Package org.apache.wayang.core.optimizer

Class SanityChecker

java.lang.Object

org.apache.wayang.core.optimizer.SanityChecker

public class SanityChecker
extends java.lang.Object

This class checks a WayangPlan for several sanity criteria:

1. Subplans must only be used as top-level Operator of OperatorAlternative.Alternative
2. Subplans must contain more than one Operator

Constructor Summary

Constructors

Constructor	Description
SanityChecker(WayangPlan wayangPlan)	Create a new instance

Method Summary

Modifier and Type	Method	Description
boolean	checkAllCriteria()
boolean	checkFlatAlternatives()	TODO: (Documentation) add SanityChecker.checkFlatAlternatives labels: documentation,todo
boolean	checkProperSubplans()	Check whether Subplans are used properly.

Methods inherited from class java.lang.Object

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

Constructor Detail

SanityChecker

public SanityChecker(WayangPlan wayangPlan)

Create a new instance

Parameters:

wayangPlan - is subject to sanity checks

Method Detail

checkAllCriteria

public boolean checkAllCriteria()

checkProperSubplans

public boolean checkProperSubplans()

Check whether Subplans are used properly.

Returns:

whether the test passed

checkFlatAlternatives

public boolean checkFlatAlternatives()

TODO: (Documentation) add SanityChecker.checkFlatAlternatives labels: documentation,todo

Returns: