Package org.apache.wayang.core.mapping

Class SubplanMatch

java.lang.Object

org.apache.wayang.core.mapping.SubplanMatch

public class SubplanMatch
extends Object

A subplan match correlates a SubplanPattern with its actually matched .

Constructor Summary

Constructors

Constructor	Description
SubplanMatch(SubplanMatch that)	Copy constructor.
SubplanMatch(SubplanPattern pattern)

Method Summary

Modifier and Type	Method	Description
void	addOperatorMatch(OperatorMatch operatorMatch)
OperatorMatch	getInputMatch()
OperatorMatch	getMatch(String name)
int	getMaximumEpoch()
Map<String,OperatorMatch>	getOperatorMatches()
OperatorMatch	getOutputMatch()
SubplanPattern	getPattern()
Optional<Set<Platform>>	getTargetPlatforms()	Platform restrictions coming from the matched Operators.

Methods inherited from class java.lang.Object

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

Constructor Details

SubplanMatch

public SubplanMatch(SubplanPattern pattern)

SubplanMatch

public SubplanMatch(SubplanMatch that)

Copy constructor.

Method Details

addOperatorMatch

public void addOperatorMatch(OperatorMatch operatorMatch)

getOperatorMatches

public Map<String,OperatorMatch> getOperatorMatches()

getPattern

public SubplanPattern getPattern()

getInputMatch

public OperatorMatch getInputMatch()

getOutputMatch

public OperatorMatch getOutputMatch()

getMatch

public OperatorMatch getMatch(String name)

getMaximumEpoch

public int getMaximumEpoch()

Returns:

the maximum epoch among the matched operators in operatorMatches

getTargetPlatforms

public Optional<Set<Platform>> getTargetPlatforms()

Platform restrictions coming from the matched Operators. Notice that the semantics of empty Sets differ from those in Operator.getTargetPlatforms().

Returns:

the intersection of all Platform restrictions in the matched Operators