opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/DOMStoreReadTransactionAdapter.java

   1 /*
   2  * Copyright (c) 2018 Pantheon Technologies, s.r.o. 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 package org.opendaylight.controller.sal.core.compat;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.collect.ForwardingObject;
  13 import com.google.common.util.concurrent.CheckedFuture;
  14 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  15 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
  16 import org.opendaylight.mdsal.common.api.MappingCheckedFuture;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  19
  20 public class DOMStoreReadTransactionAdapter<T extends org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction>
  21         extends ForwardingObject implements DOMStoreReadTransaction {
  22     private final T delegate;
  23
  24     public DOMStoreReadTransactionAdapter(final T delegate) {
  25         this.delegate = requireNonNull(delegate);
  26     }
  27
  28     @Override
  29     protected T delegate() {
  30         return delegate;
  31     }
  32
  33     @Override
  34     public Object getIdentifier() {
  35         return delegate.getIdentifier();
  36     }
  37
  38     @Override
  39     public void close() {
  40         delegate.close();
  41     }
  42
  43     @Override
  44     public CheckedFuture<com.google.common.base.Optional<NormalizedNode<?, ?>>, ReadFailedException> read(
  45             final YangInstanceIdentifier path) {
  46         return MappingCheckedFuture.create(delegate.read(path), ReadFailedExceptionAdapter.INSTANCE);
  47     }
  48
  49     @Override
  50     public CheckedFuture<Boolean, ReadFailedException> exists(final YangInstanceIdentifier path) {
  51         return MappingCheckedFuture.create(delegate.exists(path), ReadFailedExceptionAdapter.INSTANCE);
  52     }
  53 }