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 javax.annotation.Nonnull;
  13 import org.opendaylight.yangtools.yang.common.QName;
  14 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  15 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  16 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
  19 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  20 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
  28 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefStatement;
  29 import org.opendaylight.yangtools.yang.model.api.stmt.UnitsEffectiveStatement;
  30 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypeBuilder;
  31 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypes;
  32 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractEffectiveSchemaNode;
  33 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStmtUtils;
  34 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  35 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 final class TypedefEffectiveStatementImpl extends AbstractEffectiveSchemaNode<TypedefStatement> implements
  40         TypedefEffectiveStatement {
  41     private static final Logger LOG = LoggerFactory.getLogger(TypedefEffectiveStatementImpl.class);
  42
  43     private final TypeDefinition<?> typeDefinition;
  44
  45     private volatile TypeEffectiveStatement<TypeStatement> typeStatement;
  46
  47     TypedefEffectiveStatementImpl(final StmtContext<QName, TypedefStatement, ?> ctx) {
  48         super(ctx);
  49
  50         final TypeEffectiveStatement<?> typeEffectiveStmt = firstSubstatementOfType(TypeEffectiveStatement.class);
  51         final DerivedTypeBuilder<?> builder = DerivedTypes.derivedTypeBuilder(typeEffectiveStmt.getTypeDefinition(),
  52             ctx.getSchemaPath().get());
  53         String dflt = null;
  54         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  55             if (stmt instanceof DefaultEffectiveStatement) {
  56                 dflt = ((DefaultEffectiveStatement) stmt).argument();
  57                 builder.setDefaultValue(dflt);
  58             } else if (stmt instanceof DescriptionEffectiveStatement) {
  59                 builder.setDescription(((DescriptionEffectiveStatement)stmt).argument());
  60             } else if (stmt instanceof ReferenceEffectiveStatement) {
  61                 builder.setReference(((ReferenceEffectiveStatement)stmt).argument());
  62             } else if (stmt instanceof StatusEffectiveStatement) {
  63                 builder.setStatus(((StatusEffectiveStatement)stmt).argument());
  64             } else if (stmt instanceof UnitsEffectiveStatement) {
  65                 builder.setUnits(((UnitsEffectiveStatement)stmt).argument());
  66             } else if (stmt instanceof UnknownSchemaNode) {
  67                 // FIXME: should not directly implement, I think
  68                 builder.addUnknownSchemaNode((UnknownSchemaNode)stmt);
  69             } else {
  70                 if (!(stmt instanceof TypeEffectiveStatement)) {
  71                     LOG.debug("Ignoring statement {}", stmt);
  72                 }
  73             }
  74         }
  75
  76         SourceException.throwIf(
  77             EffectiveStmtUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeEffectiveStmt, dflt),
  78             ctx.getStatementSourceReference(),
  79             "Typedef '%s' has default value '%s' marked with an if-feature statement.", ctx.getStatementArgument(),
  80             dflt);
  81
  82         typeDefinition = builder.build();
  83     }
  84
  85     @Nonnull
  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>> V get(@Nonnull final Class<N> namespace,
 114                 @Nonnull 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(@Nonnull final Class<N> namespace) {
 120             return TypedefEffectiveStatementImpl.this.getAll(namespace);
 121         }
 122
 123         @Nonnull
 124         @Override
 125         public Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
 126             return TypedefEffectiveStatementImpl.this.effectiveSubstatements();
 127         }
 128
 129         @Nonnull
 130         @Override
 131         public StatementDefinition statementDefinition() {
 132             return YangStmtMapping.TYPE;
 133         }
 134
 135         @Override
 136         public String argument() {
 137             return getQName().getLocalName();
 138         }
 139
 140         @Nonnull
 141         @Override
 142         public StatementSource getStatementSource() {
 143             return StatementSource.CONTEXT;
 144         }
 145
 146         @Nonnull
 147         @Override
 148         public TypeDefinition<?> getTypeDefinition() {
 149             return TypedefEffectiveStatementImpl.this.getTypeDefinition();
 150         }
 151     }
 152 }