yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/leaf/LeafEffectiveStatementImpl.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;
   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.opendaylight.yangtools.yang.common.QName;
  15 import org.opendaylight.yangtools.yang.model.api.DerivableSchemaNode;
  16 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
  17 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  18 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  19 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.LeafEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.LeafStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  28 import org.opendaylight.yangtools.yang.model.api.stmt.UnitsEffectiveStatement;
  29 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypeBuilder;
  30 import org.opendaylight.yangtools.yang.model.util.type.ConcreteTypes;
  31 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractEffectiveDataSchemaNode;
  32 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStmtUtils;
  33 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  34 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  35
  36 final class LeafEffectiveStatementImpl extends AbstractEffectiveDataSchemaNode<LeafStatement>
  37         implements LeafEffectiveStatement, LeafSchemaNode, DerivableSchemaNode {
  38     private final ImmutableSet<MustDefinition> mustConstraints;
  39     private final LeafSchemaNode original;
  40     private final TypeDefinition<?> type;
  41     private final String defaultStr;
  42     private final String unitsStr;
  43     private final boolean mandatory;
  44
  45     LeafEffectiveStatementImpl(final StmtContext<QName, LeafStatement, EffectiveStatement<QName, LeafStatement>> ctx) {
  46         super(ctx);
  47         this.original = (LeafSchemaNode) ctx.getOriginalCtx().map(StmtContext::buildEffective).orElse(null);
  48
  49         final TypeEffectiveStatement<?> typeStmt = SourceException.throwIfNull(
  50                 firstSubstatementOfType(TypeEffectiveStatement.class), ctx.getStatementSourceReference(),
  51                 "Leaf is missing a 'type' statement");
  52
  53         String dflt = null;
  54         String units = null;
  55         final ConcreteTypeBuilder<?> builder = ConcreteTypes.concreteTypeBuilder(typeStmt.getTypeDefinition(),
  56             ctx.getSchemaPath().get());
  57         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  58             if (stmt instanceof DefaultEffectiveStatement) {
  59                 dflt = ((DefaultEffectiveStatement)stmt).argument();
  60                 builder.setDefaultValue(stmt.argument());
  61             } else if (stmt instanceof DescriptionEffectiveStatement) {
  62                 builder.setDescription(((DescriptionEffectiveStatement)stmt).argument());
  63             } else if (stmt instanceof ReferenceEffectiveStatement) {
  64                 builder.setReference(((ReferenceEffectiveStatement)stmt).argument());
  65             } else if (stmt instanceof StatusEffectiveStatement) {
  66                 builder.setStatus(((StatusEffectiveStatement)stmt).argument());
  67             } else if (stmt instanceof UnitsEffectiveStatement) {
  68                 units = ((UnitsEffectiveStatement)stmt).argument();
  69                 builder.setUnits(units);
  70             }
  71         }
  72
  73         SourceException.throwIf(
  74             EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeStmt, dflt),
  75             ctx.getStatementSourceReference(),
  76             "Leaf '%s' has default value '%s' marked with an if-feature statement.", ctx.getStatementArgument(), dflt);
  77
  78         defaultStr = dflt;
  79         unitsStr = units;
  80         type = builder.build();
  81         mandatory = findFirstEffectiveSubstatementArgument(MandatoryEffectiveStatement.class).orElse(Boolean.FALSE)
  82                 .booleanValue();
  83         mustConstraints = ImmutableSet.copyOf(allSubstatementsOfType(MustDefinition.class));
  84     }
  85
  86     @Override
  87     public boolean isMandatory() {
  88         return mandatory;
  89     }
  90
  91     @Override
  92     public Optional<LeafSchemaNode> getOriginal() {
  93         return Optional.ofNullable(original);
  94     }
  95
  96     @Override
  97     public TypeDefinition<?> getType() {
  98         return type;
  99     }
 100
 101     @Override
 102     public Collection<MustDefinition> getMustConstraints() {
 103         return mustConstraints;
 104     }
 105
 106     @Override
 107     public int hashCode() {
 108         final int prime = 31;
 109         int result = 1;
 110         result = prime * result + Objects.hashCode(getQName());
 111         result = prime * result + Objects.hashCode(getPath());
 112         return result;
 113     }
 114
 115     @Override
 116     public boolean equals(final Object obj) {
 117         if (this == obj) {
 118             return true;
 119         }
 120         if (!(obj instanceof LeafEffectiveStatementImpl)) {
 121             return false;
 122         }
 123         final LeafEffectiveStatementImpl other = (LeafEffectiveStatementImpl) obj;
 124         return Objects.equals(getQName(), other.getQName()) && Objects.equals(getPath(), other.getPath());
 125     }
 126
 127     @Override
 128     public String toString() {
 129         return LeafEffectiveStatementImpl.class.getSimpleName() + "["
 130                 + "qname=" + getQName()
 131                 + ", path=" + getPath()
 132                 + "]";
 133     }
 134 }