com.yahoo.search.query

Class UniqueRequestId

java.lang.Object

com.yahoo.search.query.UniqueRequestId

public class UniqueRequestId
extends Object

A query id which is unique across this cluster - consisting of container runtime id + timestamp + serial.

Author:

bratseth

Field Summary

Fields

Modifier and Type	Field and Description
private String	id
private static AtomicLong	sequenceCounter
private static String	serverId

Constructor Summary

Constructors

Modifier	Constructor and Description
private	UniqueRequestId(String serverId, long timestamp, long sequence)

Method Summary

Modifier and Type	Method and Description
static UniqueRequestId	next() Creates a session id which is unique across the cluster this runtime is a member of each time this is called.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

serverId

private static final String serverId

sequenceCounter

private static final AtomicLong sequenceCounter

id

private final String id

Constructor Detail

UniqueRequestId

private UniqueRequestId(String serverId,
                        long timestamp,
                        long sequence)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

next

public static UniqueRequestId next()

Creates a session id which is unique across the cluster this runtime is a member of each time this is called. Calling this causes synchronization.