org.elasticsearch.index.codec.postingsformat.BloomFilterPostingsFormatProvider 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
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* 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.Nullable;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.inject.assistedinject.Assisted;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.settings.IndexSettings;
import java.util.Map;
/**
*/
public class BloomFilterPostingsFormatProvider extends AbstractPostingsFormatProvider {
private final PostingsFormatProvider delegate;
private final BloomFilterPostingsFormat postingsFormat;
@Inject
public BloomFilterPostingsFormatProvider(@IndexSettings Settings indexSettings, @Nullable Map postingFormatFactories, @Assisted String name, @Assisted Settings postingsFormatSettings) {
super(name);
this.delegate = Helper.lookup(indexSettings, postingsFormatSettings.get("delegate"), postingFormatFactories);
this.postingsFormat = new BloomFilterPostingsFormat(
delegate.get(),
BloomFilter.Factory.buildFromString(indexSettings.get("fpp"))
);
}
public PostingsFormatProvider delegate() {
return delegate;
}
@Override
public PostingsFormat get() {
return postingsFormat;
}
}