org.apache.expreval.expr.function
Class BooleanFunction

java.lang.Object
  org.apache.expreval.expr.GenericExpression
      org.apache.expreval.expr.function.GenericFunction
          org.apache.expreval.expr.function.BooleanFunction

All Implemented Interfaces:

Serializable, BooleanValue, GenericValue

public class BooleanFunction
extends GenericFunction
implements BooleanValue

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.expreval.expr.function.GenericFunction

GenericFunction.FunctionType

Field Summary

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

serialVersionUID

Constructor Summary

BooleanFunction(GenericFunction.FunctionType functionType, List<GenericValue> exprs)

Method Summary

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

Methods inherited from class org.apache.expreval.expr.function.GenericFunction

asString, getFunctionName, getFunctionType, getOptimizedValue, getTypeSignature, isAConstant, isAnAggregateValue, isConstantDate, isIntervalDate

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

applyResultToAggregateValue, getConstantValue, getExprArg, getExpressionContext, getFilter, getGenericValueClass, getGenericValueList, getInvalidTypeMsg, getSubArgs, getValueWithCast, getValueWithCast, hasAColumnReference, initAggregateValue, isAColumnReference, 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, asString, getFilter, getOptimizedValue, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, reset, setExpressionContext

Constructor Detail

BooleanFunction

public BooleanFunction(GenericFunction.FunctionType functionType,
                       List<GenericValue> exprs)

Method Detail

validateTypes

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

Specified by:

validateTypes in interface GenericValue

Overrides:

validateTypes in class GenericFunction

Throws:

HBqlException

getValue

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

Specified by:

getValue in interface BooleanValue

Specified by:

getValue in interface GenericValue

Throws:

HBqlException

ResultMissingColumnException

NullColumnValueException