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virtual vtkTypeBool | IsA (const char *type) |
| Return 1 if this class is the same type of (or a subclass of) the named class. More...
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vtkInformationIntegerRequestKey * | NewInstance () const |
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void | PrintSelf (ostream &os, vtkIndent indent) override |
| Methods invoked by print to print information about the object including superclasses. More...
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| vtkInformationIntegerRequestKey (const char *name, const char *location) |
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| ~vtkInformationIntegerRequestKey () override |
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bool | NeedToExecute (vtkInformation *pipelineInfo, vtkInformation *dobjInfo) override |
| Returns true if a value of type DataKey does not exist in dobjInfo or if it is different that the value stored in pipelineInfo using this key. More...
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void | StoreMetaData (vtkInformation *request, vtkInformation *pipelineInfo, vtkInformation *dobjInfo) override |
| Copies the value stored in pipelineInfo using this key into dobjInfo. More...
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void | CopyDefaultInformation (vtkInformation *request, vtkInformation *fromInfo, vtkInformation *toInfo) override |
| Copies the value stored in fromInfo using this key into toInfo if request has the REQUEST_UPDATE_EXTENT key. More...
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vtkInformationIntegerKey * | NewInstance () const |
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| vtkInformationIntegerKey (const char *name, const char *location) |
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| ~vtkInformationIntegerKey () override |
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void | Set (vtkInformation *info, int) |
| Get/Set the value associated with this key in the given information object. More...
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int | Get (vtkInformation *info) |
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void | ShallowCopy (vtkInformation *from, vtkInformation *to) override |
| Copy the entry associated with this key from one information object to another. More...
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void | Print (ostream &os, vtkInformation *info) override |
| Print the key's value in an information object to a stream. More...
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| vtkBaseTypeMacro (vtkInformationKey, vtkObjectBase) |
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void | Register (vtkObjectBase *) override |
| Prevent normal vtkObject reference counting behavior. More...
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void | UnRegister (vtkObjectBase *) override |
| Prevent normal vtkObject reference counting behavior. More...
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const char * | GetName () |
| Get the name of the key. More...
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const char * | GetLocation () |
| Get the location of the key. More...
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| vtkInformationKey (const char *name, const char *location) |
| Key instances are static data that need to be created and destroyed. More...
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| ~vtkInformationKey () override |
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virtual void | DeepCopy (vtkInformation *from, vtkInformation *to) |
| Duplicate (new instance created) the entry associated with this key from one information object to another (new instances of any contained vtkInformation and vtkInformationVector objects are created). More...
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virtual int | Has (vtkInformation *info) |
| Check whether this key appears in the given information object. More...
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virtual void | Remove (vtkInformation *info) |
| Remove this key from the given information object. More...
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virtual void | Report (vtkInformation *info, vtkGarbageCollector *collector) |
| Report a reference this key has in the given information object. More...
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void | Print (vtkInformation *info) |
| Print the key's value in an information object to a stream. More...
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virtual bool | NeedToExecute (vtkInformation *vtkNotUsed(pipelineInfo), vtkInformation *vtkNotUsed(dobjInfo)) |
| This function is only relevant when the pertaining key is used in a VTK pipeline. More...
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virtual void | StoreMetaData (vtkInformation *vtkNotUsed(request), vtkInformation *vtkNotUsed(pipelineInfo), vtkInformation *vtkNotUsed(dobjInfo)) |
| This function is only relevant when the pertaining key is used in a VTK pipeline. More...
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virtual void | CopyDefaultInformation (vtkInformation *vtkNotUsed(request), vtkInformation *vtkNotUsed(fromInfo), vtkInformation *vtkNotUsed(toInfo)) |
| This function is only relevant when the pertaining key is used in a VTK pipeline. More...
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const char * | GetClassName () const |
| Return the class name as a string. More...
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virtual void | Delete () |
| Delete a VTK object. More...
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virtual void | FastDelete () |
| Delete a reference to this object. More...
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void | InitializeObjectBase () |
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void | Print (ostream &os) |
| Print an object to an ostream. More...
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virtual void | PrintHeader (ostream &os, vtkIndent indent) |
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virtual void | PrintTrailer (ostream &os, vtkIndent indent) |
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int | GetReferenceCount () |
| Return the current reference count of this object. More...
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void | SetReferenceCount (int) |
| Sets the reference count. More...
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void | PrintRevisions (ostream &) |
| Legacy. More...
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key that can used to request integer values from the pipeline vtkInformationIntegerRequestKey is a vtkInformationIntegerKey that can used to request integer values from upstream. A good example of this is UPDATE_NUMBER_OF_PIECES where downstream can request that upstream provides data partitioned into a certain number of pieces. There are several components that make this work. First, the key will copy itself upstream during REQUEST_UPDATE_EXTENT. Second, after a successful execution, it will stor its value into a data object's information using a specific key defined by its data member DataKey. Third, before execution, it will check if the requested value matched the value in the data object's information. If not, it will ask the pipeline to execute.
The best way to use this class is to subclass it to set the DataKey data member. This is usually done in the subclass' constructor.
- Tests:
- vtkInformationIntegerRequestKey (Tests)
Definition at line 44 of file vtkInformationIntegerRequestKey.h.