org.apache.beehive.netui.databinding.datagrid.api.filter
Class FilterModel

Object
  FilterModel

All Implemented Interfaces:

Serializable

public class FilterModel
extends Object
implements Serializable

The FilterModel class supports grouping a data grid's Filter objects into a single JavaBean that implements functionality for interacting with them together.

The list of Filter objects in a FilterModel are ordered. This class provides methods that can be used to find all the filters for a data grid and to determine if a given filter expression is sorted.

See Also:

Serialized Form

FilterModel

public FilterModel(List filters)

Construct an a filter model given a List of Filter instances.

Parameters:

filters - the filters for a data grid.

getFilters

public List getFilters()

Get the List of filters for a data grid.

Returns:

a data grid's fitlers

getFilters

public List getFilters(String filterExpression)

Get a List of Filter objects. The list returned will contain all of the Filter objects whose Filter.getFilterExpression() matches the given filterExpression.

Parameters:

filterExpression - the expression whose matching filters to find

Returns:

null if no matching Filter objects are found; a List of Filter objects otherwise.

isFiltered

public boolean isFiltered(String filterExpression)

Utility method that checks to see if the given filterExpression matches any of the current Filter instances.

Parameters:

filterExpression - the filter expression to check

Returns:

true if at least one filter matches the filterExpression; false otherwise.