org.lsst.ccs.subsystem.lockmanager

Class LockManager

java.lang.Object

org.lsst.ccs.Agent

org.lsst.ccs.Subsystem

org.lsst.ccs.subsystem.lockmanager.LockManager

All Implemented Interfaces:

org.lsst.ccs.framework.HasLifecycle, org.lsst.ccs.messaging.CommandExecutor, org.lsst.ccs.ServiceLifecycle

public class LockManager
extends org.lsst.ccs.Subsystem
implements org.lsst.ccs.framework.HasLifecycle

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LockManager.AgentLockInfoString Class that allows the serialization of the AgentLockInfo We use the PersistenceService to make sure the locks are stored at any given time.

Nested classes/interfaces inherited from class org.lsst.ccs.Agent

org.lsst.ccs.Agent.RunningCommand

Field Summary

Fields inherited from class org.lsst.ccs.Agent

AGENT_HEARTBEAT_TASK, AGENT_RUNTIMEINFO_TASK, commandExecutorLock, currentAction, currentQueries, currentSignals, jvmShutdown, logBusHandler, stateService, treeComponentInitialized

Constructor Summary

Constructors

Constructor and Description
LockManager()
LockManager(String name)

Method Summary

Modifier and Type	Method and Description
void	init()
org.lsst.ccs.bus.data.AgentLockInfo	lockAgent(org.lsst.ccs.bus.data.AgentLockInfo lock)
void	postInit()
void	postStart()
void	unlockAgent(org.lsst.ccs.bus.data.AgentLockInfo lock)
void	updateLevel(org.lsst.ccs.bus.data.AgentLockInfo lock, int level)

Methods inherited from class org.lsst.ccs.Subsystem

getLogHandler, getNumberCommandThreads, ping, printRunningCommands, setLogFormat, setLogHandlerLevel, setLogLevel, setStackTraceDepth, switchToEngineeringMode, switchToNormalMode

Methods inherited from class org.lsst.ccs.Agent

broadcastStatus, checkAllHardwareStopped, createHelper, executeCommandRequest, getAgentInfo, getAgentPersistenceService, getAgentService, getAgentServices, getCCSVersions, getCommandCount, getComponentConfigurationEnvironment, getComponentConfigurationEnvironmentByName, getComponentLookup, getCurrentAction, getDescription, getDistributionInfo, getEnvironmentLockService, getEnvironmentMessagingAccess, getLogger, getMessagingAccess, getName, getScheduler, getStatusBroadcastPeriod, helper, internalCheckHardware, isConnectedToTheBuses, isInEngineeringMode, populateComponentLookup, preBuild, preInit, printComponentNodeTree, publishSubsystemDataOnStatusBus, sendAck, sendNack, sendStatusMessage, setAgentName, shutdownAgent, startAgent

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lsst.ccs.framework.HasLifecycle

build, postBuild, postShutdown, shutdown, start

Methods inherited from interface org.lsst.ccs.ServiceLifecycle

afterInit, afterStart, preShutdown, preStart

Constructor Detail

LockManager

public LockManager(String name)

LockManager

public LockManager()

Method Detail

init

public void init()

Specified by:

init in interface org.lsst.ccs.framework.HasLifecycle

postInit

public void postInit()

Specified by:

postInit in interface org.lsst.ccs.framework.HasLifecycle

postStart

public void postStart()

Specified by:

postStart in interface org.lsst.ccs.framework.HasLifecycle

lockAgent

@Command(type=QUERY,
         category=SYSTEM,
         description="locks a subsystem",
         level=0)
public org.lsst.ccs.bus.data.AgentLockInfo lockAgent(@Argument(name="lock",description="Lock request")
                                                                                                                                                                org.lsst.ccs.bus.data.AgentLockInfo lock)

unlockAgent

@Command(type=QUERY,
         category=SYSTEM,
         description="unlocks a subsystem",
         level=0)
public void unlockAgent(@Argument(name="lock",description="Unlock request")
                                                                                                                                     org.lsst.ccs.bus.data.AgentLockInfo lock)

updateLevel

@Command(type=QUERY,
         category=SYSTEM,
         description="updates lock level",
         level=0)
public void updateLevel(@Argument(name="lock",description="lock info")
                                                                                                                                    org.lsst.ccs.bus.data.AgentLockInfo lock,
                                                                                                                                    @Argument(name="level",description="new level")
                                                                                                                                    int level)