Package net.sf.basedb.util.overview.filter

Class HasAttributeFilter

java.lang.Object

net.sf.basedb.util.overview.filter.HasAttributeFilter

All Implemented Interfaces:

Filter<Node>

public class HasAttributeFilter
extends Object
implements Filter<Node>

A filter implementation that checks if a value for a given attribute exists on a node. It will evaluate to true for all Node:s that has a value for a specific attribute.

Since:

3.0

Author:

Nicklas

Last modified

$Date $

Field Summary

Fields

Modifier and Type	Field	Description
private NodeAttribute<?>	attribute
private Object	value

Constructor Summary

Constructors

Constructor	Description
HasAttributeFilter(NodeAttribute<?> attribute)	Create a filter that finds nodes that has value for the given attribute.
HasAttributeFilter(NodeAttribute<?> attribute, Object value)	Create a filter that finds nodes that has a specific value for the given attribute.

Method Summary

Modifier and Type	Method	Description
boolean	evaluate(Node node)	Evaluate if the given object should pass the filter or not.

Methods inherited from class java.lang.Object

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

Field Details

attribute

private final NodeAttribute<?> attribute

value

private final Object value

Constructor Details

HasAttributeFilter

public HasAttributeFilter(NodeAttribute<?> attribute)

Create a filter that finds nodes that has value for the given attribute.

Parameters:

attribute - The attribute to check

HasAttributeFilter

public HasAttributeFilter(NodeAttribute<?> attribute,
Object value)

Create a filter that finds nodes that has a specific value for the given attribute.

Parameters:

attribute - The attribute to check

value - The value that must match

Since:

3.3

Method Details

evaluate

public boolean evaluate(Node node)

Description copied from interface: Filter

Evaluate if the given object should pass the filter or not.

Specified by:

evaluate in interface Filter<Node>

Parameters:

node - The object to evaluate

Returns:

TRUE if the object passes the filter, FALSE otherwise