binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/impl/data/tree/BindingDOMCursorAwareWriteTransactionAdapter.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 java.util.function.BiConsumer;
  12 import javax.annotation.Nonnull;
  13 import javax.annotation.Nullable;
  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.DataTreeWriteCursor;
  17 import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.BindingToNormalizedNodeCodec;
  18 import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
  19 import org.opendaylight.mdsal.common.api.TransactionCommitFailedException;
  20 import org.opendaylight.mdsal.dom.api.DOMDataTreeCursorAwareTransaction;
  21 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
  22 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteCursor;
  23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  24
  25 /**
  26  * Allowing cursor to provides write operations(delete, merge, write).
  27  *
  28  * @param <T>
  29  *            - {@link DOMDataTreeCursorAwareTransaction} type
  30  */
  31 @Beta
  32 public class BindingDOMCursorAwareWriteTransactionAdapter<T extends DOMDataTreeCursorAwareTransaction>
  33         implements CursorAwareWriteTransaction {
  34
  35     private final T delegate;
  36     private final BindingToNormalizedNodeCodec codec;
  37
  38     public BindingDOMCursorAwareWriteTransactionAdapter(final T delegate, final BindingToNormalizedNodeCodec codec) {
  39         this.delegate = delegate;
  40         this.codec = codec;
  41     }
  42
  43     @Nullable
  44     @Override
  45     public <P extends TreeNode> DataTreeWriteCursor createCursor(@Nonnull final DataTreeIdentifier<P> path) {
  46         final YangInstanceIdentifier yPath = codec.toNormalized(path.getRootIdentifier());
  47         final DOMDataTreeWriteCursor cursor =
  48                 delegate.createCursor(new DOMDataTreeIdentifier(path.getDatastoreType(), yPath));
  49         return new BindingDOMDataTreeWriteCursorAdapter<>(path, cursor, codec);
  50     }
  51
  52     @Override
  53     public boolean cancel() {
  54         return delegate.cancel();
  55     }
  56
  57     @Override
  58     public <V extends TreeNode> void submit(final BiConsumer<TransactionCommitFailedException, V> callback) {
  59         delegate.submit();
  60     }
  61 }
  62