2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
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18 package org.apache.lucene.util;
21 import org.apache.tools.ant.BuildException;
22 import org.apache.tools.ant.types.Parameter;
23 import org.apache.tools.ant.types.selectors.BaseExtendSelector;
25 /** Divides filesets into equal groups */
26 public class LuceneJUnitDividingSelector extends BaseExtendSelector {
28 /** Number of total parts to split. */
30 /** Current part to accept. */
34 public void setParameters(Parameter[] pParameters) {
35 super.setParameters(pParameters);
36 for (int j = 0; j < pParameters.length; j++) {
37 Parameter p = pParameters[j];
38 if ("divisor".equalsIgnoreCase(p.getName())) {
39 divisor = Integer.parseInt(p.getValue());
41 else if ("part".equalsIgnoreCase(p.getName())) {
42 part = Integer.parseInt(p.getValue());
45 throw new BuildException("unknown " + p.getName());
51 public void verifySettings() {
52 super.verifySettings();
53 if (divisor <= 0 || part <= 0) {
54 throw new BuildException("part or divisor not set");
57 throw new BuildException("part must be <= divisor");
62 public boolean isSelected(File dir, String name, File path) {
63 counter = counter % divisor + 1;
64 return counter == part;