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Output:")])]),t._v(" "),a("div",{staticClass:"language-java extra-class"},[a("pre",{pre:!0,attrs:{class:"language-java"}},[a("code",[a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Server")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Registry")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[a("span",{pre:!0,attrs:{class:"token namespace"}},[t._v("created"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")])]),t._v("\nServer")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("PersonList")]),t._v(" registered\n\n")])])]),a("ul",[a("li",[t._v("Start main method of PersonTest.java. Output:")])]),t._v(" "),a("div",{staticClass:"language-java extra-class"},[a("pre",{pre:!0,attrs:{class:"language-java"}},[a("code",[a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Peter")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Pan")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Pippi")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Langstrumpf")]),t._v("\n\n")])])]),a("h4",{attrs:{id:"remarks"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#remarks"}},[t._v("#")]),t._v(" Remarks")]),t._v(" "),a("p",[t._v('RMI requires 3 components: client, server and a shared remote interface. The shared remote interface defines the client-server contract by specifying the methods a server must implement. The interface must be visible to the server so that it can implement the methods; the interface must be visible to the client so that it knows which methods ("services") the server provides.'),a("br"),t._v("\nAny object implementing a remote interface is destined to take the role of a server. As such, a client-server relationship in which the server can also invoke methods in the client is in fact a server-server relationship. This is termed "),a("strong",[t._v("callback")]),t._v(' since the server can call back the "client". With  this in mind, it is acceptable to use the designation '),a("strong",[t._v("client")]),t._v(" for the servers that function as such.")]),t._v(" "),a("p",[t._v("The shared remote interface is any interface extending "),a("a",{attrs:{href:"https://docs.oracle.com/javase/8/docs/api/java/rmi/Remote.html",target:"_blank",rel:"noopener noreferrer"}},[a("code",[t._v("Remote")]),a("OutboundLink")],1),t._v(". An object that functions as a server undergoes the following:")]),t._v(" "),a("ol",[a("li",[t._v("Implements the shared remote interface, either explicitly or implicitly by extending "),a("a",{attrs:{href:"https://docs.oracle.com/javase/8/docs/api/java/rmi/server/UnicastRemoteObject.html",target:"_blank",rel:"noopener noreferrer"}},[a("code",[t._v("UnicastRemoteObject")]),a("OutboundLink")],1),t._v(" which implements "),a("code",[t._v("Remote")]),t._v(".")]),t._v(" "),a("li",[t._v("Exported, either implicitly if it extends "),a("code",[t._v("UnicastRemoteObject")]),t._v(", or explicitly by being passed to "),a("code",[t._v("UnicastRemoteObject#exportObject")]),t._v(".")]),t._v(" "),a("li",[t._v("Binded in a registry, either directly through "),a("a",{attrs:{href:"https://docs.oracle.com/javase/8/docs/api/java/rmi/registry/Registry.html",target:"_blank",rel:"noopener noreferrer"}},[a("code",[t._v("Registry")]),a("OutboundLink")],1),t._v(" or indirectly through "),a("a",{attrs:{href:"https://docs.oracle.com/javase/8/docs/api/java/rmi/Naming.html",target:"_blank",rel:"noopener noreferrer"}},[a("code",[t._v("Naming")]),a("OutboundLink")],1),t._v(". This is only necessary for establishing initial communication since further stubs can be passed directly through RMI.")])]),t._v(" "),a("p",[t._v("In the project setup, the client and server projects are completely unrelated, but each specifies a shared project in its build path. The shared project contains the remote interfaces.")])])}),[],!1,null,null,null);s.default=e.exports}}]);