org.lsst.ccs.subsystem.ocsbridge

Class CCSExecutor

java.lang.Object

org.lsst.ccs.subsystem.ocsbridge.CCSExecutor

public abstract class CCSExecutor
extends Object

A base class for all CCS command executors. This class is abstract and is extended by specific executors for each supported command.

Author:

tonyj

Constructor Summary

Constructors

Constructor and Description
CCSExecutor()

Method Summary

Modifier and Type	Method and Description
protected abstract void	execute() Actually perform the command
protected abstract Duration	testPreconditions() Check preconditions, and estimate the command duration.

Methods inherited from class java.lang.Object

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

Constructor Detail

CCSExecutor

public CCSExecutor()

Method Detail

testPreconditions

protected abstract Duration testPreconditions()
                                       throws CCSCommand.CCSPreconditionsNotMet

Check preconditions, and estimate the command duration.

Returns:

The estimated duration of the command (can be ZERO)

Throws:

CCSCommand.CCSPreconditionsNotMet - If the preconditions are not met

execute

protected abstract void execute()
                         throws Exception

Actually perform the command

Throws:

Exception - If the command fails.