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 com.google.common.collect.ImmutableMultimap; import org.apache.lucene.document.Document; import org.apache.lucene.index.IndexableField; public class DocumentData { public final ImmutableMultimap<String, String> fields; public DocumentData(Document document) { ImmutableMultimap.Builder<String, String> builder = ImmutableMultimap.builder(); for (IndexableField field : document) { builder.put(field.name(), field.stringValue()); } this.fields = builder.build(); } }