simpledb.remote
Class RemoteConnectionImpl

java.lang.Object
  java.rmi.server.RemoteObject
      java.rmi.server.RemoteServer
          java.rmi.server.UnicastRemoteObject
              simpledb.remote.RemoteConnectionImpl

All Implemented Interfaces:

java.io.Serializable, java.rmi.Remote, RemoteConnection

 class RemoteConnectionImpl
extends java.rmi.server.UnicastRemoteObject
implements RemoteConnection

The RMI server-side implementation of RemoteConnection.

Author:

Edward Sciore

Field Summary

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

RemoteConnectionImpl()
Creates a remote connection and begins a new transaction for it.

Method Summary

void	close() Closes the connection.
(package private) void	commit() Commits the current transaction, and begins a new one.
RemoteStatement	createStatement() Creates a new RemoteStatement for this connection.
(package private) Transaction	getTransaction() Returns the transaction currently associated with this connection.
(package private) void	rollback() Rolls back the current transaction, and begins a new one.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RemoteConnectionImpl

RemoteConnectionImpl()
               throws java.rmi.RemoteException

Creates a remote connection and begins a new transaction for it.

Throws:

java.rmi.RemoteException

Method Detail

createStatement

public RemoteStatement createStatement()
                                throws java.rmi.RemoteException

Creates a new RemoteStatement for this connection.

Specified by:

createStatement in interface RemoteConnection

Throws:

java.rmi.RemoteException

See Also:

RemoteConnection.createStatement()

close

public void close()
           throws java.rmi.RemoteException

Closes the connection. The current transaction is committed.

Specified by:

close in interface RemoteConnection

Throws:

java.rmi.RemoteException

See Also:

RemoteConnection.close()

getTransaction

Transaction getTransaction()

Returns the transaction currently associated with this connection.

Returns:

the transaction associated with this connection

commit

void commit()

Commits the current transaction, and begins a new one.

rollback

void rollback()

Rolls back the current transaction, and begins a new one.