org.drools.rule.builder
Class ConstraintBuilder

java.lang.Object
  org.drools.rule.builder.ConstraintBuilder

public class ConstraintBuilder
extends Object

Constructor Summary

ConstraintBuilder()

Method Summary

static Constraint	buildLiteralConstraint(RuleBuildContext context, ValueType vtype, FieldValue field, String expression, String leftValue, String operator, String rightValue, InternalReadAccessor extractor, LiteralRestrictionDescr restrictionDescr)
static Evaluator	buildLiteralEvaluator(RuleBuildContext context, InternalReadAccessor extractor, LiteralRestrictionDescr literalRestrictionDescr, FieldValue field, ValueType vtype)
static LiteralRestriction	buildLiteralRestriction(RuleBuildContext context, InternalReadAccessor extractor, LiteralRestrictionDescr literalRestrictionDescr, FieldValue field, ValueType vtype)
static Constraint	buildVariableConstraint(RuleBuildContext context, String expression, Declaration[] declarations, String leftValue, String operator, String rightValue, InternalReadAccessor extractor, Restriction restriction)
static Evaluator	getEvaluator(RuleBuildContext context, BaseDescr descr, ValueType valueType, String evaluatorString, boolean isNegated, String parameters, EvaluatorDefinition.Target left, EvaluatorDefinition.Target right)
static EvaluatorDefinition.Target	getRightTarget(InternalReadAccessor extractor)

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstraintBuilder

public ConstraintBuilder()

Method Detail

buildVariableConstraint

public static Constraint buildVariableConstraint(RuleBuildContext context,
                                                 String expression,
                                                 Declaration[] declarations,
                                                 String leftValue,
                                                 String operator,
                                                 String rightValue,
                                                 InternalReadAccessor extractor,
                                                 Restriction restriction)

buildLiteralConstraint

public static Constraint buildLiteralConstraint(RuleBuildContext context,
                                                ValueType vtype,
                                                FieldValue field,
                                                String expression,
                                                String leftValue,
                                                String operator,
                                                String rightValue,
                                                InternalReadAccessor extractor,
                                                LiteralRestrictionDescr restrictionDescr)

buildLiteralRestriction

public static LiteralRestriction buildLiteralRestriction(RuleBuildContext context,
                                                         InternalReadAccessor extractor,
                                                         LiteralRestrictionDescr literalRestrictionDescr,
                                                         FieldValue field,
                                                         ValueType vtype)

buildLiteralEvaluator

public static Evaluator buildLiteralEvaluator(RuleBuildContext context,
                                              InternalReadAccessor extractor,
                                              LiteralRestrictionDescr literalRestrictionDescr,
                                              FieldValue field,
                                              ValueType vtype)

getRightTarget

public static EvaluatorDefinition.Target getRightTarget(InternalReadAccessor extractor)

getEvaluator

public static Evaluator getEvaluator(RuleBuildContext context,
                                     BaseDescr descr,
                                     ValueType valueType,
                                     String evaluatorString,
                                     boolean isNegated,
                                     String parameters,
                                     EvaluatorDefinition.Target left,
                                     EvaluatorDefinition.Target right)