org.apache.expreval.expr.casestmt
Class DelegateCase

java.lang.Object
  org.apache.expreval.expr.GenericExpression
      org.apache.expreval.expr.DelegateStmt<GenericCase>
          org.apache.expreval.expr.casestmt.GenericCase
              org.apache.expreval.expr.casestmt.DelegateCase

All Implemented Interfaces:

Serializable, GenericValue

public class DelegateCase
extends GenericCase

See Also:

Serialized Form

Field Summary

Fields inherited from interface org.apache.expreval.expr.node.GenericValue

serialVersionUID

Constructor Summary

DelegateCase()

Method Summary

void	addElse(GenericValue value)
void	addWhen(GenericValue pred, GenericValue value)
GenericValue	getOptimizedValue()
Object	getValue(HConnectionImpl conn, Object object)
Class<? extends GenericValue>	validateTypes(GenericValue parentExpr, boolean allowCollections)

Methods inherited from class org.apache.expreval.expr.casestmt.GenericCase

asString, getElseExpr, getWhenExprList, reset, setElseExpr

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, getSubArgs, getTypeSignature, getValueWithCast, getValueWithCast, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, newSingleColumnValueFilter, optimizeAllArgs, setArg, setExpressionContext, useDecimal, validateNumericArgTypes, validateNumericTypes, validateParentClass

Methods inherited from class java.lang.Object

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

Constructor Detail

DelegateCase

public DelegateCase()

Method Detail

validateTypes

public Class<? extends GenericValue> validateTypes(GenericValue parentExpr,
                                                   boolean allowCollections)
                                            throws HBqlException

Specified by:

validateTypes in interface GenericValue

Overrides:

validateTypes in class GenericExpression

Throws:

HBqlException

getOptimizedValue

public GenericValue getOptimizedValue()
                               throws HBqlException

Specified by:

getOptimizedValue in interface GenericValue

Overrides:

getOptimizedValue in class GenericExpression

Throws:

HBqlException

getValue

public Object getValue(HConnectionImpl conn,
                       Object object)
                throws HBqlException,
                       ResultMissingColumnException,
                       NullColumnValueException

Specified by:

getValue in interface GenericValue

Overrides:

getValue in class GenericCase

Throws:

HBqlException

ResultMissingColumnException

NullColumnValueException

addWhen

public void addWhen(GenericValue pred,
                    GenericValue value)

addElse

public void addElse(GenericValue value)