2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.mdsal.binding.dom.codec.impl;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.cache.CacheBuilder;
13 import com.google.common.cache.CacheLoader;
14 import com.google.common.cache.LoadingCache;
15 import org.opendaylight.yangtools.yang.binding.DataObject;
16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
18 final class BindingNormalizedNodeCache extends CacheLoader<DataObject, NormalizedNode<?, ?>> {
20 private final LoadingCache<DataObject, NormalizedNode<?, ?>> cache = CacheBuilder.newBuilder().weakValues()
22 final DataContainerCodecContext<?, ?> subtreeRoot;
23 final AbstractBindingNormalizedNodeCacheHolder cacheHolder;
25 BindingNormalizedNodeCache(final AbstractBindingNormalizedNodeCacheHolder cacheHolder,
26 final DataContainerCodecContext<?, ?> subtreeRoot) {
27 this.cacheHolder = requireNonNull(cacheHolder, "cacheHolder");
28 this.subtreeRoot = requireNonNull(subtreeRoot, "subtreeRoot");
32 public NormalizedNode<?, ?> load(final DataObject key) throws Exception {
33 return CachingNormalizedNodeSerializer.serializeUsingStreamWriter(cacheHolder, subtreeRoot, key);
37 * Returns cached NormalizedNode representation of DataObject. If the representation is not cached, serializes
38 * DataObject and updates cache with representation.
40 * @param obj Binding object to be deserialized
41 * @return NormalizedNode representation of binding object.
43 NormalizedNode<?, ?> get(final DataObject obj) {
44 return cache.getUnchecked(obj);