org.gcube.vremanagement.resourcemanager.impl.brokerage
Class ServiceBroker

java.lang.Object
  org.gcube.vremanagement.resourcemanager.impl.brokerage.ServiceBroker

All Implemented Interfaces:

Broker

public final class ServiceBroker
extends Object
implements Broker

Broker that exploits the gCube Resource Broker service

Author:

Manuele Simi (ISTI-CNR)

Field Summary

protected org.gcube.common.core.utils.logging.GCUBELog

logger

Constructor Summary

ServiceBroker()

Method Summary

void	initialize(ScopeState scopeState) Initializes the Broker instance
void	makePlan(Session session, Set<ScopedDeployedSoftware> services, String[] suggestedGHNs) Creates a deployment plan for the given services
void	sendFeedback(Session session) Sends feedback to the broker about the execution of the plan for the given session

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final org.gcube.common.core.utils.logging.GCUBELog logger

Constructor Detail

ServiceBroker

public ServiceBroker()

Method Detail

initialize

public void initialize(ScopeState scopeState)
                throws Exception

Initializes the Broker instance

Specified by:

initialize in interface Broker

Parameters:

scopeState - the state where the broker will act

Throws:

Exception - if the initialization fails (depends on the broker's nature)

makePlan

public void makePlan(Session session,
                     Set<ScopedDeployedSoftware> services,
                     String[] suggestedGHNs)
              throws Exception

Description copied from interface: Broker

Creates a deployment plan for the given services

Specified by:

makePlan in interface Broker

Parameters:

session - the current active session on the state

services - the services to deploy

suggestedGHNs - the (eventually) GHNs suggested for the deployment, if specified, only these nodes will be used by the planner

Throws:

Exception - if the preparation of the plan fails

sendFeedback

public void sendFeedback(Session session)
                  throws Exception

Sends feedback to the broker about the execution of the plan for the given session

Specified by:

sendFeedback in interface Broker

Parameters:

session - the current active session on the state

Throws:

Exception - if the broker is not able to manage the feedback