/*
+ * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
*
- * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
*/
-
package org.opendaylight.controller.cluster.datastore.node.utils;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;
import com.google.common.cache.LoadingCache;
+import java.net.URI;
+import java.util.Objects;
+import java.util.concurrent.ExecutionException;
+import org.eclipse.jdt.annotation.NonNull;
+import org.eclipse.jdt.annotation.Nullable;
+import org.opendaylight.yangtools.concepts.Immutable;
import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.common.QNameModule;
+import org.opendaylight.yangtools.yang.common.Revision;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+
+public final class QNameFactory {
+ private static final class StringQName implements Immutable {
+ private final @NonNull String localName;
+ private final @NonNull String namespace;
+ private final @Nullable String revision;
+
+ StringQName(final String localName, final String namespace, final String revision) {
+ this.localName = requireNonNull(localName);
+ this.namespace = requireNonNull(namespace);
+ this.revision = revision;
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(localName, namespace, revision);
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!(obj instanceof StringQName)) {
+ return false;
+ }
+ final StringQName other = (StringQName) obj;
+ return localName.equals(other.localName) && namespace.equals(other.namespace)
+ && Objects.equals(revision, other.revision);
+ }
+
+ QName toQName() {
+ return revision != null ? QName.create(namespace, revision, localName) : QName.create(namespace, localName);
+ }
+ }
+
+ private static final class ModuleQName implements Immutable {
+ private final @NonNull QNameModule module;
+ private final @NonNull String localName;
+
+ ModuleQName(final QNameModule module, final String localName) {
+ this.module = requireNonNull(module);
+ this.localName = requireNonNull(localName);
+ }
+
+ @Override
+ public int hashCode() {
+ return 31 * module.hashCode() + localName.hashCode();
+ }
+
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!(obj instanceof ModuleQName)) {
+ return false;
+ }
+ final ModuleQName other = (ModuleQName) obj;
+ return localName.equals(other.localName) && module.equals(other.module);
+ }
+
+ QName toQName() {
+ return QName.create(module, localName);
+ }
+ }
+
+ private static final class StringModule implements Immutable {
+ private final @NonNull String namespace;
+ private final @Nullable String revision;
+
+ StringModule(final String namespace, final String revision) {
+ this.namespace = requireNonNull(namespace);
+ this.revision = revision;
+ }
+
+ @Override
+ public int hashCode() {
+ return 31 * namespace.hashCode() + Objects.hashCode(revision);
+ }
-public class QNameFactory {
+ @Override
+ public boolean equals(final Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (!(obj instanceof StringModule)) {
+ return false;
+ }
+ final StringModule other = (StringModule) obj;
+ return namespace.equals(other.namespace) && Objects.equals(revision, other.revision);
+ }
+
+ QNameModule toQNameModule() {
+ return QNameModule.create(URI.create(namespace), Revision.ofNullable(revision));
+ }
+ }
- private static final int MAX_QNAME_CACHE_SIZE = 10000;
+ private static final int MAX_QNAME_CACHE_SIZE = Integer.getInteger(
+ "org.opendaylight.controller.cluster.datastore.node.utils.qname-cache.max-size", 10000);
+ private static final int MAX_MODULE_CACHE_SIZE = Integer.getInteger(
+ "org.opendaylight.controller.cluster.datastore.node.utils.module-cache.max-size", 2000);
- private static final LoadingCache<String, QName> CACHE = CacheBuilder.newBuilder()
- .maximumSize(MAX_QNAME_CACHE_SIZE)
- .softValues()
- .build(
- new CacheLoader<String, QName>() {
+ private static final LoadingCache<String, QName> LEGACY_CACHE = CacheBuilder.newBuilder()
+ .maximumSize(MAX_QNAME_CACHE_SIZE).weakValues().build(new CacheLoader<String, QName>() {
@Override
- public QName load(String key) {
- return QName.create(key);
+ public QName load(final String key) {
+ return QName.create(key).intern();
}
- }
- );
+ });
+ private static final LoadingCache<StringQName, QName> STRING_CACHE = CacheBuilder.newBuilder()
+ .maximumSize(MAX_QNAME_CACHE_SIZE).weakValues().build(new CacheLoader<StringQName, QName>() {
+ @Override
+ public QName load(final StringQName key) {
+ return key.toQName().intern();
+ }
+ });
+ private static final LoadingCache<ModuleQName, QName> QNAME_CACHE = CacheBuilder.newBuilder()
+ .maximumSize(MAX_QNAME_CACHE_SIZE).weakValues().build(new CacheLoader<ModuleQName, QName>() {
+ @Override
+ public QName load(final ModuleQName key) {
+ return key.toQName().intern();
+ }
+ });
+ private static final LoadingCache<StringModule, QNameModule> MODULE_CACHE = CacheBuilder.newBuilder()
+ .maximumSize(MAX_MODULE_CACHE_SIZE).weakValues().build(new CacheLoader<StringModule, QNameModule>() {
+ @Override
+ public QNameModule load(final StringModule key) {
+ return key.toQNameModule().intern();
+ }
+ });
+ private static final LoadingCache<ModuleQName, NodeIdentifier> NODEID_CACHE = CacheBuilder.newBuilder()
+ .maximumSize(MAX_QNAME_CACHE_SIZE).weakValues().build(new CacheLoader<ModuleQName, NodeIdentifier>() {
+ @Override
+ public NodeIdentifier load(final ModuleQName key) throws ExecutionException {
+ return NodeIdentifier.create(QNAME_CACHE.get(key));
+ }
+ });
+
+ private QNameFactory() {
+
+ }
+
+ @Deprecated
+ public static QName create(final String name) {
+ return LEGACY_CACHE.getUnchecked(name);
+ }
+ public static QName create(final String localName, final String namespace, final @Nullable String revision) {
+ return STRING_CACHE.getUnchecked(new StringQName(localName, namespace, revision));
+ }
+
+ public static QName create(final QNameModule module, final String localName) {
+ return QNAME_CACHE.getUnchecked(new ModuleQName(module, localName));
+ }
+
+ public static QNameModule createModule(final String namespace, final @Nullable String revision) {
+ return MODULE_CACHE.getUnchecked(new StringModule(namespace, revision));
+ }
- public static QName create(String name){
- return CACHE.getUnchecked(name);
+ public static @NonNull NodeIdentifier getNodeIdentifier(final QNameModule module, final String localName)
+ throws ExecutionException {
+ return NODEID_CACHE.get(new ModuleQName(module, localName));
}
}
Code Review / controller.git / blobdiff