Remove netconf from commons/opendaylight pom
[controller.git] / opendaylight / netconf / config-netconf-connector / src / main / java / org / opendaylight / controller / netconf / confignetconfconnector / operations / UnLock.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.netconf.confignetconfconnector.operations;
10
11 import com.google.common.base.Optional;
12 import org.opendaylight.controller.config.facade.xml.Datastore;
13 import org.opendaylight.controller.config.util.xml.DocumentedException;
14 import org.opendaylight.controller.config.util.xml.XmlElement;
15 import org.opendaylight.controller.config.util.xml.XmlUtil;
16 import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
17 import org.opendaylight.controller.netconf.util.mapping.AbstractLastNetconfOperation;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
20 import org.w3c.dom.Document;
21 import org.w3c.dom.Element;
22
23 /**
24  * Simple unlock implementation that pretends to unlock candidate datastore.
25  * Candidate datastore is allocated per session and is private so no real locking is needed (JMX is the only possible interference)
26  */
27 public class UnLock extends AbstractLastNetconfOperation {
28
29     private static final Logger LOG = LoggerFactory.getLogger(UnLock.class);
30
31     private static final String UNLOCK = "unlock";
32
33     public UnLock(final String netconfSessionIdForReporting) {
34         super(netconfSessionIdForReporting);
35     }
36
37     @Override
38     protected Element handleWithNoSubsequentOperations(final Document document, final XmlElement operationElement) throws DocumentedException {
39         final Datastore targetDatastore = Lock.extractTargetParameter(operationElement);
40         if(targetDatastore == Datastore.candidate) {
41             // Since candidate datastore instances are allocated per session and not accessible anywhere else, no need to lock
42             LOG.debug("Unlocking {} datastore on session: {}", targetDatastore, getNetconfSessionIdForReporting());
43             // TODO this should fail if we are not locked
44             return XmlUtil.createElement(document, XmlNetconfConstants.OK, Optional.<String>absent());
45         }
46
47         // Not supported running lock
48         throw new DocumentedException("Unable to unlock " + Datastore.running + " datastore", DocumentedException.ErrorType.application,
49                 DocumentedException.ErrorTag.operation_not_supported, DocumentedException.ErrorSeverity.error);
50     }
51
52     @Override
53     protected String getOperationName() {
54         return UNLOCK;
55     }
56 }