XCSG:DataFlow (Node)
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DataFlow nodes represent locations in a program at which new data is created (such as the result of an addition), transferred (such as an Assignment), or consumed (such as a Condition).
Specification
Metaclass | DataFlow (Node) |
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Extends | Node |
Description | Represents the creation, transfer, or consumption of data. |
All Superkinds | Node, ModelElement |
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Specified In Edges | |||
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In Edge | Predecessor | Multiplicity | Description |
DataFlow (Edge) | DataFlow (Node) | ✱ | Connects DataFlow nodes to one another and to Variables, linking the origin of data to locations that it is modified or consumed. |
Variable | ✱ |
Specified Out Edges | |||
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Out Edge | Successor | Multiplicity | Description |
ArrayIdentityFor | ArrayAccess | 1 | Connects a DataFlow (Node) containing an array reference or pointer to the ArrayAccess representing the associated ArrayRead or ArrayWrite. |
ArrayIndexFor | ArrayAccess | 1 | Connects a DataFlow (Node) containing a value used as an array index to the ArrayAccess representing the associated ArrayRead or ArrayWrite. |
Java:ArrayLengthPassedTo | ArrayInstantiation | 1 | Connects a DataFlow (Node) representing the integer length expression to an ArrayInstantiation. |
DataFlow (Edge) | DataFlow (Node) | ✱ | Connects DataFlow nodes to one another and to Variables, linking the origin of data to locations that it is modified or consumed. |
Variable | ✱ | ||
DefinedAs | TypeAlias | 0..1 | Connects a Variable or DataFlow node which received its Type via a TypeAlias (such as a C/C++ typedef) to that TypeAlias. |
InstanceVariableWritten | InstanceVariableAssignment | ✱ | Connects a value (DataFlow (Node) or Variable) representing an object instance to an InstanceVariableAssignment representing a write to a field of that object. |
TypeOf | Type | 1 | Links a Variable or DataFlow node to its Type |
Known Possible In Edges | ||||
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In Edge | Predecessor | Multiplicity | Description | |
InterproceduralDataFlow | Variable | ✱ | Represents data flows between Functions, or involving Variables visible to multiple Functions. | |
LocalDataFlow | Parameter | ✱ | Within the scope of a particular Function, connects Parameters to DataFlow nodes, and DataFlow nodes to one another, indicating flow of information within that Function. | |
DataFlow (Node) | ✱ | |||
ProgramVariable | ✱
| |||
Inherited From | In Edge | Predecessor | Multiplicity | Description |
Node | Contains | Node | 1 | Indicates that the predecessor contains the successor in a sense specified by the specific type of Contains edge. |
Known Possible Out Edges | ||||
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Out Edge | Successor | Multiplicity | Description | |
LocalDataFlow | DataFlow (Node) | ✱ | Within the scope of a particular Function, connects Parameters to DataFlow nodes, and DataFlow nodes to one another, indicating flow of information within that Function.
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Inherited From | Out Edge | Successor | Multiplicity | Description |
Node | Contains | Node | ✱ | Indicates that the predecessor contains the successor in a sense specified by the specific type of Contains edge. |