Package org.infinispan.query.dsl.embedded.impl

Class QueryCache

java.lang.Object

org.infinispan.query.dsl.embedded.impl.QueryCache

@ThreadSafe
public class QueryCache
extends Object

A local cache for 'parsed' queries. Each cache manager has at most one QueryCache which is backed by a lazily created Cache.

Since:

7.0

Author:

anistor@redhat.com

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	QueryCache.QueryCreator<Q>

Field Summary

Fields

Modifier and Type	Field	Description
static String	QUERY_CACHE_NAME	Users can define a cache configuration with this name if they need to fine tune query caching.

Constructor Summary

Constructors

Constructor	Description
QueryCache()

Method Summary

Modifier and Type	Method	Description
void	clear()
<T> T	get(String queryString, List<org.infinispan.objectfilter.impl.aggregation.FieldAccumulator> accumulators, Object queryTypeDiscriminator, QueryCache.QueryCreator<T> queryCreator)	Gets the cached query object.

Methods inherited from class java.lang.Object

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

Field Detail

QUERY_CACHE_NAME

public static final String QUERY_CACHE_NAME

Users can define a cache configuration with this name if they need to fine tune query caching. If they do not do so a default config is used (see getQueryCacheConfig()).

See Also:

Constant Field Values

Constructor Detail

QueryCache

public QueryCache()

Method Detail

get

public <T> T get(String queryString,
                 List<org.infinispan.objectfilter.impl.aggregation.FieldAccumulator> accumulators,
                 Object queryTypeDiscriminator,
                 QueryCache.QueryCreator<T> queryCreator)

Gets the cached query object. The key used for lookup is an object pair containing the query string and a discriminator value which is usually the Class of the cached query object and an optional List of FieldAccumulators.

clear

public void clear()