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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.service.history;
import java.util.*;
/**
*
* @author Alexander Pelov
*/
public interface QueryResultSet<T> extends BidirectionalIterator<T> {
/**
* A strongly-typed variant of <tt>next()</tt>.
*
* @return the next history record.
*
* @throws NoSuchElementException
* iteration has no more elements.
*/
T nextRecord() throws NoSuchElementException;
/**
* A strongly-typed variant of <tt>prev()</tt>.
*
* @return the previous history record.
*
* @throws NoSuchElementException
* iteration has no more elements.
*/
T prevRecord() throws NoSuchElementException;
}
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