com.aliyun.odps.storage.models

Enum SessionStatus

java.lang.Object

java.lang.Enum<SessionStatus>

com.aliyun.odps.storage.models.SessionStatus

All Implemented Interfaces:

Serializable, Comparable<SessionStatus>

public enum SessionStatus
extends Enum<SessionStatus>

Enumeration of session statuses for read/write operations.

This enum defines the different states a session can be in during its lifecycle. Sessions are created in INIT state and transition to NORMAL when ready for use.

Enum Constant Summary

Enum Constants

Enum Constant and Description
COMMITTED Session has been committed successfully.
COMMITTING Session is being committed.
CRITICAL Session is in a critical state.
EXPIRED Session has expired.
INIT Session is being initialized.
NORMAL Session is ready for read/write operations.
UNKNOWN Unknown session status.

Method Summary

Modifier and Type	Method and Description
static SessionStatus	fromString(String status) Converts a string to SessionStatus.
String	toString() Converts SessionStatus to string.
static SessionStatus	valueOf(String name) Returns the enum constant of this type with the specified name.
static SessionStatus[]	values() Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

compareTo, equals, getDeclaringClass, hashCode, name, ordinal, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

INIT

public static final SessionStatus INIT

Session is being initialized.

NORMAL

public static final SessionStatus NORMAL

Session is ready for read/write operations.

COMMITTING

public static final SessionStatus COMMITTING

Session is being committed.

COMMITTED

public static final SessionStatus COMMITTED

Session has been committed successfully.

CRITICAL

public static final SessionStatus CRITICAL

Session is in a critical state.

EXPIRED

public static final SessionStatus EXPIRED

Session has expired.

UNKNOWN

public static final SessionStatus UNKNOWN

Unknown session status.

Method Detail

values

public static SessionStatus[] 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 (SessionStatus c : SessionStatus.values())
    System.out.println(c);

Returns:

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

valueOf

public static SessionStatus valueOf(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:

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

NullPointerException - if the argument is null

fromString

public static SessionStatus fromString(String status)

Converts a string to SessionStatus.

Parameters:

status - The string representation of the session status

Returns:

The corresponding SessionStatus enum value

Throws:

ClientException - if the status string is not recognized

toString

public String toString()

Converts SessionStatus to string.

Overrides:

toString in class Enum<SessionStatus>

Returns:

The string representation of the session status