pcep/impl/src/main/java/org/opendaylight/protocol/pcep/impl/SingletonPCEPProviderContext.java

   1 /*
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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 package org.opendaylight.protocol.pcep.impl;
   9
  10 import javax.annotation.concurrent.ThreadSafe;
  11
  12 import org.opendaylight.protocol.pcep.spi.EROSubobjectHandlerRegistry;
  13 import org.opendaylight.protocol.pcep.spi.LabelHandlerRegistry;
  14 import org.opendaylight.protocol.pcep.spi.MessageHandlerRegistry;
  15 import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
  16 import org.opendaylight.protocol.pcep.spi.PCEPProviderContext;
  17 import org.opendaylight.protocol.pcep.spi.RROSubobjectHandlerRegistry;
  18 import org.opendaylight.protocol.pcep.spi.TlvHandlerRegistry;
  19 import org.opendaylight.protocol.pcep.spi.XROSubobjectHandlerRegistry;
  20
  21 /**
  22  *
  23  */
  24 @ThreadSafe
  25 public final class SingletonPCEPProviderContext implements PCEPProviderContext {
  26         private static final class Holder {
  27                 private static final PCEPProviderContext INSTANCE;
  28
  29                 static {
  30                         final PCEPProviderContext pc = new SingletonPCEPProviderContext();
  31                         new PCEPImplActivator().start(pc);
  32                         INSTANCE = pc;
  33                 }
  34         }
  35
  36         private final LabelHandlerRegistry labelReg = new SimpleLabelHandlerRegistry();
  37         private final MessageHandlerRegistry msgReg = new SimpleMessageHandlerRegistry();
  38         private final ObjectHandlerRegistry objReg = new SimpleObjectHandlerRegistry();
  39         private final EROSubobjectHandlerRegistry eroSubReg = new SimpleEROSubobjectHandlerFactory();
  40         private final RROSubobjectHandlerRegistry rroSubReg = new SimpleRROSubobjectHandlerFactory();
  41         private final XROSubobjectHandlerRegistry xroSubReg = new SimpleXROSubobjectHandlerFactory();
  42         private final TlvHandlerRegistry tlvReg = new SimpleTlvHandlerRegistry();
  43
  44         private SingletonPCEPProviderContext() {
  45
  46         }
  47
  48         public static PCEPProviderContext getInstance() {
  49                 return Holder.INSTANCE;
  50         }
  51
  52         @Override
  53         public LabelHandlerRegistry getLabelHandlerRegistry() {
  54                 return labelReg;
  55         }
  56
  57         @Override
  58         public MessageHandlerRegistry getMessageHandlerRegistry() {
  59                 return this.msgReg;
  60         }
  61
  62         @Override
  63         public ObjectHandlerRegistry getObjectHandlerRegistry() {
  64                 return this.objReg;
  65         }
  66
  67         @Override
  68         public EROSubobjectHandlerRegistry getEROSubobjectHandlerRegistry() {
  69                 return this.eroSubReg;
  70         }
  71
  72         @Override
  73         public RROSubobjectHandlerRegistry getRROSubobjectHandlerRegistry() {
  74                 return this.rroSubReg;
  75         }
  76
  77         @Override
  78         public XROSubobjectHandlerRegistry getXROSubobjectHandlerRegistry() {
  79                 return this.xroSubReg;
  80         }
  81
  82         @Override
  83         public TlvHandlerRegistry getTlvHandlerRegistry() {
  84                 return this.tlvReg;
  85         }
  86 }