Package org.apache.cayenne.map

Class SelectQueryDescriptor

java.lang.Object

org.apache.cayenne.map.QueryDescriptor

org.apache.cayenne.map.SelectQueryDescriptor

All Implemented Interfaces:

Serializable, ConfigurationNode, XMLSerializable

public class SelectQueryDescriptor
extends QueryDescriptor

Since:

4.0

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final boolean	DISTINCT_DEFAULT
static final String	DISTINCT_PROPERTY
protected List<Ordering>	orderings
protected Map<String,Integer>	prefetchesMap
protected Expression	qualifier

Fields inherited from class org.apache.cayenne.map.QueryDescriptor

DATA_MAP_ROOT, dataMap, DB_ENTITY_ROOT, EJBQL_QUERY, JAVA_CLASS_ROOT, name, OBJ_ENTITY_ROOT, PROCEDURE_QUERY, PROCEDURE_ROOT, properties, root, SELECT_QUERY, SQL_TEMPLATE, type

Constructor Summary

Constructors

Constructor	Description
SelectQueryDescriptor()

Method Summary

Modifier and Type	Method	Description
void	addOrdering(Ordering ordering)	Adds single ordering for this query.
void	addPrefetch(String prefetchPath)	Deprecated. since 4.1 use addPrefetch(String, int)
void	addPrefetch(String prefetchPath, int semantics)	Adds prefetch path with semantics to this query.
ObjectSelect<?>	buildQuery()	Assembles Cayenne query instance of appropriate type from this descriptor.
void	encodeAsXML(XMLEncoder encoder, ConfigurationNodeVisitor delegate)	Prints itself as XML to the provided XMLEncoder.
List<Ordering>	getOrderings()	Returns list of orderings for this query.
List<String>	getPrefetches()	Deprecated. since 4.1 use getPrefetchesMap().
Map<String,Integer>	getPrefetchesMap()	Returns map of prefetch paths with semantics for this query.
Expression	getQualifier()	Returns qualifier of this query.
boolean	isDistinct()
void	removeOrdering(Ordering ordering)	Removes single ordering from this query.
void	removePrefetch(String prefetchPath)	Removes single prefetch path from this query.
void	setDistinct(boolean value)
void	setOrderings(List<Ordering> orderings)	Sets list of orderings for this query.
void	setPrefetches(List<String> prefetches)	Deprecated. since 4.1 use setPrefetchesMap(HashMap).
void	setPrefetchesMap(HashMap<String,Integer> prefetchesMap)	Sets map of prefetch paths with semantics for this query.
void	setQualifier(Expression qualifier)	Sets qualifier for this query.

Methods inherited from class org.apache.cayenne.map.QueryDescriptor

acceptVisitor, descriptor, ejbqlQueryDescriptor, getDataMap, getName, getProperties, getProperty, getRoot, getType, procedureQueryDescriptor, selectQueryDescriptor, setDataMap, setName, setProperties, setProperty, setRoot, setType, sqlTemplateDescriptor

Methods inherited from class java.lang.Object

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

Field Details

DISTINCT_PROPERTY

public static final String DISTINCT_PROPERTY

See Also:

• Constant Field Values

DISTINCT_DEFAULT

public static final boolean DISTINCT_DEFAULT

See Also:

• Constant Field Values

qualifier

protected Expression qualifier

orderings

protected List<Ordering> orderings

prefetchesMap

protected Map<String,Integer> prefetchesMap

Constructor Details

SelectQueryDescriptor

public SelectQueryDescriptor()

Method Details

setDistinct

public void setDistinct(boolean value)

isDistinct

public boolean isDistinct()

getQualifier

public Expression getQualifier()

Returns qualifier of this query.

setQualifier

public void setQualifier(Expression qualifier)

Sets qualifier for this query.

getOrderings

public List<Ordering> getOrderings()

Returns list of orderings for this query.

setOrderings

public void setOrderings(List<Ordering> orderings)

Sets list of orderings for this query.

addOrdering

public void addOrdering(Ordering ordering)

Adds single ordering for this query.

removeOrdering

public void removeOrdering(Ordering ordering)

Removes single ordering from this query.

getPrefetchesMap

public Map<String,Integer> getPrefetchesMap()

Returns map of prefetch paths with semantics for this query.

Since:

4.1

getPrefetches

@Deprecated
public List<String> getPrefetches()

Deprecated.

since 4.1 use getPrefetchesMap().

Returns list of prefetch paths for this query.

setPrefetchesMap

public void setPrefetchesMap(HashMap<String,Integer> prefetchesMap)

Sets map of prefetch paths with semantics for this query.

Since:

4.1

setPrefetches

@Deprecated
public void setPrefetches(List<String> prefetches)

Deprecated.

since 4.1 use setPrefetchesMap(HashMap).

Sets list of prefetch paths for this query.

addPrefetch

public void addPrefetch(String prefetchPath,
 int semantics)

Adds prefetch path with semantics to this query.

Since:

4.1

addPrefetch

@Deprecated
public void addPrefetch(String prefetchPath)

Deprecated.

since 4.1 use addPrefetch(String, int)

Adds single prefetch path to this query.

removePrefetch

public void removePrefetch(String prefetchPath)

Removes single prefetch path from this query.

buildQuery

public ObjectSelect<?> buildQuery()

Description copied from class: QueryDescriptor

Assembles Cayenne query instance of appropriate type from this descriptor.

Overrides:

buildQuery in class QueryDescriptor

encodeAsXML

public void encodeAsXML(XMLEncoder encoder,
 ConfigurationNodeVisitor delegate)

Description copied from interface: XMLSerializable

Prints itself as XML to the provided XMLEncoder.

Specified by:

encodeAsXML in interface XMLSerializable

Overrides:

encodeAsXML in class QueryDescriptor