net.sf.farrago.fennel
Interface FennelCmdExecutor

All Known Implementing Classes:

FennelCmdExecutorImpl

public interface FennelCmdExecutor

FennelCmdExecutor defines a mechanism for extending and modifying the command set understood by Fennel. FennelCmdExecutorImpl provides a default implementation. Extensions can be created by writing a JNI DLL which links with Farrago's JNI DLL and provides an alternative for FennelStorage.executeJavaCmd(net.sf.farrago.fem.fennel.FemCmd, long).

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/fennel/FennelCmdExecutor.java#12 $

Author:

John V. Sichi

Method Summary

long	executeJavaCmd(FemCmd cmd, FennelExecutionHandle execHandle) Executes one FemCmd with an optional execution handle.

Method Detail

executeJavaCmd

long executeJavaCmd(FemCmd cmd,
                    FennelExecutionHandle execHandle)
                    throws SQLException

Executes one FemCmd with an optional execution handle.

Parameters:

cmd - the command to be executed

execHandle - the execution handle used to communicate state information from Farrago to Fennel; set to null if there is no handle

Returns:

result handle as primitive

Throws:

SQLException