if (lastLeafSetQName == null) {
+ writeQNameInternal(name.getNodeType());
+ }
+ inSimple = true;
+ }
+
+ @Override
+ public final void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new container node");
+ startNode(name, NodeTypes.CONTAINER_NODE);
+ }
+
+ @Override
+ public final void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint)
+ throws IOException {
+ LOG.trace("Starting a new yang modeled anyXml node");
+ startNode(name, NodeTypes.YANG_MODELED_ANY_XML_NODE);
+ }
+
+ @Override
+ public final void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new unkeyed list");
+ startNode(name, NodeTypes.UNKEYED_LIST);
+ }
+
+ @Override
+ public final void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new unkeyed list item");
+ startNode(name, NodeTypes.UNKEYED_LIST_ITEM);
+ }
+
+ @Override
+ public final void startMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new map node");
+ startNode(name, NodeTypes.MAP_NODE);
+ }
+
+ @Override
+ public final void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint)
+ throws IOException {
+ LOG.trace("Starting a new map entry node");
+ startNode(identifier, NodeTypes.MAP_ENTRY_NODE);
+ writeKeyValueMap(identifier.entrySet());
+ }
+
+ @Override
+ public final void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new ordered map node");
+ startNode(name, NodeTypes.ORDERED_MAP_NODE);
+ }
+
+ @Override
+ public final void startChoiceNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
+ LOG.trace("Starting a new choice node");
+ startNode(name, NodeTypes.CHOICE_NODE);
+ }
+
+ @Override
+ public final void startAugmentationNode(final AugmentationIdentifier identifier) throws IOException {
+ requireNonNull(identifier, "Node identifier should not be null");
+ LOG.trace("Starting a new augmentation node");
+
+ output.writeByte(NodeTypes.AUGMENTATION_NODE);
+ writeAugmentationIdentifier(identifier);
+ }
+
+ @Override
+ public final void startAnyxmlNode(final NodeIdentifier name) throws IOException {
+ LOG.trace("Starting any xml node");
+ startNode(name, NodeTypes.ANY_XML_NODE);
+ inSimple = true;
+ }
+
+ @Override
+ public final void scalarValue(final Object value) throws IOException {
+ writeObject(value);
+ }
+
+ @Override
+ public final void domSourceValue(final DOMSource value) throws IOException {
+ final StringWriter writer = new StringWriter();
+ try {
+ TF.newTransformer().transform(value, new StreamResult(writer));
+ } catch (TransformerException e) {
+ throw new IOException("Error writing anyXml", e);
+ }
+ writeObject(writer.toString());
+ }
+
+ @Override
+ public final void endNode() throws IOException {
+ LOG.trace("Ending the node");
+ if (!inSimple) {
+ lastLeafSetQName = null;
+ output.writeByte(NodeTypes.END_NODE);
+ }
+ inSimple = false;
+ }
+
+ @Override
+ @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST",
+ justification = "The casts in the switch clauses are indirectly confirmed via the determination of 'type'.")
+ final void writePathArgumentInternal(final PathArgument pathArgument) throws IOException {
+ final byte type = PathArgumentTypes.getSerializablePathArgumentType(pathArgument);
+ output.writeByte(type);
+
+ switch (type) {
+ case PathArgumentTypes.NODE_IDENTIFIER:
+ NodeIdentifier nodeIdentifier = (NodeIdentifier) pathArgument;
+ writeQNameInternal(nodeIdentifier.getNodeType());
+ break;
+ case PathArgumentTypes.NODE_IDENTIFIER_WITH_PREDICATES:
+ NodeIdentifierWithPredicates nodeIdentifierWithPredicates =
+ (NodeIdentifierWithPredicates) pathArgument;
+ writeQNameInternal(nodeIdentifierWithPredicates.getNodeType());
+ writeKeyValueMap(nodeIdentifierWithPredicates.entrySet());
+ break;
+ case PathArgumentTypes.NODE_IDENTIFIER_WITH_VALUE:
+ NodeWithValue<?> nodeWithValue = (NodeWithValue<?>) pathArgument;
+ writeQNameInternal(nodeWithValue.getNodeType());
+ writeObject(nodeWithValue.getValue());
+ break;
+ case PathArgumentTypes.AUGMENTATION_IDENTIFIER:
+ // No Qname in augmentation identifier
+ writeAugmentationIdentifier((AugmentationIdentifier) pathArgument);
+ break;
+ default:
+ throw new IllegalStateException("Unknown node identifier type is found : "
+ + pathArgument.getClass().toString());
+ }
+ }
+
+ @Override
+ final void writeYangInstanceIdentifierInternal(final YangInstanceIdentifier identifier) throws IOException {
+ List<PathArgument> pathArguments = identifier.getPathArguments();
+ output.writeInt(pathArguments.size());
+
+ for (PathArgument pathArgument : pathArguments) {
+ writePathArgumentInternal(pathArgument);
+ }
+ }
+
+ final void defaultWriteAugmentationIdentifier(final @NonNull AugmentationIdentifier aid) throws IOException {
+ final Set<QName> qnames = aid.getPossibleChildNames();
