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com.vaadin.flow.component.internal.
Class EventDataCache
- java.lang.Object
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- com.vaadin.flow.component.internal.EventDataCache
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All Implemented Interfaces:
public class EventDataCache extends Object implements SerializableCache for tracking global information related to
ComponentEventtypes.For internal use only. May be renamed or removed in a future release.
Since:
1.0
Author:
Vaadin Ltd
See Also:
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Constructor Summary
Constructors Constructor Description EventDataCache()
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Method Summary
All Methods Modifier and Type Method Description Optional<LinkedHashMap<String,Class<?>>>getDataExpressions(Class<? extends ComponentEvent<?>> eventType)Gets the cached data expressions for the given event type.
<T extends ComponentEvent<?>>
Optional<Constructor<T>>getEventConstructor(Class<T> eventType)Gets the cached DOM event constructor for the given event type.
LinkedHashMap<String,Class<?>>setDataExpressions(Class<? extends ComponentEvent<?>> eventType, LinkedHashMap<String,Class<?>> expressions)Stores the given data expressions for the given event type in the cache.
<T extends ComponentEvent<?>>
Constructor<T>setEventConstructor(Class<T> eventType, Constructor<T> constructor)Stores the given DOM event constructor for the given event type in the cache.
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Method Detail
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getDataExpressions
public Optional<LinkedHashMap<String,Class<?>>> getDataExpressions(Class<? extends ComponentEvent<?>> eventType)Gets the cached data expressions for the given event type.
Parameters:
eventType- the component event typeReturns:
an optional containing the data expressions or an empty optional if no data expressions have been cached for the given event type
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setDataExpressions
public LinkedHashMap<String,Class<?>> setDataExpressions(Class<? extends ComponentEvent<?>> eventType, LinkedHashMap<String,Class<?>> expressions)Stores the given data expressions for the given event type in the cache.
Parameters:
eventType- the component event typeexpressions- the data expressions to storeReturns:
the stored data expressions
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getEventConstructor
public <T extends ComponentEvent<?>> Optional<Constructor<T>> getEventConstructor(Class<T> eventType)Gets the cached DOM event constructor for the given event type.
Type Parameters:
T- the component event typeParameters:
eventType- the component event typeReturns:
an optional containing the DOM event constructor or an empty optional if no DOM event constructor has been cached for the given event type
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setEventConstructor
public <T extends ComponentEvent<?>> Constructor<T> setEventConstructor(Class<T> eventType, Constructor<T> constructor)Stores the given DOM event constructor for the given event type in the cache.
Type Parameters:
T- the event typeParameters:
eventType- the component event typeconstructor- the DOM event constructor to storeReturns:
the stored DOM event constructor
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