com.ibm.mqlight.api

Enum QOS

java.lang.Object

java.lang.Enum<QOS>

com.ibm.mqlight.api.QOS

All Implemented Interfaces:

Serializable, Comparable<QOS>

public enum QOS
extends Enum<QOS>

An enumeration that describes the quality of service used to transfer message data between the client and the MQ Light server. For more details about qualities of service - please see https://developer.ibm.com/messaging/mq-light/docs/qos/

Enum Constant Summary

Enum Constants

Enum Constant and Description
AT_LEAST_ONCE Attempt to deliver the message at least once.
AT_MOST_ONCE Attempt to deliver the message at most once.

Method Summary

Methods

Modifier and Type	Method and Description
static QOS	valueOf(String name) Returns the enum constant of this type with the specified name.
static QOS[]	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

AT_MOST_ONCE

public static final QOS AT_MOST_ONCE

Attempt to deliver the message at most once. With this quality of service messages may not be delivered, but they will never be delivered more than once.

AT_LEAST_ONCE

public static final QOS AT_LEAST_ONCE

Attempt to deliver the message at least once. With this quality of service messages may be delivered more than once, but they will never not be delivered.

Method Detail

values

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

Returns:

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

valueOf

public static QOS 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