Package com.tangosol.net.topic
Class Subscriber.Convert<V,U>
java.lang.Object
com.tangosol.net.topic.Subscriber.Convert<V,U>
- Type Parameters:
V
- the type of the topic valueU
- the type of the value returned to the subscriber
- All Implemented Interfaces:
ExternalizableLite
,PortableObject
,Subscriber.Option<V,
,U> Serializable
- Enclosing interface:
Subscriber<V>
public static class Subscriber.Convert<V,U>
extends Object
implements Subscriber.Option<V,U>, ExternalizableLite, PortableObject
The Convert option specifies a
ValueExtractor
that will convert topic values that
a subscriber is interested in receiving prior to sending them to the subscriber.
Note that all members of a subscriber group share a single converter. If members join the group using different
converter then the last one to join will set the converter function for the group.- See Also:
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Field Summary
Fields inherited from interface com.tangosol.net.topic.Subscriber.Option
NULL_OPTION
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Constructor Summary
ModifierConstructorDescriptionConvert()
Default constructor for serialization.protected
Convert
(ValueExtractor<? super V, U> extractor) -
Method Summary
Modifier and TypeMethodDescriptionValueExtractor
<? super V, U> Return the option's converter function.void
Restore the contents of a user type instance by reading its state using the specified PofReader object.void
Restore the contents of this object by loading the object's state from the passed DataInput object.static <V,
U> Subscriber.Convert <V, U> using
(ValueExtractor<? super V, U> extractor) Return a Convert option with the specified extractor.void
writeExternal
(PofWriter out) Save the contents of a POF user type instance by writing its state using the specified PofWriter object.void
writeExternal
(DataOutput out) Save the contents of this object by storing the object's state into the passed DataOutput object.
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Constructor Details
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Convert
public Convert()Default constructor for serialization. -
Convert
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Method Details
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getExtractor
Return the option's converter function.- Returns:
- the converter function
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using
Return a Convert option with the specified extractor.- Parameters:
extractor
- the converter extractor- Returns:
- the Filtered option
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readExternal
Description copied from interface:ExternalizableLite
Restore the contents of this object by loading the object's state from the passed DataInput object.- Specified by:
readExternal
in interfaceExternalizableLite
- Parameters:
in
- the DataInput stream to read data from in order to restore the state of this object- Throws:
IOException
- if an I/O exception occurs
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writeExternal
Description copied from interface:ExternalizableLite
Save the contents of this object by storing the object's state into the passed DataOutput object.- Specified by:
writeExternal
in interfaceExternalizableLite
- Parameters:
out
- the DataOutput stream to write the state of this object to- Throws:
IOException
- if an I/O exception occurs
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readExternal
Description copied from interface:PortableObject
Restore the contents of a user type instance by reading its state using the specified PofReader object.- Specified by:
readExternal
in interfacePortableObject
- Parameters:
in
- the PofReader from which to read the object's state- Throws:
IOException
- if an I/O error occurs
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writeExternal
Description copied from interface:PortableObject
Save the contents of a POF user type instance by writing its state using the specified PofWriter object.- Specified by:
writeExternal
in interfacePortableObject
- Parameters:
out
- the PofWriter to which to write the object's state- Throws:
IOException
- if an I/O error occurs
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