Module com.wyu4.snowberryjam

Package com.wyu4.snowberryjam.compiler.data.tasks

Class WhileTask

java.lang.Object

com.wyu4.snowberryjam.compiler.data.tasks.WhileTask

All Implemented Interfaces:

ExecutableTask, BodiedTask, ValuedTask

public class WhileTask
extends Object
implements ExecutableTask, BodiedTask, ValuedTask

A while loop. The condition is stored as SourceKey.VALUE. Runs SourceKey.BODY while true.

Field Summary

Fields

Modifier and Type	Field	Description
private final BodyStack	body	The body to run while the condition is true
private final ValueHolder	condition	The condition.

Constructor Summary

Constructors

Constructor	Description
WhileTask(com.fasterxml.jackson.databind.JsonNode node)	Create a new while loop
WhileTask(ConditionalHolder condition, BodyStack body)	Create a new while loop

Method Summary

Modifier and Type	Method	Description
void	execute()	Run the task
Object	feedback()	Get some feedback from the task.
BodyStack	getBody()	Get the stack of this task
SourceId	getId()	Get the ID of the task
ValueHolder	getValue()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

condition

private final ValueHolder condition

The condition. Must be of type Boolean.

See Also:

• ValueHolder.getType()
• ValueHolder.checkValueIsConditional(ValueHolder)
• SameType

body

private final BodyStack body

The body to run while the condition is true

Constructor Details

WhileTask

public WhileTask(com.fasterxml.jackson.databind.JsonNode node)

Create a new while loop

Parameters:

node - The JsonNode to refer

WhileTask

public WhileTask(ConditionalHolder condition,
 BodyStack body)

Create a new while loop

Parameters:

condition - The condition to check before running body

body - The body to run while the condition is true

Method Details

execute

public void execute()

Description copied from interface: ExecutableTask

Run the task

Specified by:

execute in interface ExecutableTask

getId

public SourceId getId()

Description copied from interface: ExecutableTask

Get the ID of the task

Specified by:

getId in interface ExecutableTask

Returns:

SourceId.WHILE

feedback

public Object feedback()

Description copied from interface: ExecutableTask

Get some feedback from the task. Can be anything, depending on the task.

Specified by:

feedback in interface ExecutableTask

Returns:

The current state of the condition.

toString

public String toString()

Overrides:

toString in class Object

getBody

public BodyStack getBody()

Description copied from interface: BodiedTask

Get the stack of this task

Specified by:

getBody in interface BodiedTask

Returns:

BodyStack of this task

getValue

public ValueHolder getValue()

Specified by:

getValue in interface ValuedTask