Package io.jmix.ui.data.impl

Class ListDataProvider

java.lang.Object

io.jmix.ui.data.impl.ListDataProvider

All Implemented Interfaces:

DataProvider, Serializable

public class ListDataProvider
extends Object
implements DataProvider

Data provider in which all items are stored in List.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected final List<DataChangeListener>	changeListeners
protected final List<DataItem>	items

Constructor Summary

Constructors

Constructor	Description
ListDataProvider()
ListDataProvider(DataItem... items)
ListDataProvider(List<? extends DataItem> items)

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(DataChangeListener listener)	Adds listener to the data provider events.
void	addItem(DataItem item)	Adds an item to the data provider.
void	addItems(Collection<? extends DataItem> items)	Adds a collection of data items to the data provider.
protected void	fireDataChanged(DataChangeOperation operation, List<DataItem> items)
DataItem	getItem(Object id)
List<DataItem>	getItems()
void	removeAll()	Removes all items from the data provider.
void	removeChangeListener(DataChangeListener listener)	Removes listener to data provider events
void	removeItem(DataItem item)	Removes an item from the data provider.
void	updateItem(DataItem item)	Update an item in the data provider if it is already there.

Methods inherited from class java.lang.Object

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

Field Details

items

protected final List<DataItem> items

changeListeners

protected final List<DataChangeListener> changeListeners

Constructor Details

ListDataProvider

public ListDataProvider()

ListDataProvider

public ListDataProvider(DataItem... items)

ListDataProvider

public ListDataProvider(List<? extends DataItem> items)

Method Details

getItems

public List<DataItem> getItems()

Specified by:

getItems in interface DataProvider

Returns:

list of all items.

getItem

public DataItem getItem(Object id)

Specified by:

getItem in interface DataProvider

Parameters:

id - id of data item

Returns:

data item by id

addItem

public void addItem(DataItem item)

Description copied from interface: DataProvider

Adds an item to the data provider.

Specified by:

addItem in interface DataProvider

Parameters:

item - an item to be added

addItems

public void addItems(Collection<? extends DataItem> items)

Description copied from interface: DataProvider

Adds a collection of data items to the data provider.

Specified by:

addItems in interface DataProvider

Parameters:

items - a collection of data items to be added

updateItem

public void updateItem(DataItem item)

Update an item in the data provider if it is already there.

Specified by:

updateItem in interface DataProvider

Parameters:

item - an item to be updated

Throws:

IllegalArgumentException - if no such element found

removeItem

public void removeItem(DataItem item)

Description copied from interface: DataProvider

Removes an item from the data provider.

Specified by:

removeItem in interface DataProvider

Parameters:

item - an item to be removed

removeAll

public void removeAll()

Description copied from interface: DataProvider

Removes all items from the data provider.

Specified by:

removeAll in interface DataProvider

fireDataChanged

protected void fireDataChanged(DataChangeOperation operation,
 List<DataItem> items)

addChangeListener

public void addChangeListener(DataChangeListener listener)

Description copied from interface: DataProvider

Adds listener to the data provider events.

Specified by:

addChangeListener in interface DataProvider

Parameters:

listener - listener to be added

removeChangeListener

public void removeChangeListener(DataChangeListener listener)

Description copied from interface: DataProvider

Removes listener to data provider events

Specified by:

removeChangeListener in interface DataProvider

Parameters:

listener - listener to be removed