com.vmware.xenon.services.common.LuceneCodecWithFixes Maven / Gradle / Ivy
/*
* Copyright (c) 2017 VMware, Inc. All Rights Reserved.
*
* Licensed 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 com.vmware.xenon.services.common;
import org.apache.lucene.codecs.Codec;
import org.apache.lucene.codecs.FieldInfosFormat;
import org.apache.lucene.codecs.FilterCodec;
/**
* This class takes care of lucene bugs related to FieldInfos. FieldInfo instances are cached and reused,
* while FieldInfos instances are just cleared of their internal TreeMap overhead.
*/
class LuceneCodecWithFixes extends FilterCodec {
private final FieldInfosFormat fieldInfosFormat;
protected LuceneCodecWithFixes(Codec original, FieldInfoCache fieldInfoCache) {
super(original.getName(), original);
this.fieldInfosFormat = new Lucene60FieldInfosFormatWithCache(fieldInfoCache);
}
@Override
public FieldInfosFormat fieldInfosFormat() {
return this.fieldInfosFormat;
}
}