org.apache.expreval.expr.casestmt
Class GenericCaseWhen

java.lang.Object
  extended by org.apache.expreval.expr.GenericExpression
      extended by org.apache.expreval.expr.DelegateStmt<GenericCaseWhen>
          extended by org.apache.expreval.expr.casestmt.GenericCaseWhen
All Implemented Interfaces:
Serializable, GenericValue
Direct Known Subclasses:
BooleanCaseWhen, DateCaseWhen, DelegateCaseWhen, NumberCaseWhen, StringCaseWhen

public abstract class GenericCaseWhen
extends DelegateStmt<GenericCaseWhen>

See Also:
Serialized Form

Field Summary
 
Fields inherited from interface org.apache.expreval.expr.node.GenericValue
serialVersionUID
 
Constructor Summary
protected GenericCaseWhen(ExpressionType type, GenericValue arg0, GenericValue arg1)
           
 
Method Summary
 String asString()
           
 boolean getPredicateValue(HConnectionImpl conn, Object object)
           
 Object getValue(HConnectionImpl conn, Object object)
           
 
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
 

Constructor Detail

GenericCaseWhen

protected GenericCaseWhen(ExpressionType type,
                          GenericValue arg0,
                          GenericValue arg1)
Method Detail

getPredicateValue

public boolean getPredicateValue(HConnectionImpl conn,
                                 Object object)
                          throws HBqlException,
                                 ResultMissingColumnException,
                                 NullColumnValueException
Throws:
HBqlException
ResultMissingColumnException
NullColumnValueException

getValue

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

asString

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


Copyright © 2011. All Rights Reserved.