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package org.apache.lucene.collation;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.analysis.Analyzer;
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import org.apache.lucene.analysis.CollationTestBase;
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import java.text.Collator;
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import java.util.Locale;
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public class TestCollationKeyAnalyzer extends CollationTestBase {
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// the sort order of Ø versus U depends on the version of the rules being used
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// for the inherited root locale: Ø's order isnt specified in Locale.US since
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// its not used in english.
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private boolean oStrokeFirst = Collator.getInstance(new Locale("")).compare("Ø", "U") < 0;
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// Neither Java 1.4.2 nor 1.5.0 has Farsi Locale collation available in
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// RuleBasedCollator. However, the Arabic Locale seems to order the Farsi
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// characters properly.
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private Collator collator = Collator.getInstance(new Locale("ar"));
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private Analyzer analyzer = new CollationKeyAnalyzer(collator);
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private String firstRangeBeginning = encodeCollationKey
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(collator.getCollationKey(firstRangeBeginningOriginal).toByteArray());
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private String firstRangeEnd = encodeCollationKey
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(collator.getCollationKey(firstRangeEndOriginal).toByteArray());
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private String secondRangeBeginning = encodeCollationKey
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(collator.getCollationKey(secondRangeBeginningOriginal).toByteArray());
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private String secondRangeEnd = encodeCollationKey
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(collator.getCollationKey(secondRangeEndOriginal).toByteArray());
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public void testFarsiRangeFilterCollating() throws Exception {
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testFarsiRangeFilterCollating
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(analyzer, firstRangeBeginning, firstRangeEnd,
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secondRangeBeginning, secondRangeEnd);
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public void testFarsiRangeQueryCollating() throws Exception {
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testFarsiRangeQueryCollating
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(analyzer, firstRangeBeginning, firstRangeEnd,
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secondRangeBeginning, secondRangeEnd);
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public void testFarsiTermRangeQuery() throws Exception {
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testFarsiTermRangeQuery
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(analyzer, firstRangeBeginning, firstRangeEnd,
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secondRangeBeginning, secondRangeEnd);
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public void testCollationKeySort() throws Exception {
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= new CollationKeyAnalyzer(Collator.getInstance(Locale.US));
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Analyzer franceAnalyzer
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= new CollationKeyAnalyzer(Collator.getInstance(Locale.FRANCE));
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Analyzer swedenAnalyzer
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= new CollationKeyAnalyzer(Collator.getInstance(new Locale("sv", "se")));
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Analyzer denmarkAnalyzer
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= new CollationKeyAnalyzer(Collator.getInstance(new Locale("da", "dk")));
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// The ICU Collator and Sun java.text.Collator implementations differ in their
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// orderings - "BFJDH" is the ordering for java.text.Collator for Locale.US.
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(usAnalyzer, franceAnalyzer, swedenAnalyzer, denmarkAnalyzer,
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oStrokeFirst ? "BFJHD" : "BFJDH", "EACGI", "BJDFH", "BJDHF");
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public void testThreadSafe() throws Exception {
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int iters = 20 * RANDOM_MULTIPLIER;
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for (int i = 0; i < iters; i++) {
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Collator collator = Collator.getInstance(Locale.GERMAN);
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collator.setStrength(Collator.PRIMARY);
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assertThreadSafe(new CollationKeyAnalyzer(collator));