org.springframework.cloud.task.app.composedtaskrunner

Class ComposedRunnerVisitor

java.lang.Object

org.springframework.cloud.dataflow.core.dsl.TaskVisitor

org.springframework.cloud.task.app.composedtaskrunner.ComposedRunnerVisitor

public class ComposedRunnerVisitor
extends org.springframework.cloud.dataflow.core.dsl.TaskVisitor

Creates a stack of task executions from a composed task DSL.

Author:

Glenn Renfro.

Constructor Summary

Constructors

Constructor and Description
ComposedRunnerVisitor()

Method Summary

Modifier and Type	Method and Description
Deque<org.springframework.cloud.dataflow.core.dsl.LabelledTaskNode>	getFlow()
void	postVisit(org.springframework.cloud.dataflow.core.dsl.SplitNode split) Push the split node on the stack to record the Ending of the split.
boolean	preVisit(org.springframework.cloud.dataflow.core.dsl.FlowNode flow) Push the flow node on the stack to record the beginning of the flow.
void	visit(org.springframework.cloud.dataflow.core.dsl.SplitNode split) Push the split node on the stack to record the beginning of the split.
void	visit(org.springframework.cloud.dataflow.core.dsl.TaskAppNode taskApp) Push the task app node on the stack to record the task app.

Methods inherited from class org.springframework.cloud.dataflow.core.dsl.TaskVisitor

endVisit, postVisit, postVisit, postVisit, postVisitSequence, preVisit, preVisit, preVisit, preVisitSequence, startVisit, visit, visit

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ComposedRunnerVisitor

public ComposedRunnerVisitor()

Method Detail

preVisit

public boolean preVisit(org.springframework.cloud.dataflow.core.dsl.FlowNode flow)

Push the flow node on the stack to record the beginning of the flow.

Overrides:

preVisit in class org.springframework.cloud.dataflow.core.dsl.TaskVisitor

Parameters:

flow - the flow which represents things to execute in sequence

Returns:

false to skip visiting this flow

visit

public void visit(org.springframework.cloud.dataflow.core.dsl.SplitNode split)

Push the split node on the stack to record the beginning of the split.

Overrides:

visit in class org.springframework.cloud.dataflow.core.dsl.TaskVisitor

Parameters:

split - the information pertaining to the elements contained in the split.

postVisit

public void postVisit(org.springframework.cloud.dataflow.core.dsl.SplitNode split)

Push the split node on the stack to record the Ending of the split.

Overrides:

postVisit in class org.springframework.cloud.dataflow.core.dsl.TaskVisitor

Parameters:

split - the information pertaining to the elements contained in the split.

visit

public void visit(org.springframework.cloud.dataflow.core.dsl.TaskAppNode taskApp)

Push the task app node on the stack to record the task app.

Overrides:

visit in class org.springframework.cloud.dataflow.core.dsl.TaskVisitor

Parameters:

taskApp - the information pertaining to the taskAppNode contained in the flow.

getFlow

public Deque<org.springframework.cloud.dataflow.core.dsl.LabelledTaskNode> getFlow()