org.apache.expreval.expr.nullcomp
Class DelegateNullCompare

java.lang.Object
  org.apache.expreval.expr.GenericExpression
      org.apache.expreval.expr.DelegateStmt<T>
          org.apache.expreval.expr.NotValue<GenericNullCompare>
              org.apache.expreval.expr.nullcomp.GenericNullCompare
                  org.apache.expreval.expr.nullcomp.DelegateNullCompare

All Implemented Interfaces:

Serializable, BooleanValue, GenericValue

public class DelegateNullCompare
extends GenericNullCompare

See Also:

Serialized Form

Field Summary

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

serialVersionUID

Constructor Summary

DelegateNullCompare(boolean not, GenericValue expr)

Method Summary

GenericValue	getOptimizedValue()
Boolean	getValue(HConnectionImpl conn, Object object)
Class<? extends GenericValue>	validateTypes(GenericValue parentExpr, boolean allowCollections)

Methods inherited from class org.apache.expreval.expr.nullcomp.GenericNullCompare

asString

Methods inherited from class org.apache.expreval.expr.NotValue

isNot, notAsString

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, reset, setArg, setExpressionContext, useDecimal, validateNumericArgTypes, validateNumericTypes, validateParentClass

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

applyResultToAggregateValue, getFilter, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, reset, setExpressionContext

Constructor Detail

DelegateNullCompare

public DelegateNullCompare(boolean not,
                           GenericValue expr)

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 Boolean getValue(HConnectionImpl conn,
                        Object object)
                 throws HBqlException,
                        ResultMissingColumnException

Specified by:

getValue in interface BooleanValue

Specified by:

getValue in interface GenericValue

Overrides:

getValue in class GenericNullCompare

Throws:

HBqlException

ResultMissingColumnException