com.vaadin.client.widget.grid.selection.AbstractRowHandleSelectionModel API 7.7.46 | Vaadin

com.vaadin.client.widget.grid.selection.

java.lang.Object
- com.vaadin.client.widget.grid.selection.AbstractRowHandleSelectionModel<T>

Type Parameters:

T - The grid's row type

All Implemented Interfaces:

SelectionModel<T>

Direct Known Subclasses:

SelectionModelMulti, SelectionModelNone, SelectionModelSingle
```
public abstract class AbstractRowHandleSelectionModel<T>
extends Object
implements SelectionModel<T>
```
An abstract class that adds a consistent API for common methods that's needed by Vaadin's server-based selection models to work.
Note: This should be an interface instead of an abstract class, if only we could define protected methods in an interface.

Since:

7.4

Author:

Vaadin Ltd

Nested Class Summary
- Nested classes/interfaces inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel
  SelectionModel.Multi<T>, SelectionModel.None<T>, SelectionModel.Single<T>

Constructor Summary

Constructors
Constructor Description

AbstractRowHandleSelectionModel()

Method Summary

All Methods
Modifier and Type	Method	Description
`protected abstract boolean`	`deselectByHandle(DataSource.RowHandle<T> handle)`	Deselect a row, based on its `RowHandle`.
`protected abstract boolean`	`selectByHandle(DataSource.RowHandle<T> handle)`	Select a row, based on its `RowHandle`.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.vaadin.client.widget.grid.selection.SelectionModel
getSelectedRows, getSelectionColumnRenderer, isSelected, reset, setGrid

- Constructor Detail
  - AbstractRowHandleSelectionModel
```
public AbstractRowHandleSelectionModel()
```
- Method Detail
  - selectByHandle
```
protected abstract boolean selectByHandle(DataSource.RowHandle<T> handle)
```
    Select a row, based on its RowHandle.
    Note: this method may not fire selection change events.
    
    Parameters:
    
    handle - the handle to select by
    
    Returns:
    
    true iff the selection state was changed by this call
    
    Throws:
    
    UnsupportedOperationException - if the selection model does not support either handles or selection
  - deselectByHandle
```
protected abstract boolean deselectByHandle(DataSource.RowHandle<T> handle)
                                     throws UnsupportedOperationException
```
    Deselect a row, based on its RowHandle.
    Note: this method may not fire selection change events.
    
    Parameters:
    
    handle - the handle to deselect by
    
    Returns:
    
    true iff the selection state was changed by this call
    
    Throws:
    
    UnsupportedOperationException - if the selection model does not support either handles or deselection