org.apache.mesos

Enum Protos.TaskState

java.lang.Object

java.lang.Enum<Protos.TaskState>

org.apache.mesos.Protos.TaskState

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Protos.TaskState>

Enclosing class:

Protos

public static enum Protos.TaskState
extends java.lang.Enum<Protos.TaskState>

 Describes possible task states. IMPORTANT: Mesos assumes tasks that
 enter terminal states (see below) imply the task is no longer
 running and thus clean up any thing associated with the task
 (ultimately offering any resources being consumed by that task to
 another task).
 

Protobuf enum mesos.TaskState

Enum Constant Summary

Enum Constants

Enum Constant and Description
TASK_DROPPED The task failed to launch because of a transient error.
TASK_ERROR TERMINAL: The task description contains an error.
TASK_FAILED TERMINAL: The task failed to finish successfully.
TASK_FINISHED The task finished successfully on its own without external interference.
TASK_GONE The task is no longer running.
TASK_GONE_BY_OPERATOR The task was running on an agent that the master cannot contact; the operator has asserted that the agent has been shutdown, but this has not been directly confirmed by the master.
TASK_KILLED TERMINAL: The task was killed by the executor.
TASK_KILLING NOTE: This should only be sent when the framework has the TASK_KILLING_STATE capability.
TASK_LOST In Mesos 1.3, this will only be sent when the framework does NOT opt-in to the PARTITION_AWARE capability.
TASK_RUNNING TASK_RUNNING = 1;
TASK_STAGING Initial state.
TASK_STARTING The task is being launched by the executor.
TASK_UNKNOWN The master has no knowledge of the task.
TASK_UNREACHABLE The task was running on an agent that has lost contact with the master, typically due to a network failure or partition.

Field Summary

Fields

Modifier and Type	Field and Description
static int	TASK_DROPPED_VALUE The task failed to launch because of a transient error.
static int	TASK_ERROR_VALUE TERMINAL: The task description contains an error.
static int	TASK_FAILED_VALUE TERMINAL: The task failed to finish successfully.
static int	TASK_FINISHED_VALUE The task finished successfully on its own without external interference.
static int	TASK_GONE_BY_OPERATOR_VALUE The task was running on an agent that the master cannot contact; the operator has asserted that the agent has been shutdown, but this has not been directly confirmed by the master.
static int	TASK_GONE_VALUE The task is no longer running.
static int	TASK_KILLED_VALUE TERMINAL: The task was killed by the executor.
static int	TASK_KILLING_VALUE NOTE: This should only be sent when the framework has the TASK_KILLING_STATE capability.
static int	TASK_LOST_VALUE In Mesos 1.3, this will only be sent when the framework does NOT opt-in to the PARTITION_AWARE capability.
static int	TASK_RUNNING_VALUE TASK_RUNNING = 1;
static int	TASK_STAGING_VALUE Initial state.
static int	TASK_STARTING_VALUE The task is being launched by the executor.
static int	TASK_UNKNOWN_VALUE The master has no knowledge of the task.
static int	TASK_UNREACHABLE_VALUE The task was running on an agent that has lost contact with the master, typically due to a network failure or partition.

Method Summary

Modifier and Type	Method and Description
static Protos.TaskState	forNumber(int value)
static com.google.protobuf.Descriptors.EnumDescriptor	getDescriptor()
com.google.protobuf.Descriptors.EnumDescriptor	getDescriptorForType()
int	getNumber()
com.google.protobuf.Descriptors.EnumValueDescriptor	getValueDescriptor()
static <any>	internalGetValueMap()
static Protos.TaskState	valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc)
static Protos.TaskState	valueOf(int value) Deprecated. Use forNumber(int) instead.
static Protos.TaskState	valueOf(java.lang.String name) Returns the enum constant of this type with the specified name.
static Protos.TaskState[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

TASK_STAGING

public static final Protos.TaskState TASK_STAGING

 Initial state. Framework status updates should not use.
 

TASK_STAGING = 6;

TASK_STARTING

public static final Protos.TaskState TASK_STARTING

 The task is being launched by the executor.
 

