org.apache.expreval.expr.calculation
Class GenericCalculation

java.lang.Object
  extended by org.apache.expreval.expr.GenericExpression
      extended by org.apache.expreval.expr.DelegateStmt<GenericCalculation>
          extended by org.apache.expreval.expr.calculation.GenericCalculation
All Implemented Interfaces:
Serializable, GenericValue
Direct Known Subclasses:
DateCalculation, DelegateCalculation, NumericCalculation, StringCalculation

public abstract class GenericCalculation
extends DelegateStmt<GenericCalculation>

See Also:
Serialized Form

Field Summary
 
Fields inherited from interface org.apache.expreval.expr.node.GenericValue
serialVersionUID
 
Constructor Summary
protected GenericCalculation(ExpressionType type, GenericValue arg0, Operator operator, GenericValue arg1)
           
 
Method Summary
 String asString()
           
protected  Operator getOperator()
           
 
Methods inherited from class org.apache.expreval.expr.DelegateStmt
getTypedExpr, setTypedExpr
 
Methods inherited from class org.apache.expreval.expr.GenericExpression
applyResultToAggregateValue, getConstantValue, getExprArg, getExpressionContext, getFilter, getGenericValueClass, getGenericValueList, getInvalidTypeMsg, getOptimizedValue, getSubArgs, getTypeSignature, getValueWithCast, getValueWithCast, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, newSingleColumnValueFilter, optimizeAllArgs, reset, setArg, setExpressionContext, useDecimal, validateNumericArgTypes, validateNumericTypes, validateParentClass, validateTypes
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.apache.expreval.expr.node.GenericValue
getValue
 

Constructor Detail

GenericCalculation

protected GenericCalculation(ExpressionType type,
                             GenericValue arg0,
                             Operator operator,
                             GenericValue arg1)
Method Detail

getOperator

protected Operator getOperator()

asString

public String asString()
Specified by:
asString in interface GenericValue
Overrides:
asString in class GenericExpression


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