Java tutorial
package com.github.flaxsearch.api; /* * Copyright (c) 2016 Lemur Consulting Ltd. * * Licensed 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. */ import java.io.IOException; import java.util.ArrayList; import java.util.List; import com.fasterxml.jackson.annotation.JsonProperty; import com.github.flaxsearch.util.ReaderManager; import org.apache.lucene.index.DirectoryReader; import org.apache.lucene.index.LeafReaderContext; public class IndexData { public final String indexpath; public final long generation; public final List<SegmentData> segments; public final int numDocs; public final int numDeletedDocs; public IndexData(String indexpath, ReaderManager readerManager) throws IOException { this.indexpath = indexpath; DirectoryReader reader = (DirectoryReader) readerManager.getIndexReader(); this.generation = reader.getIndexCommit().getGeneration(); this.numDocs = reader.numDocs(); this.numDeletedDocs = reader.numDeletedDocs(); segments = new ArrayList<>(); for (LeafReaderContext ctx : readerManager.getIndexReader().leaves()) { segments.add(new SegmentData(ctx)); } } public IndexData(@JsonProperty("indexPath") String indexPath, @JsonProperty("generation") long generation, @JsonProperty("numDocs") int numDocs, @JsonProperty("numDeletedDocs") int numDeletedDocs, @JsonProperty("segments") List<SegmentData> segments) { this.indexpath = indexPath; this.generation = generation; this.numDocs = numDocs; this.numDeletedDocs = numDeletedDocs; this.segments = segments; } }