Package io.jmix.chartsflowui.data

Class ContainerChartItems<T>

java.lang.Object

com.vaadin.flow.data.provider.AbstractDataProvider<EntityDataItem,Void>

io.jmix.chartsflowui.data.ContainerChartItems<T>

All Implemented Interfaces:

com.vaadin.flow.data.provider.DataProvider<EntityDataItem,Void>, ChartItems<EntityDataItem>, ContainerDataUnit<T>, DataUnit, EntityDataUnit, Serializable

public class ContainerChartItems<T>
extends com.vaadin.flow.data.provider.AbstractDataProvider<EntityDataItem,Void>
implements ContainerDataUnit<T>, ChartItems<EntityDataItem>

Data provider bound to the CollectionContainer for a Chart component.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface io.jmix.chartsflowui.kit.data.chart.ChartItems

ChartItems.DataChangeOperation, ChartItems.ItemSetChangeEvent<T extends DataItem>

Nested classes/interfaces inherited from interface io.jmix.flowui.data.DataUnit

DataUnit.StateChangeEvent

Field Summary

Fields

Modifier and Type	Field	Description
protected CollectionContainer<T>	container

Constructor Summary

Constructors

Constructor	Description
ContainerChartItems(CollectionContainer<T> container)

Method Summary

Modifier and Type	Method	Description
com.vaadin.flow.shared.Registration	addItemSetChangeListener(Consumer<ChartItems.ItemSetChangeEvent<EntityDataItem>> listener)	Registers a new item set change listener.
com.vaadin.flow.shared.Registration	addStateChangeListener(Consumer<DataUnit.StateChangeEvent> listener)	Registers a new state change listener.
Stream<EntityDataItem>	fetch(com.vaadin.flow.data.provider.Query<EntityDataItem,Void> query)
CollectionContainer<T>	getContainer()
MetaClass	getEntityMetaClass()
protected EventBus	getEventBus()
EntityDataItem	getItem(Object id)
List<EntityDataItem>	getItems()
BindingState	getState()
protected void	initContainer(CollectionContainer<T> container)
boolean	isInMemory()
protected ChartItems.DataChangeOperation	mapToChangeOperation(CollectionChangeType changeType)
protected List<EntityDataItem>	mapToEntityDataItem(Collection<? extends T> collection)
protected void	onContainerCollectionChanged(CollectionContainer.CollectionChangeEvent<T> event)
int	size(com.vaadin.flow.data.provider.Query<EntityDataItem,Void> query)

Methods inherited from class com.vaadin.flow.data.provider.AbstractDataProvider

addDataProviderListener, addListener, fireEvent, refreshAll, refreshItem, refreshItem

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.data.provider.DataProvider

getId, withConfigurableFilter, withConfigurableFilter, withConvertedFilter

Field Details

container

protected CollectionContainer<T> container

Constructor Details

ContainerChartItems

public ContainerChartItems(CollectionContainer<T> container)

Method Details

initContainer

protected void initContainer(CollectionContainer<T> container)

onContainerCollectionChanged

protected void onContainerCollectionChanged(CollectionContainer.CollectionChangeEvent<T> event)

addItemSetChangeListener

public com.vaadin.flow.shared.Registration addItemSetChangeListener(Consumer<ChartItems.ItemSetChangeEvent<EntityDataItem>> listener)

Description copied from interface: ChartItems

Registers a new item set change listener.

Specified by:

addItemSetChangeListener in interface ChartItems<T>

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

getItems

public List<EntityDataItem> getItems()

Specified by:

getItems in interface ChartItems<T>

Returns:

unmodifiable collection of items

getItem

@Nullable
public EntityDataItem getItem(Object id)

Specified by:

getItem in interface ChartItems<T>

Parameters:

id - the item id

Returns:

the item by the given id

getEntityMetaClass

public MetaClass getEntityMetaClass()

Specified by:

getEntityMetaClass in interface EntityDataUnit

Returns:

MetaClass of an entity contained in the source

getContainer

public CollectionContainer<T> getContainer()

Specified by:

getContainer in interface ContainerDataUnit<T>

isInMemory

public boolean isInMemory()

Specified by:

isInMemory in interface com.vaadin.flow.data.provider.DataProvider<EntityDataItem,Void>

size

public int size(com.vaadin.flow.data.provider.Query<EntityDataItem,Void> query)

Specified by:

size in interface com.vaadin.flow.data.provider.DataProvider<EntityDataItem,Void>

fetch

public Stream<EntityDataItem> fetch(com.vaadin.flow.data.provider.Query<EntityDataItem,Void> query)

Specified by:

fetch in interface com.vaadin.flow.data.provider.DataProvider<EntityDataItem,Void>

getState

public BindingState getState()

Specified by:

getState in interface DataUnit

Returns:

a state of this source

addStateChangeListener

public com.vaadin.flow.shared.Registration addStateChangeListener(Consumer<DataUnit.StateChangeEvent> listener)

Description copied from interface: DataUnit

Registers a new state change listener.

Specified by:

addStateChangeListener in interface DataUnit

Parameters:

listener - the listener to be added

Returns:

a registration object for removing an event listener added to a source

mapToEntityDataItem

protected List<EntityDataItem> mapToEntityDataItem(Collection<? extends T> collection)

mapToChangeOperation

protected ChartItems.DataChangeOperation mapToChangeOperation(CollectionChangeType changeType)

getEventBus

protected EventBus getEventBus()