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The state of a given cmhandle consists of the cmhandle state itself as well as the synchronization state information related to the model instance data related to the cmhandle. Below shows the makeup of this state follow by the allowed cmhandle state transitions.
NCMP CRUD / Action requests are only allowed if state.cmhandleState == READY.
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CmHandle state transitions :
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Supported NCMP API Requests (CPS-E-05):
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------ Sync : Get the current state of a cmhandle when cmhandle is READY ----------------
Request (sync)
GET {ncmp-root}/ncmp/v1/ch/<cmhandle>/state
Accept: application/json
Response
"state" : {
"cmHandleState" : "READY",
"dataSyncEnabled" : true,
"dataStoreSyncStatedataSyncState" : { *
operationalStoreStateoperational {
"state" : "SYNCHRONIZED",
"lastSyncTime" : "2022-04-01 07:37:20"
}
}
}
* runningStoreState is not included in response if it does not exist / is not supported (yet)
------ Sync :Get the current state of a cmhandle when cmhandle is LOCKED ---------------
Request (sync)
GET {ncmp-root}/ncmp/v1/ch/<cmhandle>/state
Accept: application/json
Response
"state" : {
"cmHandleState" : "LOCKED",
"lockReason" : {
"reason" : "LOCKED_MISBEHAVING",
"details" : "Error recovering Modules for cmhandle"
}
}
------ Async : Get the current state of a cmhandle when cmhandle is READY ----------------
Request (async)
GET {ncmp-root}/ncmp/v1/ch/<cmhandle>/state?topic=<topic-name>
Accept: application/json
Response
{
"requestId" : "dffrtg56-rt56"
}
Event :
"requestId" : "dffrtg56-rt56",
"data" : {
"cmhandle" : "dfsdgfw454df",
"state" : {
"cmHandleState" : "READY",
"dataSyncEnabled" : true,
"dataStoreSyncStatedataSyncState" : {
operationalStoreStateoperational {
"state" : "SYNCHRONIZED",
"lastSyncTime" : "2022-04-01 07:37:20"
}
}
}
}
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