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Lucene example source code file (InstantiatedTermEnum.java)
The Lucene InstantiatedTermEnum.java source codepackage org.apache.lucene.store.instantiated; /** * Copyright 2006 The Apache Software Foundation * * 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 org.apache.lucene.index.Term; import org.apache.lucene.index.TermEnum; /** * A {@link org.apache.lucene.index.TermEnum} navigating an {@link org.apache.lucene.store.instantiated.InstantiatedIndexReader}. */ public class InstantiatedTermEnum extends TermEnum { private final InstantiatedIndexReader reader; public InstantiatedTermEnum(InstantiatedIndexReader reader) { this.nextTermIndex = 0; this.reader = reader; } public InstantiatedTermEnum(InstantiatedIndexReader reader, int startPosition) { this.reader = reader; this.nextTermIndex = startPosition; next(); } private int nextTermIndex; private InstantiatedTerm term; /** * Increments the enumeration to the next element. True if one exists. */ @Override public boolean next() { if (reader.getIndex().getOrderedTerms().length <= nextTermIndex) { return false; } else { term = reader.getIndex().getOrderedTerms()[nextTermIndex]; nextTermIndex++; return true; } } /** * Returns the current Term in the enumeration. */ @Override public Term term() { return term == null ? null : term.getTerm(); } /** * Returns the docFreq of the current Term in the enumeration. */ @Override public int docFreq() { return term.getAssociatedDocuments().length; } /** * Closes the enumeration to further activity, freeing resources. */ @Override public void close() { } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene InstantiatedTermEnum.java source code file: |
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