renderers/faas/src/main/java/org/opendaylight/groupbasedpolicy/renderer/faas/FaasRenderer.java

   1 /*
   2  * Copyright (c) 2015 Huawei Technologies and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.groupbasedpolicy.renderer.faas;
  10
  11 import java.util.concurrent.Executors;
  12 import java.util.concurrent.ScheduledExecutorService;
  13
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.NotificationService;
  16 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 /**
  21  * Renderer that converts GBP services to FAAS logical networks, which then maps
  22  * to the physical networks..
  23  */
  24 public class FaasRenderer implements AutoCloseable {
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(FaasRenderer.class);
  27
  28     private final DataBroker dataBroker;
  29     private final ScheduledExecutorService executor;
  30
  31     private final FaasEndpointManagerListener endpointListner;
  32
  33     public FaasRenderer(final DataBroker dataProvider, RpcProviderRegistry rpcRegistry,
  34             NotificationService notificationService) {
  35         super();
  36         this.dataBroker = dataProvider;
  37
  38         int numCPU = Runtime.getRuntime().availableProcessors();
  39         executor = Executors.newScheduledThreadPool(numCPU * 2);
  40
  41         endpointListner = new FaasEndpointManagerListener(dataProvider);
  42
  43         LOG.info("FAAS Renderer has Started");
  44     }
  45
  46     @Override
  47     public void close() throws Exception {
  48         executor.shutdownNow();
  49         endpointListner.close();
  50     }
  51
  52 }