/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later
 * See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
 */
package org.hibernate.cache.spi;

import java.io.Serializable;
import java.util.List;
import java.util.Set;

import org.hibernate.cache.CacheException;
import org.hibernate.engine.spi.SharedSessionContractImplementor;
import org.hibernate.type.Type;

Author:
Steve Ebersole
Deprecated:
Use QueryResultsCache instead - CacheImplementor.getQueryResultsCache rather than CacheImplementor.getQueryCache/**
 * @author Steve Ebersole
 *
 * @deprecated Use {@link QueryResultsCache} instead -
 * {@link CacheImplementor#getQueryResultsCache} rather than
 * {@link CacheImplementor#getQueryCache}
 */
@Deprecated
public interface QueryCache {
	
Clear items from the query cache.
Throws:
CacheException – Indicates a problem delegating to the underlying cache./**
	 * Clear items from the query cache.
	 *
	 * @throws CacheException Indicates a problem delegating to the underlying cache.
	 */
	void clear();

	
Put a result into the query cache.
Params:
key – The cache key
returnTypes – The result types
result – The results to cache
isNaturalKeyLookup – Was this a natural id lookup?
session – The originating session
Returns:
Whether the put actually happened./**
	 * Put a result into the query cache.
	 *
	 * @param key The cache key
	 * @param returnTypes The result types
	 * @param result The results to cache
	 * @param isNaturalKeyLookup Was this a natural id lookup?
	 * @param session The originating session
	 *
	 * @return Whether the put actually happened.
	 */
	boolean put(
			QueryKey key,
			Type[] returnTypes,
			List result,
			boolean isNaturalKeyLookup,
			SharedSessionContractImplementor session);

	
Get results from the cache.
Params:
key – The cache key
returnTypes – The result types
isNaturalKeyLookup – Was this a natural id lookup?
spaces – The query spaces (used in invalidation plus validation checks)
session – The originating session
Returns:
The cached results; may be null./**
	 * Get results from the cache.
	 *
	 * @param key The cache key
	 * @param returnTypes The result types
	 * @param isNaturalKeyLookup Was this a natural id lookup?
	 * @param spaces The query spaces (used in invalidation plus validation checks)
	 * @param session The originating session
	 *
	 * @return The cached results; may be null.
	 */
	List get(
			QueryKey key,
			Type[] returnTypes,
			boolean isNaturalKeyLookup,
			Set<Serializable> spaces,
			SharedSessionContractImplementor session);

	
Destroy the cache.
/**
	 * Destroy the cache.
	 */
	void destroy();

	
The underlying cache factory region being used.
Returns:
The cache region./**
	 * The underlying cache factory region being used.
	 *
	 * @return The cache region.
	 */
	QueryResultsRegion getRegion();

}