Propagate @NonNull collection annotations
[yangtools.git] / yang / yang-data-impl / src / main / java / org / opendaylight / yangtools / yang / data / impl / schema / tree / MapEntryModificationStrategy.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.yangtools.yang.data.impl.schema.tree;
9
10 import static java.util.Objects.requireNonNull;
11
12 import java.util.Optional;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
15 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
16 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
17 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
18 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.TreeNode;
19 import org.opendaylight.yangtools.yang.data.api.schema.tree.spi.Version;
20 import org.opendaylight.yangtools.yang.data.impl.schema.builder.impl.ImmutableMapEntryNodeBuilder;
21 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
22
23 class MapEntryModificationStrategy extends DataNodeContainerModificationStrategy<ListSchemaNode> {
24     private static final class EnforcingMandatory extends MapEntryModificationStrategy {
25         private final MandatoryLeafEnforcer enforcer;
26
27         EnforcingMandatory(final ListSchemaNode schemaNode, final DataTreeConfiguration treeConfig,
28                 final MandatoryLeafEnforcer enforcer) {
29             super(schemaNode, treeConfig);
30             this.enforcer = requireNonNull(enforcer);
31         }
32
33         @Override
34         void mandatoryVerifyValueChildren(final NormalizedNode<?, ?> writtenValue) {
35             enforcer.enforceOnData(writtenValue);
36         }
37
38         @Override
39         protected TreeNode applyMerge(final ModifiedNode modification, final TreeNode currentMeta,
40                 final Version version) {
41             final TreeNode ret = super.applyMerge(modification, currentMeta, version);
42             enforcer.enforceOnTreeNode(ret);
43             return ret;
44         }
45
46         @Override
47         protected TreeNode applyWrite(final ModifiedNode modification, final NormalizedNode<?, ?> newValue,
48                 final Optional<? extends TreeNode> currentMeta, final Version version) {
49             final TreeNode ret = super.applyWrite(modification, newValue, currentMeta, version);
50             enforcer.enforceOnTreeNode(ret);
51             return ret;
52         }
53
54         @Override
55         protected TreeNode applyTouch(final ModifiedNode modification, final TreeNode currentMeta,
56                 final Version version) {
57             final TreeNode ret = super.applyTouch(modification, currentMeta, version);
58             enforcer.enforceOnTreeNode(ret);
59             return ret;
60         }
61     }
62
63     private static final NormalizedNodeContainerSupport<NodeIdentifierWithPredicates, MapEntryNode> SUPPORT =
64             new NormalizedNodeContainerSupport<>(MapEntryNode.class, ImmutableMapEntryNodeBuilder::create,
65                     ImmutableMapEntryNodeBuilder::create);
66
67     MapEntryModificationStrategy(final ListSchemaNode schema, final DataTreeConfiguration treeConfig) {
68         super(SUPPORT, schema, treeConfig);
69     }
70
71     static @NonNull MapEntryModificationStrategy of(final ListSchemaNode schema,
72             final DataTreeConfiguration treeConfig) {
73         final Optional<MandatoryLeafEnforcer> enforcer = MandatoryLeafEnforcer.forContainer(schema, treeConfig);
74         return enforcer.isPresent() ? new EnforcingMandatory(schema, treeConfig, enforcer.get())
75                 : new MapEntryModificationStrategy(schema, treeConfig);
76     }
77 }