binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/impl/data/tree/BindingDOMDataTreeProducerAdapter.java

   1 /*
   2  * Copyright (c) 2017 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.mdsal.binding.javav2.dom.adapter.impl.data.tree;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import java.util.Collection;
  14 import javax.annotation.Nonnull;
  15 import org.opendaylight.mdsal.binding.javav2.api.CursorAwareWriteTransaction;
  16 import org.opendaylight.mdsal.binding.javav2.api.DataTreeIdentifier;
  17 import org.opendaylight.mdsal.binding.javav2.api.DataTreeProducer;
  18 import org.opendaylight.mdsal.binding.javav2.api.DataTreeProducerException;
  19 import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.BindingToNormalizedNodeCodec;
  20 import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
  21 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  22 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducer;
  23 import org.opendaylight.mdsal.dom.api.DOMDataTreeProducerException;
  24
  25 /**
  26  * Producer adapter.
  27  */
  28 @Beta
  29 public final class BindingDOMDataTreeProducerAdapter implements DataTreeProducer {
  30
  31     private final DOMDataTreeProducer delegate;
  32     private final BindingToNormalizedNodeCodec codec;
  33
  34     private BindingDOMDataTreeProducerAdapter(final DOMDataTreeProducer delegate,
  35             final BindingToNormalizedNodeCodec codec) {
  36         this.delegate = requireNonNull(delegate);
  37         this.codec = codec;
  38     }
  39
  40     /**
  41      * Create instance of producer data tree.
  42      *
  43      * @param domProducer
  44      *            - DOM producer
  45      * @param codec
  46      *            - codec for serialize/deserialize
  47      * @return instance of producer
  48      */
  49     public static DataTreeProducer create(final DOMDataTreeProducer domProducer,
  50             final BindingToNormalizedNodeCodec codec) {
  51         return new BindingDOMDataTreeProducerAdapter(domProducer, codec);
  52     }
  53
  54     @Nonnull
  55     @Override
  56     public CursorAwareWriteTransaction createTransaction(final boolean isolated) {
  57         final DOMDataTreeCursorAwareTransaction domTx = delegate.createTransaction(isolated);
  58         return new BindingDOMCursorAwareWriteTransactionAdapter<>(domTx, codec);
  59     }
  60
  61     @Nonnull
  62     @Override
  63     public DataTreeProducer createProducer(@Nonnull final Collection<DataTreeIdentifier<?>> subtrees) {
  64         final Collection<DOMDataTreeIdentifier> domSubtrees = codec.toDOMDataTreeIdentifiers(subtrees);
  65         final DOMDataTreeProducer domChildProducer = delegate.createProducer(domSubtrees);
  66         return BindingDOMDataTreeProducerAdapter.create(domChildProducer, codec);
  67     }
  68
  69     @Override
  70     public void close() throws DataTreeProducerException {
  71         try {
  72             delegate.close();
  73         } catch (final DOMDataTreeProducerException e) {
  74             throw new DataTreeProducerException(e.getMessage(), e);
  75         }
  76     }
  77 }
  78