com.gridsystems.beanfilter
Class Filter

java.lang.Object
  com.gridsystems.beanfilter.Filter

public class Filter
extends java.lang.Object

Agent filter.

Version:

1.0

Author:

Rodrigo Ruiz

Constructor Summary

Filter(java.lang.String expr, java.lang.Class<?> c)
Creates a new instance.

Method Summary

boolean	eval(java.lang.Object src) Evaluates the filter.
java.lang.String	getExpr() Gets the filter expression.
java.lang.String	getFormattedExpr() For DEBUG purposes.
void	setExpr(java.lang.String expr) Modifies this filter expression.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Filter

public Filter(java.lang.String expr,
              java.lang.Class<?> c)
       throws EvalException

Creates a new instance.

Parameters:

expr - The filter expression

c - The class to filter

Throws:

EvalException - If a syntax error is found in expr

Method Detail

eval

public boolean eval(java.lang.Object src)
             throws EvalException

Evaluates the filter.

Parameters:

src - The data source to filter

Returns:

true if the filter allows access to the agent

Throws:

EvalException - If a syntax error is detected

getExpr

public java.lang.String getExpr()

Gets the filter expression.

Returns:

The filter expression

setExpr

public void setExpr(java.lang.String expr)
             throws EvalException

Modifies this filter expression.

Parameters:

expr - The new expression

Throws:

EvalException - If a syntax error is detected

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getFormattedExpr

public java.lang.String getFormattedExpr()

For DEBUG purposes.

Returns:

Formatted Expression