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