2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.yangtools.yang.data.impl.schema.transform.base.serializer;
10 import com.google.common.base.Preconditions;
11 import com.google.common.collect.Iterables;
12 import java.util.Collection;
13 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
14 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
15 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
16 import org.opendaylight.yangtools.yang.data.impl.schema.transform.FromNormalizedNodeSerializer;
17 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
20 * Abstract(base) serializer for ListNodes (MapNode, UnkeyedListNode), serializes elements of type E.
23 * type of serialized elements
25 * containing node type
27 * entry node type which is inside containing (N) type
29 public abstract class ListNodeBaseSerializer<E, N extends DataContainerChild<NodeIdentifier, Collection<O>>, O extends DataContainerNode<?>>
30 implements FromNormalizedNodeSerializer<E, N, ListSchemaNode> {
33 public final Iterable<E> serialize(final ListSchemaNode schema, final N node) {
34 return Iterables.concat(Iterables.transform(node.getValue(), input -> {
35 final Iterable<E> serializedChild = getListEntryNodeSerializer().serialize(schema, input);
36 final int size = Iterables.size(serializedChild);
38 Preconditions.checkState(size == 1,
39 "Unexpected count of entries for list serialized from: %s, should be 1, was: %s", input, size);
40 return serializedChild;
46 * @return serializer for inner ListEntryNodes (MapEntryNode, UnkeyedListEntryNode) used to serialize every entry of
47 * ListNode, might be the same instance in case its immutable
49 protected abstract FromNormalizedNodeSerializer<E, O, ListSchemaNode> getListEntryNodeSerializer();