Class PublisherReducers.PublisherReducersExternalizer
java.lang.Object
org.infinispan.reactive.publisher.PublisherReducers.PublisherReducersExternalizer
- All Implemented Interfaces:
Serializable
,AdvancedExternalizer<Object>
,Externalizer<Object>
- Enclosing class:
PublisherReducers
public static final class PublisherReducers.PublisherReducersExternalizer
extends Object
implements AdvancedExternalizer<Object>
- See Also:
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Field Summary
Fields inherited from interface org.infinispan.commons.marshall.AdvancedExternalizer
USER_EXT_ID_MIN
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptiongetId()
Returns an integer that identifies the externalizer type.Returns a collection of Class instances representing the types that this AdvancedExternalizer can marshall.readObject
(ObjectInput input) Read an instance from the stream.void
writeObject
(ObjectOutput output, Object object) Write the object reference to the stream.
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Constructor Details
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PublisherReducersExternalizer
public PublisherReducersExternalizer()
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Method Details
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getTypeClasses
Description copied from interface:AdvancedExternalizer
Returns a collection of Class instances representing the types that this AdvancedExternalizer can marshall. Clearly, empty sets are not allowed. The externalizer framework currently requires all individual types to be listed since it does not make assumptions based on super classes or interfaces.- Specified by:
getTypeClasses
in interfaceAdvancedExternalizer<Object>
- Returns:
- A set containing the Class instances that can be marshalled.
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getId
Description copied from interface:AdvancedExternalizer
Returns an integer that identifies the externalizer type. This is used at read time to figure out whichAdvancedExternalizer
should read the contents of the incoming buffer. Using a positive integer allows for very efficient variable length encoding of numbers, and it's much more efficient than shippingAdvancedExternalizer
implementation class information around. Negative values are not allowed. Implementers of this interface can use any positive integer as long as it does not clash with any other identifier in the system. You can find information on the pre-assigned identifier ranges in here. It's highly recommended that maintaining of these identifiers is done in a centralized way and you can do so by making annotations reference a set of statically defined identifiers in a separate class or interface. Such class/interface gives a global view of the identifiers in use and so can make it easier to assign new ids. Implementors can optionally avoid giving a meaningful implementation to this method (i.e. return null) and instead rely on XML or programmatic configuration to provide the AdvancedExternalizer id. If no id can be determined via the implementation or XML/programmatic configuration, an error will be reported. If an id has been defined both via the implementation and XML/programmatic configuration, the value defined via XML/programmatic configuration will be used ignoring the other.- Specified by:
getId
in interfaceAdvancedExternalizer<Object>
- Returns:
- A positive identifier for the AdvancedExternalizer.
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writeObject
Description copied from interface:Externalizer
Write the object reference to the stream.- Specified by:
writeObject
in interfaceExternalizer<Object>
- Parameters:
output
- the object output to write toobject
- the object reference to write- Throws:
IOException
- if an I/O error occurs
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readObject
Description copied from interface:Externalizer
Read an instance from the stream. The instance will have been written by theExternalizer.writeObject(ObjectOutput, Object)
method. Implementations are free to create instances of the object read from the stream in any way that they feel like. This could be via constructor, factory or reflection.- Specified by:
readObject
in interfaceExternalizer<Object>
- Parameters:
input
- the object input to read from- Returns:
- the object instance
- Throws:
IOException
- if an I/O error occursClassNotFoundException
- if a class could not be found
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