yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/typedef/TypedefEffectiveStatementImpl.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.typedef;
   9
  10 import java.util.Collection;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import org.eclipse.jdt.annotation.NonNull;
  14 import org.opendaylight.yangtools.yang.common.QName;
  15 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  16 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  17 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
  20 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  21 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  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.ReferenceEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  28 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
  29 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefStatement;
  30 import org.opendaylight.yangtools.yang.model.api.stmt.UnitsEffectiveStatement;
  31 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypeBuilder;
  32 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypes;
  33 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractEffectiveSchemaNode;
  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 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 final class TypedefEffectiveStatementImpl extends AbstractEffectiveSchemaNode<TypedefStatement> implements
  41         TypedefEffectiveStatement {
  42     private static final Logger LOG = LoggerFactory.getLogger(TypedefEffectiveStatementImpl.class);
  43
  44     private final @NonNull TypeDefinition<?> typeDefinition;
  45
  46     private volatile TypeEffectiveStatement<TypeStatement> typeStatement;
  47
  48     TypedefEffectiveStatementImpl(final StmtContext<QName, TypedefStatement, ?> ctx) {
  49         super(ctx);
  50
  51         final TypeEffectiveStatement<?> typeEffectiveStmt = firstSubstatementOfType(TypeEffectiveStatement.class);
  52         final DerivedTypeBuilder<?> builder = DerivedTypes.derivedTypeBuilder(typeEffectiveStmt.getTypeDefinition(),
  53             ctx.getSchemaPath().get());
  54         String dflt = null;
  55         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  56             if (stmt instanceof DefaultEffectiveStatement) {
  57                 dflt = ((DefaultEffectiveStatement) stmt).argument();
  58                 builder.setDefaultValue(dflt);
  59             } else if (stmt instanceof DescriptionEffectiveStatement) {
  60                 builder.setDescription(((DescriptionEffectiveStatement)stmt).argument());
  61             } else if (stmt instanceof ReferenceEffectiveStatement) {
  62                 builder.setReference(((ReferenceEffectiveStatement)stmt).argument());
  63             } else if (stmt instanceof StatusEffectiveStatement) {
  64                 builder.setStatus(((StatusEffectiveStatement)stmt).argument());
  65             } else if (stmt instanceof UnitsEffectiveStatement) {
  66                 builder.setUnits(((UnitsEffectiveStatement)stmt).argument());
  67             } else if (stmt instanceof UnknownSchemaNode) {
  68                 // FIXME: should not directly implement, I think
  69                 builder.addUnknownSchemaNode((UnknownSchemaNode)stmt);
  70             } else {
  71                 if (!(stmt instanceof TypeEffectiveStatement)) {
  72                     LOG.debug("Ignoring statement {}", stmt);
  73                 }
  74             }
  75         }
  76
  77         SourceException.throwIf(
  78             EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeEffectiveStmt, dflt),
  79             ctx.getStatementSourceReference(),
  80             "Typedef '%s' has default value '%s' marked with an if-feature statement.", ctx.getStatementArgument(),
  81             dflt);
  82
  83         typeDefinition = builder.build();
  84     }
  85
  86     @Override
  87     public TypeDefinition<?> getTypeDefinition() {
  88         return typeDefinition;
  89     }
  90
  91     @Override
  92     public TypeEffectiveStatement<TypeStatement> asTypeEffectiveStatement() {
  93         TypeEffectiveStatement<TypeStatement> ret = typeStatement;
  94         if (ret == null) {
  95             synchronized (this) {
  96                 ret = typeStatement;
  97                 if (ret == null) {
  98                     typeStatement = ret = new ProxyTypeEffectiveStatement();
  99                 }
 100             }
 101         }
 102
 103         return ret;
 104     }
 105
 106     private final class ProxyTypeEffectiveStatement implements TypeEffectiveStatement<TypeStatement> {
 107         @Override
 108         public TypeStatement getDeclared() {
 109             return null;
 110         }
 111
 112         @Override
 113         public <K, V, N extends IdentifierNamespace<K, V>> Optional<? extends V> get(final Class<N> namespace,
 114                 final K identifier) {
 115             return TypedefEffectiveStatementImpl.this.get(namespace, identifier);
 116         }
 117
 118         @Override
 119         public <K, V, N extends IdentifierNamespace<K, V>> Map<K, V> getAll(final Class<N> namespace) {
 120             return TypedefEffectiveStatementImpl.this.getAll(namespace);
 121         }
 122
 123         @Override
 124         public Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
 125             return TypedefEffectiveStatementImpl.this.effectiveSubstatements();
 126         }
 127
 128         @Override
 129         public StatementDefinition statementDefinition() {
 130             return YangStmtMapping.TYPE;
 131         }
 132
 133         @Override
 134         public String argument() {
 135             return getQName().getLocalName();
 136         }
 137
 138         @Override
 139         public StatementSource getStatementSource() {
 140             return StatementSource.CONTEXT;
 141         }
 142
 143         @Override
 144         public TypeDefinition<?> getTypeDefinition() {
 145             return TypedefEffectiveStatementImpl.this.getTypeDefinition();
 146         }
 147     }
 148 }