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%2FLithiumNormalizedNodeInputStreamReader.java;h=871f371aa73129ef1be8a2041c62bec01c348d8b;hp=b652c1437cece87ba1576c8df4cddfa61eff38d9;hb=fba327c801062a6e802f212a0e8b6efee2f6a90e;hpb=c8121ea6b5bf54c43777afe6a747be40637e1f42 diff --git a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/LithiumNormalizedNodeInputStreamReader.java b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/LithiumNormalizedNodeInputStreamReader.java index b652c1437c..871f371aa7 100755 --- a/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/LithiumNormalizedNodeInputStreamReader.java +++ b/opendaylight/md-sal/sal-clustering-commons/src/main/java/org/opendaylight/controller/cluster/datastore/node/utils/stream/LithiumNormalizedNodeInputStreamReader.java @@ -7,425 +7,44 @@ */ 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.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.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 codedStringMap = new ArrayList<>(); - - private QName lastLeafSetQName; - - private NormalizedNodeBuilder> leafBuilder; - - @SuppressWarnings("rawtypes") - private NormalizedNodeBuilder> leafSetEntryBuilder; - +final class LithiumNormalizedNodeInputStreamReader extends AbstractLithiumDataInput { LithiumNormalizedNodeInputStreamReader(final DataInput input) { - this.input = requireNonNull(input); - } - - @Override - final DataInput delegate() { - return input; + super(input); } @Override - public NormalizedNodeStreamVersion getVersion() throws IOException { + public NormalizedNodeStreamVersion getVersion() { return NormalizedNodeStreamVersion.LITHIUM; } @Override - public NormalizedNode readNormalizedNode() throws IOException { - return readNormalizedNodeInternal(); - } - - 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; - } - - switch (nodeType) { - case NodeTypes.AUGMENTATION_NODE: - AugmentationIdentifier augIdentifier = readAugmentationIdentifier(); - LOG.trace("Reading augmentation node {} ", augIdentifier); - return addDataContainerChildren(Builders.augmentationBuilder().withNodeIdentifier(augIdentifier)) - .build(); - - case NodeTypes.LEAF_SET_ENTRY_NODE: - final QName name = lastLeafSetQName != null ? lastLeafSetQName : readQName(); - final Object value = readObject(); - final NodeWithValue leafIdentifier = new NodeWithValue<>(name, value); - LOG.trace("Reading leaf set entry node {}, value {}", leafIdentifier, value); - return leafSetEntryBuilder().withNodeIdentifier(leafIdentifier).withValue(value).build(); - - case NodeTypes.MAP_ENTRY_NODE: - final NodeIdentifierWithPredicates entryIdentifier = readNormalizedNodeWithPredicates(); - LOG.trace("Reading map entry node {} ", entryIdentifier); - return addDataContainerChildren(Builders.mapEntryBuilder().withNodeIdentifier(entryIdentifier)) - .build(); - - default: - return readNodeIdentifierDependentNode(nodeType, readNodeIdentifier()); - } - } - - private NormalizedNodeBuilder> leafBuilder() { - if (leafBuilder == null) { - leafBuilder = Builders.leafBuilder(); - } - - return leafBuilder; - } - - @SuppressWarnings("rawtypes") - private NormalizedNodeBuilder> leafSetEntryBuilder() { - if (leafSetEntryBuilder == null) { - leafSetEntryBuilder = Builders.leafSetEntryBuilder(); - } - - return leafSetEntryBuilder; - } - - private NormalizedNode readNodeIdentifierDependentNode(final byte nodeType, final NodeIdentifier identifier) - throws IOException { - - switch (nodeType) { - case NodeTypes.LEAF_NODE: - LOG.trace("Read leaf node {}", identifier); - // Read the object value - return leafBuilder().withNodeIdentifier(identifier).withValue(readObject()).build(); - - case NodeTypes.ANY_XML_NODE: - LOG.trace("Read xml node"); - return Builders.anyXmlBuilder().withNodeIdentifier(identifier).withValue(readDOMSource()).build(); - - case NodeTypes.MAP_NODE: - LOG.trace("Read map node {}", identifier); - return addDataContainerChildren(Builders.mapBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.CHOICE_NODE: - LOG.trace("Read choice node {}", identifier); - return addDataContainerChildren(Builders.choiceBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.ORDERED_MAP_NODE: - LOG.trace("Reading ordered map node {}", identifier); - return addDataContainerChildren(Builders.orderedMapBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.UNKEYED_LIST: - LOG.trace("Read unkeyed list node {}", identifier); - return addDataContainerChildren(Builders.unkeyedListBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.UNKEYED_LIST_ITEM: - LOG.trace("Read unkeyed list item node {}", identifier); - return addDataContainerChildren(Builders.unkeyedListEntryBuilder() - .withNodeIdentifier(identifier)).build(); - - case NodeTypes.CONTAINER_NODE: - LOG.trace("Read container node {}", identifier); - return addDataContainerChildren(Builders.containerBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.LEAF_SET: - LOG.trace("Read leaf set node {}", identifier); - return addLeafSetChildren(identifier.getNodeType(), - Builders.leafSetBuilder().withNodeIdentifier(identifier)).build(); - - case NodeTypes.ORDERED_LEAF_SET: - LOG.trace("Read ordered leaf set node {}", identifier); - return addLeafSetChildren(identifier.getNodeType(), - Builders.orderedLeafSetBuilder().withNodeIdentifier(identifier)).build(); - - default: - return null; - } - } - - 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); - } - } - - QName readQName() throws IOException { + 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)); - } - - - private 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 readQNameSet() throws IOException { - // Read the children count - final int count = input.readInt(); - final Set children = Sets.newHashSetWithExpectedSize(count); - for (int i = 0; i < count; i++) { - children.add(readQName()); - } - return children; + return QNameFactory.create(localName, namespace, revision); } + @Override AugmentationIdentifier readAugmentationIdentifier() throws IOException { - return new AugmentationIdentifier(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 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 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 pathArguments = ImmutableList.builderWithExpectedSize(size); - for (int i = 0; i < size; i++) { - pathArguments.add(readPathArgument()); - } - return YangInstanceIdentifier.create(pathArguments.build()); - } - - private Set readObjSet() throws IOException { - int count = input.readInt(); - Set 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; - } - } - - @SuppressWarnings("unchecked") - private ListNodeBuilder> addLeafSetChildren(final QName nodeType, - final ListNodeBuilder> builder) throws IOException { - - LOG.trace("Reading children of leaf set"); - - lastLeafSetQName = nodeType; - - LeafSetEntryNode child = (LeafSetEntryNode)readNormalizedNodeInternal(); - - while (child != null) { - builder.withChild(child); - child = (LeafSetEntryNode)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; - } }