yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/leaf_list/LeafListEffectiveStatementImpl.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.parser.rfc7950.stmt.leaf_list;
   9
  10 import com.google.common.collect.ImmutableSet;
  11 import java.util.Collection;
  12 import java.util.Objects;
  13 import java.util.Optional;
  14 import org.eclipse.jdt.annotation.NonNull;
  15 import org.opendaylight.yangtools.yang.common.QName;
  16 import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode;
  17 import org.opendaylight.yangtools.yang.model.api.ElementCountConstraint;
  18 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
  19 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  20 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  21 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionEffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.OrderedByEffectiveStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
  28 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  29 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  30 import org.opendaylight.yangtools.yang.model.api.stmt.UnitsEffectiveStatement;
  31 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypeBuilder;
  32 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypes;
  33 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractEffectiveDataSchemaNode;
  34 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStmtUtils;
  35 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  36 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  37
  38 final class LeafListEffectiveStatementImpl extends AbstractEffectiveDataSchemaNode<LeafListStatement>
  39         implements LeafListEffectiveStatement, LeafListSchemaNode, DerivableSchemaNode {
  40
  41     private static final String ORDER_BY_USER_KEYWORD = "user";
  42
  43     private final TypeDefinition<?> type;
  44     private final LeafListSchemaNode original;
  45     private final boolean userOrdered;
  46     private final @NonNull ImmutableSet<String> defaultValues;
  47     private final ImmutableSet<MustDefinition> mustConstraints;
  48     private final ElementCountConstraint elementCountConstraint;
  49
  50     LeafListEffectiveStatementImpl(
  51             final StmtContext<QName, LeafListStatement, EffectiveStatement<QName, LeafListStatement>> ctx) {
  52         super(ctx);
  53         this.original = (LeafListSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
  54
  55         final TypeEffectiveStatement<?> typeStmt = SourceException.throwIfNull(
  56             firstSubstatementOfType(TypeEffectiveStatement.class), ctx.getStatementSourceReference(),
  57             "Leaf-list is missing a 'type' statement");
  58
  59         final ConcreteTypeBuilder<?> builder = ConcreteTypes.concreteTypeBuilder(typeStmt.getTypeDefinition(),
  60             ctx.getSchemaPath().get());
  61         final ImmutableSet.Builder<String> defaultValuesBuilder = ImmutableSet.builder();
  62         boolean isUserOrdered = false;
  63         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  64             if (stmt instanceof OrderedByEffectiveStatement) {
  65                 isUserOrdered = ORDER_BY_USER_KEYWORD.equals(stmt.argument());
  66             }
  67
  68             if (stmt instanceof DefaultEffectiveStatement) {
  69                 defaultValuesBuilder.add(((DefaultEffectiveStatement) stmt).argument());
  70             } else if (stmt instanceof DescriptionEffectiveStatement) {
  71                 builder.setDescription(((DescriptionEffectiveStatement)stmt).argument());
  72             } else if (stmt instanceof ReferenceEffectiveStatement) {
  73                 builder.setReference(((ReferenceEffectiveStatement)stmt).argument());
  74             } else if (stmt instanceof StatusEffectiveStatement) {
  75                 builder.setStatus(((StatusEffectiveStatement)stmt).argument());
  76             } else if (stmt instanceof UnitsEffectiveStatement) {
  77                 builder.setUnits(((UnitsEffectiveStatement)stmt).argument());
  78             }
  79         }
  80
  81         // FIXME: We need to interpret the default value in terms of supplied element type
  82         defaultValues = defaultValuesBuilder.build();
  83         SourceException.throwIf(
  84             EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeStmt, defaultValues),
  85             ctx.getStatementSourceReference(),
  86             "Leaf-list '%s' has one of its default values '%s' marked with an if-feature statement.",
  87             ctx.getStatementArgument(), defaultValues);
  88
  89         // FIXME: RFC7950 section 7.7.4: we need to check for min-elements and defaultValues conflict
  90
  91         type = builder.build();
  92         userOrdered = isUserOrdered;
  93         elementCountConstraint = EffectiveStmtUtils.createElementCountConstraint(this).orElse(null);
  94         mustConstraints = ImmutableSet.copyOf(allSubstatementsOfType(MustDefinition.class));
  95     }
  96
  97     @Override
  98     public Collection<String> getDefaults() {
  99         return defaultValues;
 100     }
 101
 102     @Override
 103     public Optional<LeafListSchemaNode> getOriginal() {
 104         return Optional.ofNullable(original);
 105     }
 106
 107     @Override
 108     public TypeDefinition<?> getType() {
 109         return type;
 110     }
 111
 112     @Override
 113     public boolean isUserOrdered() {
 114         return userOrdered;
 115     }
 116
 117     @Override
 118     public Optional<ElementCountConstraint> getElementCountConstraint() {
 119         return Optional.ofNullable(elementCountConstraint);
 120     }
 121
 122     @Override
 123     public Collection<MustDefinition> getMustConstraints() {
 124         return mustConstraints;
 125     }
 126
 127     @Override
 128     public int hashCode() {
 129         final int prime = 31;
 130         int result = 1;
 131         result = prime * result + Objects.hashCode(getQName());
 132         result = prime * result + Objects.hashCode(getPath());
 133         return result;
 134     }
 135
 136     @Override
 137     public boolean equals(final Object obj) {
 138         if (this == obj) {
 139             return true;
 140         }
 141         if (obj == null) {
 142             return false;
 143         }
 144         if (getClass() != obj.getClass()) {
 145             return false;
 146         }
 147         final LeafListEffectiveStatementImpl other = (LeafListEffectiveStatementImpl) obj;
 148         return Objects.equals(getQName(), other.getQName()) && Objects.equals(getPath(), other.getPath());
 149     }
 150
 151     @Override
 152     public String toString() {
 153         return LeafListEffectiveStatementImpl.class.getSimpleName() + "[" + getQName() + "]";
 154     }
 155 }