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/*******************************************************************************
* Copyright (c) 2007 Oracle Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Oracle - initial API and implementation
*
********************************************************************************/
package org.eclipse.jst.jsf.common.metadata.query;
import java.util.List;
/**
* Results from a metadata query. The resultset should be considered valid only at the time that the query is performed.
* Once "closed", the resultset should not be accessed again.
*
* <p>Not intended to be implemented directly by clients. Developers should extend {@link AbstractResultSet} instead.
* <p><b>Provisional API - subject to change</b></p>
*/
public interface IResultSet/*<T>*/{
/**
* @return unmodifiable List of results. May NOT be null. Implementer must return Collections.EMPTY_LIST instead.
* @throws MetaDataException
*/
public List/*<T>*/ getResults() throws MetaDataException;
/**
* Signal that the query results are no longer required allowing for any cleanup that may be required
* Once a resultset is closed, a MetaDataException should be thrown if the next() or hasNext() is called. Clients can check isClosed() first.
* @throws MetaDataException
*/
public void close() throws MetaDataException;
/**
* @return true if this resultset has been closed.
*/
public boolean isClosed();
}
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