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org.objectstyle.cayenne.access
Class EntityResolver  

java.lang.Object
  org.objectstyle.cayenne.access.EntityResolver

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public class EntityResolver

extends java.lang.Object

EntityResolver encapsulates resolving between ObjEntities, DbEntities, DataObject Classes, and Entity names. An instance is typically obtained from a QueryEngine by getEntityResolver. EntityResolver is thread-safe.

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Field Summary
protected  java.util.Map	dbEntityCache
protected  java.util.List	maps
protected  java.util.List	mapsRef
protected  java.util.Map	objEntityCache
protected  java.util.Map	procedureCache

 

Constructor Summary

EntityResolver()

EntityResolver(java.util.Collection dataMaps)           Constructor for EntityResolver.

 

Method Summary
private  org.objectstyle.cayenne.map.DbEntity	_lookupDbEntity(java.lang.Object object)           Internal usage only - provides the type-unsafe implementation which services the four typesafe public lookupDbEntity methods Looks in the DataMap's that this object was created with for the ObjEntity that maps to the specified object.
private  org.objectstyle.cayenne.map.ObjEntity	_lookupObjEntity(java.lang.Object object)           Internal usage only - provides the type-unsafe implementation which services the three typesafe public lookupObjEntity methods Looks in the DataMap's that this object was created with for the ObjEntity that maps to the specified object.
void	addDataMap(org.objectstyle.cayenne.map.DataMap map)           Adds a DataMap to the list handled by resolver.
protected  void	clearCache()           Removes all entity mappings from the cache.
protected  void	constructCache()           Creates caches of DbEntities by ObjEntity, DataObject class, and ObjEntity name using internal list of maps.
org.objectstyle.cayenne.map.DataMap	getDataMap(java.lang.String mapName)           Returns a DataMap matching the name.
java.util.Collection	getDataMaps()           Returns an unmodifiable collection of DataMaps.
org.objectstyle.cayenne.map.DbEntity	lookupDbEntity(java.lang.Class aClass)           Looks in the DataMap's that this object was created with for the DbEntity that services the specified class
org.objectstyle.cayenne.map.DbEntity	lookupDbEntity(org.objectstyle.cayenne.DataObject dataObject)           Looks in the DataMap's that this object was created with for the DbEntity that services the specified data Object
org.objectstyle.cayenne.map.DbEntity	lookupDbEntity(org.objectstyle.cayenne.map.ObjEntity entity)           Looks in the DataMap's that this object was created with for the DbEntity that services the specified objentity
org.objectstyle.cayenne.map.DbEntity	lookupDbEntity(org.objectstyle.cayenne.query.Query q)           Looks up the DbEntity for the given query by using the query's getRoot method and passing to lookupDbEntity
org.objectstyle.cayenne.map.DbEntity	lookupDbEntity(java.lang.String entityName)           Looks in the DataMap's that this object was created with for the DbEntity that services the class with the given name
org.objectstyle.cayenne.map.ObjEntity	lookupObjEntity(java.lang.Class aClass)           Looks in the DataMap's that this object was created with for the ObjEntity that maps to the services the specified class
org.objectstyle.cayenne.map.ObjEntity	lookupObjEntity(org.objectstyle.cayenne.DataObject dataObject)           Looks in the DataMap's that this object was created with for the ObjEntity that services the specified data Object
org.objectstyle.cayenne.map.ObjEntity	lookupObjEntity(org.objectstyle.cayenne.query.Query q)           Looks up the ObjEntity for the given query by using the query's getRoot method and passing to lookupObjEntity
org.objectstyle.cayenne.map.ObjEntity	lookupObjEntity(java.lang.String entityName)           Looks in the DataMap's that this object was created with for the ObjEntity that maps to the services the class with the given name
org.objectstyle.cayenne.map.Procedure	lookupProcedure(org.objectstyle.cayenne.query.Query q)
org.objectstyle.cayenne.map.Procedure	lookupProcedure(java.lang.String procedureName)
org.objectstyle.cayenne.query.SelectQuery	lookupQuery(java.lang.Class queryRoot, java.lang.String queryName)           Searches for the named query associated with the ObjEntity corresponding to the Java class specified.
void	removeDataMap(org.objectstyle.cayenne.map.DataMap map)
void	setDataMaps(java.util.Collection maps)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

dbEntityCache

protected java.util.Map dbEntityCache

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objEntityCache

protected java.util.Map objEntityCache

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procedureCache

protected java.util.Map procedureCache

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maps

protected java.util.List maps

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mapsRef

protected java.util.List mapsRef

Constructor Detail

EntityResolver

public EntityResolver()

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EntityResolver

public EntityResolver(java.util.Collection dataMaps)

Constructor for EntityResolver.

