Java rmi what is

When a client invokes the method on the stub object following things are performed internally:. In RMI, a skeleton is an object that is used as a Gateway for the server-side.

All the incoming request are sent through it. When a Server invokes the method on the skeleton object following things are performed internally:.

Stub act as a gateway for Client program. It resides on Client side and communicate with Skeleton object. It establish the connection between remote object and transmit request to it. Skeleton object resides on server program. It is responsible for passing request from Stub to remote object. A remote interface specifies the methods that can be invoked remotely by a client.

Clients program communicate to remote interfaces, not to classes implementing it. To be a remote interface, a interface must extend the Remote interface of java. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question.

Asked 4 years, 6 months ago. Active 4 years, 6 months ago. Viewed times. Remote Method Invocation is a broad term that describes how distributed systems communicate with each other OR RMI is a term that specifically describes how Remote Java Objects communicate with each other Could someone give a definition of RMI in regards to these conflicting points? Improve this question. Anonymous Anonymous 21 4 4 bronze badges.

You can get a bunch of information by simply clicking on the tag — Tim. Thanks for the tip but many of the answers I found conflict with each other which is why I have asked a new question. Where exactly does it say RMI is language independent?

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Let's understand the stub and skeleton objects: stub The stub is an object, acts as a gateway for the client side. When the caller invokes method on the stub object, it does the following tasks: It initiates a connection with remote Virtual Machine JVM , It writes and transmits marshals the parameters to the remote Virtual Machine JVM , It waits for the result It reads unmarshals the return value or exception, and It finally, returns the value to the caller.

This process is known as unmarshalling. RMI registry is a namespace on which all server objects are placed. Each time the server creates an object, it registers this object with the RMIregistry using bind or reBind methods. These are registered using a unique name known as bind name. To invoke a remote object, the client needs a reference of that object. At that time, the client fetches the object from the registry using its bind name using lookup method.