com.haulmont.charts.gui.data

Interface DataProvider

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

ContainerDataProvider, EntityDataProvider, ListDataProvider

public interface DataProvider
extends java.io.Serializable

Method Summary

Modifier and Type	Method and Description
void	addChangeListener(DataChangeListener listener) Adds listener to the data provider events.
void	addItem(DataItem item) Adds an item to the data provider.
default void	addItems(java.util.Collection<? extends DataItem> items) Adds a collection of data items to the data provider.
default DataItem	getItem(java.lang.Object id)
java.util.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.

Method Detail

getItems

java.util.List<DataItem> getItems()

Returns:

list of all items.

getItem

default DataItem getItem(java.lang.Object id)

Parameters:

id - id of data item

Returns:

data item by id

addItem

void addItem(DataItem item)

Adds an item to the data provider.

Parameters:

item - an item to be added

addItems

default void addItems(java.util.Collection<? extends DataItem> items)

Adds a collection of data items to the data provider.

Parameters:

items - a collection of data items to be added

updateItem

void updateItem(DataItem item)

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

Parameters:

item - an item to be updated

removeItem

void removeItem(DataItem item)

Removes an item from the data provider.

Parameters:

item - an item to be removed

removeAll

void removeAll()

Removes all items from the data provider.

addChangeListener

void addChangeListener(DataChangeListener listener)

Adds listener to the data provider events.

Parameters:

listener - listener to be added

removeChangeListener

void removeChangeListener(DataChangeListener listener)

Removes listener to data provider events

Parameters:

listener - listener to be removed