binding/mdsal-binding-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/dom/adapter/BindingDOMWriteTransactionAdapter.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. 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.dom.adapter;
   9
  10 import static com.google.common.base.Preconditions.checkArgument;
  11
  12 import com.google.common.util.concurrent.FluentFuture;
  13 import java.util.Map.Entry;
  14 import org.opendaylight.mdsal.binding.api.WriteTransaction;
  15 import org.opendaylight.mdsal.common.api.CommitInfo;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
  18 import org.opendaylight.yangtools.yang.binding.DataObject;
  19 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  21 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  22
  23 class BindingDOMWriteTransactionAdapter<T extends DOMDataTreeWriteTransaction> extends AbstractForwardedTransaction<T>
  24         implements WriteTransaction {
  25     BindingDOMWriteTransactionAdapter(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
  26         super(delegateTx, codec);
  27     }
  28
  29     @Override
  30     public final <U extends DataObject> void put(final LogicalDatastoreType store, final InstanceIdentifier<U> path,
  31             final U data) {
  32         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("put", path, data);
  33         getDelegate().put(store, normalized.getKey(), normalized.getValue());
  34     }
  35
  36     @Override
  37     public final <U extends DataObject> void mergeParentStructurePut(final LogicalDatastoreType store,
  38             final InstanceIdentifier<U> path, final U data) {
  39         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("put",
  40             path, data);
  41         ensureParentsByMerge(store, normalized.getKey(), path);
  42         getDelegate().put(store, normalized.getKey(), normalized.getValue());
  43     }
  44
  45     @Override
  46     public final <D extends DataObject> void merge(final LogicalDatastoreType store, final InstanceIdentifier<D> path,
  47             final D data) {
  48         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("merge", path, data);
  49         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  50     }
  51
  52     @Override
  53     public final <U extends DataObject> void mergeParentStructureMerge(final LogicalDatastoreType store,
  54             final InstanceIdentifier<U> path, final U data) {
  55         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("merge", path, data);
  56         ensureParentsByMerge(store, normalized.getKey(), path);
  57         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  58     }
  59
  60     @Override
  61     public final void delete(final LogicalDatastoreType store, final InstanceIdentifier<?> path) {
  62         checkArgument(!path.isWildcarded(), "Cannot delete wildcarded path %s", path);
  63
  64         final YangInstanceIdentifier normalized = getCodec().toYangInstanceIdentifierBlocking(path);
  65         getDelegate().delete(store, normalized);
  66     }
  67
  68     @Override
  69     public FluentFuture<? extends CommitInfo> commit() {
  70         return getDelegate().commit();
  71     }
  72
  73     @Override
  74     public final boolean cancel() {
  75         return getDelegate().cancel();
  76     }
  77
  78     /**
  79      * Subclasses of this class are required to implement creation of parent nodes based on behaviour of their
  80      * underlying transaction.
  81      *
  82      * @param store an instance of LogicalDatastoreType
  83      * @param domPath an instance of YangInstanceIdentifier
  84      * @param path an instance of InstanceIdentifier
  85      */
  86     private void ensureParentsByMerge(final LogicalDatastoreType store, final YangInstanceIdentifier domPath,
  87             final InstanceIdentifier<?> path) {
  88         final YangInstanceIdentifier parentPath = domPath.getParent();
  89         if (parentPath != null) {
  90             final NormalizedNode<?, ?> parentNode = getCodec().instanceIdentifierToNode(parentPath);
  91             getDelegate().merge(store, YangInstanceIdentifier.create(parentNode.getIdentifier()), parentNode);
  92         }
  93     }
  94
  95     private <U extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalized(
  96             final String operation, final InstanceIdentifier<U> path, final U data) {
  97         checkArgument(!path.isWildcarded(), "Cannot %s data into wildcarded path %s", operation, path);
  98         return getCodec().toNormalizedNode(path, data);
  99     }
 100 }