org.sapia.ubik.rmi.server.invocation
Class CallBackInvokeCommand

java.lang.Object
  org.sapia.ubik.rmi.server.command.Command
      org.sapia.ubik.rmi.server.RMICommand
          org.sapia.ubik.rmi.server.invocation.InvokeCommand
              org.sapia.ubik.rmi.server.invocation.CallBackInvokeCommand

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, Executable

public class CallBackInvokeCommand
extends InvokeCommand
implements java.io.Externalizable

A method invocation command that handles call backs.

Author:

Yanick Duchesne

Copyright:

Copyright © 2002-2003 Sapia Open Source Software. All Rights Reserved.

License:

Read the license.txt file of the jar or visit the license page at the Sapia OSS web site

See Also:

Serialized Form

Field Summary

Fields inherited from class org.sapia.ubik.rmi.server.RMICommand

_config, _vmId

Constructor Summary

CallBackInvokeCommand()
Do not call; used for externalization only.

CallBackInvokeCommand(OID oid, java.lang.String methodName, java.lang.Object[] params, java.lang.Class[] paramClasses, java.lang.String transportType)
Constructor for CallBackInvokeCommand.

Method Summary

java.lang.Object	execute() Executes this command.
void	readExternal(java.io.ObjectInput in)
void	writeExternal(java.io.ObjectOutput out)

Methods inherited from class org.sapia.ubik.rmi.server.invocation.InvokeCommand

convertParams, getMethodName, getOID, getParameterTypes, getParams, setParams, usesMarshalledObjects

Methods inherited from class org.sapia.ubik.rmi.server.RMICommand

getConnection, getServerAddress, getVmId, init

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CallBackInvokeCommand

public CallBackInvokeCommand()

Do not call; used for externalization only.

CallBackInvokeCommand

public CallBackInvokeCommand(OID oid,
                             java.lang.String methodName,
                             java.lang.Object[] params,
                             java.lang.Class[] paramClasses,
                             java.lang.String transportType)

Constructor for CallBackInvokeCommand.

Parameters:

oid - the object identifier of the object on which to perform the invocation.

methodName - the name of the method to call on the target object.

params - the parameters of the method.

paramClasses - the classes of the method's parameters (representing the method's signature).

Method Detail

execute

public java.lang.Object execute()
                         throws java.lang.Throwable

Description copied from class: RMICommand

Executes this command.

Specified by:

execute in interface Executable

Overrides:

execute in class InvokeCommand

Returns:

any value returned by this method.

Throws:

java.lang.Throwable - if an error occurs while executing this command

See Also:

RMICommand.execute()

readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class InvokeCommand

Throws:

java.io.IOException

java.lang.ClassNotFoundException

See Also:

Externalizable.readExternal(ObjectInput)

writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class InvokeCommand

Throws:

java.io.IOException

See Also:

Externalizable.writeExternal(ObjectOutput)