TASK_STARTING = 0;

TASK_RUNNING

public static final Protos.TaskState TASK_RUNNING

TASK_RUNNING = 1;

TASK_KILLING

public static final Protos.TaskState TASK_KILLING

 NOTE: This should only be sent when the framework has
 the TASK_KILLING_STATE capability.
 

TASK_KILLING = 8;

TASK_FINISHED

public static final Protos.TaskState TASK_FINISHED

 The task finished successfully on its own without external interference.
 

TASK_FINISHED = 2;

TASK_FAILED

public static final Protos.TaskState TASK_FAILED

 TERMINAL: The task failed to finish successfully.
 

TASK_FAILED = 3;

TASK_KILLED

public static final Protos.TaskState TASK_KILLED

 TERMINAL: The task was killed by the executor.
 

TASK_KILLED = 4;

TASK_ERROR

public static final Protos.TaskState TASK_ERROR

 TERMINAL: The task description contains an error.
 

TASK_ERROR = 7;

TASK_LOST

public static final Protos.TaskState TASK_LOST

 In Mesos 1.3, this will only be sent when the framework does NOT
 opt-in to the PARTITION_AWARE capability.
 NOTE: This state is not always terminal. For example, tasks might
 transition from TASK_LOST to TASK_RUNNING or other states when a
 partitioned agent reregisters.
 

TASK_LOST = 5;

TASK_DROPPED

public static final Protos.TaskState TASK_DROPPED

 The task failed to launch because of a transient error. The
 task's executor never started running. Unlike TASK_ERROR, the
 task description is valid -- attempting to launch the task again
 may be successful.
 

TASK_DROPPED = 9;

TASK_UNREACHABLE

public static final Protos.TaskState TASK_UNREACHABLE

 The task was running on an agent that has lost contact with the
 master, typically due to a network failure or partition. The task
 may or may not still be running.
 

TASK_UNREACHABLE = 10;

TASK_GONE

public static final Protos.TaskState TASK_GONE

 The task is no longer running. This can occur if the agent has
 been terminated along with all of its tasks (e.g., the host that
 was running the agent was rebooted). It might also occur if the
 task was terminated due to an agent or containerizer error, or if
 the task was preempted by the QoS controller in an
 oversubscription scenario.
 

TASK_GONE = 11;

TASK_GONE_BY_OPERATOR

public static final Protos.TaskState TASK_GONE_BY_OPERATOR

 The task was running on an agent that the master cannot contact;
 the operator has asserted that the agent has been shutdown, but
 this has not been directly confirmed by the master. If the
 operator is correct, the task is not running and this is a
 terminal state; if the operator is mistaken, the task may still
 be running and might return to RUNNING in the future.
 

TASK_GONE_BY_OPERATOR = 12;

TASK_UNKNOWN

public static final Protos.TaskState TASK_UNKNOWN

 The master has no knowledge of the task. This is typically
 because either (a) the master never had knowledge of the task, or
 (b) the master forgot about the task because it garbage collected
 its metadata about the task. The task may or may not still be
 running.
 

TASK_UNKNOWN = 13;

Field Detail

TASK_STAGING_VALUE

public static final int TASK_STAGING_VALUE

 Initial state. Framework status updates should not use.
 

TASK_STAGING = 6;

See Also:

Constant Field Values

TASK_STARTING_VALUE

public static final int TASK_STARTING_VALUE

 The task is being launched by the executor.
 

TASK_STARTING = 0;

See Also:

Constant Field Values

TASK_RUNNING_VALUE

public static final int TASK_RUNNING_VALUE

TASK_RUNNING = 1;

See Also:

Constant Field Values

TASK_KILLING_VALUE

public static final int TASK_KILLING_VALUE

 NOTE: This should only be sent when the framework has
 the TASK_KILLING_STATE capability.
 

TASK_KILLING = 8;

See Also:

Constant Field Values

TASK_FINISHED_VALUE

public static final int TASK_FINISHED_VALUE

 The task finished successfully on its own without external interference.
 

