/*
* 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.search;
import java.io.IOException;
import java.util.Random;
/** Wraps another Collector and checks that
* order is respected. */
class AssertingLeafCollector extends FilterLeafCollector {
private final Random random;
private final int min;
private final int max;
private Scorer scorer;
private int lastCollected = -1;
AssertingLeafCollector(Random random, LeafCollector collector, int min, int max) {
super(collector);
this.random = random;
this.min = min;
this.max = max;
}
@Override
public void setScorer(Scorer scorer) throws IOException {
this.scorer = scorer;
super.setScorer(AssertingScorer.wrap(random, scorer, true));
}
@Override
public void collect(int doc) throws IOException {
assert doc > lastCollected : "Out of order : " + lastCollected + " " + doc;
assert doc >= min : "Out of range: " + doc + " < " + min;
assert doc < max : "Out of range: " + doc + " >= " + max;
assert scorer.docID() == doc : "Collected: " + doc + " but scorer: " + scorer.docID();
in.collect(doc);
lastCollected = doc;
}
}