| /* |
| * 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 org.jetbrains.annotations.Nullable; |
| import org.osgi.annotation.versioning.ProviderType; |
| |
| /** |
| * Captures information related to index |
| */ |
| @ProviderType |
| public interface IndexInfo { |
| /** |
| * Returns paths of index definition in the repository |
| */ |
| String getIndexPath(); |
| |
| /** |
| * Returns type of index definition like 'property' or 'lucene' |
| */ |
| String getType(); |
| |
| /** |
| * Returns name of the async index lane to which this index is bound to |
| * or null if its not an async index |
| */ |
| @Nullable |
| String getAsyncLaneName(); |
| |
| /** |
| * Time in millis at which index was last updated |
| * |
| * @return time in millis or -1 if unknown, -2 if synchronous |
| */ |
| long getLastUpdatedTime(); |
| |
| /** |
| * Returns time in millis of the repository state up to which index is up-to-date. |
| * This may or may not be same as {@code #getLastUpdatedTime}. For e.g. |
| * consider an index at /oak:index/fooIndex bound to async lane "async". |
| * The index might have got updated 2 cycle ago when async indexer traversed content |
| * node which were indexed by this index and it was not updated in last index cycle. |
| * Then {@code indexedUptoTime} is the time of last complete cycle while |
| * {@code lastUpdatedTime} is the time of 2nd last cycle |
| * |
| * @return time in millis or -1 if unknown |
| */ |
| long getIndexedUpToTime(); |
| |
| /** |
| * An estimate of entry count in the index |
| */ |
| long getEstimatedEntryCount(); |
| |
| /** |
| * Index data storage size |
| |
| * @return storage size or -1 if unknown |
| */ |
| long getSizeInBytes(); |
| |
| /** |
| * Determines if index definition has changed but no reindexing |
| * was done for that change. |
| */ |
| boolean hasIndexDefinitionChangedWithoutReindexing(); |
| |
| /** |
| * If the index definition has changed without doing any reindexing |
| * then this method can be used to determine the diff in the index |
| * definition |
| * @return diff if the definition change otherwise null |
| */ |
| @Nullable |
| String getIndexDefinitionDiff(); |
| } |