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