src/main/java/org/efaps/ui/wicket/models/objects/UITable.java
public TableFilter getFilter(final UITableHeader _uitableHeader)
        throws EFapsException
    {
        TableFilter ret = this.filters.get(_uitableHeader.getFieldName());
        if (ret != null && ret.getUiTableHeader() == null) {
            ret = new TableFilter(_uitableHeader);
            this.filters.put(_uitableHeader.getFieldName(), ret);
        }
        return ret;
    }
public TableFilter getFilter(final UITableHeader _uitableHeader)
        throws EFapsException
    {
        TableFilter ret = this.filters.get(_uitableHeader.getFieldName());
        if (ret != null && ret.getUiTableHeader() == null) {
            ret = new TableFilter(_uitableHeader);
            this.filters.put(_uitableHeader.getFieldName(), ret);
        }
        return ret;
    }
Method to get a Filter from the list of filters belonging to this
UITable.

@param _uitableHeader UitableHeader this filter belongs to
@return filter
@throws EFapsException on error