com.bigdata.bop.constraint

Class Constraint<X>

java.lang.Object

com.bigdata.bop.CoreBaseBOp

com.bigdata.bop.BOpBase

com.bigdata.bop.constraint.Constraint<X>

All Implemented Interfaces:

BOp, IConstraint, IValueExpressionConstraint<X>, IPropertySet, Serializable, Cloneable

Direct Known Subclasses:

ProjectedConstraint, SPARQLConstraint

public class Constraint<X>
extends BOpBase
implements IValueExpressionConstraint<X>

Constraint wraps a BooleanValueExpression.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.bigdata.bop.BOp

BOp.Annotations

Field Summary

Fields inherited from class com.bigdata.bop.CoreBaseBOp

DEFAULT_INITIAL_CAPACITY

Fields inherited from interface com.bigdata.bop.IConstraint

EMPTY

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Constructor Summary

Constructors

Constructor and Description
Constraint(BooleanValueExpression x)
Constraint(BOp[] args, Map<String,Object> anns) Required shallow copy constructor.
Constraint(Constraint<X> op) Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(IBindingSet bs) Return true if the binding set satisfies the constraint.
IValueExpression<X>	getValueExpression() Return the IValueExpression which is evaluated by the IConstraint.
static IConstraint	wrap(BooleanValueExpression ve) Convenience method to generate a constraint from a value expression.

Methods inherited from class com.bigdata.bop.BOpBase

__replaceArg, _clearProperty, _set, _setProperty, annotations, annotationsCopy, annotationsEqual, annotationsRef, argIterator, args, argsCopy, arity, clearAnnotations, clearProperty, deepCopy, deepCopy, get, getProperty, setArg, setProperty, setUnboundProperty, toArray, toArray

Methods inherited from class com.bigdata.bop.CoreBaseBOp

annotationsEqual, annotationsToString, annotationsToString, annotationValueToString, checkArgs, clone, equals, getEvaluationContext, getId, getProperty, getRequiredProperty, hashCode, indent, isController, mutation, shortenName, toShortString, toString, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.bigdata.bop.BOp

annotations, argIterator, args, arity, clone, get, getEvaluationContext, getId, getProperty, getRequiredProperty, isController, setProperty, toArray, toArray, toShortString, toString, toString

Methods inherited from interface cutthecrap.utils.striterators.IPropertySet

getProperty

Constructor Detail

Constraint

public Constraint(BooleanValueExpression x)

Constraint

public Constraint(BOp[] args,
          Map<String,Object> anns)

Required shallow copy constructor.

Constraint

public Constraint(Constraint<X> op)

Constructor required for com.bigdata.bop.BOpUtility#deepCopy(FilterNode).

Method Detail

wrap

public static IConstraint wrap(BooleanValueExpression ve)

Convenience method to generate a constraint from a value expression.

getValueExpression

public IValueExpression<X> getValueExpression()

Description copied from interface: IValueExpressionConstraint

Return the IValueExpression which is evaluated by the IConstraint.

Specified by:

getValueExpression in interface IValueExpressionConstraint<X>

accept

public boolean accept(IBindingSet bs)

Description copied from interface: IConstraint

Return true if the binding set satisfies the constraint.

Specified by:

accept in interface IConstraint

Parameters:

bs - The binding set.