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The core O/RM functionality as provided by Hibernate

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/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * Copyright (c) 2008-2011, Red Hat Inc. or third-party contributors as
 * indicated by the @author tags or express copyright attribution
 * statements applied by the authors.  All third-party contributions are
 * distributed under license by Red Hat Inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package org.hibernate.stat;

import java.io.Serializable;

/**
 * Query statistics (HQL and SQL)
 * 
 * Note that for a cached query, the cache miss is equals to the db count
 *
 * @author Gavin King
 */
public interface QueryStatistics extends Serializable {
	long getExecutionCount();

	long getCacheHitCount();

	long getCachePutCount();

	long getCacheMissCount();

	long getExecutionRowCount();

	long getExecutionAvgTime();

	long getExecutionMaxTime();

	long getExecutionMinTime();
}