X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-clustering-commons%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fnode%2Futils%2Fstream%2FAbstractNormalizedNodeDataOutput.java;h=d8e021fc6095e924876f8441225f6dd69778404e;hp=863fd0c8af94f6cc9ed26a073feb5ca3e7eca94f;hb=ae6c61499e2c7c76e0406ce397657cd31ddd4d3f;hpb=3859df9beca8f13f1ff2b2744ed3470a1715bec3 diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/AbstractNormalizedNodeDataOutput.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/AbstractNormalizedNodeDataOutput.java index 863fd0c8af..d8e021fc60 100755 --- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/AbstractNormalizedNodeDataOutput.java +++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/AbstractNormalizedNodeDataOutput.java @@ -7,52 +7,43 @@ */ 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 java.util.Objects.requireNonNull; -import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; import java.io.DataOutput; import java.io.IOException; import java.io.OutputStream; -import java.io.StringWriter; -import java.nio.charset.StandardCharsets; -import java.util.Collection; -import java.util.Map.Entry; -import java.util.Set; -import javax.xml.transform.TransformerException; -import javax.xml.transform.TransformerFactory; -import javax.xml.transform.TransformerFactoryConfigurationError; -import javax.xml.transform.dom.DOMSource; -import javax.xml.transform.stream.StreamResult; +import java.util.List; +import org.eclipse.jdt.annotation.NonNull; 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.NormalizedNode; import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter; import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter; import org.opendaylight.yangtools.yang.model.api.SchemaPath; -import org.slf4j.Logger; -import org.slf4j.LoggerFactory; +/** + * Abstract base class for implementing {@link NormalizedNodeDataOutput} contract. This class uses + * {@link NormalizedNodeStreamWriter} as an internal interface for performing the actual NormalizedNode writeout, + * i.e. it will defer to a {@link NormalizedNodeWriter} instance. + * + *
+ * As such, this is an implementation detail not exposed from this package, hence implementations can rely on the
+ * stream being initialized with a header and version.
+ */
abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOutput, NormalizedNodeStreamWriter {
- private static final Logger LOG = LoggerFactory.getLogger(AbstractNormalizedNodeDataOutput.class);
-
- private final DataOutput output;
+ // Visible for subclasses
+ final DataOutput output;
private NormalizedNodeWriter normalizedNodeWriter;
private boolean headerWritten;
- private QName lastLeafSetQName;
- private boolean inSimple;
AbstractNormalizedNodeDataOutput(final DataOutput output) {
this.output = requireNonNull(output);
}
+
private void ensureHeaderWritten() throws IOException {
if (!headerWritten) {
output.writeByte(TokenTypes.SIGNATURE_MARKER);
@@ -61,10 +52,6 @@ abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOut
}
}
- protected abstract short streamVersion();
-
- protected abstract void writeString(String string) throws IOException;
-
@Override
public final void write(final int value) throws IOException {
ensureHeaderWritten();
@@ -149,173 +136,47 @@ abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOut
output.writeUTF(str);
}
- private NormalizedNodeWriter normalizedNodeWriter() {
- if (normalizedNodeWriter == null) {
- normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(this);
- }
-
- return normalizedNodeWriter;
- }
-
@Override
- public void writeNormalizedNode(final NormalizedNode, ?> node) throws IOException {
+ public final void writeQName(final QName qname) throws IOException {
ensureHeaderWritten();
- normalizedNodeWriter().write(node);
+ writeQNameInternal(qname);
}
@Override
- public void startLeafNode(final NodeIdentifier name) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new leaf node");
- startNode(name.getNodeType(), NodeTypes.LEAF_NODE);
- inSimple = true;
- }
-
- @Override
- public void startLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new leaf set");
-
- lastLeafSetQName = name.getNodeType();
- startNode(name.getNodeType(), NodeTypes.LEAF_SET);
- }
-
- @Override
- public void startOrderedLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new ordered leaf set");
-
- lastLeafSetQName = name.getNodeType();
- startNode(name.getNodeType(), NodeTypes.ORDERED_LEAF_SET);
- }
-
- @Override
- public 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) {
- writeQName(name.getNodeType());
+ public final void writeNormalizedNode(final NormalizedNode, ?> node) throws IOException {
+ ensureHeaderWritten();
+ if (normalizedNodeWriter == null) {
+ normalizedNodeWriter = NormalizedNodeWriter.forStreamWriter(this);
}
- inSimple = true;
+ normalizedNodeWriter.write(node);
}
@Override
- public void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
-
- LOG.trace("Starting a new container node");
-
- startNode(name.getNodeType(), NodeTypes.CONTAINER_NODE);
- }
-
- @Override
- public void startYangModeledAnyXmlNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
-
- LOG.trace("Starting a new yang modeled anyXml node");
-
- startNode(name.getNodeType(), NodeTypes.YANG_MODELED_ANY_XML_NODE);
- }
-
- @Override
- public void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new unkeyed list");
-
- startNode(name.getNodeType(), NodeTypes.UNKEYED_LIST);
- }
-
- @Override
- public void startUnkeyedListItem(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new unkeyed list item");
-
- startNode(name.getNodeType(), NodeTypes.UNKEYED_LIST_ITEM);
- }
-
- @Override
- public void startMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new map node");
-
- startNode(name.getNodeType(), NodeTypes.MAP_NODE);
- }
-
- @Override
- public void startMapEntryNode(final NodeIdentifierWithPredicates identifier, final int childSizeHint)
- throws IOException {
- requireNonNull(identifier, "Node identifier should not be null");
- LOG.trace("Starting a new map entry node");
- startNode(identifier.getNodeType(), NodeTypes.MAP_ENTRY_NODE);
-
- writeKeyValueMap(identifier.entrySet());
- }
-
- @Override
- public void startOrderedMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new ordered map node");
-
- startNode(name.getNodeType(), NodeTypes.ORDERED_MAP_NODE);
- }
-
- @Override
- public void startChoiceNode(final NodeIdentifier name, final int childSizeHint) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting a new choice node");
-
- startNode(name.getNodeType(), NodeTypes.CHOICE_NODE);
- }
-
- @Override
- public 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 void startAnyxmlNode(final NodeIdentifier name) throws IOException {
- requireNonNull(name, "Node identifier should not be null");
- LOG.trace("Starting any xml node");
- startNode(name.getNodeType(), NodeTypes.ANY_XML_NODE);
- inSimple = true;
+ public final void writePathArgument(final PathArgument pathArgument) throws IOException {
+ ensureHeaderWritten();
+ writePathArgumentInternal(pathArgument);
}
@Override
- public void scalarValue(final Object value) throws IOException {
- writeObject(value);
+ public final void writeYangInstanceIdentifier(final YangInstanceIdentifier identifier) throws IOException {
+ ensureHeaderWritten();
+ writeYangInstanceIdentifierInternal(identifier);
}
@Override
- public void domSourceValue(final DOMSource value) throws IOException {
- try {
- StreamResult xmlOutput = new StreamResult(new StringWriter());
- TransformerFactory.newInstance().newTransformer().transform(value, xmlOutput);
- writeObject(xmlOutput.getWriter().toString());
- } catch (TransformerException | TransformerFactoryConfigurationError e) {
- throw new IOException("Error writing anyXml", e);
- }
- }
+ public final void writeSchemaPath(final SchemaPath path) throws IOException {
+ ensureHeaderWritten();
- @Override
- public void endNode() throws IOException {
- LOG.trace("Ending the node");
- if (!inSimple) {
- lastLeafSetQName = null;
- output.writeByte(NodeTypes.END_NODE);
+ output.writeBoolean(path.isAbsolute());
+ final List