opendaylight/md-sal/sal-netconf-connector/src/main/java/org/opendaylight/controller/sal/connect/netconf/sal/NetconfDeviceDataBroker.java

   1 /*
   2  * Copyright (c) 2014 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
   9 package org.opendaylight.controller.sal.connect.netconf.sal;
  10
  11 import java.util.Collections;
  12 import java.util.Map;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
  15 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
  16 import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
  17 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
  18 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
  20 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
  22 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
  23 import org.opendaylight.controller.sal.connect.netconf.listener.NetconfSessionPreferences;
  24 import org.opendaylight.controller.sal.connect.netconf.sal.tx.ReadOnlyTx;
  25 import org.opendaylight.controller.sal.connect.netconf.sal.tx.ReadWriteTx;
  26 import org.opendaylight.controller.sal.connect.netconf.sal.tx.WriteCandidateRunningTx;
  27 import org.opendaylight.controller.sal.connect.netconf.sal.tx.WriteCandidateTx;
  28 import org.opendaylight.controller.sal.connect.netconf.sal.tx.WriteRunningTx;
  29 import org.opendaylight.controller.sal.connect.netconf.util.NetconfBaseOps;
  30 import org.opendaylight.controller.sal.connect.util.RemoteDeviceId;
  31 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  33 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  34
  35 final class NetconfDeviceDataBroker implements DOMDataBroker {
  36     private final RemoteDeviceId id;
  37     private final NetconfBaseOps netconfOps;
  38     private final long requestTimeoutMillis;
  39
  40     private final boolean rollbackSupport;
  41     private boolean candidateSupported;
  42     private boolean runningWritable;
  43
  44     public NetconfDeviceDataBroker(final RemoteDeviceId id, final SchemaContext schemaContext, final DOMRpcService rpc, final NetconfSessionPreferences netconfSessionPreferences, long requestTimeoutMillis) {
  45         this.id = id;
  46         this.netconfOps = new NetconfBaseOps(rpc, schemaContext);
  47         this.requestTimeoutMillis = requestTimeoutMillis;
  48         // get specific attributes from netconf preferences and get rid of it
  49         // no need to keep the entire preferences object, its quite big with all the capability QNames
  50         candidateSupported = netconfSessionPreferences.isCandidateSupported();
  51         runningWritable = netconfSessionPreferences.isRunningWritable();
  52         rollbackSupport = netconfSessionPreferences.isRollbackSupported();
  53     }
  54
  55     @Override
  56     public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
  57         return new ReadOnlyTx(netconfOps, id);
  58     }
  59
  60     @Override
  61     public DOMDataReadWriteTransaction newReadWriteTransaction() {
  62         return new ReadWriteTx(newReadOnlyTransaction(), newWriteOnlyTransaction());
  63     }
  64
  65     @Override
  66     public DOMDataWriteTransaction newWriteOnlyTransaction() {
  67         if(candidateSupported) {
  68             if(runningWritable) {
  69                 return new WriteCandidateRunningTx(id, netconfOps, rollbackSupport, requestTimeoutMillis);
  70             } else {
  71                 return new WriteCandidateTx(id, netconfOps, rollbackSupport, requestTimeoutMillis);
  72             }
  73         } else {
  74             return new WriteRunningTx(id, netconfOps, rollbackSupport, requestTimeoutMillis);
  75         }
  76     }
  77
  78     @Override
  79     public ListenerRegistration<DOMDataChangeListener> registerDataChangeListener(final LogicalDatastoreType store, final YangInstanceIdentifier path, final DOMDataChangeListener listener, final DataChangeScope triggeringScope) {
  80         throw new UnsupportedOperationException(id + ": Data change listeners not supported for netconf mount point");
  81     }
  82
  83     @Override
  84     public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
  85         throw new UnsupportedOperationException(id + ": Transaction chains not supported for netconf mount point");
  86     }
  87
  88     @Override
  89     public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
  90         return Collections.emptyMap();
  91     }
  92
  93 }