Package org.eclipse.persistence.sdo
Class SDODataGraph
- java.lang.Object
-
- org.eclipse.persistence.sdo.SDODataGraph
-
- All Implemented Interfaces:
commonj.sdo.DataGraph
,Serializable
public class SDODataGraph extends Object implements commonj.sdo.DataGraph
Purpose:A data graph is used to package a graph of
data objects
along with their metadata, that is, data describing the data. A data graph also contains achange summary
which is used to record changes made to the objects in the graph.- See Also:
- Serialized Form
-
-
Constructor Summary
Constructors Constructor Description SDODataGraph(commonj.sdo.helper.HelperContext helperContext)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description SDODataObject
createRootObject(commonj.sdo.Type type)
Creates a new root data object of the specified type.SDODataObject
createRootObject(String namespaceURI, String typeName)
Creates a new root data object of thespecified type
.SDOChangeSummary
getChangeSummary()
Returns thechange summary
associated with this data graph.SDODataObject
getRootObject()
Returns the rootdata object
of this data graph.SDOType
getType(String uri, String typeName)
Returns thetype
with the given theURI
, or contained by the resource at the given URI, and with the givenname
.
-
-
-
Method Detail
-
getRootObject
public SDODataObject getRootObject()
Returns the rootdata object
of this data graph.- Specified by:
getRootObject
in interfacecommonj.sdo.DataGraph
- Returns:
- the root data object.
- See Also:
DataObject.getDataGraph()
-
getChangeSummary
public SDOChangeSummary getChangeSummary()
Returns thechange summary
associated with this data graph.- Specified by:
getChangeSummary
in interfacecommonj.sdo.DataGraph
- Returns:
- the change summary.
- See Also:
ChangeSummary.getDataGraph()
-
getType
public SDOType getType(String uri, String typeName)
Returns thetype
with the given theURI
, or contained by the resource at the given URI, and with the givenname
.- Specified by:
getType
in interfacecommonj.sdo.DataGraph
- Parameters:
uri
- the namespace URI of a type or the location URI of a resource containing a type.typeName
- name of a type.- Returns:
- the type with the corresponding namespace and name.
-
createRootObject
public SDODataObject createRootObject(String namespaceURI, String typeName)
Creates a new root data object of thespecified type
. An exception is thrown if a root object exists.- Specified by:
createRootObject
in interfacecommonj.sdo.DataGraph
- Parameters:
namespaceURI
- namespace of the type.typeName
- name of the type.- Returns:
- the new root.
- Throws:
IllegalStateException
- if the root object already exists.- See Also:
createRootObject(Type)
,getType(String, String)
-
createRootObject
public SDODataObject createRootObject(commonj.sdo.Type type)
Creates a new root data object of the specified type. An exception is thrown if a root object exists.- Specified by:
createRootObject
in interfacecommonj.sdo.DataGraph
- Parameters:
type
- the type of the new root.- Returns:
- the new root.
- Throws:
IllegalStateException
- if the root object already exists.- See Also:
createRootObject(String, String)
-
-