ColumnData

Type Parameters:

T - the column data type.

All Known Implementing Classes:

MappedColumnConstraint.DelegateColumnData
```
public interface ColumnData<T>
```
Interface for providing column data and a table's DataSource to a constraint editor. Some editors require access to the table column data. One example is a String "Starts With" column might pre-process the data to provide an autocompletion feature in the editor.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.lang.String`	`getColumnName()`	Returns the name of the column being filtered.
`T`	`getColumnValue(int row)`	Returns the column value for the given row.
`int`	`getCount()`	Returns the number of column values (unfiltered table row count)
`java.lang.Object`	`getTableDataSource()`	Returns the table's DataSource.

- Method Detail
  - getColumnName
```
java.lang.String getColumnName()
```
    Returns the name of the column being filtered.
    
    Returns:
    
    the name of the column being filtered.
  - getCount
```
int getCount()
```
    Returns the number of column values (unfiltered table row count)
    
    Returns:
    
    the number of column values (unfiltered table row count)
  - getColumnValue
```
T getColumnValue(int row)
```
    Returns the column value for the given row.
    
    Parameters:
    
    row - the row for which to get the column value.
    
    Returns:
    
    the column value for the given row.
  - getTableDataSource
```
java.lang.Object getTableDataSource()
```
    Returns the table's DataSource.
    
    Returns:
    
    the table's DataSource.