Package com.storedobject.ui

Class AbstractTreeProvider<T,O>

java.lang.Object

com.vaadin.flow.data.provider.AbstractDataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>

com.vaadin.flow.data.provider.hierarchy.AbstractHierarchicalDataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>

com.storedobject.ui.AbstractTreeProvider<T,O>

All Implemented Interfaces:

ViewFilterSupport<O>, com.vaadin.flow.data.provider.DataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>, com.vaadin.flow.data.provider.hierarchy.HierarchicalDataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>, Serializable

Direct Known Subclasses:

ObjectForestProvider, ObjectTreeProvider

public abstract class AbstractTreeProvider<T,O>
extends com.vaadin.flow.data.provider.hierarchy.AbstractHierarchicalDataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>
implements ViewFilterSupport<O>

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static interface	AbstractTreeProvider.LoadCallBack

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	AbstractTreeProvider(Class<O> dataClass)

Method Summary

Modifier and Type	Method	Description
com.vaadin.flow.shared.Registration	addDataLoadedListener(DataLoadedListener listener)	Whenever data is loaded from the DB, this listener will be informed.
void	clear()
void	close()
void	filterView(String filters)
T	get(int index)
abstract Filtered<? extends T>	getData()
final com.vaadin.flow.data.provider.DataProvider<?,?>	getDataProvider()
com.vaadin.flow.component.ItemLabelGenerator<T>	getItemLabelGenerator()
final Class<O>	getObjectClass()
int	getObjectCount()
abstract List<? extends T>	getRoots()
ViewFilter<O>	getViewFilter()
int	indexOf(T object)
boolean	isInMemory()
void	refreshAll()
final void	setFilter(com.vaadin.flow.function.SerializablePredicate<T> filter)
void	setItemLabelGenerator(com.vaadin.flow.component.ItemLabelGenerator<T> itemLabelGenerator)
Stream<? extends T>	streamAll()
Stream<? extends T>	streamFiltered()

Methods inherited from class com.vaadin.flow.data.provider.hierarchy.AbstractHierarchicalDataProvider

withConfigurableFilter, withConfigurableFilter, withConvertedFilter

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

addDataProviderListener, addListener, fireEvent, 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

addDataProviderListener, getId, refreshItem, refreshItem

Methods inherited from interface com.vaadin.flow.data.provider.hierarchy.HierarchicalDataProvider

fetch, fetchChildren, getChildCount, hasChildren, size

Methods inherited from interface com.storedobject.ui.util.ViewFilterSupport

configure, configure, configure, configureMatch

Constructor Details

AbstractTreeProvider

protected AbstractTreeProvider(Class<O> dataClass)

Method Details

getRoots

public abstract List<? extends T> getRoots()

getData

public abstract Filtered<? extends T> getData()

setFilter

public final void setFilter(com.vaadin.flow.function.SerializablePredicate<T> filter)

getObjectCount

public int getObjectCount()

get

public T get(int index)

indexOf

public int indexOf(T object)

streamAll

public Stream<? extends T> streamAll()

streamFiltered

public Stream<? extends T> streamFiltered()

clear

public void clear()

close

public void close()

getViewFilter

public ViewFilter<O> getViewFilter()

Specified by:

getViewFilter in interface ViewFilterSupport<T>

filterView

public void filterView(String filters)

Specified by:

filterView in interface ViewFilterSupport<T>

addDataLoadedListener

public com.vaadin.flow.shared.Registration addDataLoadedListener(DataLoadedListener listener)

Whenever data is loaded from the DB, this listener will be informed.

Parameters:

listener - Listener.

refreshAll

public void refreshAll()

Specified by:

refreshAll in interface com.vaadin.flow.data.provider.DataProvider<T,O>

Overrides:

refreshAll in class com.vaadin.flow.data.provider.AbstractDataProvider<T,com.vaadin.flow.function.SerializablePredicate<T>>

isInMemory

public boolean isInMemory()

Specified by:

isInMemory in interface com.vaadin.flow.data.provider.DataProvider<T,O>

setItemLabelGenerator

public void setItemLabelGenerator(com.vaadin.flow.component.ItemLabelGenerator<T> itemLabelGenerator)

getItemLabelGenerator

public com.vaadin.flow.component.ItemLabelGenerator<T> getItemLabelGenerator()

getObjectClass

public final Class<O> getObjectClass()

Specified by:

getObjectClass in interface ViewFilterSupport<T>

getDataProvider

public final com.vaadin.flow.data.provider.DataProvider<?,?> getDataProvider()

Specified by:

getDataProvider in interface ViewFilterSupport<T>