org.apache.expreval.expr.casestmt
Class GenericCase

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

All Implemented Interfaces:

Serializable, GenericValue

Direct Known Subclasses:

BooleanCase, DateCase, DelegateCase, NumberCase, StringCase

public abstract class GenericCase
extends DelegateStmt<GenericCase>

See Also:

Serialized Form

Field Summary

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

serialVersionUID

Constructor Summary

protected

GenericCase(ExpressionType type, List<GenericCaseWhen> whenExprList, GenericCaseElse elseExpr)

Method Summary

String	asString()
protected GenericCaseElse	getElseExpr()
Object	getValue(HConnectionImpl conn, Object object)
protected List<GenericCaseWhen>	getWhenExprList()
void	reset()
protected void	setElseExpr(GenericCaseElse elseExpr)

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, 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

Constructor Detail

GenericCase

protected GenericCase(ExpressionType type,
                      List<GenericCaseWhen> whenExprList,
                      GenericCaseElse elseExpr)

Method Detail

getValue

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

Throws:

HBqlException

ResultMissingColumnException

NullColumnValueException

reset

public void reset()

Specified by:

reset in interface GenericValue

Overrides:

reset in class GenericExpression

asString

public String asString()

Specified by:

asString in interface GenericValue

Overrides:

asString in class GenericExpression

getWhenExprList

protected List<GenericCaseWhen> getWhenExprList()

getElseExpr

protected GenericCaseElse getElseExpr()

setElseExpr

protected void setElseExpr(GenericCaseElse elseExpr)