Executes a migration plan asynchronously (batch) for multiple process instances.To execute a migration plan synchronously, use the Execute Migration Plan method.

For more information about the difference between synchronous andasynchronous execution of a migration plan, please refer to the relatedsection of the user guide.

Method

POST /migration/executeAsync

Parameters

Request Body

A JSON object with the following properties:

Name	Description
migrationPlan	The migration plan to execute. A JSON object corresponding to the migration plan interface in the engine as explained below.
processInstanceIds	A list of process instance ids to migrate.
processInstanceQuery	A process instance query like the request body described by `POST /process-instance` .
skipCustomListeners	A boolean value to control whether execution listeners should be invoked during migration.
skipIoMappings	A boolean value to control whether input/output mappings should be executed during migration.

The migration plan JSON object has the following properties:

Name	Description
sourceProcessDefinitionId	The id of the source process definition for the migration.
targetProcessDefinitionId	The id of the target process definition for the migration.
Name	Value	Description
——-
instructions	A list of migration instructions which map equal activities. Each migration instruction is a JSON object with the following properties:

Name	Value	Description
sourceActivityIds	Array	The activity ids from the source process definition being mapped.
targetActivityIds	Array	The activity ids from the target process definition being mapped.
updateEventTrigger	Boolean	Configuration flag whether event triggers defined are going to be update during migration.

Result

A JSON object corresponding to the Batch interface in the engine. Itsproperties are as follows:

Name	Value	Description
id	String	The id of the created batch.
type	String	The type of the created batch.
totalJobs	Number	The total jobs of a batch is the number of batch execution jobs required to complete the batch.
batchJobsPerSeed	Number	The number of batch execution jobs created per seed job invocation. The batch seed job is invoked until it has created all batch execution jobs required by the batch (see `totalJobs` property).
invocationsPerBatchJob	Number	Every batch execution job invokes the command executed by the batch `invocationsPerBatchJob` times. E.g., for a process instance migration batch this specifies the number of process instances which are migrated per batch execution job.
seedJobDefinitionId	String	The job definition id for the seed jobs of this batch.
monitorJobDefinitionId	String	The job definition id for the monitor jobs of this batch.
batchJobDefinitionId	String	The job definition id for the batch execution jobs of this batch.
tenantId	String	The tenant id of the batch.

Response codes

Code	Media type	Description
200	application/json	Request successful.
400	application/json	The provided migration plan is not valid, so an exception of type `MigrationPlanValidationException` is returned. See the Introduction for the error response format.
400	application/json	In case additional parameters of the request are unexpected, an exception of type `InvalidRequestException` is returned. See the Introduction for the error response format.

Example

Request

POST /migration/executeAsync

Request Body:

{
  "migrationPlan": {
    "sourceProcessDefinitionId": "aProcessDefinitionId1",
    "targetProcessDefinitionId": "aProcessDefinitionId2",
    "instructions": [
      {
        "sourceActivityIds": ["aUserTask"],
        "targetActivityIds": ["aUserTask"]
      },
      {
        "sourceActivityIds": ["anEvent"],
        "targetActivityIds": ["anotherEvent"],
        "updateEventTrigger": true
      }
    ]
  },
  "processInstanceIds": [
    "aProcessInstance",
    "anotherProcessInstance"
  ],
  "processInstanceQuery": {
    "processDefinitionId": "aProcessDefinitionId1"
  },
  "skipCustomListeners": true
}

Response

Status 200.

{
  "id": "aBatchId",
  "type": "aBatchType",
  "totalJobs": 10,
  "batchJobsPerSeed": 100,
  "invocationsPerBatchJob": 1,
  "seedJobDefinitionId": "aSeedJobDefinitionId",
  "monitorJobDefinitionId": "aMonitorJobDefinitionId",
  "batchJobDefinitionId": "aBatchJobDefinitionId",
  "tenantId": "aTenantId"
}

原文: https://docs.camunda.org/manual/7.9/reference/rest/migration/execute-migration-async/

Execute Async (Batch)