yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/schema/tree/CaseEnforcer.java

   1 /*
   2  * Copyright (c) 2015 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 com.google.common.base.Preconditions;
  11 import com.google.common.collect.ImmutableMap;
  12 import com.google.common.collect.ImmutableMap.Builder;
  13 import com.google.common.collect.Sets;
  14
  15 import java.util.Map;
  16 import java.util.Map.Entry;
  17 import java.util.Set;
  18
  19 import org.opendaylight.yangtools.concepts.Immutable;
  20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
  21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
  22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTreeConfiguration;
  25 import org.opendaylight.yangtools.yang.data.api.schema.tree.TreeType;
  26 import org.opendaylight.yangtools.yang.data.impl.schema.SchemaUtils;
  27 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
  28 import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
  29 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
  30
  31 final class CaseEnforcer implements Immutable {
  32     private final Map<NodeIdentifier, DataSchemaNode> children;
  33     private final Map<AugmentationIdentifier, AugmentationSchema> augmentations;
  34     private final MandatoryLeafEnforcer enforcer;
  35
  36     private CaseEnforcer(final Map<NodeIdentifier, DataSchemaNode> children,
  37                          final Map<AugmentationIdentifier, AugmentationSchema> augmentations,
  38                          final MandatoryLeafEnforcer enforcer) {
  39         this.children = Preconditions.checkNotNull(children);
  40         this.augmentations = Preconditions.checkNotNull(augmentations);
  41         this.enforcer = Preconditions.checkNotNull(enforcer);
  42     }
  43
  44     static CaseEnforcer forTree(final ChoiceCaseNode schema, final DataTreeConfiguration treeConfig) {
  45         final TreeType type = treeConfig.getTreeType();
  46         final Builder<NodeIdentifier, DataSchemaNode> childrenBuilder = ImmutableMap.builder();
  47         final Builder<AugmentationIdentifier, AugmentationSchema> augmentationsBuilder = ImmutableMap.builder();
  48         if (SchemaAwareApplyOperation.belongsToTree(type, schema)) {
  49             for (final DataSchemaNode child : schema.getChildNodes()) {
  50                 if (SchemaAwareApplyOperation.belongsToTree(type, child)) {
  51                     childrenBuilder.put(NodeIdentifier.create(child.getQName()), child);
  52                 }
  53             }
  54             for (final AugmentationSchema augment : schema.getAvailableAugmentations()) {
  55                 if (augment.getChildNodes().stream()
  56                         .anyMatch(child -> SchemaAwareApplyOperation.belongsToTree(type, child))) {
  57                     augmentationsBuilder.put(SchemaUtils.getNodeIdentifierForAugmentation(augment), augment);
  58                 }
  59             }
  60         }
  61
  62         final Map<NodeIdentifier, DataSchemaNode> children = childrenBuilder.build();
  63         final Map<AugmentationIdentifier, AugmentationSchema> augmentations = augmentationsBuilder.build();
  64         return children.isEmpty() ? null
  65                 : new CaseEnforcer(children, augmentations, MandatoryLeafEnforcer.forContainer(schema, treeConfig));
  66     }
  67
  68     Set<Entry<NodeIdentifier, DataSchemaNode>> getChildEntries() {
  69         return children.entrySet();
  70     }
  71
  72     Set<NodeIdentifier> getChildIdentifiers() {
  73         return children.keySet();
  74     }
  75
  76     Set<Entry<AugmentationIdentifier, AugmentationSchema>> getAugmentationEntries() {
  77         return augmentations.entrySet();
  78     }
  79
  80     Set<AugmentationIdentifier> getAugmentationIdentifiers() {
  81         return augmentations.keySet();
  82     }
  83
  84     Set<PathArgument> getAllChildIdentifiers() {
  85         return Sets.union(children.keySet(), augmentations.keySet());
  86     }
  87
  88     void enforceOnTreeNode(final NormalizedNode<?, ?> normalizedNode) {
  89         enforcer.enforceOnData(normalizedNode);
  90     }
  91 }