/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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.linkedin.pinot.core.operator.dociditerators;
import com.linkedin.pinot.core.common.BlockDocIdIterator;
import com.linkedin.pinot.core.common.Constants;
public final class SizeBasedDocIdIterator implements BlockDocIdIterator {
int counter = 0;
private int maxDocId;
public SizeBasedDocIdIterator(int maxDocId) {
this(0, maxDocId);
}
public SizeBasedDocIdIterator(int minDocId, int maxDocId) {
this.maxDocId = maxDocId;
}
@Override
public int advance(int targetDocId) {
if (targetDocId < maxDocId) {
counter = targetDocId;
return counter;
} else {
return Constants.EOF;
}
}
@Override
public int next() {
if (counter >= maxDocId) {
return Constants.EOF;
}
return counter++;
}
@Override
public int currentDocId() {
return counter;
}
}