Uses of Class
org.datanucleus.store.query.Query

Packages that use Query

Package	Description
org.datanucleus.store	Package handling the storage of classes to the datastore, and the management of the datastore.
org.datanucleus.store.federation	Package providing management for federation of datastores.
org.datanucleus.store.query	Package providing query language support for datastores.
org.datanucleus.store.query.cache	Package providing definition of caching for queries.
org.datanucleus.store.query.inmemory	Package providing the evaluation of queries using an in-memory process with evaluators for JDOQL and JPQL.

Uses of Query in org.datanucleus.store

Methods in org.datanucleus.store that return Query

Modifier and Type	Method	Description
Query	StoreManager.newQuery(String language, ExecutionContext ec)	Method to return a new query, for the specified language and ExecutionContext.
Query	StoreManager.newQuery(String language, ExecutionContext ec, String queryString)	Method to return a new query, for the specified language and ExecutionContext, using the specified query string.
Query	StoreManager.newQuery(String language, ExecutionContext ec, Query q)	Method to return a new query, for the specified language and ExecutionContext, using the specified existing query to copy from.

Methods in org.datanucleus.store with parameters of type Query

Modifier and Type	Method	Description
Query	StoreManager.newQuery(String language, ExecutionContext ec, Query q)	Method to return a new query, for the specified language and ExecutionContext, using the specified existing query to copy from.

Uses of Query in org.datanucleus.store.federation

Subclasses of Query in org.datanucleus.store.federation

Modifier and Type	Class	Description
class	FederatedJDOQLQuery	JDOQL query that is federated across multiple datastores

Methods in org.datanucleus.store.federation that return Query

Modifier and Type	Method	Description
Query	FederatedQueryManagerImpl.newQuery(String language, ExecutionContext ec, Object query)	Method to generate a new query using the passed query as basis.
Query	FederatedStoreManager.newQuery(String language, ExecutionContext ec)
Query	FederatedStoreManager.newQuery(String language, ExecutionContext ec, String queryString)
Query	FederatedStoreManager.newQuery(String language, ExecutionContext ec, Query q)

Methods in org.datanucleus.store.federation with parameters of type Query

Modifier and Type	Method	Description
Query	FederatedStoreManager.newQuery(String language, ExecutionContext ec, Query q)

Uses of Query in org.datanucleus.store.query

Subclasses of Query in org.datanucleus.store.query

Modifier and Type	Class	Description
class	AbstractJavaQuery<T>	Abstract representation of a Java-based query.
class	AbstractJDOQLQuery	Abstract representation of a JDOQL query.
class	AbstractJPQLQuery	Abstract representation of a JPQL query used by DataNucleus.
class	AbstractStoredProcedureQuery	Abstract representation of a stored procedure query.

Fields in org.datanucleus.store.query declared as Query

Modifier and Type	Field	Description
protected Query	AbstractQueryResult.query	The Query object.

Methods in org.datanucleus.store.query that return Query

Modifier and Type	Method	Description
Query	Query.SubqueryDefinition.getQuery()

Methods in org.datanucleus.store.query with parameters of type Query

Modifier and Type	Method	Description
void	QueryManager.addQueryResult(Query query, Map params, List<Object> results)	Method to store the results for a query.
void	QueryManagerImpl.addQueryResult(Query query, Map params, List<Object> results)
void	Query.addSubquery(Query sub, String variableDecl, String candidateExpr, Map paramMap)	Method to add a subquery to this query.
static String	QueryUtils.getKeyForQueryResultsCache(Query query, Map params)	Convenience method to generate the "key" for storing the query results of a query with parameters.
List<Object>	QueryManager.getQueryResult(Query query, Map params)	Accessor for the results for a query.
List<Object>	QueryManagerImpl.getQueryResult(Query query, Map params)
static boolean	QueryUtils.queryReturnsSingleRow(Query query)	Convenience method to return whether the query should return a single row.

Constructors in org.datanucleus.store.query with parameters of type Query

Constructor	Description
AbstractQueryResult(Query query)	Constructor of the result from a Query.
CandidateIdsQueryResult(Query query, List<Object> inputIds)
JDOQLSingleStringParser(Query query, String queryString)	Constructor for the Single-String parser.
JPQLSingleStringParser(Query query, String queryString)	Constructor for the Single-String parser.
SubqueryDefinition(Query q, String candidates, String variables, Map params)

Uses of Query in org.datanucleus.store.query.cache

Methods in org.datanucleus.store.query.cache with parameters of type Query

Modifier and Type	Method	Description
void	AbstractMapQueryResultsCache.evict(Query query)
void	AbstractMapQueryResultsCache.evict(Query query, Map params)
void	JavaxCacheQueryResultCache.evict(Query query)
void	JavaxCacheQueryResultCache.evict(Query query, Map params)
void	QueryResultsCache.evict(Query query)	Evict the query from the results cache.
void	QueryResultsCache.evict(Query query, Map params)	Evict the query with the specified params from the results cache.
void	AbstractMapQueryResultsCache.pin(Query query)
void	AbstractMapQueryResultsCache.pin(Query query, Map params)
default void	QueryResultsCache.pin(Query query)	Method to pin the specified query in the cache, preventing garbage collection.
default void	QueryResultsCache.pin(Query query, Map params)	Method to pin the specified query in the cache, preventing garbage collection.
void	AbstractMapQueryResultsCache.unpin(Query query)
void	AbstractMapQueryResultsCache.unpin(Query query, Map params)
default void	QueryResultsCache.unpin(Query query)	Method to unpin the specified query from the cache, allowing garbage collection.
default void	QueryResultsCache.unpin(Query query, Map params)	Method to unpin the specified query from the cache, allowing garbage collection.

Uses of Query in org.datanucleus.store.query.inmemory

Fields in org.datanucleus.store.query.inmemory declared as Query

Modifier and Type	Field	Description
protected Query	JavaQueryInMemoryEvaluator.query	Underlying "string-based" query.

Methods in org.datanucleus.store.query.inmemory with parameters of type Query

Modifier and Type	Method	Description
protected abstract Collection	JavaQueryInMemoryEvaluator.evaluateSubquery(Query subquery, QueryCompilation compilation, Collection candidates, Object outerCandidate)	Method to evaluate a subquery of the query being evaluated.
protected Collection	JDOQLInMemoryEvaluator.evaluateSubquery(Query query, QueryCompilation compilation, Collection candidates, Object outerCandidate)	Method to evaluate a subquery of the query being evaluated.
protected Collection	JPQLInMemoryEvaluator.evaluateSubquery(Query query, QueryCompilation compilation, Collection candidates, Object outerCandidate)	Method to evaluate a subquery of the query being evaluated.

Constructors in org.datanucleus.store.query.inmemory with parameters of type Query

Constructor	Description
JavaQueryInMemoryEvaluator(String language, Query query, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr, Collection candidates)	Constructor for the evaluator of a query in the specified language.
JDOQLInMemoryEvaluator(Query query, Collection candidates, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr)	Constructor.
JPQLInMemoryEvaluator(Query query, Collection candidates, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr)	Constructor.