1 package org.apache.lucene.index;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
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16 * See the License for the specific language governing permissions and
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20 import java.io.IOException;
22 import org.apache.lucene.util.ArrayUtil;
23 import org.apache.lucene.util.RamUsageEstimator;
26 * @lucene.experimental
29 abstract class FormatPostingsTermsConsumer {
31 /** Adds a new term in this field; term ends with U+FFFF
33 abstract FormatPostingsDocsConsumer addTerm(char[] text, int start) throws IOException;
36 FormatPostingsDocsConsumer addTerm(String text) throws IOException {
37 final int len = text.length();
38 if (termBuffer == null || termBuffer.length < 1+len)
39 termBuffer = new char[ArrayUtil.oversize(1+len, RamUsageEstimator.NUM_BYTES_CHAR)];
40 text.getChars(0, len, termBuffer, 0);
41 termBuffer[len] = 0xffff;
42 return addTerm(termBuffer, 0);
45 /** Called when we are done adding terms to this field */
46 abstract void finish() throws IOException;