handle
This interface is designed for implementing custom handlers that respond to membershipMetadata event retrieval operations. It defines a single handle method that is called with a PNMembershipResult instance, which contains the membership metadata.
Usage example:
OnMembershipHandler handler = pnMembershipResult -> {
System.out.println("Received membership event: " + pnMembershipResult.getEvent());
};
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See also
for more information about the message result provided to this handler.