Method Detail

addDataMap

public void addDataMap(org.objectstyle.cayenne.map.DataMap map)

Adds a DataMap to the list handled by resolver.

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removeDataMap

public void removeDataMap(org.objectstyle.cayenne.map.DataMap map)

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getDataMap

public org.objectstyle.cayenne.map.DataMap getDataMap(java.lang.String mapName)

Returns a DataMap matching the name.

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setDataMaps

public void setDataMaps(java.util.Collection maps)

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getDataMaps

public java.util.Collection getDataMaps()

Returns an unmodifiable collection of DataMaps.

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clearCache

protected void clearCache()

Removes all entity mappings from the cache. Cache can be rebuilt either explicitly by calling constructCache, or on demand by calling any of the lookup... methods.

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constructCache

protected void constructCache()

Creates caches of DbEntities by ObjEntity, DataObject class, and ObjEntity name using internal list of maps.

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lookupDbEntity

public org.objectstyle.cayenne.map.DbEntity lookupDbEntity(java.lang.Class aClass)

Looks in the DataMap's that this object was created with for the DbEntity that services the specified class

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lookupDbEntity

public org.objectstyle.cayenne.map.DbEntity lookupDbEntity(org.objectstyle.cayenne.map.ObjEntity entity)

Looks in the DataMap's that this object was created with for the DbEntity that services the specified objentity

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lookupDbEntity

public org.objectstyle.cayenne.map.DbEntity lookupDbEntity(java.lang.String entityName)

Looks in the DataMap's that this object was created with for the DbEntity that services the class with the given name

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lookupDbEntity

public org.objectstyle.cayenne.map.DbEntity lookupDbEntity(org.objectstyle.cayenne.DataObject dataObject)

Looks in the DataMap's that this object was created with for the DbEntity that services the specified data Object

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_lookupDbEntity

private org.objectstyle.cayenne.map.DbEntity _lookupDbEntity(java.lang.Object object)

Internal usage only - provides the type-unsafe implementation which services the four typesafe public lookupDbEntity methods Looks in the DataMap's that this object was created with for the ObjEntity that maps to the specified object. Object may be a Entity name, ObjEntity, DataObject class (Class object for a class which implements the DataObject interface), or a DataObject instance itself

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lookupDbEntity

public org.objectstyle.cayenne.map.DbEntity lookupDbEntity(org.objectstyle.cayenne.query.Query q)

Looks up the DbEntity for the given query by using the query's getRoot method and passing to lookupDbEntity

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lookupObjEntity

public org.objectstyle.cayenne.map.ObjEntity lookupObjEntity(java.lang.Class aClass)

Looks in the DataMap's that this object was created with for the ObjEntity that maps to the services the specified class

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lookupObjEntity

public org.objectstyle.cayenne.map.ObjEntity lookupObjEntity(java.lang.String entityName)

Looks in the DataMap's that this object was created with for the ObjEntity that maps to the services the class with the given name

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lookupObjEntity

public org.objectstyle.cayenne.map.ObjEntity lookupObjEntity(org.objectstyle.cayenne.DataObject dataObject)

Looks in the DataMap's that this object was created with for the ObjEntity that services the specified data Object

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_lookupObjEntity

private org.objectstyle.cayenne.map.ObjEntity _lookupObjEntity(java.lang.Object object)

Internal usage only - provides the type-unsafe implementation which services the three typesafe public lookupObjEntity methods Looks in the DataMap's that this object was created with for the ObjEntity that maps to the specified object. Object may be a Entity name, DataObject instance or DataObject class (Class object for a class which implements the DataObject interface)

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lookupObjEntity

public org.objectstyle.cayenne.map.ObjEntity lookupObjEntity(org.objectstyle.cayenne.query.Query q)

Looks up the ObjEntity for the given query by using the query's getRoot method and passing to lookupObjEntity

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lookupQuery

public org.objectstyle.cayenne.query.SelectQuery lookupQuery(java.lang.Class queryRoot,
                                                             java.lang.String queryName)

Searches for the named query associated with the ObjEntity corresponding to the Java class specified. Returns such query if found, null otherwise.

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lookupProcedure

public org.objectstyle.cayenne.map.Procedure lookupProcedure(org.objectstyle.cayenne.query.Query q)

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lookupProcedure

public org.objectstyle.cayenne.map.Procedure lookupProcedure(java.lang.String procedureName)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> objectstyle >> cayenne >> [ access overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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