org.smartfrog.sfcore.languages.sf.functions
Class BaseOperator

java.lang.Object
  org.smartfrog.sfcore.languages.sf.functions.BaseFunction
      org.smartfrog.sfcore.languages.sf.functions.BaseOperator

All Implemented Interfaces:

Function

Direct Known Subclasses:

And, Concatenate, Or, Product, Sum

public abstract class BaseOperator
extends BaseFunction

Defines the baseoperator for the operator functions. The operator is assumed to be left associative (earlier attributes are "left"), and placed between all relevant attributes defined in the component description

Field Summary

Fields inherited from class org.smartfrog.sfcore.languages.sf.functions.BaseFunction

context, name

Constructor Summary

BaseOperator()

Method Summary

protected java.lang.Object	doFunction() Implements the functionality of base operator.
protected abstract java.lang.Object	doOperator(java.lang.Object a, java.lang.Object b) The method to implement the functionality of any operator.

Methods inherited from class org.smartfrog.sfcore.languages.sf.functions.BaseFunction

doit

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseOperator

public BaseOperator()

Method Detail

doOperator

protected abstract java.lang.Object doOperator(java.lang.Object a,
                                               java.lang.Object b)
                                        throws SmartFrogCompileResolutionException

The method to implement the functionality of any operator.

Parameters:

a - Object 1 for operator

b - Object 2 for operator

Returns:

an Object

Throws:

SmartFrogCompileResolutionException

doFunction

protected java.lang.Object doFunction()
                               throws SmartFrogCompileResolutionException

Implements the functionality of base operator.

Specified by:

doFunction in class BaseFunction

Returns:

the result of the function: an Object

Throws:

SmartFrogCompileResolutionException