hep.aida.ref.tuple

Class Filter

java.lang.Object

hep.aida.ref.tuple.Filter

All Implemented Interfaces:

IFilter

public class Filter
extends java.lang.Object
implements IFilter

Constructor Summary

Constructors

Constructor and Description
Filter(java.lang.String expression) Default contructor.
Filter(java.lang.String expression, int rowToProcess)
Filter(java.lang.String expression, int rowToProcess, int startingRow)

Method Summary

Modifier and Type	Method and Description
boolean	accept() Check if the IFilter accepts or not the data in the current row of the ITuple it is associated to.
java.lang.String	expression() Get the expression that defined the IFilter.
void	initialize(ITuple tuple) Initialize the IFilter and associate it to an ITuple.

Methods inherited from class java.lang.Object

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

Constructor Detail

Filter

public Filter(java.lang.String expression)

Default contructor.

Parameters:

expression - The expression to evaluate on the tuple.

Filter

public Filter(java.lang.String expression,
              int rowToProcess)

Filter

public Filter(java.lang.String expression,
              int rowToProcess,
              int startingRow)

Method Detail

expression

public java.lang.String expression()

Description copied from interface: IFilter

Get the expression that defined the IFilter.

Specified by:

expression in interface IFilter

Returns:

The expression.

initialize

public void initialize(ITuple tuple)

Description copied from interface: IFilter

Initialize the IFilter and associate it to an ITuple.

Specified by:

initialize in interface IFilter

Parameters:

tuple - The ITuple to which the IFilter is sssociated.

accept

public boolean accept()

Description copied from interface: IFilter

Check if the IFilter accepts or not the data in the current row of the ITuple it is associated to.

Specified by:

accept in interface IFilter

Returns:

true if the current data is accepted.