Package org.camunda.bpm.engine.externaltask

Interface ExternalTask

All Known Implementing Classes:
ExternalTaskEntity
public interface ExternalTask
Represents an instance of an external task that is created when a service-task like activity (i.e. service task, send task, ...) with attribute camunda:type="external" is executed.
Author:
Thorben Lindhauer

  • Method Details

    • getId

      String getId()
      Returns:
      the id of the task

    • getTopicName

      String getTopicName()
      Returns:
      the name of the topic the task belongs to

    • getWorkerId

      String getWorkerId()
      Returns:
      the id of the worker that has locked the task

    • getLockExpirationTime

      Date getLockExpirationTime()
      Returns:
      the absolute time at which the lock expires

    • getProcessInstanceId

      String getProcessInstanceId()
      Returns:
      the id of the process instance the task exists in

    • getExecutionId

      String getExecutionId()
      Returns:
      the id of the execution that the task is assigned to

    • getActivityId

      String getActivityId()
      Returns:
      the id of the activity for which the task is created

    • getActivityInstanceId

      String getActivityInstanceId()
      Returns:
      the id of the activity instance in which context the task exists

    • getProcessDefinitionId

      String getProcessDefinitionId()
      Returns:
      the id of the process definition the tasks activity belongs to

    • getProcessDefinitionKey

      String getProcessDefinitionKey()
      Returns:
      the key of the process definition the tasks activity belongs to

    • getProcessDefinitionVersionTag

      String getProcessDefinitionVersionTag()
      Returns:
      the version tag of the process definition the tasks activity belongs to

    • getRetries

      Integer getRetries()
      Returns:
      the number of retries left. The number of retries is provided by a task client, therefore the initial value is null.

    • getErrorMessage

      String getErrorMessage()
      Returns:
      short error message submitted with the latest reported failure executing this task; null if no failure was reported previously or if no error message was submitted
      See Also:

    • isSuspended

      boolean isSuspended()
      Returns:
      true if the external task is suspended; a suspended external task cannot be completed, thereby preventing process continuation

    • getTenantId

      String getTenantId()
      Returns:
      the id of the tenant the task belongs to. Can be null if the task belongs to no single tenant.

    • getPriority

      long getPriority()
      Returns the priority of the external task.
      Returns:
      the priority of the external task

    • getExtensionProperties

      Map<String,String> getExtensionProperties()
      Returns a map containing all custom extension properties of the external task.
      Returns:
      the properties, never null

    • getBusinessKey

      String getBusinessKey()
      Returns the business key of the process instance the external task belongs to
      Returns:
      the business key