com.streambase.sb.monitor

Class ModuleInfo

java.lang.Object

com.streambase.sb.monitor.ModuleInfo

All Implemented Interfaces:

Cloneable

public class ModuleInfo
extends Object
implements Cloneable

Represents information about a parallel module in a StreamBase Server. Instances of this class should be retrieved from a Snapshot.

See Also:

Snapshot

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ModuleInfo.QueueInfo Information about a Queue between modules or containers.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) boolean	isActive Is active?

Constructor Summary

Constructors

Constructor and Description
ModuleInfo(String name) Constructor

Method Summary

Modifier and Type	Method and Description
(package private) void	clear() Clear (reset) module info
Object	clone()
(package private) void	extractInfo(StatTuple st) extract module info from the StatTuple, setting member data as appropriate
(package private) void	extractInfo(StatTuplev3 st) extract module info from the StatTuple, setting member data as appropriate
protected void	extractQueueInfo(String name, StatTuplev3 st) extract queue info from the StatTuple.
String	getName() Returns the name of the thread.
int	getNumTasks() Return the number of tasks on the task queue
(package private) void	prettyPrint() Pretty-print a module info object to the standard output.
Collection<ModuleInfo.QueueInfo>	queues() Return a Collection of QueueInfo's which contains information about each queue
(package private) void	saveForNextCycle() Save module information

Methods inherited from class java.lang.Object

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

Field Detail

isActive

boolean isActive

Is active?

Constructor Detail

ModuleInfo

ModuleInfo(String name)

Constructor

Parameters:

name - Module name

Method Detail

extractInfo

void extractInfo(StatTuplev3 st)

extract module info from the StatTuple, setting member data as appropriate

Parameters:

st - Statistics tuple

extractQueueInfo

protected void extractQueueInfo(String name,
                                StatTuplev3 st)

extract queue info from the StatTuple. It's used only by Stats v3.

Parameters:

name -

st -

extractInfo

void extractInfo(StatTuple st)

extract module info from the StatTuple, setting member data as appropriate

Parameters:

st - Statistics tuple

queues

public Collection<ModuleInfo.QueueInfo> queues()

Return a Collection of QueueInfo's which contains information about each queue

Returns:

a Collection of QueueInfos

clone

public Object clone()

Overrides:

clone in class Object

saveForNextCycle

void saveForNextCycle()

Save module information

getName

public String getName()

Returns the name of the thread.

Returns:

the name of the thread

getNumTasks

public int getNumTasks()

Return the number of tasks on the task queue

Returns:

number of tasks on the task queue

prettyPrint

void prettyPrint()

Pretty-print a module info object to the standard output.

clear

void clear()

Clear (reset) module info