org.elasticsearch.index.codec.docvaluesformat.PreBuiltDocValuesFormatProvider Maven / Gradle / Ivy
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* 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
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* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.index.codec.docvaluesformat;
import com.google.common.base.Preconditions;
import org.apache.lucene.codecs.DocValuesFormat;
import org.elasticsearch.common.settings.Settings;
/**
* Pre-built format provider which accepts no configuration option.
*/
public class PreBuiltDocValuesFormatProvider implements DocValuesFormatProvider {
public static final class Factory implements DocValuesFormatProvider.Factory {
private final PreBuiltDocValuesFormatProvider provider;
public Factory(DocValuesFormat docValuesFormat) {
this(docValuesFormat.getName(), docValuesFormat);
}
public Factory(String name, DocValuesFormat docValuesFormat) {
this.provider = new PreBuiltDocValuesFormatProvider(name, docValuesFormat);
}
public DocValuesFormatProvider get() {
return provider;
}
@Override
public DocValuesFormatProvider create(String name, Settings settings) {
return provider;
}
public String name() {
return provider.name();
}
}
private final String name;
private final DocValuesFormat docValuesFormat;
public PreBuiltDocValuesFormatProvider(DocValuesFormat postingsFormat) {
this(postingsFormat.getName(), postingsFormat);
}
public PreBuiltDocValuesFormatProvider(String name, DocValuesFormat postingsFormat) {
Preconditions.checkNotNull(postingsFormat, "DocValuesFormat must not be null");
this.name = name;
this.docValuesFormat = postingsFormat;
}
@Override
public String name() {
return name;
}
@Override
public DocValuesFormat get() {
return docValuesFormat;
}
}