| /* |
| * 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.index; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Iterables; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| import org.apache.jackrabbit.oak.spi.state.NodeStateUtils; |
| import org.apache.jackrabbit.oak.spi.state.NodeStore; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.osgi.service.component.annotations.ReferencePolicy; |
| import org.osgi.service.component.annotations.ReferencePolicyOption; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static com.google.common.base.Predicates.notNull; |
| |
| @Component |
| public class IndexInfoServiceImpl implements IndexInfoService{ |
| private final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| @Reference |
| private IndexPathService indexPathService; |
| |
| private final Map<String, IndexInfoProvider> infoProviders = new ConcurrentHashMap<>(); |
| |
| @Reference |
| private NodeStore nodeStore; |
| |
| public IndexInfoServiceImpl() { |
| //For DS |
| } |
| |
| public IndexInfoServiceImpl(NodeStore nodeStore, IndexPathService indexPathService) { |
| this.indexPathService = indexPathService; |
| this.nodeStore = nodeStore; |
| } |
| |
| @Override |
| public Iterable<IndexInfo> getAllIndexInfo() { |
| return Iterables.filter(Iterables.transform(indexPathService.getIndexPaths(), new Function<String, IndexInfo>() { |
| @Override |
| public IndexInfo apply(String indexPath) { |
| try { |
| return getInfo(indexPath); |
| } catch (Exception e) { |
| log.warn("Error occurred while capturing IndexInfo for path {}", indexPath, e); |
| return null; |
| } |
| } |
| }), notNull()); |
| } |
| |
| @Override |
| public IndexInfo getInfo(String indexPath) throws IOException { |
| String type = getIndexType(indexPath); |
| if (type == null) return null; |
| IndexInfoProvider infoProvider = infoProviders.get(type); |
| |
| if (infoProvider == null) { |
| return new SimpleIndexInfo(indexPath, type); |
| } |
| |
| return infoProvider.getInfo(indexPath); |
| } |
| |
| @Override |
| public boolean isValid(String indexPath) throws IOException { |
| String type = getIndexType(indexPath); |
| if (type == null){ |
| log.warn("No type property defined for index definition at path {}", indexPath); |
| return false; |
| } |
| IndexInfoProvider infoProvider = infoProviders.get(type); |
| if (infoProvider == null){ |
| log.warn("No IndexInfoProvider for for index definition at path {} of type {}", indexPath, type); |
| return true; //TODO Reconsider this scenario |
| } |
| return infoProvider.isValid(indexPath); |
| } |
| |
| @Reference(name = "infoProviders", |
| policy = ReferencePolicy.DYNAMIC, |
| cardinality = ReferenceCardinality.MULTIPLE, |
| policyOption = ReferencePolicyOption.GREEDY, |
| service = IndexInfoProvider.class |
| ) |
| public void bindInfoProviders(IndexInfoProvider infoProvider){ |
| infoProviders.put(checkNotNull(infoProvider.getType()), infoProvider); |
| } |
| |
| public void unbindInfoProviders(IndexInfoProvider infoProvider){ |
| infoProviders.remove(infoProvider.getType()); |
| } |
| |
| private String getIndexType(String indexPath) { |
| NodeState idxState = NodeStateUtils.getNode(nodeStore.getRoot(), indexPath); |
| String type = idxState.getString(IndexConstants.TYPE_PROPERTY_NAME); |
| if (type == null || "disabled".equals(type)){ |
| return null; |
| } |
| return type; |
| } |
| |
| private static class SimpleIndexInfo implements IndexInfo { |
| private final String indexPath; |
| private final String type; |
| |
| private SimpleIndexInfo(String indexPath, String type) { |
| this.indexPath = indexPath; |
| this.type = type; |
| } |
| |
| @Override |
| public String getIndexPath() { |
| return indexPath; |
| } |
| |
| @Override |
| public String getType() { |
| return type; |
| } |
| |
| @Override |
| public String getAsyncLaneName() { |
| return null; |
| } |
| |
| @Override |
| public long getLastUpdatedTime() { |
| return -1; } |
| |
| @Override |
| public long getIndexedUpToTime() { |
| return -1; |
| } |
| |
| @Override |
| public long getEstimatedEntryCount() { |
| return -1; |
| } |
| |
| @Override |
| public long getSizeInBytes() { |
| return -1; |
| } |
| |
| @Override |
| public boolean hasIndexDefinitionChangedWithoutReindexing() { |
| return false; |
| } |
| |
| @Override |
| public String getIndexDefinitionDiff() { |
| return null; |
| } |
| } |
| } |