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/*
* Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.restconf.common.util;
import com.google.common.collect.ImmutableSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.opendaylight.mdsal.dom.api.DOMMountPoint;
import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
import org.opendaylight.yangtools.yang.common.Empty;
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.builder.DataContainerNodeBuilder;
import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
// FIXME: remove this class
public final class OperationsResourceUtils {
private OperationsResourceUtils() {
// Hidden on purpose
}
public static @NonNull Entry<InstanceIdentifierContext, ContainerNode>
contextForModelContext(final @NonNull SchemaContext context, final @Nullable DOMMountPoint mountPoint) {
// Determine which modules we need and construct leaf schemas to correspond to all RPC definitions
final Collection<Module> modules = new ArrayList<>();
final ArrayList<OperationsLeafSchemaNode> rpcLeafSchemas = new ArrayList<>();
for (final Module m : context.getModules()) {
final Collection<? extends RpcDefinition> rpcs = m.getRpcs();
if (!rpcs.isEmpty()) {
modules.add(new OperationsImportedModule(m));
rpcLeafSchemas.ensureCapacity(rpcLeafSchemas.size() + rpcs.size());
for (RpcDefinition rpc : rpcs) {
rpcLeafSchemas.add(new OperationsLeafSchemaNode(rpc));
}
}
}
// Now generate a module for RESTCONF so that operations contain what they need
final OperationsContainerSchemaNode operatationsSchema = new OperationsContainerSchemaNode(rpcLeafSchemas);
modules.add(new OperationsRestconfModule(operatationsSchema));
// Now build the operations container and combine it with the context
final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> operationsBuilder = Builders.containerBuilder()
.withNodeIdentifier(new NodeIdentifier(OperationsContainerSchemaNode.QNAME));
for (final OperationsLeafSchemaNode leaf : rpcLeafSchemas) {
operationsBuilder.withChild(ImmutableNodes.leafNode(leaf.getQName(), Empty.value()));
}
final var opContext = new OperationsEffectiveModuleContext(ImmutableSet.copyOf(modules));
final var stack = SchemaInferenceStack.of(opContext);
stack.enterSchemaTree(operatationsSchema.getQName());
return Map.entry(InstanceIdentifierContext.ofStack(stack, mountPoint), operationsBuilder.build());
}
}
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