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 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
  23
  24 class BindingDOMWriteTransactionAdapter<T extends DOMDataTreeWriteTransaction> extends AbstractForwardedTransaction<T>
  25         implements WriteTransaction {
  26     BindingDOMWriteTransactionAdapter(final AdapterContext adapterContext, final T delegateTx) {
  27         super(adapterContext, delegateTx);
  28     }
  29
  30     @Override
  31     public final <U extends DataObject> void put(final LogicalDatastoreType store, final InstanceIdentifier<U> path,
  32             final U data) {
  33         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("put", path, data);
  34         getDelegate().put(store, normalized.getKey(), normalized.getValue());
  35     }
  36
  37     @Override
  38     public final <U extends DataObject> void mergeParentStructurePut(final LogicalDatastoreType store,
  39             final InstanceIdentifier<U> path, final U data) {
  40         final CurrentAdapterSerializer serializer = adapterContext().currentSerializer();
  41         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized(serializer, "put", path,
  42             data);
  43         ensureParentsByMerge(serializer, store, normalized.getKey(), path);
  44         getDelegate().put(store, normalized.getKey(), normalized.getValue());
  45     }
  46
  47     @Override
  48     public final <D extends DataObject> void merge(final LogicalDatastoreType store, final InstanceIdentifier<D> path,
  49             final D data) {
  50         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("merge", path, data);
  51         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  52     }
  53
  54     @Override
  55     public final <U extends DataObject> void mergeParentStructureMerge(final LogicalDatastoreType store,
  56             final InstanceIdentifier<U> path, final U data) {
  57         final CurrentAdapterSerializer serializer = adapterContext().currentSerializer();
  58         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized(serializer, "merge", path,
  59             data);
  60         ensureParentsByMerge(serializer, store, normalized.getKey(), path);
  61         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  62     }
  63
  64     @Override
  65     public final void delete(final LogicalDatastoreType store, final InstanceIdentifier<?> path) {
  66         checkArgument(!path.isWildcarded(), "Cannot delete wildcarded path %s", path);
  67         getDelegate().delete(store, adapterContext().currentSerializer().toYangInstanceIdentifier(path));
  68     }
  69
  70     @Override
  71     public FluentFuture<? extends CommitInfo> commit() {
  72         return getDelegate().commit();
  73     }
  74
  75     @Override
  76     public final boolean cancel() {
  77         return getDelegate().cancel();
  78     }
  79
  80     /**
  81      * Subclasses of this class are required to implement creation of parent nodes based on behaviour of their
  82      * underlying transaction.
  83      *
  84      * @param store an instance of LogicalDatastoreType
  85      * @param domPath an instance of YangInstanceIdentifier
  86      * @param path an instance of InstanceIdentifier
  87      */
  88     private void ensureParentsByMerge(final CurrentAdapterSerializer serializer, final LogicalDatastoreType store,
  89             final YangInstanceIdentifier domPath, final InstanceIdentifier<?> path) {
  90         final YangInstanceIdentifier parentPath = domPath.getParent();
  91         if (parentPath != null && !parentPath.isEmpty()) {
  92             final NormalizedNode<?, ?> parentNode = ImmutableNodes.fromInstanceId(
  93                 serializer.getRuntimeContext().getSchemaContext(), parentPath);
  94             getDelegate().merge(store, YangInstanceIdentifier.create(parentNode.getIdentifier()), parentNode);
  95         }
  96     }
  97
  98     private <U extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalized(
  99             final String operation, final InstanceIdentifier<U> path, final U data) {
 100         return toNormalized(adapterContext().currentSerializer(), operation, path, data);
 101     }
 102
 103     private static <U extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalized(
 104             final CurrentAdapterSerializer serializer, final String operation, final InstanceIdentifier<U> path,
 105             final U data) {
 106         checkArgument(!path.isWildcarded(), "Cannot %s data into wildcarded path %s", operation, path);
 107         return serializer.toNormalizedNode(path, data);
 108     }
 109 }