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* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.index.mapper;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.util.LuceneTestCase;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.analysis.AnalyzerScope;
import org.elasticsearch.index.analysis.NamedAnalyzer;
import java.io.IOException;
import java.io.StringReader;
import java.util.Arrays;
import java.util.List;
public class DocumentFieldMapperTests extends LuceneTestCase {
private static class FakeAnalyzer extends Analyzer {
private final String output;
FakeAnalyzer(String output) {
this.output = output;
}
@Override
protected TokenStreamComponents createComponents(String fieldName) {
Tokenizer tokenizer = new Tokenizer() {
boolean incremented = false;
CharTermAttribute term = addAttribute(CharTermAttribute.class);
@Override
public boolean incrementToken() throws IOException {
if (incremented) {
return false;
}
term.setLength(0).append(output);
incremented = true;
return true;
}
};
return new TokenStreamComponents(tokenizer);
}
}
static class FakeFieldType extends TermBasedFieldType {
FakeFieldType() {
super();
}
FakeFieldType(FakeFieldType other) {
super(other);
}
@Override
public MappedFieldType clone() {
return new FakeFieldType(this);
}
@Override
public String typeName() {
return "fake";
}
}
static class FakeFieldMapper extends FieldMapper {
private static final Settings SETTINGS = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).build();
FakeFieldMapper(String simpleName, MappedFieldType fieldType) {
super(simpleName, fieldType.clone(), fieldType.clone(), SETTINGS, null, null);
}
@Override
protected void parseCreateField(ParseContext context, List<IndexableField> fields) throws IOException {
}
@Override
protected String contentType() {
return null;
}
}
public void testAnalyzers() throws IOException {
FakeFieldType fieldType1 = new FakeFieldType();
fieldType1.setName("field1");
fieldType1.setIndexAnalyzer(new NamedAnalyzer("foo", AnalyzerScope.INDEX, new FakeAnalyzer("index")));
fieldType1.setSearchAnalyzer(new NamedAnalyzer("bar", AnalyzerScope.INDEX, new FakeAnalyzer("search")));
fieldType1.setSearchQuoteAnalyzer(new NamedAnalyzer("baz", AnalyzerScope.INDEX, new FakeAnalyzer("search_quote")));
FieldMapper fieldMapper1 = new FakeFieldMapper("field1", fieldType1);
FakeFieldType fieldType2 = new FakeFieldType();
fieldType2.setName("field2");
FieldMapper fieldMapper2 = new FakeFieldMapper("field2", fieldType2);
Analyzer defaultIndex = new FakeAnalyzer("default_index");
Analyzer defaultSearch = new FakeAnalyzer("default_search");
Analyzer defaultSearchQuote = new FakeAnalyzer("default_search_quote");
DocumentFieldMappers documentFieldMappers = new DocumentFieldMappers(Arrays.asList(fieldMapper1, fieldMapper2), defaultIndex, defaultSearch, defaultSearchQuote);
assertAnalyzes(documentFieldMappers.indexAnalyzer(), "field1", "index");
assertAnalyzes(documentFieldMappers.searchAnalyzer(), "field1", "search");
assertAnalyzes(documentFieldMappers.searchQuoteAnalyzer(), "field1", "search_quote");
assertAnalyzes(documentFieldMappers.indexAnalyzer(), "field2", "default_index");
assertAnalyzes(documentFieldMappers.searchAnalyzer(), "field2", "default_search");
assertAnalyzes(documentFieldMappers.searchQuoteAnalyzer(), "field2", "default_search_quote");
}
private void assertAnalyzes(Analyzer analyzer, String field, String output) throws IOException {
try (TokenStream tok = analyzer.tokenStream(field, new StringReader(""))) {
CharTermAttribute term = tok.addAttribute(CharTermAttribute.class);
assertTrue(tok.incrementToken());
assertEquals(output, term.toString());
}
}
}