/*
* 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.index;
import java.io.IOException;
import org.apache.lucene.search.DocIdSetIterator;
abstract class DocValuesIterator extends DocIdSetIterator {
/** Advance the iterator to exactly {@code target} and return whether
* {@code target} has a value.
* {@code target} must be greater than or equal to the current
* {@link #docID() doc ID} and must be a valid doc ID, ie. ≥ 0 and
* < {@code maxDoc}.
* After this method returns, {@link #docID()} retuns {@code target}. */
public abstract boolean advanceExact(int target) throws IOException;
}