org.eclipse.viatra.query.runtime.localsearch.planner.cost

Interface IConstraintEvaluationContext

All Known Implementing Classes:

PConstraintInfo

public interface IConstraintEvaluationContext

This interface denotes the evaluation context of a constraint, intended for cost estimation. Provides access to information on which the cost function can base its calculation.

Since:

1.4

No Implement:

Method Summary

Modifier and Type	Method and Description
java.util.Collection<PVariable>	getBoundVariables() Bound variables at the time of evaluating the constraint
PConstraint	getConstraint() Get the constraint to be evaluated
java.util.Collection<PVariable>	getFreeVariables() Unbound variables at the time of evaluating the constraint
QueryAnalyzer	getQueryAnalyzer()
IQueryRuntimeContext	getRuntimeContext()
IQueryResultProviderAccess	resultProviderAccess()

Method Detail

getConstraint

PConstraint getConstraint()

Get the constraint to be evaluated

getFreeVariables

java.util.Collection<PVariable> getFreeVariables()

Unbound variables at the time of evaluating the constraint

getBoundVariables

java.util.Collection<PVariable> getBoundVariables()

Bound variables at the time of evaluating the constraint

getRuntimeContext

IQueryRuntimeContext getRuntimeContext()

getQueryAnalyzer

QueryAnalyzer getQueryAnalyzer()

Since:

1.5

resultProviderAccess

IQueryResultProviderAccess resultProviderAccess()

Since:

1.5