1 package org.opendaylight.controller.md.sal.dom.store.impl;
3 import java.util.Collections;
7 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
8 import org.opendaylight.controller.md.sal.dom.store.impl.tree.StoreMetadataNode;
9 import org.opendaylight.yangtools.concepts.Identifiable;
10 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
11 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.AugmentationIdentifier;
12 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
13 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
14 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
15 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
17 import com.google.common.base.Function;
18 import com.google.common.base.Strings;
19 import com.google.common.collect.FluentIterable;
20 import com.google.common.collect.ImmutableList;
21 import com.google.common.collect.ImmutableMap;
22 import com.google.common.primitives.UnsignedLong;
24 public final class StoreUtils {
26 private final static Function<Identifiable<Object>, Object> EXTRACT_IDENTIFIER = new Function<Identifiable<Object>, Object>() {
29 public Object apply(final Identifiable<Object> input) {
30 return input.getIdentifier();
34 public static final UnsignedLong increase(final UnsignedLong original) {
35 return original.plus(UnsignedLong.ONE);
38 public static final InstanceIdentifier append(final InstanceIdentifier parent, final PathArgument arg) {
40 return new InstanceIdentifier(ImmutableList.<PathArgument> builder().addAll(parent.getPath()).add(arg).build());
43 public static AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> initialChangeEvent(
44 final InstanceIdentifier path, final StoreMetadataNode data) {
45 return new InitialDataChangeEvent(path, data.getData());
48 @SuppressWarnings({ "unchecked", "rawtypes" })
49 public static <V> Function<Identifiable<V>, V> identifierExtractor() {
50 return (Function) EXTRACT_IDENTIFIER;
53 private static final class InitialDataChangeEvent implements
54 AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> {
56 private final ImmutableMap<InstanceIdentifier, NormalizedNode<?, ?>> payload;
57 private final NormalizedNode<?, ?> data;
59 public InitialDataChangeEvent(final InstanceIdentifier path, final NormalizedNode<?, ?> data) {
60 payload = ImmutableMap.<InstanceIdentifier, NormalizedNode<?, ?>> of(path, data);
65 public Map<InstanceIdentifier, NormalizedNode<?, ?>> getCreatedData() {
70 public Map<InstanceIdentifier, ? extends NormalizedNode<?, ?>> getOriginalData() {
71 return Collections.emptyMap();
75 public NormalizedNode<?, ?> getOriginalSubtree() {
80 public Set<InstanceIdentifier> getRemovedPaths() {
81 return Collections.emptySet();
85 public Map<InstanceIdentifier, NormalizedNode<?, ?>> getUpdatedData() {
90 public NormalizedNode<?, ?> getUpdatedSubtree() {
96 public static <V> Set<V> toIdentifierSet(final Iterable<? extends Identifiable<V>> children) {
97 return FluentIterable.from(children).transform(StoreUtils.<V> identifierExtractor()).toSet();
100 public static String toStringTree(final StoreMetadataNode metaNode) {
101 StringBuilder builder = new StringBuilder();
102 toStringTree(builder, metaNode, 0);
103 return builder.toString();
107 private static void toStringTree(final StringBuilder builder, final StoreMetadataNode metaNode, final int offset) {
108 String prefix = Strings.repeat(" ", offset);
109 builder.append(prefix).append(toStringTree(metaNode.getIdentifier()));
110 NormalizedNode<?, ?> dataNode = metaNode.getData();
111 if (dataNode instanceof NormalizedNodeContainer<?, ?, ?>) {
112 builder.append(" {").append("\n");
113 for (StoreMetadataNode child : metaNode.getChildren()) {
114 toStringTree(builder, child, offset + 4);
116 builder.append(prefix).append("}");
118 builder.append(" ").append(dataNode.getValue());
120 builder.append("\n");
123 private static String toStringTree(final PathArgument identifier) {
124 if (identifier instanceof NodeIdentifierWithPredicates) {
125 StringBuilder builder = new StringBuilder();
126 builder.append(identifier.getNodeType().getLocalName());
127 builder.append(((NodeIdentifierWithPredicates) identifier).getKeyValues().values());
128 return builder.toString();
129 } else if (identifier instanceof AugmentationIdentifier) {
130 return "augmentation";
132 return identifier.getNodeType().getLocalName();