Package com.espertech.esper.runtime.client

Interface EPStageService

All Known Subinterfaces:
EPStageServiceSPI
All Known Implementing Classes:
EPStageServiceImpl
public interface EPStageService
Stages are used for staging deployments allowing independent control over event and time for subsets of deployments.

This API is under development for version 8.4 and newer, and is considered UNSTABLE.

Stages are uniquely identified by a stage URI.

Use getStage(String) to allocate a stage, of if the stage is already allocated to obtain the stage.

Use getExistingStage(String) to obtain an existing stage without allocating.

  • Method Summary

    Modifier and Type
    Method
    Description
    EPStage
    getExistingStage(String stageUri)
    Returns the existing stage for the provided URI, or null if a stage for the URI has not already been allocated.
    EPStage
    getStage(String stageUri)
    Allocate a new stage or returns the existing stage if the stage for the same URI is already allocated.
    String[]
    getStageURIs()
    Returns the URI values of all stages that are currently allocated.