org.opendaylight.mdsal.binding.dom.adapter.LazySerializedContainerNode Maven / Gradle / Ivy
/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
package org.opendaylight.mdsal.binding.dom.adapter;
import static java.util.Objects.requireNonNull;
import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.yangtools.binding.DataObject;
import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.yangtools.binding.data.codec.spi.AbstractBindingLazyContainerNode;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
/*
* FIXME: This is a bit of functionality which should really live in binding-dom-codec, but for to happen we need
* to extend BindingNormalizedNodeSerializer with the concept of a routing context -- which would be deprecated,
* as we want to move to actions in the long term.
*
* Even then, BindingNormalizedNodeCodecRegistry provides background updates to the context used in
* deserialization, which is currently being used.
*/
class LazySerializedContainerNode
extends AbstractBindingLazyContainerNode {
private LazySerializedContainerNode(final @NonNull NodeIdentifier identifier, final DataObject binding,
final BindingNormalizedNodeSerializer codec) {
super(identifier, binding, requireNonNull(codec));
}
static ContainerNode create(final @NonNull NodeIdentifier identifier, final DataObject data,
final BindingNormalizedNodeSerializer codec) {
return data == null ? null : new LazySerializedContainerNode(identifier, data, codec);
}
static ContainerNode withContextRef(final @NonNull NodeIdentifier identifier, final DataObject data,
final LeafNode contextRef, final BindingNormalizedNodeSerializer serializer) {
return new WithContextRef(identifier, data, contextRef, serializer);
}
@Override
protected final ContainerNode computeContainerNode(final BindingNormalizedNodeSerializer context) {
return context.toNormalizedNodeRpcData(getDataObject());
}
/**
* Lazy Serialized Node with pre-cached serialized leaf holding routing information.
*/
private static final class WithContextRef extends LazySerializedContainerNode {
private final LeafNode contextRef;
protected WithContextRef(final @NonNull NodeIdentifier identifier, final DataObject binding,
final LeafNode contextRef, final BindingNormalizedNodeSerializer codec) {
super(identifier, binding, codec);
this.contextRef = requireNonNull(contextRef);
}
@Override
public DataContainerChild childByArg(final NodeIdentifier child) {
// Use pre-cached value of routing field and do not run full serialization if we are accessing it.
return contextRef.name().equals(child) ? contextRef : super.childByArg(child);
}
}
}