Package org.hibernate.cache.internal

Class QueryResultsCacheImpl

java.lang.Object

org.hibernate.cache.internal.QueryResultsCacheImpl

All Implemented Interfaces:

QueryResultsCache

public class QueryResultsCacheImpl
extends Object
implements QueryResultsCache

The standard implementation of the Hibernate QueryCache interface. Works hind-in-hand with TimestampsCache to help in recognizing stale query results.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	QueryResultsCacheImpl.CacheItem

Method Summary

Modifier and Type	Method	Description
List<?>	get(QueryKey key, String[] spaces, SharedSessionContractImplementor session)	Get results from the cache.
List<?>	get(QueryKey key, Set<String> spaces, SharedSessionContractImplementor session)	Get results from the cache.
QueryResultsRegion	getRegion()	The underlying cache region being used.
boolean	put(QueryKey key, List<?> results, SharedSessionContractImplementor session)	Put a result into the query cache.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.hibernate.cache.spi.QueryResultsCache

clear, destroy

Method Detail

getRegion

public QueryResultsRegion getRegion()

Description copied from interface: QueryResultsCache

The underlying cache region being used.

Specified by:

getRegion in interface QueryResultsCache

put

public boolean put(QueryKey key,
                   List<?> results,
                   SharedSessionContractImplementor session)
            throws HibernateException

Description copied from interface: QueryResultsCache

Put a result into the query cache.

Specified by:

put in interface QueryResultsCache

Parameters:

key - The cache key

results - The results to cache

session - The originating session

Returns:

Whether the put actually happened.

Throws:

HibernateException - Indicates a problem delegating to the underlying cache.

get

public List<?> get(QueryKey key,
                   Set<String> spaces,
                   SharedSessionContractImplementor session)
            throws HibernateException

Description copied from interface: QueryResultsCache

Get results from the cache.

Specified by:

get in interface QueryResultsCache

Parameters:

key - The cache key

spaces - The query spaces (used in invalidation plus validation checks)

session - The originating session

Returns:

The cached results; may be null.

Throws:

HibernateException - Indicates a problem delegating to the underlying cache.

get

public List<?> get(QueryKey key,
                   String[] spaces,
                   SharedSessionContractImplementor session)
            throws HibernateException

Description copied from interface: QueryResultsCache

Get results from the cache.

Specified by:

get in interface QueryResultsCache

Parameters:

key - The cache key

spaces - The query spaces (used in invalidation plus validation checks)

session - The originating session

Returns:

The cached results; may be null.

Throws:

HibernateException - Indicates a problem delegating to the underlying cache.

toString

public String toString()

Overrides:

toString in class Object