org.elasticsearch.index.codec.postingsformat.BloomFilterPostingsFormatProvider Maven / Gradle / Ivy
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* 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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* 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.common.util.BloomFilter;
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(postingsFormatSettings.get("fpp"))
);
}
public PostingsFormatProvider delegate() {
return delegate;
}
@Override
public PostingsFormat get() {
return postingsFormat;
}
}