+ // Write each child's qname separately, if list is empty send count as 0
+ if (!qnames.isEmpty()) {
+ output.writeInt(qnames.size());
+ for (QName qname : qnames) {
+ writeQNameInternal(qname);
+ }
+ } else {
+ LOG.debug("augmentation node does not have any child");
+ output.writeInt(0);
+ }
+ }
+
+ final void defaultWriteQName(final QName qname) throws IOException {
+ writeString(qname.getLocalName());
+ writeModule(qname.getModule());
+ }
+
+ final void defaultWriteModule(final QNameModule module) throws IOException {
+ writeString(module.getNamespace().toString());
+ final Optional<Revision> revision = module.getRevision();
+ if (revision.isPresent()) {
+ writeString(revision.get().toString());
+ } else {
+ writeByte(LithiumTokens.IS_NULL_VALUE);
+ }
+ }
+
+ abstract void writeModule(QNameModule module) throws IOException;
+
+ abstract void writeAugmentationIdentifier(@NonNull AugmentationIdentifier aid) throws IOException;
+
+ private void startNode(final PathArgument arg, final byte nodeType) throws IOException {
+ requireNonNull(arg, "Node identifier should not be null");
+ checkState(!inSimple, "Attempted to start a child in a simple node");
+
+ // First write the type of node
+ output.writeByte(nodeType);
+ // Write Start Tag
+ writeQNameInternal(arg.getNodeType());
+ }
+
+ private void writeObjSet(final Set<?> set) throws IOException {
+ output.writeInt(set.size());
+ for (Object o : set) {
+ checkArgument(o instanceof String, "Expected value type to be String but was %s (%s)", o.getClass(), o);
+ writeString((String) o);
+ }
+ }
+
+ private void writeObject(final Object value) throws IOException {
byte type = getSerializableType(value);
// Write object type first
- rawOuput.writeByte(type);
+ output.writeByte(type);
switch (type) {
case ValueTypes.BOOL_TYPE:
- rawOuput.writeBoolean((Boolean) value);
+ output.writeBoolean((Boolean) value);
break;
case ValueTypes.QNAME_TYPE:
- writeQName((QName) value);
+ writeQNameInternal((QName) value);
break;
case ValueTypes.INT_TYPE:
- rawOuput.writeInt((Integer) value);
+ output.writeInt((Integer) value);
break;
case ValueTypes.BYTE_TYPE:
- rawOuput.writeByte((Byte) value);
+ output.writeByte((Byte) value);
break;
case ValueTypes.LONG_TYPE:
- rawOuput.writeLong((Long) value);
+ output.writeLong((Long) value);
break;
case ValueTypes.SHORT_TYPE:
- rawOuput.writeShort((Short) value);
+ output.writeShort((Short) value);
break;
case ValueTypes.BITS_TYPE:
writeObjSet((Set<?>) value);
break;
case ValueTypes.BINARY_TYPE:
byte[] bytes = (byte[]) value;
- rawOuput.writeInt(bytes.length);
- rawOuput.write(bytes);
+ output.writeInt(bytes.length);
+ output.write(bytes);
break;
case ValueTypes.YANG_IDENTIFIER_TYPE:
writeYangInstanceIdentifierInternal((YangInstanceIdentifier) value);
break;
case ValueTypes.STRING_BYTES_TYPE:
final byte[] valueBytes = value.toString().getBytes(StandardCharsets.UTF_8);
- rawOuput.writeInt(valueBytes.length);
- rawOuput.write(valueBytes);
+ output.writeInt(valueBytes.length);
+ output.write(valueBytes);
break;
default:
- rawOuput.writeUTF(value.toString());
+ output.writeUTF(value.toString());
break;
}
}
- final void defaultWriteQName(final QName qname) throws IOException {
- writeString(qname.getLocalName());
- writeModule(qname.getModule());
- }
-
- final void defaultWriteModule(final QNameModule module) throws IOException {
- writeString(module.getNamespace().toString());
- final Optional<Revision> revision = module.getRevision();
- if (revision.isPresent()) {
- writeString(revision.get().toString());
+ private void writeKeyValueMap(final Set<Entry<QName, Object>> entrySet) throws IOException {
+ if (!entrySet.isEmpty()) {
+ output.writeInt(entrySet.size());
+ for (Entry<QName, Object> entry : entrySet) {
+ writeQNameInternal(entry.getKey());
+ writeObject(entry.getValue());
+ }
} else {
- writeByte(TokenTypes.IS_NULL_VALUE);
+ output.writeInt(0);
}
}
- @Override
- protected final void writeString(final @NonNull String string) throws IOException {
+ private void writeString(final @NonNull String string) throws IOException {
final Integer value = stringCodeMap.get(verifyNotNull(string));
if (value == null) {
stringCodeMap.put(string, stringCodeMap.size());
- writeByte(TokenTypes.IS_STRING_VALUE);
+ writeByte(LithiumTokens.IS_STRING_VALUE);
writeUTF(string);
} else {
- writeByte(TokenTypes.IS_CODE_VALUE);
+ writeByte(LithiumTokens.IS_CODE_VALUE);
writeInt(value);
}
}
- abstract void writeModule(QNameModule module) throws IOException;
-
@VisibleForTesting
static final byte getSerializableType(final Object node) {
final Byte type = KNOWN_TYPES.get(requireNonNull(node).getClass());
Code Review / controller.git / blobdiff