Bug 4455 - Inconsistent COMMIT operation handling when no transactions are present
[controller.git] / opendaylight / config / config-manager-facade-xml / src / main / java / org / opendaylight / controller / config / facade / xml / Datastore.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
9 package org.opendaylight.controller.config.facade.xml;
10
11 import org.opendaylight.controller.config.facade.xml.transactions.TransactionProvider;
12
13 public enum Datastore {
14
15     running, candidate;
16
17     /**
18      * @param source
19      * @param transactionProvider
20      * @return
21      */
22     public static DatastoreQueryStrategy getInstanceQueryStrategy(Datastore source,
23             TransactionProvider transactionProvider) {
24         switch (source) {
25         case running:
26             return new RunningDatastoreQueryStrategy(transactionProvider);
27         case candidate:
28             return new CandidateDatastoreQueryStrategy(transactionProvider);
29         default:
30             throw new UnsupportedOperationException("Unimplemented datastore query strategy for " + source);
31         }
32     }
33 }