com.bea.jvm
Interface ThreadSnapshot

All Superinterfaces:

Describable

public interface ThreadSnapshot

extends Describable

Interface representing a snapshot of a thread's state at a given time. Note that when this object is created, the thread and state it represents may have died and been garbage collected already.

Author:

Calle Wilund

, Marcus Hirt

Field Summary

static int	THREAD_STATE_ACTIVE Thread state for an active thread.
static int	THREAD_STATE_IO Thread state for a thread waiting for IO.
static int	THREAD_STATE_LOCKED Thread state for a locked thread.
static int	THREAD_STATE_SUSPENDED Thread state for a suspended thread.
static int	THREAD_STATE_WAITING Thread state for a thread waiting.

Method Summary

java.lang.String	getDescription() Returns the snapshot as a String.
int	getID() Returns the id of the thread that the snapshot was created for.
java.lang.String	getName() Returns the name of the thread that this snapshot was created from.
int	getPriority() Returns the priority level of the thread at the time of the snapshot.
java.util.List	getStackTrace() Returns a list of CallTraceElement.
int	getState() Returns the thread state (or as close as we can describe using the THREAD_STATE_ constants).
boolean	isDaemon() Returns true if this thread is a daemon thread.

Field Detail

THREAD_STATE_ACTIVE

public static final int THREAD_STATE_ACTIVE

Thread state for an active thread.

See Also:

Constant Field Values

THREAD_STATE_IO

public static final int THREAD_STATE_IO

Thread state for a thread waiting for IO.

See Also:

Constant Field Values

THREAD_STATE_WAITING

public static final int THREAD_STATE_WAITING

Thread state for a thread waiting.

See Also:

Constant Field Values

THREAD_STATE_LOCKED

public static final int THREAD_STATE_LOCKED

Thread state for a locked thread.

See Also:

Constant Field Values

THREAD_STATE_SUSPENDED

public static final int THREAD_STATE_SUSPENDED

Thread state for a suspended thread.

See Also:

Constant Field Values

Method Detail

getName

public java.lang.String getName()

Returns the name of the thread that this snapshot was created from.

Returns:

the name of the thread.

getDescription

public java.lang.String getDescription()

Returns the snapshot as a String. This equals doing toString() on the snapshot.

Specified by:

getDescription in interface Describable

Returns:

the snapshot as a String.

See Also:

Describable.getDescription()

getState

public int getState()

Returns the thread state (or as close as we can describe using the THREAD_STATE_ constants).

Returns:

the thread state.

See Also:

THREAD_STATE_ACTIVE, THREAD_STATE_IO, THREAD_STATE_WAITING, THREAD_STATE_LOCKED, THREAD_STATE_SUSPENDED

getID

public int getID()

Returns the id of the thread that the snapshot was created for.

Returns:

the id of the thread.

isDaemon

public boolean isDaemon()

Returns true if this thread is a daemon thread.

Returns:

true if this thread is a deamon thread.

getPriority

public int getPriority()

Returns the priority level of the thread at the time of the snapshot.

Returns:

the priority level of the thread at the time of the snapshot.

getStackTrace

public java.util.List getStackTrace()

Returns a list of CallTraceElement.

Returns:

a list of CallTraceElement.

See Also:

CallTraceElement