| /* |
| * 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.lucene.property; |
| |
| import java.util.Objects; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import com.google.common.collect.Iterables; |
| import com.google.common.collect.TreeTraverser; |
| import org.apache.jackrabbit.oak.commons.json.JsopBuilder; |
| import org.apache.jackrabbit.oak.spi.state.ChildNodeEntry; |
| import org.apache.jackrabbit.oak.spi.state.NodeState; |
| |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.property.HybridPropertyIndexUtil.PROPERTY_INDEX; |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.property.HybridPropertyIndexUtil.PROP_HEAD_BUCKET; |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.property.HybridPropertyIndexUtil.PROP_PREVIOUS_BUCKET; |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.property.HybridPropertyIndexUtil.simplePropertyIndex; |
| import static org.apache.jackrabbit.oak.plugins.index.lucene.property.HybridPropertyIndexUtil.uniquePropertyIndex; |
| |
| public class HybridPropertyIndexInfo { |
| private final JsopBuilder json = new JsopBuilder(); |
| private final NodeState idx; |
| |
| public HybridPropertyIndexInfo(NodeState idx) { |
| this.idx = idx; |
| } |
| |
| public String getInfoAsJson(){ |
| json.resetWriter(); |
| json.object(); |
| NodeState propertyIndexNode = idx.getChildNode(PROPERTY_INDEX); |
| for (ChildNodeEntry cne : propertyIndexNode.getChildNodeEntries()) { |
| NodeState propIdxState = cne.getNodeState(); |
| String propName = cne.getName(); |
| json.key(propName).object(); |
| if (simplePropertyIndex(propIdxState)) { |
| collectBucketData(propIdxState); |
| } else if (uniquePropertyIndex(propIdxState)) { |
| json.key("entryCount").value(propIdxState.getChildNodeCount(Integer.MAX_VALUE)); |
| json.key("unique").value(true); |
| } |
| json.endObject(); |
| } |
| json.endObject(); |
| return JsopBuilder.prettyPrint(json.toString()); |
| } |
| |
| private void collectBucketData(NodeState propIdxState) { |
| String head = propIdxState.getString(PROP_HEAD_BUCKET); |
| String previous = propIdxState.getString(PROP_PREVIOUS_BUCKET); |
| |
| for (ChildNodeEntry cne : propIdxState.getChildNodeEntries()) { |
| String bucketName = cne.getName(); |
| NodeState bucket = cne.getNodeState(); |
| json.key(bucketName).object(); |
| |
| json.key("type"); |
| if (Objects.equals(head, bucketName)) { |
| json.value("head"); |
| } else if (Objects.equals(previous, bucketName)) { |
| json.value("previous"); |
| } else { |
| json.value("garbage"); |
| } |
| |
| json.key("keyCount").value(bucket.getChildNodeCount(Integer.MAX_VALUE)); |
| collectCounts(bucket); |
| |
| json.endObject(); |
| } |
| } |
| |
| private void collectCounts(NodeState bucket) { |
| TreeTraverser<NodeState> t = new TreeTraverser<NodeState>() { |
| @Override |
| public Iterable<NodeState> children(NodeState root) { |
| return Iterables.transform(root.getChildNodeEntries(), ChildNodeEntry::getNodeState); |
| } |
| }; |
| AtomicInteger matches = new AtomicInteger(); |
| int totalCount = t.preOrderTraversal(bucket) |
| .transform((st) -> { |
| if (st.getBoolean("match")) { |
| matches.incrementAndGet(); |
| } |
| return st; |
| }).size(); |
| json.key("entryCount").value(matches.get()); |
| json.key("totalCount").value(totalCount); |
| } |
| } |