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com.ibm.rules.engine.ruleflow.runtime
Interface RuleflowObserver

All Superinterfaces:

Observer

public interface RuleflowObserver
extends Observer

Use a RuleflowObserver instance to observe events specific to a RuleflowEngine instance. To observe the overall state of an Engine, see EngineObserver.

Method Summary

void	ruleFlowEnded(Observable engine, Task task, RuleflowEngineOutput output) Called when a flow is about to finish executing.
void	ruleFlowStarted(Observable engine, Task task, RuleflowEngineInput input) Called when a flow is about to be executed.
void	taskEnded(Observable engine, Task task, EngineOutput output) Called when a Task has finished executing.
void	taskStarted(Observable engine, Task task, EngineInput input) Called when a Task is about to start execution.

Method Detail

taskStarted

void taskStarted(Observable engine,
                 Task task,
                 EngineInput input)

Called when a Task is about to start execution.

Parameters:

engine - The event source.

task - The Task that will start.

input - The EngineInput object used by this RuleflowEngine.

taskEnded

void taskEnded(Observable engine,
               Task task,
               EngineOutput output)

Called when a Task has finished executing.

Parameters:

engine - The event source.

task - The Task that has finished.

output - The EngineOutput object produced by the code>RuleflowEngine.

ruleFlowStarted

void ruleFlowStarted(Observable engine,
                     Task task,
                     RuleflowEngineInput input)

Called when a flow is about to be executed. A flow is either the execution of a single rule task or function, or the execution of a flow task. Flow task execution involves the execution of other tasks.

Parameters:

engine - The event source.

task - The Task that models the flow.

input - The RuleflowEngineInput object used by the Engine.

ruleFlowEnded

void ruleFlowEnded(Observable engine,
                   Task task,
                   RuleflowEngineOutput output)

Called when a flow is about to finish executing. A flow is either the execution of a single rule task or function, or the execution of a flow task. Flow task execution involves the execution of other tasks.

Parameters:

engine - The event source.

task - The Task that models the flow.

output - The RuleflowEngineOutput produced by the Engine.