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

Packages that use Query

Package	Description
org.datanucleus	This package provides classes that are typically externally called, whether that means by developers or by other DataNucleus plugins.
org.datanucleus.cache	This package provides classes implementing caching within DataNucleus.
org.datanucleus.query	This package provides general classes for querying across all datastores in particular languages.
org.datanucleus.query.evaluator	Package providing the basis for evaluation of a string-based query.
org.datanucleus.store.federation	Package providing management for federation of datastores.
org.datanucleus.store.query	Package providing implementation of query language support for datastores.
org.datanucleus.store.query.cache	Package providing definition of caching for queries.

Uses of Query in org.datanucleus

Methods in org.datanucleus that return Query

Modifier and Type	Method and Description
Query	ExecutionContext.newQuery() Accessor for a new Query.
Query	ExecutionContextImpl.newQuery() Construct an empty query instance.
Query	ExecutionContextThreadedImpl.newQuery()

Uses of Query in org.datanucleus.cache

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

Modifier and Type	Method and Description
void	JavaxCacheQueryResultCache.evict(Query query)
void	JavaxCacheQueryResultCache.evict(Query query, Map params)
void	JavaxCacheQueryResultCache.pin(Query query)
void	JavaxCacheQueryResultCache.pin(Query query, Map params)
void	JavaxCacheQueryResultCache.unpin(Query query)
void	JavaxCacheQueryResultCache.unpin(Query query, Map params)

Uses of Query in org.datanucleus.query

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

Modifier and Type	Method and Description
static String	QueryUtils.getKeyForQueryResultsCache(Query query, Map params) Convenience method to generate the "key" for storing the query results of a query with parameters.
static boolean	QueryUtils.queryReturnsSingleRow(Query query) Convenience method to return whether the query should return a single row.

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

Constructor and Description
JDOQLSingleStringParser(Query query, String queryString) Constructor for the Single-String parser.
JPQLSingleStringParser(Query query, String queryString) Constructor for the Single-String parser.

Uses of Query in org.datanucleus.query.evaluator

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

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

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

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

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

Constructor and Description
JavaQueryEvaluator(String language, Query query, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr, Collection candidates) Constructor for the evaluator of a query in the specified language.
JDOQLEvaluator(Query query, Collection candidates, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr) Constructor.
JPQLEvaluator(Query query, Collection candidates, QueryCompilation compilation, Map parameterValues, ClassLoaderResolver clr) Constructor.

Uses of Query in org.datanucleus.store.federation

Subclasses of Query in org.datanucleus.store.federation

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

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

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

Uses of Query in org.datanucleus.store.query

Subclasses of Query in org.datanucleus.store.query

Modifier and Type	Class and Description
class	AbstractJavaQuery 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	AbstractSQLQuery Base definition of a query using SQL.
class	AbstractStoredProcedureQuery Abstract representation of a stored procedure query.

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

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

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

Modifier and Type	Method and Description
Query	Query.SubqueryDefinition.getQuery()
Query	QueryManager.newQuery(String language, ExecutionContext ec, Object query) Method to generate a new query using the passed query as basis.

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

Modifier and Type	Method and Description
void	QueryManager.addDatastoreQueryResult(Query query, Map params, List<Object> results) Method to store the results for a query.
void	Query.addSubquery(Query sub, String variableDecl, String candidateExpr, Map paramMap) Method to add a subquery to this query.
List<Object>	QueryManager.getDatastoreQueryResult(Query query, Map params) Accessor for the results for a query.

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

Constructor and Description
AbstractQueryResult(Query query) Constructor of the result from a Query.
CandidateIdsQueryResult(Query query, List<Object> ids)
Query.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 and Description
void	QueryResultsCache.evict(Query query) Evict the query from the results cache.
void	AbstractQueryResultsCache.evict(Query query)
void	QueryResultsCache.evict(Query query, Map params) Evict the query with the specified params from the results cache.
void	AbstractQueryResultsCache.evict(Query query, Map params)
void	QueryResultsCache.pin(Query query) Method to pin the specified query in the cache, preventing garbage collection.
void	AbstractQueryResultsCache.pin(Query query)
void	QueryResultsCache.pin(Query query, Map params) Method to pin the specified query in the cache, preventing garbage collection.
void	AbstractQueryResultsCache.pin(Query query, Map params)
void	QueryResultsCache.unpin(Query query) Method to unpin the specified query from the cache, allowing garbage collection.
void	AbstractQueryResultsCache.unpin(Query query)
void	QueryResultsCache.unpin(Query query, Map params) Method to unpin the specified query from the cache, allowing garbage collection.
void	AbstractQueryResultsCache.unpin(Query query, Map params)