Package org.drools.compiler.rule.builder

Class EvaluatorWrapper

  • All Implemented Interfaces:
    java.io.Serializable, org.drools.base.rule.accessor.Evaluator, org.kie.api.runtime.rule.Evaluator
    public class EvaluatorWrapper
extends java.lang.Object
implements org.drools.base.rule.accessor.Evaluator
    An EvaluatorWrapper is used when executing MVEL expressions that have operator calls rewritten as: operator.evaluate( leftArg, rightArg )
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      EvaluatorWrapper​(org.drools.base.rule.accessor.Evaluator evaluator, org.drools.base.rule.Declaration leftBinding, org.drools.base.rule.Declaration rightBinding)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean evaluate​(org.drools.base.base.ValueResolver valueResolver, org.drools.base.rule.accessor.ReadAccessor extractor, org.kie.api.runtime.rule.FactHandle factHandle, org.drools.base.rule.accessor.FieldValue value)  
      boolean evaluate​(org.drools.base.base.ValueResolver valueResolver, org.drools.base.rule.accessor.ReadAccessor leftExtractor, org.kie.api.runtime.rule.FactHandle left, org.drools.base.rule.accessor.ReadAccessor rightExtractor, org.kie.api.runtime.rule.FactHandle right)  
      boolean evaluate​(org.drools.core.common.ReteEvaluator reteEvaluator, java.lang.Object left, java.lang.Object right)
      This method is called when operators are rewritten as function calls.
      java.lang.String getBindingName()  
      org.drools.base.base.ValueType getCoercedValueType()  
      static org.drools.base.base.extractors.SelfReferenceClassFieldReader getExtractor()  
      org.drools.base.time.Interval getInterval()  
      org.kie.api.runtime.rule.Operator getOperator()  
      org.drools.base.base.ValueType getValueType()  
      boolean isTemporal()  
      void loadHandles​(org.kie.api.runtime.rule.FactHandle[] handles, org.kie.api.runtime.rule.FactHandle rightHandle)  
      void setBindingName​(java.lang.String bindingName)  
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • EvaluatorWrapper

        public EvaluatorWrapper​(org.drools.base.rule.accessor.Evaluator evaluator,
                        org.drools.base.rule.Declaration leftBinding,
                        org.drools.base.rule.Declaration rightBinding)

    • Method Detail

      • evaluate

        public boolean evaluate​(org.drools.core.common.ReteEvaluator reteEvaluator,
                        java.lang.Object left,
                        java.lang.Object right)
        This method is called when operators are rewritten as function calls. For instance, x after y Is rewritten as after.evaluate( _workingMemory_, x, y )
        Returns:

      • getValueType

        public org.drools.base.base.ValueType getValueType()
        Specified by:
        getValueType in interface org.drools.base.rule.accessor.Evaluator
        Returns:
        See Also:
        Evaluator.getValueType()

      • getOperator

        public org.kie.api.runtime.rule.Operator getOperator()
        Specified by:
        getOperator in interface org.drools.base.rule.accessor.Evaluator
        Specified by:
        getOperator in interface org.kie.api.runtime.rule.Evaluator
        Returns:
        See Also:
        Evaluator.getOperator()

      • getCoercedValueType

        public org.drools.base.base.ValueType getCoercedValueType()
        Specified by:
        getCoercedValueType in interface org.drools.base.rule.accessor.Evaluator
        Returns:
        See Also:
        Evaluator.getCoercedValueType()

      • evaluate

        public boolean evaluate​(org.drools.base.base.ValueResolver valueResolver,
                        org.drools.base.rule.accessor.ReadAccessor extractor,
                        org.kie.api.runtime.rule.FactHandle factHandle,
                        org.drools.base.rule.accessor.FieldValue value)
        Specified by:
        evaluate in interface org.drools.base.rule.accessor.Evaluator

      • evaluate

        public boolean evaluate​(org.drools.base.base.ValueResolver valueResolver,
                        org.drools.base.rule.accessor.ReadAccessor leftExtractor,
                        org.kie.api.runtime.rule.FactHandle left,
                        org.drools.base.rule.accessor.ReadAccessor rightExtractor,
                        org.kie.api.runtime.rule.FactHandle right)
        Specified by:
        evaluate in interface org.drools.base.rule.accessor.Evaluator

      • isTemporal

        public boolean isTemporal()
        Specified by:
        isTemporal in interface org.drools.base.rule.accessor.Evaluator
        Specified by:
        isTemporal in interface org.kie.api.runtime.rule.Evaluator
        Returns:
        See Also:
        Evaluator.isTemporal()

      • getInterval

        public org.drools.base.time.Interval getInterval()
        Specified by:
        getInterval in interface org.drools.base.rule.accessor.Evaluator
        Returns:
        See Also:
        Evaluator.getInterval()

      • loadHandles

        public void loadHandles​(org.kie.api.runtime.rule.FactHandle[] handles,
                        org.kie.api.runtime.rule.FactHandle rightHandle)

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • getExtractor

        public static org.drools.base.base.extractors.SelfReferenceClassFieldReader getExtractor()

      • getBindingName

        public java.lang.String getBindingName()

      • setBindingName

        public void setBindingName​(java.lang.String bindingName)