org.apache.lucene.queries.intervals.DisiWrapper Maven / Gradle / Ivy
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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.lucene.queries.intervals;
import org.apache.lucene.search.DocIdSetIterator;
class DisiWrapper {
public final DocIdSetIterator iterator;
public final IntervalIterator intervals;
public final long cost;
public final float matchCost; // the match cost for two-phase iterators, 0 otherwise
public int doc; // the current doc, used for comparison
public DisiWrapper next; // reference to a next element, see #topList
// An approximation of the iterator, or the iterator itself if it does not
// support two-phase iteration
public final DocIdSetIterator approximation;
public DisiWrapper(IntervalIterator iterator) {
this.intervals = iterator;
this.iterator = iterator;
this.cost = iterator.cost();
this.doc = -1;
this.approximation = iterator;
this.matchCost = iterator.matchCost();
}
}