package org.opendaylight.controller.md.sal.dom.store.impl;
+import java.util.Collections;
+import java.util.Map;
+import java.util.Set;
+
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.dom.store.impl.tree.StoreMetadataNode;
+import org.opendaylight.yangtools.concepts.Identifiable;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.AugmentationIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodeContainer;
+
+import com.google.common.base.Function;
+import com.google.common.base.Strings;
+import com.google.common.collect.FluentIterable;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableMap;
import com.google.common.primitives.UnsignedLong;
public final class StoreUtils {
+ private final static Function<Identifiable<Object>, Object> EXTRACT_IDENTIFIER = new Function<Identifiable<Object>, Object>() {
+
+ @Override
+ public Object apply(final Identifiable<Object> input) {
+ return input.getIdentifier();
+ }
+ };
public static final UnsignedLong increase(final UnsignedLong original) {
return original.plus(UnsignedLong.ONE);
}
+ public static final InstanceIdentifier append(final InstanceIdentifier parent, final PathArgument arg) {
+
+ return new InstanceIdentifier(ImmutableList.<PathArgument> builder().addAll(parent.getPath()).add(arg).build());
+ }
+
+ public static AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> initialChangeEvent(
+ final InstanceIdentifier path, final StoreMetadataNode data) {
+ return new InitialDataChangeEvent(path, data.getData());
+ }
+
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public static <V> Function<Identifiable<V>, V> identifierExtractor() {
+ return (Function) EXTRACT_IDENTIFIER;
+ }
+
+ private static final class InitialDataChangeEvent implements
+ AsyncDataChangeEvent<InstanceIdentifier, NormalizedNode<?, ?>> {
+
+ private final ImmutableMap<InstanceIdentifier, NormalizedNode<?, ?>> payload;
+ private final NormalizedNode<?, ?> data;
+
+ public InitialDataChangeEvent(final InstanceIdentifier path, final NormalizedNode<?, ?> data) {
+ payload = ImmutableMap.<InstanceIdentifier, NormalizedNode<?, ?>> of(path, data);
+ this.data = data;
+ }
+
+ @Override
+ public Map<InstanceIdentifier, NormalizedNode<?, ?>> getCreatedData() {
+ return payload;
+ }
+
+ @Override
+ public Map<InstanceIdentifier, ? extends NormalizedNode<?, ?>> getOriginalData() {
+ return Collections.emptyMap();
+ }
+
+ @Override
+ public NormalizedNode<?, ?> getOriginalSubtree() {
+ return null;
+ }
+
+ @Override
+ public Set<InstanceIdentifier> getRemovedPaths() {
+ return Collections.emptySet();
+ }
+
+ @Override
+ public Map<InstanceIdentifier, NormalizedNode<?, ?>> getUpdatedData() {
+ return payload;
+ }
+
+ @Override
+ public NormalizedNode<?, ?> getUpdatedSubtree() {
+ return data;
+ }
+
+ }
+
+ public static <V> Set<V> toIdentifierSet(final Iterable<? extends Identifiable<V>> children) {
+ return FluentIterable.from(children).transform(StoreUtils.<V> identifierExtractor()).toSet();
+ }
+
+ public static String toStringTree(final StoreMetadataNode metaNode) {
+ StringBuilder builder = new StringBuilder();
+ toStringTree(builder, metaNode, 0);
+ return builder.toString();
+ }
+ private static void toStringTree(final StringBuilder builder, final StoreMetadataNode metaNode, final int offset) {
+ String prefix = Strings.repeat(" ", offset);
+ builder.append(prefix).append(toStringTree(metaNode.getIdentifier()));
+ NormalizedNode<?, ?> dataNode = metaNode.getData();
+ if (dataNode instanceof NormalizedNodeContainer<?, ?, ?>) {
+ builder.append(" {").append("\n");
+ for (StoreMetadataNode child : metaNode.getChildren()) {
+ toStringTree(builder, child, offset + 4);
+ }
+ builder.append(prefix).append("}");
+ } else {
+ builder.append(" ").append(dataNode.getValue());
+ }
+ builder.append("\n");
+ }
+ private static String toStringTree(final PathArgument identifier) {
+ if (identifier instanceof NodeIdentifierWithPredicates) {
+ StringBuilder builder = new StringBuilder();
+ builder.append(identifier.getNodeType().getLocalName());
+ builder.append(((NodeIdentifierWithPredicates) identifier).getKeyValues().values());
+ return builder.toString();
+ } else if (identifier instanceof AugmentationIdentifier) {
+ return "augmentation";
+ }
+ return identifier.getNodeType().getLocalName();
+ }
}