X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-clustering-commons%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2Fnode%2Futils%2Fstream%2FAbstractNormalizedNodeDataOutput.java;h=7907fcfc9f493c23d08737e4649f40d3d7140ed8;hb=bd7cfec55803f40773eda2412e7b93a3fefd3f9c;hp=bb6e97a00e2b36f4460004e0ff2074b352ee0310;hpb=1165ba34382d4c99394e64d71ffee783d6a8fe82;p=controller.git 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 bb6e97a00e..7907fcfc9f 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 @@ -7,37 +7,20 @@ */ 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.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 @@ -49,22 +32,16 @@ import org.slf4j.LoggerFactory; * 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); } - final DataOutput output() { - return output; - } private void ensureHeaderWritten() throws IOException { if (!headerWritten) { @@ -188,9 +165,9 @@ abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOut @Override public final void writeSchemaPath(final SchemaPath path) throws IOException { ensureHeaderWritten(); - output.writeBoolean(path.isAbsolute()); - final Collection qnames = path.getPath(); + output.writeBoolean(path.isAbsolute()); + final List qnames = path.getPath(); output.writeInt(qnames.size()); for (QName qname : qnames) { writeQNameInternal(qname); @@ -202,136 +179,6 @@ abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOut flush(); } - @Override - public void startLeafNode(final NodeIdentifier name) throws IOException { - LOG.trace("Starting a new leaf node"); - startNode(name, NodeTypes.LEAF_NODE); - inSimple = true; - } - - @Override - public void startLeafSet(final NodeIdentifier name, final int childSizeHint) throws IOException { - LOG.trace("Starting a new leaf set"); - commonStartLeafSet(name, NodeTypes.LEAF_SET); - } - - @Override - public 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 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 void startContainerNode(final NodeIdentifier name, final int childSizeHint) throws IOException { - LOG.trace("Starting a new container node"); - startNode(name, NodeTypes.CONTAINER_NODE); - } - - @Override - public 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 void startUnkeyedList(final NodeIdentifier name, final int childSizeHint) throws IOException { - LOG.trace("Starting a new unkeyed list"); - startNode(name, NodeTypes.UNKEYED_LIST); - } - - @Override - public 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 void startMapNode(final NodeIdentifier name, final int childSizeHint) throws IOException { - LOG.trace("Starting a new map node"); - startNode(name, NodeTypes.MAP_NODE); - } - - @Override - public 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 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 void startChoiceNode(final NodeIdentifier name, final int childSizeHint) throws IOException { - LOG.trace("Starting a new choice node"); - startNode(name, 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 { - LOG.trace("Starting any xml node"); - startNode(name, NodeTypes.ANY_XML_NODE); - inSimple = true; - } - - @Override - public void scalarValue(final Object value) throws IOException { - writeObject(value); - } - - @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); - } - } - - @Override - public void endNode() throws IOException { - LOG.trace("Ending the node"); - if (!inSimple) { - lastLeafSetQName = null; - output.writeByte(NodeTypes.END_NODE); - } - inSimple = false; - } - @Override public void flush() throws IOException { if (output instanceof OutputStream) { @@ -339,102 +186,11 @@ abstract class AbstractNormalizedNodeDataOutput implements NormalizedNodeDataOut } } - 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()); - } - - final 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); - } - } - - final void writeYangInstanceIdentifierInternal(final YangInstanceIdentifier identifier) throws IOException { - Collection pathArguments = identifier.getPathArguments(); - output.writeInt(pathArguments.size()); - - for (PathArgument pathArgument : pathArguments) { - writePathArgumentInternal(pathArgument); - } - } - - @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()); - } - } - - private void writeKeyValueMap(final Set> entrySet) throws IOException { - if (!entrySet.isEmpty()) { - output.writeInt(entrySet.size()); - for (Entry entry : entrySet) { - writeQNameInternal(entry.getKey()); - writeObject(entry.getValue()); - } - } else { - output.writeInt(0); - } - } - - final void defaultWriteAugmentationIdentifier(final @NonNull AugmentationIdentifier aid) throws IOException { - final Set 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); - } - } - abstract short streamVersion(); - abstract void writeString(@NonNull String string) throws IOException; - abstract void writeQNameInternal(@NonNull QName qname) throws IOException; - abstract void writeAugmentationIdentifier(@NonNull AugmentationIdentifier aid) throws IOException; + abstract void writePathArgumentInternal(PathArgument pathArgument) throws IOException; - abstract void writeObject(@NonNull DataOutput output, @NonNull Object value) throws IOException; - - private void writeObject(final Object value) throws IOException { - writeObject(output, value); - } + abstract void writeYangInstanceIdentifierInternal(YangInstanceIdentifier identifier) throws IOException; }