com.yahoo.bullet.pubsub

Enum PubSub.Context

java.lang.Object

java.lang.Enum<PubSub.Context>

com.yahoo.bullet.pubsub.PubSub.Context

All Implemented Interfaces:

Serializable, Comparable<PubSub.Context>

Enclosing class:

PubSub

public static enum PubSub.Context
extends Enum<PubSub.Context>

The context determines how the Publisher and Subscriber returned by PubSub behave. For example, If the Context is QUERY_SUBMISSION:

1. Publishers write to request queue
2. Subscribers read from the response queue

If the Context is QUERY_PROCESSING:

1. Publishers write to response queue
2. Subscribers read from the request queue

Enum Constant Summary

Enum Constants

Enum Constant and Description
QUERY_PROCESSING
QUERY_SUBMISSION

Method Summary

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

QUERY_SUBMISSION

public static final PubSub.Context QUERY_SUBMISSION

QUERY_PROCESSING

public static final PubSub.Context QUERY_PROCESSING

Method Detail

values

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

Returns:

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

valueOf

public static PubSub.Context 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