er.extensions.eof

Class ERXDetailDataSource

java.lang.Object

com.webobjects.eocontrol.EODataSource

com.webobjects.eocontrol.EODetailDataSource

er.extensions.eof.ERXDetailDataSource

All Implemented Interfaces:

com.webobjects.eocontrol.EOKeyValueArchiving, Serializable

public class ERXDetailDataSource
extends com.webobjects.eocontrol.EODetailDataSource

Enhanced version of EODetailDataSource to allow setting of an auxiliary qualifier that is applied on the detail objects for filtering as EODatabaseDataSource does.

See Also:

EODatabaseDataSource, Serialized Form

Author:

jw

Nested Class Summary

Nested classes/interfaces inherited from interface com.webobjects.eocontrol.EOKeyValueArchiving

com.webobjects.eocontrol.EOKeyValueArchiving._NullValueSupport, com.webobjects.eocontrol.EOKeyValueArchiving._NumberSupport, com.webobjects.eocontrol.EOKeyValueArchiving._TimestampSupport, com.webobjects.eocontrol.EOKeyValueArchiving.Awaking, com.webobjects.eocontrol.EOKeyValueArchiving.FinishInitialization, com.webobjects.eocontrol.EOKeyValueArchiving.Support

Field Summary

Fields

Modifier and Type	Field and Description
protected com.webobjects.eocontrol.EOQualifier	_auxiliaryQualifier

Fields inherited from class com.webobjects.eocontrol.EODetailDataSource

_CLASS

Constructor Summary

Constructors

Constructor and Description
ERXDetailDataSource(com.webobjects.eocontrol.EOClassDescription masterClassDescription, String key) Creates and returns a new ERXDetailDataSource object.
ERXDetailDataSource(com.webobjects.eocontrol.EODataSource masterDataSource, String key) Creates and returns a new ERXDetailDataSource object.
ERXDetailDataSource(String masterEntityName, String key) Creates and returns a new ERXDetailDataSource object.

Method Summary

Modifier and Type	Method and Description
com.webobjects.eocontrol.EOQualifier	auxiliaryQualifier() Returns the auxiliary EOQualifier used to filter the detail objects of the master object.
static Object	decodeWithKeyValueUnarchiver(com.webobjects.eocontrol.EOKeyValueUnarchiver unarchiver) Provides conformance to EOKeyValueArchiving.
void	encodeWithKeyValueArchiver(com.webobjects.eocontrol.EOKeyValueArchiver archiver)
NSArray	fetchObjects()
void	setAuxiliaryQualifier(com.webobjects.eocontrol.EOQualifier newQualifier) Sets the auxiliary qualifier to newQualifier.

Methods inherited from class com.webobjects.eocontrol.EODetailDataSource

classDescriptionForObjects, dataSourceQualifiedByKey, deleteObject, detailKey, editingContext, insertObject, masterClassDescription, masterDataSource, masterObject, qualifyWithRelationshipKey, setDetailKey, setMasterClassDescription

Methods inherited from class com.webobjects.eocontrol.EODataSource

createObject

Methods inherited from class java.lang.Object

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

Field Detail

_auxiliaryQualifier

protected com.webobjects.eocontrol.EOQualifier _auxiliaryQualifier

Constructor Detail

ERXDetailDataSource

public ERXDetailDataSource(String masterEntityName,
                           String key)

Creates and returns a new ERXDetailDataSource object. The new data source's masterObject is associated with the class description of the given masterEntityName, and key is assigned to the new data source's detailKey. The constructor invokes qualifyWithRelationshipKey specifying key as the relationship key and null as the object.

Parameters:

masterEntityName - the entity name of the master object

key - keypath defining relationship on the master object

ERXDetailDataSource

public ERXDetailDataSource(com.webobjects.eocontrol.EOClassDescription masterClassDescription,
                           String key)

Creates and returns a new ERXDetailDataSource object. The new data source's masterObject is associated with masterClassDescription, and key is assigned to the new data source's detailKey. The constructor invokes qualifyWithRelationshipKey specifying key as the relationship key and null as the object.

Parameters:

masterClassDescription - class description for the master object

key - keypath defining relationship on the master object

ERXDetailDataSource

public ERXDetailDataSource(com.webobjects.eocontrol.EODataSource masterDataSource,
                           String key)

Creates and returns a new ERXDetailDataSource object. The new data source provides destination objects for the relationship named by a key from a masterObject in masterDataSource.

Parameters:

masterDataSource - provider of the master objects

key - the String giving the new relationship

Method Detail

setAuxiliaryQualifier

public void setAuxiliaryQualifier(com.webobjects.eocontrol.EOQualifier newQualifier)

Sets the auxiliary qualifier to newQualifier. The auxiliary qualifier is used to filter the resulting detail objects of the master object.

Parameters:

newQualifier - the new auxiliary EOQualifier

auxiliaryQualifier

public com.webobjects.eocontrol.EOQualifier auxiliaryQualifier()

Returns the auxiliary EOQualifier used to filter the detail objects of the master object.

Returns:

the auxiliary EOQualifier

fetchObjects

public NSArray fetchObjects()

Overrides:

fetchObjects in class com.webobjects.eocontrol.EODetailDataSource

decodeWithKeyValueUnarchiver

public static Object decodeWithKeyValueUnarchiver(com.webobjects.eocontrol.EOKeyValueUnarchiver unarchiver)

Provides conformance to EOKeyValueArchiving.

Parameters:

unarchiver - the unarchiver object

Returns:

decoded object from the archive

encodeWithKeyValueArchiver

public void encodeWithKeyValueArchiver(com.webobjects.eocontrol.EOKeyValueArchiver archiver)

Specified by:

encodeWithKeyValueArchiver in interface com.webobjects.eocontrol.EOKeyValueArchiving

Overrides:

encodeWithKeyValueArchiver in class com.webobjects.eocontrol.EODetailDataSource