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Interface PREDATOR.ADT.CachingObject

public interface CachingObject
extends CallbackObject
The class extended by objects which can contact the server for additional information and are also able to provide a binary representation of this information so that the "full value" can be cached.

See Also:
CallbackObject

Method Index

o callback(URL, ADTMetaInfo)
Performs a callback to the server, using the given URL.
o requiresCallback(ADTMetaInfo)
Determines if this object has a handle on the "full value", or if a callback or deserialization is necessary.

Methods

o callback 
 public abstract void callback(URL CallbackURL,
                               ADTMetaInfo MetaInfo)
Performs a callback to the server, using the given URL. The URL may be opened as a stream, if desired. The contents of the URL will be determined by what the server-side ADT writes out in the ServiceCallback() function (in types.h).

Parameters:
CallbackURL - The URL of the callback object
MetaInfo - The meta-info for this object
o requiresCallback 
 public abstract boolean requiresCallback(ADTMetaInfo MetaInfo)
Determines if this object has a handle on the "full value", or if a callback or deserialization is necessary.

Parameters:
MetaInfo - The meta-info for this object
Returns:
true if this object does not have its "full value" available 
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