Overview
the class cbaWFSharedMemory is used to encapsulate a uniform access to the workflow structures in shared memory.
it has the following functionality:
- creating a shared memory segment
- attaching to shared memory segment
- creating a map of nodes execution status
- retrieving a map of nodes execution status
- obtaining information on the node execution status
- updating information on the node execution status
multiple applications of the CBA workflow package are using the cbaWFShmSegment to access the structures.
- cbaWorkflow
- cbaWorkflowNode
- cbaWFMonitor
- applications used to query the status and update the shared memory in case of nodes failures.(shmview,shmupdate)