Package org.camunda.bpm.client.topic

Interface TopicSubscriptionBuilder

  • All Known Implementing Classes:
    TopicSubscriptionBuilderImpl
    public interface TopicSubscriptionBuilder

    A fluent builder to configure the topic subscription

    Author:
    Tassilo Weidner

    • Method Detail

      • lockDuration

        TopicSubscriptionBuilder lockDuration​(long lockDuration)
        Parameters:
        lockDuration -
        • in milliseconds to lock the external tasks
        • must be greater than zero
        • the default lock duration is 20 seconds (20,000 milliseconds)
        • overrides the lock duration configured on bootstrapping the client
        Returns:
        the builder

      • variables

        TopicSubscriptionBuilder variables​(String... variableNames)
        Parameters:
        variableNames - of variables which are supposed to be retrieved
        Returns:
        the builder

      • localVariables

        TopicSubscriptionBuilder localVariables​(boolean localVariables)
        Parameters:
        localVariables - whether or not variables from greater scope than the external task should be fetched. false means all variables visible in the scope of the external task will be fetched, true means only local variables (to the scope of the external task) will be fetched
        Returns:
        the builder

      • businessKey

        TopicSubscriptionBuilder businessKey​(String businessKey)
        Parameters:
        businessKey - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processDefinitionId

        TopicSubscriptionBuilder processDefinitionId​(String processDefinitionId)
        Parameters:
        processDefinitionId - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processDefinitionIdIn

        TopicSubscriptionBuilder processDefinitionIdIn​(String... processDefinitionIds)
        Parameters:
        processDefinitionIds - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processDefinitionKey

        TopicSubscriptionBuilder processDefinitionKey​(String processDefinitionKey)
        Parameters:
        processDefinitionKey - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processDefinitionKeyIn

        TopicSubscriptionBuilder processDefinitionKeyIn​(String... processDefinitionKeys)
        Parameters:
        processDefinitionKeys - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processDefinitionVersionTag

        TopicSubscriptionBuilder processDefinitionVersionTag​(String processDefinitionVersionTag)
        Parameters:
        processDefinitionKeys - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • processVariablesEqualsIn

        TopicSubscriptionBuilder processVariablesEqualsIn​(Map<String,​Object> processVariables)
        Parameters:
        processVariables - of which the external tasks to be retrieved are related to
        Returns:
        the builder

      • processVariableEquals

        TopicSubscriptionBuilder processVariableEquals​(String name,
                                               Object value)
        Parameters:
        processVariables - of which the external tasks to be retrieved are related to When called more than once, retrieves tasks related to ANY of the given processVariables In such cases, consider using processVariablesEqualsIn(Map) instead
        Returns:
        the builder

      • withoutTenantId

        TopicSubscriptionBuilder withoutTenantId()
        Filter for external tasks without tenant
        Returns:
        the builder

      • tenantIdIn

        TopicSubscriptionBuilder tenantIdIn​(String... tenantIds)
        Parameters:
        tenantIds - to filter for external tasks that are supposed to be fetched and locked
        Returns:
        the builder

      • includeExtensionProperties

        TopicSubscriptionBuilder includeExtensionProperties​(boolean includeExtensionProperties)
        Parameters:
        includeExtensionProperties - whether or not to include custom extension properties for fetched external tasks. true means all extensionProperties defined in the external task activity will be provided. false means custom extension properties are not available within the external-task-client. The default is false.
        Returns:
        the builder

      • open

        TopicSubscription open()
        Release the topic subscription for being executed asynchronously
        Returns:
        the builder
        Throws:
        ExternalTaskClientException -
        • if topic name is null or an empty string
        • if lock duration is not greater than zero
        • if external task handler is null
        • if topic name has already been subscribed