Package org.dspace.content.logic

Class DefaultFilter

java.lang.Object

org.dspace.content.logic.DefaultFilter

All Implemented Interfaces:

Filter, LogicalStatement

public class DefaultFilter
extends Object
implements Filter

The default filter, a very simple implementation of Filter / LogicalStatement The idea is to have this as a wrapper / root class for all logical operations, so it takes a single statement as a property (unlike an operator) and takes no parameters (unlike a condition)

Version:

$Revision$

Author:

Kim Shepherd

Constructor Summary

Constructors

Constructor	Description
DefaultFilter()

Method Summary

Modifier and Type	Method	Description
boolean	getResult(Context context, Item item)	Get the result of logical evaluation for an item
void	setStatement(LogicalStatement statement)	Set statement from Spring configuration in item-filters.xml Be aware that this is singular not plural.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultFilter

public DefaultFilter()

Method Detail

setStatement

public void setStatement(LogicalStatement statement)

Set statement from Spring configuration in item-filters.xml Be aware that this is singular not plural. A filter can have one sub-statement only.

Parameters:

statement - LogicalStatement of this filter (operator, condition, or another filter)

getResult

public boolean getResult(Context context,
                         Item item)
                  throws LogicalStatementException

Get the result of logical evaluation for an item

Specified by:

getResult in interface Filter

Specified by:

getResult in interface LogicalStatement

Parameters:

context - DSpace context

item - Item to evaluate

Returns:

boolean

Throws:

LogicalStatementException