org.axiondb.functions
Class BaseBooleanBranchFunction

java.lang.Object
  org.axiondb.BaseSelectable
      org.axiondb.functions.BaseFunction
          org.axiondb.functions.BaseBooleanBranchFunction

All Implemented Interfaces:

java.io.Serializable, Function, ConcreteFunction, ScalarFunction, Selectable

Direct Known Subclasses:

AndFunction, OrFunction

public abstract class BaseBooleanBranchFunction
extends BaseFunction
implements ScalarFunction

Version:

$Revision: 1.5 $ $Date: 2005/12/20 18:32:28 $

See Also:

Serialized Form

Field Summary

Fields inherited from class org.axiondb.BaseSelectable

_hash

Constructor Summary

BaseBooleanBranchFunction(java.lang.String name)

Method Summary

java.lang.Object	evaluate(RowDecorator row)
protected abstract boolean	exitOnValue()
DataType	getDataType()
boolean	isValid()

Methods inherited from class org.axiondb.functions.BaseFunction

addArgument, getArgument, getArgumentCount, setArgument, setVariableContext, toString

Methods inherited from class org.axiondb.BaseSelectable

getAlias, getLabel, getName, setAlias, setName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.axiondb.Function

addArgument, getAlias, getArgument, getArgumentCount, getName, setAlias, setArgument

Methods inherited from interface org.axiondb.Selectable

getLabel, setVariableContext

Constructor Detail

BaseBooleanBranchFunction

public BaseBooleanBranchFunction(java.lang.String name)

Method Detail

getDataType

public final DataType getDataType()

Specified by:

getDataType in interface Selectable

Specified by:

getDataType in class BaseFunction

evaluate

public final java.lang.Object evaluate(RowDecorator row)
                                throws AxionException

Specified by:

evaluate in interface ScalarFunction

Specified by:

evaluate in interface Selectable

Throws:

AxionException

isValid

public final boolean isValid()

Specified by:

isValid in interface ConcreteFunction

Specified by:

isValid in class BaseFunction

exitOnValue

protected abstract boolean exitOnValue()