gerrit.fd Code Review - hc2vpp.git/blob

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.v3po.translate.util;
  18
  19 import com.google.common.base.Optional;
  20 import com.google.common.util.concurrent.CheckedFuture;
  21 import io.fd.honeycomb.v3po.translate.MappingContext;
  22 import javax.annotation.Nonnull;
  23 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  26 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  27 import org.opendaylight.yangtools.yang.binding.DataObject;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29
  30 /**
  31  * Binding Transaction backed mapping context.
  32  */
  33 public class TransactionMappingContext implements MappingContext {
  34
  35     private final ReadWriteTransaction readWriteTransaction;
  36
  37     // TODO make async
  38
  39     public TransactionMappingContext(final ReadWriteTransaction readWriteTransaction) {
  40         this.readWriteTransaction = readWriteTransaction;
  41     }
  42
  43     @Override
  44     public <T extends DataObject> Optional<T> read(@Nonnull final InstanceIdentifier<T> currentId) {
  45         try {
  46             return readWriteTransaction.read(LogicalDatastoreType.OPERATIONAL, currentId).checkedGet();
  47         } catch (ReadFailedException e) {
  48             throw new IllegalStateException("Unable to perform read", e);
  49         }
  50     }
  51
  52     @Override
  53     public void delete(final InstanceIdentifier<?> path) {
  54         readWriteTransaction.delete(LogicalDatastoreType.OPERATIONAL, path);
  55     }
  56
  57     @Override
  58     public <T extends DataObject> void merge(final InstanceIdentifier<T> path, T data) {
  59         readWriteTransaction.merge(LogicalDatastoreType.OPERATIONAL, path, data, true);
  60     }
  61
  62     @Override
  63     public <T extends DataObject> void put(final InstanceIdentifier<T> path, T data) {
  64         readWriteTransaction.put(LogicalDatastoreType.OPERATIONAL, path, data, true);
  65     }
  66
  67     public CheckedFuture<Void, TransactionCommitFailedException> submit() {
  68         return readWriteTransaction.submit();
  69     }
  70
  71     @Override
  72     public void close() {
  73         readWriteTransaction.cancel();
  74     }
  75 }