jet.server.api.rmi.cluster
Interface RemoteClusterService

All Superinterfaces:

java.rmi.Remote

public interface RemoteClusterService
extends java.rmi.Remote

A RMI interface which represent a cluster service. It provides active members info and load balancer etc.

Since:

5.2

Method Summary

Member	getAdminMember() Returns the admin member of the cluster.
Member[]	getAllMembers() Returns remote members.
java.lang.String	getClusterName() Returns the cluster name.
RemoteLoadBalancer	getDefaultLoadBalancer() Gets the default load balancer.
Member	getLocalMember() Returns the local member.
Member	getMember() Selects a member by a load balancer.
boolean	isAdminServerCrashed() Judge that if admin server is really crashed.
boolean	isTaskQueueFull(int priority) return whether cluster server task queue is full.
void	registerLocalMember() register local member in cluster's member table.
void	removeLocalMember() remove local member from cluster's member table.
void	setDefaultLoadBalancer(RemoteLoadBalancer lb) Sets default load balancer.

Method Detail

getClusterName

java.lang.String getClusterName()
                                throws java.rmi.RemoteException

Returns the cluster name.

Returns:

the cluster name.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer

Since:

getAllMembers

Member[] getAllMembers()
                       throws java.rmi.RemoteException,
                              ClusterException

Returns remote members.

Returns:

remote members.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer

ClusterException - if a ClusterException occurs.

Since:

getLocalMember

Member getLocalMember()
                      throws java.rmi.RemoteException

Returns the local member.

Returns:

the local member.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

Since:

getAdminMember

Member getAdminMember()
                      throws java.rmi.RemoteException,
                             ClusterException

Returns the admin member of the cluster.

Returns:

the admin member.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

ClusterException - if a ClusterException occurs.

Since:

5.0

getDefaultLoadBalancer

RemoteLoadBalancer getDefaultLoadBalancer()
                                          throws java.rmi.RemoteException

Gets the default load balancer.

Returns:

the default load balancer.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

Since:

setDefaultLoadBalancer

void setDefaultLoadBalancer(RemoteLoadBalancer lb)
                            throws java.rmi.RemoteException

Sets default load balancer.

Parameters:

lb - the default load balancer.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

Since:

getMember

Member getMember()
                 throws java.rmi.RemoteException

Selects a member by a load balancer. Using the default load balancer if the load balancer is null.

Returns:

the member.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

Since:

registerLocalMember

void registerLocalMember()
                         throws java.rmi.RemoteException,
                                ClusterException

register local member in cluster's member table.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

ClusterException - if a ClusterException occurs.

removeLocalMember

void removeLocalMember()
                       throws java.rmi.RemoteException,
                              ClusterException

remove local member from cluster's member table.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

ClusterException - if a ClusterException occurs.

isAdminServerCrashed

boolean isAdminServerCrashed()
                             throws java.rmi.RemoteException

Judge that if admin server is really crashed. Invoke this method when java.rmi.ConnectException or java.rmi.ConnectIOExcetpion was caught.

Returns:

true if admin server is really crashed, otherwise false.

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer.

isTaskQueueFull

boolean isTaskQueueFull(int priority)
                        throws java.rmi.RemoteException,
                               ClusterException

return whether cluster server task queue is full.

Returns:

If cluster task queue is full return true, otherwise return false

Throws:

java.rmi.RemoteException - if a RemoteException occurs in remote RptServer

ClusterException - if a ClusterException occurs.