Package org.cristalise.kernel.collection

Class AggregationMember

java.lang.Object

org.cristalise.kernel.graph.model.Vertex

org.cristalise.kernel.graph.model.GraphableVertex

org.cristalise.kernel.collection.AggregationMember

All Implemented Interfaces:

CollectionMember

public class AggregationMember
extends GraphableVertex
implements CollectionMember

A CollectionMember, or slot, of an Aggregation instance or description. Verifies type information of Items during assignment based on PropertyDescription information stored in slot properties and listed as ClassProps.

Field Summary

Fields inherited from class org.cristalise.kernel.graph.model.GraphableVertex

mIsComposite

Constructor Summary

Constructors

Constructor	Description
AggregationMember()

Method Summary

Modifier and Type	Method	Description
void	assignItem(ItemPath itemPath, TransactionKey transactionKey)	Assign the given item to the slot, if it fits
void	clearItem()	De-assign the slot, leaving it empty.
String	getChildUUID()	Returns the UUID of the currently assigned Item
String	getClassProps()	Gets the class properties, which specify type information in child Items.
Aggregation	getCollection()
String	getItemName()
ItemPath	getItemPath()	Returns the current assigned ItemPath
ItemProxy	resolveItem(TransactionKey transactionKey)	Resolve the Item currently assigned
void	setChildUUID(String uuid)
void	setClassProps(String props)
void	setCollection(Aggregation aggregation)

Methods inherited from class org.cristalise.kernel.graph.model.GraphableVertex

addChild, deriveVersionNumber, getBuiltInProperty, getBuiltInProperty, getCentrePoint, getChildren, getChildrenEdges, getChildrenGraphModel, getCreationContext, getInEdgeIds, getInEdges, getInGraphables, getIsComposite, getIsLayoutable, getKeyValuePairs, getLayoutableChildren, getOtherPairingID, getOutEdgeIds, getOutEdges, getOutGraphables, getOutlinePoints, getPairingId, getParent, getPath, getProperties, isMyPair, search, setBuiltInProperty, setChildrenGraphModel, setIsComposite, setIsLayoutable, setKeyValuePairs, setParent, setProperties, updatePropertiesFromCollection, updatePropertiesFromCollection

Methods inherited from class org.cristalise.kernel.graph.model.Vertex

addInEdgeId, addOutEdgeId, clearTag, containsPoint, hasTag, isJoin, isLoop, moveAbsolute, removeInEdgeId, removeOutEdgeId, setInEdgeIds, setOutEdgeIds, setOutlinePoints, setTag

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cristalise.kernel.collection.CollectionMember

getID, getProperties

Constructor Details

AggregationMember

public AggregationMember()

Method Details

setCollection

public void setCollection(Aggregation aggregation)

setClassProps

public void setClassProps(String props)

getItemPath

public ItemPath getItemPath()

Description copied from interface: CollectionMember

Returns the current assigned ItemPath

Specified by:

getItemPath in interface CollectionMember

Returns:

the ItemPath, null if empty

getCollection

public Aggregation getCollection()

getClassProps

public String getClassProps()

Description copied from interface: CollectionMember

Gets the class properties, which specify type information in child Items. On instantiation from a CollectionDescription, the ClassProps are generated from the PropertyDescriptions which have the isClassIdentifier boolean set to true.

Specified by:

getClassProps in interface CollectionMember

Returns:

Comma-separated list of property names that relate to Item type

assignItem

public void assignItem(ItemPath itemPath,
 TransactionKey transactionKey)
                throws InvalidCollectionModification

Description copied from interface: CollectionMember

Assign the given item to the slot, if it fits

Specified by:

assignItem in interface CollectionMember

Parameters:

itemPath - The item to assign

Throws:

InvalidCollectionModification - When the Item Properties don't match the typing specification in ClassProps and Properties

clearItem

public void clearItem()

Description copied from interface: CollectionMember

De-assign the slot, leaving it empty.

Specified by:

clearItem in interface CollectionMember

resolveItem

public ItemProxy resolveItem(TransactionKey transactionKey)
                      throws ObjectNotFoundException

Description copied from interface: CollectionMember

Resolve the Item currently assigned

Specified by:

resolveItem in interface CollectionMember

Returns:

the ItemProxy of the assigned Item

Throws:

ObjectNotFoundException - When empty

getItemName

public String getItemName()

setChildUUID

public void setChildUUID(String uuid)
                  throws InvalidCollectionModification,
InvalidItemPathException

Throws:

InvalidCollectionModification

InvalidItemPathException

getChildUUID

public String getChildUUID()

Description copied from interface: CollectionMember

Returns the UUID of the currently assigned Item

Specified by:

getChildUUID in interface CollectionMember

Returns:

UUID