TASK_FINISHED = 2;

See Also:

Constant Field Values

TASK_FAILED_VALUE

public static final int TASK_FAILED_VALUE

 TERMINAL: The task failed to finish successfully.
 

TASK_FAILED = 3;

See Also:

Constant Field Values

TASK_KILLED_VALUE

public static final int TASK_KILLED_VALUE

 TERMINAL: The task was killed by the executor.
 

TASK_KILLED = 4;

See Also:

Constant Field Values

TASK_ERROR_VALUE

public static final int TASK_ERROR_VALUE

 TERMINAL: The task description contains an error.
 

TASK_ERROR = 7;

See Also:

Constant Field Values

TASK_LOST_VALUE

public static final int TASK_LOST_VALUE

 In Mesos 1.3, this will only be sent when the framework does NOT
 opt-in to the PARTITION_AWARE capability.
 NOTE: This state is not always terminal. For example, tasks might
 transition from TASK_LOST to TASK_RUNNING or other states when a
 partitioned agent reregisters.
 

TASK_LOST = 5;

See Also:

Constant Field Values

TASK_DROPPED_VALUE

public static final int TASK_DROPPED_VALUE

 The task failed to launch because of a transient error. The
 task's executor never started running. Unlike TASK_ERROR, the
 task description is valid -- attempting to launch the task again
 may be successful.
 

TASK_DROPPED = 9;

See Also:

Constant Field Values

TASK_UNREACHABLE_VALUE

public static final int TASK_UNREACHABLE_VALUE

 The task was running on an agent that has lost contact with the
 master, typically due to a network failure or partition. The task
 may or may not still be running.
 

TASK_UNREACHABLE = 10;

See Also:

Constant Field Values

TASK_GONE_VALUE

public static final int TASK_GONE_VALUE

 The task is no longer running. This can occur if the agent has
 been terminated along with all of its tasks (e.g., the host that
 was running the agent was rebooted). It might also occur if the
 task was terminated due to an agent or containerizer error, or if
 the task was preempted by the QoS controller in an
 oversubscription scenario.
 

TASK_GONE = 11;

See Also:

Constant Field Values

TASK_GONE_BY_OPERATOR_VALUE

public static final int TASK_GONE_BY_OPERATOR_VALUE

 The task was running on an agent that the master cannot contact;
 the operator has asserted that the agent has been shutdown, but
 this has not been directly confirmed by the master. If the
 operator is correct, the task is not running and this is a
 terminal state; if the operator is mistaken, the task may still
 be running and might return to RUNNING in the future.
 

TASK_GONE_BY_OPERATOR = 12;

See Also:

Constant Field Values

TASK_UNKNOWN_VALUE

public static final int TASK_UNKNOWN_VALUE

 The master has no knowledge of the task. This is typically
 because either (a) the master never had knowledge of the task, or
 (b) the master forgot about the task because it garbage collected
 its metadata about the task. The task may or may not still be
 running.
 

TASK_UNKNOWN = 13;

See Also:

Constant Field Values

Method Detail

values

public static Protos.TaskState[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (Protos.TaskState c : Protos.TaskState.values())
    System.out.println(c);

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Protos.TaskState valueOf(java.lang.String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

java.lang.IllegalArgumentException - if this enum type has no constant with the specified name

java.lang.NullPointerException - if the argument is null

getNumber

public final int getNumber()

valueOf

@Deprecated
public static Protos.TaskState valueOf(int value)

Deprecated. Use forNumber(int) instead.

forNumber

public static Protos.TaskState forNumber(int value)

internalGetValueMap

public static <any> internalGetValueMap()

getValueDescriptor

public final com.google.protobuf.Descriptors.EnumValueDescriptor getValueDescriptor()

getDescriptorForType

public final com.google.protobuf.Descriptors.EnumDescriptor getDescriptorForType()

getDescriptor

public static final com.google.protobuf.Descriptors.EnumDescriptor getDescriptor()

valueOf

public static Protos.TaskState valueOf(com.google.protobuf.Descriptors.EnumValueDescriptor desc)