1 package org.apache.lucene.index;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
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6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
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14 * distributed under the License is distributed on an "AS IS" BASIS,
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20 final class IntBlockPool {
22 public int[][] buffers = new int[10][];
24 int bufferUpto = -1; // Which buffer we are upto
25 public int intUpto = DocumentsWriter.INT_BLOCK_SIZE; // Where we are in head buffer
27 public int[] buffer; // Current head buffer
28 public int intOffset = -DocumentsWriter.INT_BLOCK_SIZE; // Current head offset
30 final private DocumentsWriter docWriter;
32 public IntBlockPool(DocumentsWriter docWriter) {
33 this.docWriter = docWriter;
37 if (bufferUpto != -1) {
39 // Recycle all but the first buffer
40 docWriter.recycleIntBlocks(buffers, 1, 1+bufferUpto);
50 public void nextBuffer() {
51 if (1+bufferUpto == buffers.length) {
52 int[][] newBuffers = new int[(int) (buffers.length*1.5)][];
53 System.arraycopy(buffers, 0, newBuffers, 0, buffers.length);
56 buffer = buffers[1+bufferUpto] = docWriter.getIntBlock();
60 intOffset += DocumentsWriter.INT_BLOCK_SIZE;