| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.jackrabbit.oak.plugins.document.persistentCache; |
| |
| import org.apache.jackrabbit.oak.plugins.document.LocalDiffCache; |
| import org.apache.jackrabbit.oak.plugins.document.DocumentNodeState; |
| import org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore; |
| import org.apache.jackrabbit.oak.plugins.document.DocumentStore; |
| import org.apache.jackrabbit.oak.plugins.document.NodeDocument; |
| import org.apache.jackrabbit.oak.plugins.document.PathRev; |
| import org.apache.jackrabbit.oak.plugins.document.util.RevisionsKey; |
| import org.apache.jackrabbit.oak.plugins.document.util.StringValue; |
| |
| public enum CacheType { |
| |
| NODE { |
| @Override |
| public <K> String keyToString(K key) { |
| return ((PathRev) key).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <K> K keyFromString(String key) { |
| return (K) PathRev.fromString(key); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| return ((PathRev) a).compareTo((PathRev) b); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| return ((DocumentNodeState) value).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| return (V) DocumentNodeState.fromString(store, value); |
| } |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| String path = ((PathRev) key).getPath(); |
| if (!store.getNodeCachePredicate().apply(path)){ |
| return false; |
| } |
| return !store.getNodeStateCache().isCached(path); |
| } |
| }, |
| |
| CHILDREN { |
| @Override |
| public <K> String keyToString(K key) { |
| return ((PathRev) key).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <K> K keyFromString(String key) { |
| return (K) PathRev.fromString(key); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| return ((PathRev) a).compareTo((PathRev) b); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| return ((DocumentNodeState.Children) value).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| return (V) DocumentNodeState.Children.fromString(value); |
| } |
| |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| String path = ((PathRev) key).getPath(); |
| if (!store.getNodeCachePredicate().apply(path)){ |
| return false; |
| } |
| return !store.getNodeStateCache().isCached(path); |
| } |
| }, |
| |
| DIFF { |
| @Override |
| public <K> String keyToString(K key) { |
| return ((PathRev) key).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <K> K keyFromString(String key) { |
| return (K) PathRev.fromString(key); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| return ((PathRev) a).compareTo((PathRev) b); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| return ((StringValue) value).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| return (V) StringValue.fromString(value); |
| } |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| return true; |
| } |
| }, |
| |
| DOCUMENT { |
| @Override |
| public <K> String keyToString(K key) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public <K> K keyFromString(String key) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| throw new UnsupportedOperationException(); |
| } |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| return false; |
| } |
| }, |
| |
| PREV_DOCUMENT { |
| @Override |
| public <K> String keyToString(K key) { |
| return ((StringValue) key).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <K> K keyFromString(String key) { |
| return (K) StringValue.fromString(key); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| return ((StringValue) a).asString().compareTo(((StringValue) b).asString()); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| return ((NodeDocument) value).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| return (V) NodeDocument.fromString(docStore, value); |
| } |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| return true; |
| } |
| }, |
| |
| LOCAL_DIFF { |
| @Override |
| public <K> String keyToString(K key) { |
| return ((RevisionsKey) key).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <K> K keyFromString(String key) { |
| return (K) RevisionsKey.fromString(key); |
| } |
| @Override |
| public <K> int compareKeys(K a, K b) { |
| return ((RevisionsKey) a).compareTo((RevisionsKey) b); |
| } |
| @Override |
| public <V> String valueToString(V value) { |
| return ((LocalDiffCache.Diff) value).asString(); |
| } |
| @SuppressWarnings("unchecked") |
| @Override |
| public <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value) { |
| return (V) LocalDiffCache.Diff.fromString(value); |
| } |
| @Override |
| public <K> boolean shouldCache(DocumentNodeStore store, K key) { |
| return true; |
| } |
| }; |
| |
| public static final CacheType[] VALUES = CacheType.values(); |
| |
| public abstract <K> String keyToString(K key); |
| public abstract <K> K keyFromString(String key); |
| public abstract <K> int compareKeys(K a, K b); |
| public abstract <V> String valueToString(V value); |
| public abstract <V> V valueFromString( |
| DocumentNodeStore store, DocumentStore docStore, String value); |
| public abstract <K> boolean shouldCache(DocumentNodeStore store, K key); |
| |
| } |
| |