org.camunda.bpm.engine.externaltask
Interface ExternalTaskQueryBuilder

All Known Subinterfaces:

ExternalTaskQueryTopicBuilder

All Known Implementing Classes:

ExternalTaskQueryTopicBuilderImpl

public interface ExternalTaskQueryBuilder

Author:

Thorben Lindhauer

Method Summary

List<LockedExternalTask>	execute() Performs the fetching.
ExternalTaskQueryTopicBuilder	topic(String topicName, long lockDuration) Specifies that tasks of a topic should be fetched and locked for a certain amount of time

Method Detail

topic

ExternalTaskQueryTopicBuilder topic(String topicName,
                                    long lockDuration)

Specifies that tasks of a topic should be fetched and locked for a certain amount of time

Parameters:

topicName - the name of the topic

lockDuration - the duration in milliseconds for which tasks should be locked; begins at the time of fetching

Returns:

execute

List<LockedExternalTask> execute()

Performs the fetching. Locks candidate tasks of the given topics for the specified duration.

Returns:

fetched external tasks that match the topic and that can be successfully locked