Package org.cristalise.kernel.collection

Class AggregationDescription

java.lang.Object

org.cristalise.kernel.collection.Collection<AggregationMember>

org.cristalise.kernel.collection.Aggregation

org.cristalise.kernel.collection.AggregationDescription

All Implemented Interfaces:

CollectionDescription<AggregationMember>, C2KLocalObject

public class AggregationDescription
extends Aggregation
implements CollectionDescription<AggregationMember>

The description of a Collection with a graph layout. Each slot is instantiated empty in the resulting Aggregation, with ClassProps taken from the PropertyDescription outcome of the description slot's referenced Item.

Nested Class Summary

Nested classes/interfaces inherited from class org.cristalise.kernel.collection.Collection

Collection.Cardinality, Collection.Type

Field Summary

Fields inherited from class org.cristalise.kernel.collection.Aggregation

mLayout

Fields inherited from class org.cristalise.kernel.collection.Collection

mMembers, mName, mVersion

Constructor Summary

Constructors

Constructor	Description
AggregationDescription()
AggregationDescription(String name)
AggregationDescription(String name, Integer version)

Method Summary

Modifier and Type	Method	Description
Aggregation	newInstance(TransactionKey transactionKey)	For each member get the PropertyDescriptionList of the member item and look for an explicit version

Methods inherited from class org.cristalise.kernel.collection.Aggregation

addMember, addMember, addMember, addSlot, addSlot, exists, getIsComposite, getLayout, getMemberPair, getVertexTypeNameAndConstructionInfo, removeMember, setLayout

Methods inherited from class org.cristalise.kernel.collection.Collection

contains, equals, getClusterPath, getClusterType, getCounter, getDescVer, getMember, getMember, getMembers, getName, getVersion, getVersionName, hashCode, isFull, removeMember, resolveMembers, resolveMembers, resolveMembers, setMembers, setName, setVersion, size

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.cristalise.kernel.entity.C2KLocalObject

getClusterPath, getClusterType, getName, setName

Constructor Details

AggregationDescription

public AggregationDescription()

AggregationDescription

public AggregationDescription(String name)

AggregationDescription

public AggregationDescription(String name,
 Integer version)

Method Details

newInstance

public Aggregation newInstance(TransactionKey transactionKey)
                        throws ObjectNotFoundException

For each member get the PropertyDescriptionList of the member item and look for an explicit version

Specified by:

newInstance in interface CollectionDescription<AggregationMember>

Parameters:

transactionKey - the key of the current transaction

Returns:

a new collection instance

Throws:

ObjectNotFoundException - When an essential piece of description data, such as a child Item PropertyDescription outcome, doesn't exist.