Package com.vaadin.collaborationengine
Class MapChangeEvent
- java.lang.Object
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- java.util.EventObject
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- com.vaadin.collaborationengine.MapChangeEvent
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- All Implemented Interfaces:
Serializable
public class MapChangeEvent extends EventObject
Event that is fired when the value in a collaboration map changes.- Since:
- 1.0
- Author:
- Vaadin Ltd
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class java.util.EventObject
source
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Constructor Summary
Constructors Constructor Description MapChangeEvent(CollaborationMap source, com.vaadin.collaborationengine.MapChange change)
Creates a new map change event.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description String
getKey()
Gets the updated map key.<T> T
getOldValue(com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
Gets the old value as an instance corresponding to the given type reference.<T> T
getOldValue(Class<T> type)
Gets the old value as an instance of the given class.CollaborationMap
getSource()
<T> T
getValue(com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
Gets the new value as an instance corresponding to the given type reference.<T> T
getValue(Class<T> type)
Gets the new value as an instance of the given class.-
Methods inherited from class java.util.EventObject
toString
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Constructor Detail
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MapChangeEvent
public MapChangeEvent(CollaborationMap source, com.vaadin.collaborationengine.MapChange change)
Creates a new map change event.- Parameters:
source
- the collaboration map for which the event is fired, notnull
change
- detail of the change, notnull
- Since:
- 1.0
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Method Detail
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getSource
public CollaborationMap getSource()
- Overrides:
getSource
in classEventObject
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getKey
public String getKey()
Gets the updated map key.- Returns:
- the updated map key, not
null
- Since:
- 1.0
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getOldValue
public <T> T getOldValue(Class<T> type)
Gets the old value as an instance of the given class.- Type Parameters:
T
- the type of the value fromtype
parameter, e.g.String
- Parameters:
type
- the expected type of the returned instance- Returns:
- the old map value, or
null
if no value was present previously - Since:
- 1.0
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getOldValue
public <T> T getOldValue(com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
Gets the old value as an instance corresponding to the given type reference.- Type Parameters:
T
- the type reference of the value fromtypeRef
parameter, e.g.List
> - Parameters:
typeRef
- the expected type reference of the returned instance- Returns:
- the old map value, or
null
if no value was present previously - Since:
- 1.0
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getValue
public <T> T getValue(Class<T> type)
Gets the new value as an instance of the given class.- Type Parameters:
T
- the type of the value fromtype
parameter, e.g.String
- Parameters:
type
- the expected type of the returned instance- Returns:
- the new map value, or
null
if the association was removed - Since:
- 1.0
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getValue
public <T> T getValue(com.fasterxml.jackson.core.type.TypeReference<T> typeRef)
Gets the new value as an instance corresponding to the given type reference.- Type Parameters:
T
- the type reference of the value from `typeRef` parameter, e.g.List
> - Parameters:
typeRef
- the expected type reference of the returned instance- Returns:
- the new map value, or
null
if the association was removed - Since:
- 1.0
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