yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/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.stmt.rfc6020.effective;
   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.YangStmtMapping;
  16 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.meta.IdentifierNamespace;
  18 import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
  19 import org.opendaylight.yangtools.yang.model.api.meta.StatementSource;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefEffectiveStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.TypedefStatement;
  24 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypeBuilder;
  25 import org.opendaylight.yangtools.yang.model.util.type.DerivedTypes;
  26 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  27 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  28 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public final class TypeDefEffectiveStatementImpl extends AbstractEffectiveSchemaNode<TypedefStatement> implements
  33         TypedefEffectiveStatement {
  34     private static final Logger LOG = LoggerFactory.getLogger(TypeDefEffectiveStatementImpl.class);
  35     private final TypeDefinition<?> typeDefinition;
  36     private TypeEffectiveStatement<TypeStatement> typeStatement;
  37
  38     public TypeDefEffectiveStatementImpl(final StmtContext<QName, TypedefStatement, ?> ctx) {
  39         super(ctx);
  40
  41         final TypeEffectiveStatement<?> typeEffectiveStmt = firstSubstatementOfType(TypeEffectiveStatement.class);
  42         final DerivedTypeBuilder<?> builder = DerivedTypes.derivedTypeBuilder(typeEffectiveStmt.getTypeDefinition(),
  43             ctx.getSchemaPath().get());
  44         String defaultValue = null;
  45         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  46             if (stmt instanceof DefaultEffectiveStatementImpl) {
  47                 defaultValue = ((DefaultEffectiveStatementImpl) stmt).argument();
  48                 builder.setDefaultValue(defaultValue);
  49             } else if (stmt instanceof DescriptionEffectiveStatementImpl) {
  50                 builder.setDescription(((DescriptionEffectiveStatementImpl)stmt).argument());
  51             } else if (stmt instanceof ReferenceEffectiveStatementImpl) {
  52                 builder.setReference(((ReferenceEffectiveStatementImpl)stmt).argument());
  53             } else if (stmt instanceof StatusEffectiveStatementImpl) {
  54                 builder.setStatus(((StatusEffectiveStatementImpl)stmt).argument());
  55             } else if (stmt instanceof UnitsEffectiveStatementImpl) {
  56                 builder.setUnits(((UnitsEffectiveStatementImpl)stmt).argument());
  57             } else if (stmt instanceof UnknownEffectiveStatementImpl) {
  58                 // FIXME: should not directly implement, I think
  59                 builder.addUnknownSchemaNode((UnknownEffectiveStatementImpl)stmt);
  60             } else {
  61                 if (!(stmt instanceof TypeEffectiveStatement)) {
  62                     LOG.debug("Ignoring statement {}", stmt);
  63                 }
  64             }
  65         }
  66
  67         try {
  68             SourceException
  69                     .throwIf(TypeUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeEffectiveStmt,
  70                             defaultValue), ctx.getStatementSourceReference(),
  71                             "Typedef '%s' has default value '%s' marked with an if-feature statement.", ctx
  72                                     .getStatementArgument(), defaultValue);
  73         } catch (final IllegalStateException e) {
  74             throw new SourceException(ctx.getStatementSourceReference(), e,
  75                     "Unable to find a default value for typedef '%s'", ctx.getStatementArgument());
  76         }
  77
  78         typeDefinition = builder.build();
  79     }
  80
  81     @Nonnull
  82     @Override
  83     public TypeDefinition<?> getTypeDefinition() {
  84         return typeDefinition;
  85     }
  86
  87     public TypeEffectiveStatement<TypeStatement> asTypeEffectiveStatement() {
  88         TypeEffectiveStatement<TypeStatement> ret = typeStatement;
  89         if (ret == null) {
  90             synchronized (this) {
  91                 ret = typeStatement;
  92                 if (ret == null) {
  93                     ret = new ProxyTypeEffectiveStatement();
  94                     typeStatement = ret;
  95                 }
  96             }
  97         }
  98
  99         return ret;
 100     }
 101
 102     private final class ProxyTypeEffectiveStatement implements TypeEffectiveStatement<TypeStatement> {
 103         @Override
 104         public TypeStatement getDeclared() {
 105             return null;
 106         }
 107
 108         @Override
 109         public <K, V, N extends IdentifierNamespace<K, V>> V get(@Nonnull final Class<N> namespace, @Nonnull final K identifier) {
 110             return TypeDefEffectiveStatementImpl.this.get(namespace, identifier);
 111         }
 112
 113         @Override
 114         public <K, V, N extends IdentifierNamespace<K, V>> Map<K, V> getAll(@Nonnull final Class<N> namespace) {
 115             return TypeDefEffectiveStatementImpl.this.getAll(namespace);
 116         }
 117
 118         @Nonnull
 119         @Override
 120         public Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
 121             return TypeDefEffectiveStatementImpl.this.effectiveSubstatements();
 122         }
 123
 124         @Nonnull
 125         @Override
 126         public StatementDefinition statementDefinition() {
 127             return YangStmtMapping.TYPE;
 128         }
 129
 130         @Override
 131         public String argument() {
 132             return getQName().getLocalName();
 133         }
 134
 135         @Nonnull
 136         @Override
 137         public StatementSource getStatementSource() {
 138             return StatementSource.CONTEXT;
 139         }
 140
 141         @Nonnull
 142         @Override
 143         public TypeDefinition<?> getTypeDefinition() {
 144             return TypeDefEffectiveStatementImpl.this.getTypeDefinition();
 145         }
 146     }
 147 }