org.eclipse.incquery.runtime.matchers.planning.operations

Class PJoin

java.lang.Object

org.eclipse.incquery.runtime.matchers.planning.operations.POperation

org.eclipse.incquery.runtime.matchers.planning.operations.PJoin

public class PJoin
extends POperation

Represents a natural join of two parent SubPlans.

Author:

Bergmann Gabor

Constructor Summary

Constructors

Constructor and Description
PJoin()

Method Summary

Modifier and Type	Method and Description
void	checkConsistency(SubPlan subPlan) Checks whether this constraint can be properly applied at the given SubPlan.
boolean	equals(java.lang.Object obj)
java.util.Set<? extends PConstraint>	getDeltaConstraints() Newly enforced constraints
java.lang.String	getShortName()
int	hashCode()
int	numParentSubPlans()

Methods inherited from class org.eclipse.incquery.runtime.matchers.planning.operations.POperation

toString

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PJoin

public PJoin()

Method Detail

getDeltaConstraints

public java.util.Set<? extends PConstraint> getDeltaConstraints()

Description copied from class: POperation

Newly enforced constraints

Specified by:

getDeltaConstraints in class POperation

numParentSubPlans

public int numParentSubPlans()

Specified by:

numParentSubPlans in class POperation

Returns:

the number of SubPlans that must be specified as parents

getShortName

public java.lang.String getShortName()

Specified by:

getShortName in class POperation

checkConsistency

public void checkConsistency(SubPlan subPlan)

Description copied from class: POperation

Checks whether this constraint can be properly applied at the given SubPlan.

Overrides:

checkConsistency in class POperation

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object