org.apache.expreval.expr.function
Class DateFunction

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

All Implemented Interfaces:

Serializable, DateValue, GenericValue

public class DateFunction
extends GenericFunction
implements DateValue

See Also:

Serialized Form

Nested Class Summary

static class	DateFunction.ConstantType
static class	DateFunction.IntervalType

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

DateFunction(DateFunction.ConstantType constantType)

DateFunction(DateFunction.IntervalType intervalType, List<GenericValue> exprs)

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

Method Summary

String	asString()
protected String	getFunctionName()
Long	getValue(HConnectionImpl conn, Object object)

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

getFunctionType, getOptimizedValue, getTypeSignature, isAConstant, isAnAggregateValue, isConstantDate, isIntervalDate, validateTypes

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, getFilter, getOptimizedValue, hasAColumnReference, initAggregateValue, isAColumnReference, isAConstant, isAnAggregateValue, isDefaultKeyword, reset, setExpressionContext, validateTypes

Constructor Detail

DateFunction

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

DateFunction

public DateFunction(DateFunction.ConstantType constantType)

DateFunction

public DateFunction(DateFunction.IntervalType intervalType,
                    List<GenericValue> exprs)

Method Detail

getValue

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

Specified by:

getValue in interface DateValue

Specified by:

getValue in interface GenericValue

Throws:

HBqlException

ResultMissingColumnException

NullColumnValueException

getFunctionName

protected String getFunctionName()

Overrides:

getFunctionName in class GenericFunction

asString

public String asString()

Specified by:

asString in interface GenericValue

Overrides:

asString in class GenericFunction