+++ /dev/null
-package org.apache.lucene.index;
-
-/**
- * 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.
- */
-
-import org.apache.lucene.util.ArrayUtil;
-import org.apache.lucene.search.Similarity;
-
-/** Taps into DocInverter, as an InvertedDocEndConsumer,
- * which is called at the end of inverting each field. We
- * just look at the length for the field (docState.length)
- * and record the norm. */
-
-final class NormsWriterPerField extends InvertedDocEndConsumerPerField implements Comparable<NormsWriterPerField> {
-
- final NormsWriterPerThread perThread;
- final FieldInfo fieldInfo;
- final DocumentsWriter.DocState docState;
-
- // Holds all docID/norm pairs we've seen
- int[] docIDs = new int[1];
- byte[] norms = new byte[1];
- int upto;
-
- final FieldInvertState fieldState;
-
- public void reset() {
- // Shrink back if we are overallocated now:
- docIDs = ArrayUtil.shrink(docIDs, upto);
- norms = ArrayUtil.shrink(norms, upto);
- upto = 0;
- }
-
- public NormsWriterPerField(final DocInverterPerField docInverterPerField, final NormsWriterPerThread perThread, final FieldInfo fieldInfo) {
- this.perThread = perThread;
- this.fieldInfo = fieldInfo;
- docState = perThread.docState;
- fieldState = docInverterPerField.fieldState;
- }
-
- @Override
- void abort() {
- upto = 0;
- }
-
- public int compareTo(NormsWriterPerField other) {
- return fieldInfo.name.compareTo(other.fieldInfo.name);
- }
-
- @Override
- void finish() {
- if (fieldInfo.isIndexed && !fieldInfo.omitNorms) {
- if (docIDs.length <= upto) {
- assert docIDs.length == upto;
- docIDs = ArrayUtil.grow(docIDs, 1+upto);
- }
- if (norms.length <= upto) {
- assert norms.length == upto;
- norms = ArrayUtil.grow(norms, 1+upto);
- }
- final float norm = docState.similarity.computeNorm(fieldInfo.name, fieldState);
- norms[upto] = docState.similarity.encodeNormValue(norm);
- docIDs[upto] = docState.docID;
- upto++;
- }
- }
-}