| /* |
| * 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.lucene.codecs.simpletext; |
| |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| import org.apache.lucene.codecs.NormsConsumer; |
| import org.apache.lucene.codecs.NormsFormat; |
| import org.apache.lucene.codecs.NormsProducer; |
| import org.apache.lucene.index.EmptyDocValuesProducer; |
| import org.apache.lucene.index.FieldInfo; |
| import org.apache.lucene.index.NumericDocValues; |
| import org.apache.lucene.index.SegmentReadState; |
| import org.apache.lucene.index.SegmentWriteState; |
| import org.apache.lucene.util.Accountable; |
| |
| /** |
| * plain-text norms format. |
| * <p> |
| * <b>FOR RECREATIONAL USE ONLY</b> |
| * |
| * @lucene.experimental |
| */ |
| public class SimpleTextNormsFormat extends NormsFormat { |
| private static final String NORMS_SEG_EXTENSION = "len"; |
| |
| @Override |
| public NormsConsumer normsConsumer(SegmentWriteState state) throws IOException { |
| return new SimpleTextNormsConsumer(state); |
| } |
| |
| @Override |
| public NormsProducer normsProducer(SegmentReadState state) throws IOException { |
| return new SimpleTextNormsProducer(state); |
| } |
| |
| /** |
| * Reads plain-text norms. |
| * <p> |
| * <b>FOR RECREATIONAL USE ONLY</b> |
| * |
| * @lucene.experimental |
| */ |
| public static class SimpleTextNormsProducer extends NormsProducer { |
| private final SimpleTextDocValuesReader impl; |
| |
| public SimpleTextNormsProducer(SegmentReadState state) throws IOException { |
| // All we do is change the extension from .dat -> .len; |
| // otherwise this is a normal simple doc values file: |
| impl = new SimpleTextDocValuesReader(state, NORMS_SEG_EXTENSION); |
| } |
| |
| @Override |
| public NumericDocValues getNorms(FieldInfo field) throws IOException { |
| return impl.getNumeric(field); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| impl.close(); |
| } |
| |
| @Override |
| public long ramBytesUsed() { |
| return impl.ramBytesUsed(); |
| } |
| |
| @Override |
| public Collection<Accountable> getChildResources() { |
| return impl.getChildResources(); |
| } |
| |
| @Override |
| public void checkIntegrity() throws IOException { |
| impl.checkIntegrity(); |
| } |
| |
| @Override |
| public String toString() { |
| return getClass().getSimpleName() + "(" + impl + ")"; |
| } |
| } |
| |
| /** |
| * Writes plain-text norms. |
| * <p> |
| * <b>FOR RECREATIONAL USE ONLY</b> |
| * |
| * @lucene.experimental |
| */ |
| public static class SimpleTextNormsConsumer extends NormsConsumer { |
| private final SimpleTextDocValuesWriter impl; |
| |
| public SimpleTextNormsConsumer(SegmentWriteState state) throws IOException { |
| // All we do is change the extension from .dat -> .len; |
| // otherwise this is a normal simple doc values file: |
| impl = new SimpleTextDocValuesWriter(state, NORMS_SEG_EXTENSION); |
| } |
| |
| @Override |
| public void addNormsField(FieldInfo field, NormsProducer normsProducer) throws IOException { |
| impl.addNumericField(field, new EmptyDocValuesProducer() { |
| @Override |
| public NumericDocValues getNumeric(FieldInfo field) throws IOException { |
| return normsProducer.getNorms(field); |
| } |
| }); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| impl.close(); |
| } |
| } |
| } |