opendaylight/config/config-manager-facade-xml/src/main/java/org/opendaylight/controller/config/facade/xml/CandidateDatastoreQueryStrategy.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 java.util.Set;
  12 import javax.management.ObjectName;
  13 import org.opendaylight.controller.config.facade.xml.transactions.TransactionProvider;
  14 import org.opendaylight.controller.config.util.ConfigRegistryClient;
  15 import org.opendaylight.controller.config.util.ConfigTransactionClient;
  16
  17 public class CandidateDatastoreQueryStrategy implements DatastoreQueryStrategy {
  18
  19     private final TransactionProvider transactionProvider;
  20
  21     public CandidateDatastoreQueryStrategy(TransactionProvider transactionProvider) {
  22         this.transactionProvider = transactionProvider;
  23     }
  24
  25     @Override
  26     public Set<ObjectName> queryInstances(ConfigRegistryClient configRegistryClient) {
  27         ObjectName on = transactionProvider.getOrCreateTransaction();
  28         ConfigTransactionClient proxy = configRegistryClient.getConfigTransactionClient(on);
  29         return proxy.lookupConfigBeans();
  30     }
  31
  32 }