com.whitestein.lsps.engine.lang

Class AssociationEnd

java.lang.Object

com.whitestein.lsps.engine.lang.AssociationEnd

public abstract class AssociationEnd
extends Object

Abstracts ends of associations with different multiplicities.

Author:

bhl

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AssociationEnd(ModelInstance modelInstance, ModelProvider modelProvider, RecordHolder holder, RecordProperty recordProperty) Creates new instance.

Method Summary

Modifier and Type	Method and Description
abstract void	addEntity(RecordHolder entity) Adds an entity.
abstract void	checkProxyLevel(Object object) Record can create association to records with proxy level same or lower.
protected void	checkProxyLevelForEntity(RecordHolder entity)
protected void	fireExternalEntityChange() Fire external record change.
protected abstract void	fix() Fixes the end (conversion of nulls to empty collections and list re-indexing).
protected Object	get() Returns the field value.
static AssociationEnd	get(ModelInstance modelInstance, ModelProvider modelProvider, RecordHolder holder, RecordProperty recordProperty) Creates and returns an recordProperty end.
abstract Collection<RecordHolder>	getEntities() Returns a collection of the entities.
protected RecordHolder	getEntity() Returns holder to update
protected abstract Object	getFix()
protected Namespace	getMainExecutionNamespace(String level) Returns main execution context in required execution level.
protected ModelInstance	getModelInstance() Returns model instance
protected RecordProperty	getRecordProperty() Returns record property
protected boolean	hasOwnProperty() Returns true if the record holder contains specified property.
protected boolean	isUpdateNecessary() Returns true if the update should be performed.
abstract void	removeEntity(RecordHolder entity) Removes an entity.
protected void	set(Object object) Sets the field value.
abstract void	setEntities(Collection<RecordHolder> entities) Sets entities.

Methods inherited from class java.lang.Object

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

Constructor Detail

AssociationEnd

protected AssociationEnd(ModelInstance modelInstance,
                         ModelProvider modelProvider,
                         RecordHolder holder,
                         RecordProperty recordProperty)

Creates new instance.

Parameters:

modelInstance -

modelProvider -

holder -

recordProperty -

Method Detail

get

public static AssociationEnd get(ModelInstance modelInstance,
                                 ModelProvider modelProvider,
                                 RecordHolder holder,
                                 RecordProperty recordProperty)

Creates and returns an recordProperty end.

Parameters:

modelInstance -

modelProvider -

holder -

recordProperty -

Returns:

the created recordProperty end

getEntities

public abstract Collection<RecordHolder> getEntities()

Returns a collection of the entities.

Returns:

a collection of the entities

addEntity

public abstract void addEntity(RecordHolder entity)

Adds an entity.

Parameters:

entity -

removeEntity

public abstract void removeEntity(RecordHolder entity)

Removes an entity.

Parameters:

entity -

setEntities

public abstract void setEntities(Collection<RecordHolder> entities)

Sets entities.

Parameters:

entities -

fix

protected abstract void fix()

Fixes the end (conversion of nulls to empty collections and list re-indexing).

getFix

protected abstract Object getFix()

get

protected Object get()

Returns the field value.

Returns:

the field value

hasOwnProperty

protected boolean hasOwnProperty()

Returns true if the record holder contains specified property. For non-base records it means that the property was changed.

Returns:

true if the record holder contains specified property

set

protected void set(Object object)

Sets the field value.

Parameters:

object -

fireExternalEntityChange

protected void fireExternalEntityChange()

Fire external record change.

getEntity

protected RecordHolder getEntity()

Returns holder to update

Returns:

holder to update

getRecordProperty

protected RecordProperty getRecordProperty()

Returns record property

Returns:

record property

getModelInstance

protected ModelInstance getModelInstance()

Returns model instance

Returns:

model instance

getMainExecutionNamespace

protected Namespace getMainExecutionNamespace(String level)

Returns main execution context in required execution level.

Parameters:

level -

Returns:

main execution context in required execution level

isUpdateNecessary

protected boolean isUpdateNecessary()

Returns true if the update should be performed.

Returns:

true if the update should be performed

checkProxyLevel

public abstract void checkProxyLevel(Object object)

Record can create association to records with proxy level same or lower.

Parameters:

object -

checkProxyLevelForEntity

protected void checkProxyLevelForEntity(RecordHolder entity)