com.mysema.query.jdoql
Class AbstractJDOQLQuery<Q extends AbstractJDOQLQuery<Q>>

java.lang.Object
  com.mysema.query.support.QueryBase<Q>
      com.mysema.query.support.ProjectableQuery<Q>
          com.mysema.query.jdoql.AbstractJDOQLQuery<Q>

Type Parameters:

Q -

All Implemented Interfaces:

Projectable, Closeable

Direct Known Subclasses:

JDOQLQueryImpl

public abstract class AbstractJDOQLQuery<Q extends AbstractJDOQLQuery<Q>>
extends ProjectableQuery<Q>
implements Closeable

Abstract base class for custom implementations of the JDOQLQuery interface.

Author:

tiwe

Field Summary

Fields inherited from class com.mysema.query.support.QueryBase

queryMixin

Constructor Summary

AbstractJDOQLQuery(javax.jdo.PersistenceManager persistenceManager)

AbstractJDOQLQuery(javax.jdo.PersistenceManager persistenceManager, JDOQLTemplates templates, QueryMetadata metadata, boolean detach)

Method Summary

Q	addFetchGroup(String fetchGroupName)
void	close()
long	count() return the amount of matched rows
Q	from(PEntity<?>... args)
QueryMetadata	getMetadata()
JDOQLTemplates	getTemplates()
boolean	isDetach()
com.mysema.commons.lang.CloseableIterator<Object[]>	iterate(Expr<?>[] args) iterate over the results for the given projection
<RT> com.mysema.commons.lang.CloseableIterator<RT>	iterate(Expr<RT> projection) iterate over the results for the given projection
List<Object[]>	list(Expr<?>[] args) list the results for the given projection
<RT> List<RT>	list(Expr<RT> expr) list the results for the given projection
<RT> SearchResults<RT>	listResults(Expr<RT> expr) list the results for the given projection
Q	setMaxFetchDepth(int depth)
String	toString()
<RT> RT	uniqueResult(Expr<RT> expr) return a unique result for the given projection

Methods inherited from class com.mysema.query.support.ProjectableQuery

countDistinct, iterate, iterateDistinct, iterateDistinct, iterateDistinct, list, listDistinct, listDistinct, listDistinct, listDistinctResults, map, uniqueResult, uniqueResult

Methods inherited from class com.mysema.query.support.QueryBase

groupBy, having, limit, offset, orderBy, restrict, set, where

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractJDOQLQuery

public AbstractJDOQLQuery(@Nullable
                          javax.jdo.PersistenceManager persistenceManager)

AbstractJDOQLQuery

public AbstractJDOQLQuery(@Nullable
                          javax.jdo.PersistenceManager persistenceManager,
                          JDOQLTemplates templates,
                          QueryMetadata metadata,
                          boolean detach)

Method Detail

addFetchGroup

public Q addFetchGroup(String fetchGroupName)

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Throws:

IOException

count

public long count()

Description copied from interface: Projectable

return the amount of matched rows

Specified by:

count in interface Projectable

from

public Q from(PEntity<?>... args)

getMetadata

public QueryMetadata getMetadata()

getTemplates

public JDOQLTemplates getTemplates()

isDetach

public boolean isDetach()

iterate

public com.mysema.commons.lang.CloseableIterator<Object[]> iterate(Expr<?>[] args)

Description copied from interface: Projectable

iterate over the results for the given projection

Specified by:

iterate in interface Projectable

Returns:

iterate

public <RT> com.mysema.commons.lang.CloseableIterator<RT> iterate(Expr<RT> projection)

Description copied from interface: Projectable

iterate over the results for the given projection

Specified by:

iterate in interface Projectable

Type Parameters:

RT - generic type of the Iteratpr

Returns:

an Iterator over the projection

list

public List<Object[]> list(Expr<?>[] args)

Description copied from interface: Projectable

list the results for the given projection

Specified by:

list in interface Projectable

Overrides:

list in class ProjectableQuery<Q extends AbstractJDOQLQuery<Q>>

Returns:

list

public <RT> List<RT> list(Expr<RT> expr)

Description copied from interface: Projectable

list the results for the given projection

Specified by:

list in interface Projectable

Overrides:

list in class ProjectableQuery<Q extends AbstractJDOQLQuery<Q>>

Type Parameters:

RT - generic type of the List

Returns:

a List over the projection

listResults

public <RT> SearchResults<RT> listResults(Expr<RT> expr)

Description copied from interface: Projectable

list the results for the given projection

Specified by:

listResults in interface Projectable

Returns:

setMaxFetchDepth

public Q setMaxFetchDepth(int depth)

toString

public String toString()

Overrides:

toString in class QueryBase<Q extends AbstractJDOQLQuery<Q>>

uniqueResult

public <RT> RT uniqueResult(Expr<RT> expr)

Description copied from interface: Projectable

return a unique result for the given projection

Specified by:

uniqueResult in interface Projectable

Overrides:

uniqueResult in class ProjectableQuery<Q extends AbstractJDOQLQuery<Q>>

Type Parameters:

RT - return type

Returns:

the result or null for an empty result