Simplify the RPC proxy cleanup process
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Key: HADOOP-7607
URL: https://issues.apache.org/jira/browse/HADOOP-7607
Project: Hadoop Common
Issue Type: Improvement
Components: ipc
Affects Versions: 0.24.0
Reporter: Aaron T. Myers
Assignee: Aaron T. Myers
Fix For: 0.24.0
The process to clean up an RPC proxy object is to call RPC.stopProxy, which
looks up the RPCEngine previously associated with the interface which that
proxy object provides and calls RPCEngine.stopProxy passing in the proxy
object. Every concrete implementation of RPCEngine.stopProxy then looks up the
invocation handler associated with the proxy object and calls close() on that
invocation handler.
This process can be simplified by cutting out the steps of looking up the
previously-registered RPCEngine, and instead just having RPC.stopProxy directly
look up the invocation handler for the proxy object and call close() on it.
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