org.elasticsearch.index.codec.postingsformat.PreBuiltPostingsFormatProvider Maven / Gradle / Ivy
/*
* Licensed to ElasticSearch and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with 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.codec.postingsformat;
import org.apache.lucene.codecs.PostingsFormat;
import org.elasticsearch.common.settings.Settings;
/**
*/
public class PreBuiltPostingsFormatProvider implements PostingsFormatProvider {
public static final class Factory implements PostingsFormatProvider.Factory {
private final PreBuiltPostingsFormatProvider provider;
public Factory(PostingsFormat postingsFormat) {
this(postingsFormat.getName(), postingsFormat);
}
public Factory(String name, PostingsFormat postingsFormat) {
this.provider = new PreBuiltPostingsFormatProvider(name, postingsFormat);
}
public PostingsFormatProvider get() {
return provider;
}
@Override
public PostingsFormatProvider create(String name, Settings settings) {
return provider;
}
public String name() {
return provider.name();
}
}
private final String name;
private final PostingsFormat postingsFormat;
public PreBuiltPostingsFormatProvider(PostingsFormat postingsFormat) {
this(postingsFormat.getName(), postingsFormat);
}
public PreBuiltPostingsFormatProvider(String name, PostingsFormat postingsFormat) {
if (postingsFormat == null) {
throw new IllegalArgumentException("PostingsFormat must not be null");
}
this.name = name;
this.postingsFormat = postingsFormat;
}
@Override
public String name() {
return name;
}
@Override
public PostingsFormat get() {
return postingsFormat;
}
}