netvirt/src/main/java/org/opendaylight/unimgr/mef/netvirt/MdsalUtils.java

   1 /*
   2  * Copyright (c) 2016 Hewlett Packard Enterprise, Co. 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.unimgr.mef.netvirt;
  10
  11 import java.util.concurrent.ExecutionException;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  18 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  19 import org.opendaylight.yangtools.yang.binding.DataObject;
  20 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  21 import org.slf4j.Logger;
  22 import org.slf4j.LoggerFactory;
  23
  24 import com.google.common.base.Optional;
  25 import com.google.common.util.concurrent.CheckedFuture;
  26
  27 public class MdsalUtils {
  28
  29     private static final Logger logger = LoggerFactory.getLogger(MdsalUtils.class);
  30
  31     public static <T extends DataObject> void syncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
  32             InstanceIdentifier<T> path, T data) {
  33         CheckedFuture<Void, TransactionCommitFailedException> futures = write(broker, datastoreType, path, data);
  34         try {
  35             futures.get();
  36         } catch (InterruptedException | ExecutionException e) {
  37             logger.error("Error writing to datastore (path, data) : ({}, {})", path, data);
  38             throw new RuntimeException(e.getMessage());
  39         }
  40     }
  41
  42     public static <T extends DataObject> void syncUpdate(DataBroker broker, LogicalDatastoreType datastoreType,
  43             InstanceIdentifier<T> path, T data) {
  44         CheckedFuture<Void, TransactionCommitFailedException> futures = update(broker, datastoreType, path, data);
  45         try {
  46             futures.get();
  47         } catch (InterruptedException | ExecutionException e) {
  48             logger.error("Error writing to datastore (path, data) : ({}, {})", path, data);
  49             throw new RuntimeException(e.getMessage());
  50         }
  51     }
  52
  53     public static <T extends DataObject> void syncDelete(DataBroker broker, LogicalDatastoreType datastoreType,
  54             InstanceIdentifier<T> obj) {
  55         CheckedFuture<Void, TransactionCommitFailedException> futures = delete(broker, datastoreType, obj);
  56         try {
  57             futures.get();
  58         } catch (InterruptedException | ExecutionException e) {
  59             logger.error("Error deleting from datastore (path) : ({})", obj);
  60             throw new RuntimeException(e.getMessage());
  61         }
  62     }
  63
  64     public static <T extends DataObject> CheckedFuture<Void, TransactionCommitFailedException> write(DataBroker broker,
  65             LogicalDatastoreType datastoreType, InstanceIdentifier<T> path, T data) {
  66         WriteTransaction tx = broker.newWriteOnlyTransaction();
  67         tx.put(datastoreType, path, data, true);
  68         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
  69         return futures;
  70     }
  71
  72     public static <T extends DataObject> CheckedFuture<Void, TransactionCommitFailedException> update(DataBroker broker,
  73             LogicalDatastoreType datastoreType, InstanceIdentifier<T> path, T data) {
  74         WriteTransaction tx = broker.newWriteOnlyTransaction();
  75         tx.merge(datastoreType, path, data, true);
  76         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
  77         return futures;
  78     }
  79
  80     public static <T extends DataObject> CheckedFuture<Void, TransactionCommitFailedException> delete(DataBroker broker,
  81             LogicalDatastoreType datastoreType, InstanceIdentifier<T> obj) {
  82         WriteTransaction tx = broker.newWriteOnlyTransaction();
  83         tx.delete(datastoreType, obj);
  84         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
  85         return futures;
  86     }
  87
  88     public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
  89             InstanceIdentifier<T> path) {
  90         ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
  91         Optional<T> result = Optional.absent();
  92         try {
  93             CheckedFuture<Optional<T>, ReadFailedException> checkedFuture = tx.read(datastoreType, path);
  94             result = checkedFuture.get();
  95         } catch (Exception e) {
  96             throw new RuntimeException(e);
  97         }
  98
  99         return result;
 100     }
 101 }