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 T delegateTx, final BindingToNormalizedNodeCodec codec) {
  27         super(delegateTx, codec);
  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 Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("put",
  41             path, data);
  42         ensureParentsByMerge(store, normalized.getKey(), path);
  43         getDelegate().put(store, normalized.getKey(), normalized.getValue());
  44     }
  45
  46     @Override
  47     public final <D extends DataObject> void merge(final LogicalDatastoreType store, final InstanceIdentifier<D> path,
  48             final D data) {
  49         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("merge", path, data);
  50         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  51     }
  52
  53     @Override
  54     public final <U extends DataObject> void mergeParentStructureMerge(final LogicalDatastoreType store,
  55             final InstanceIdentifier<U> path, final U data) {
  56         final Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> normalized = toNormalized("merge", path, data);
  57         ensureParentsByMerge(store, normalized.getKey(), path);
  58         getDelegate().merge(store, normalized.getKey(), normalized.getValue());
  59     }
  60
  61     @Override
  62     public final void delete(final LogicalDatastoreType store, final InstanceIdentifier<?> path) {
  63         checkArgument(!path.isWildcarded(), "Cannot delete wildcarded path %s", path);
  64
  65         final YangInstanceIdentifier normalized = getCodec().toYangInstanceIdentifierBlocking(path);
  66         getDelegate().delete(store, normalized);
  67     }
  68
  69     @Override
  70     public FluentFuture<? extends CommitInfo> commit() {
  71         return getDelegate().commit();
  72     }
  73
  74     @Override
  75     public final boolean cancel() {
  76         return getDelegate().cancel();
  77     }
  78
  79     /**
  80      * Subclasses of this class are required to implement creation of parent nodes based on behaviour of their
  81      * underlying transaction.
  82      *
  83      * @param store an instance of LogicalDatastoreType
  84      * @param domPath an instance of YangInstanceIdentifier
  85      * @param path an instance of InstanceIdentifier
  86      */
  87     private void ensureParentsByMerge(final LogicalDatastoreType store, final YangInstanceIdentifier domPath,
  88             final InstanceIdentifier<?> path) {
  89         final YangInstanceIdentifier parentPath = domPath.getParent();
  90         if (parentPath != null && !parentPath.isEmpty()) {
  91             final NormalizedNode<?, ?> parentNode = ImmutableNodes.fromInstanceId(
  92                 getCodec().runtimeContext().getSchemaContext(), parentPath);
  93             getDelegate().merge(store, YangInstanceIdentifier.create(parentNode.getIdentifier()), parentNode);
  94         }
  95     }
  96
  97     private <U extends DataObject> Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalized(
  98             final String operation, final InstanceIdentifier<U> path, final U data) {
  99         checkArgument(!path.isWildcarded(), "Cannot %s data into wildcarded path %s", operation, path);
 100         return getCodec().toNormalizedNode(path, data);
 101     }
 102 }