yang/yang-parser-impl/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.spi.meta.StmtContext;
  34 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  35 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
  36 import org.slf4j.Logger;
  37 import org.slf4j.LoggerFactory;
  38
  39 // FIXME: hide this class
  40 public final class TypedefEffectiveStatementImpl extends AbstractEffectiveSchemaNode<TypedefStatement> implements
  41         TypedefEffectiveStatement {
  42     private static final Logger LOG = LoggerFactory.getLogger(TypedefEffectiveStatementImpl.class);
  43
  44     private final TypeDefinition<?> typeDefinition;
  45
  46     private 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 defaultValue = null;
  55         for (final EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
  56             if (stmt instanceof DefaultEffectiveStatement) {
  57                 defaultValue = ((DefaultEffectiveStatement) stmt).argument();
  58                 builder.setDefaultValue(defaultValue);
  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                 TypeUtils.hasDefaultValueMarkedWithIfFeature(ctx.getRootVersion(), typeEffectiveStmt, defaultValue),
  79                 ctx.getStatementSourceReference(),
  80                 "Typedef '%s' has default value '%s' marked with an if-feature statement.", ctx.getStatementArgument(),
  81                 defaultValue);
  82
  83         typeDefinition = builder.build();
  84     }
  85
  86     @Nonnull
  87     @Override
  88     public TypeDefinition<?> getTypeDefinition() {
  89         return typeDefinition;
  90     }
  91
  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                     ret = new ProxyTypeEffectiveStatement();
  99                     typeStatement = ret;
 100                 }
 101             }
 102         }
 103
 104         return ret;
 105     }
 106
 107     private final class ProxyTypeEffectiveStatement implements TypeEffectiveStatement<TypeStatement> {
 108         @Override
 109         public TypeStatement getDeclared() {
 110             return null;
 111         }
 112
 113         @Override
 114         public <K, V, N extends IdentifierNamespace<K, V>> V get(@Nonnull final Class<N> namespace,
 115                 @Nonnull final K identifier) {
 116             return TypedefEffectiveStatementImpl.this.get(namespace, identifier);
 117         }
 118
 119         @Override
 120         public <K, V, N extends IdentifierNamespace<K, V>> Map<K, V> getAll(@Nonnull final Class<N> namespace) {
 121             return TypedefEffectiveStatementImpl.this.getAll(namespace);
 122         }
 123
 124         @Nonnull
 125         @Override
 126         public Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
 127             return TypedefEffectiveStatementImpl.this.effectiveSubstatements();
 128         }
 129
 130         @Nonnull
 131         @Override
 132         public StatementDefinition statementDefinition() {
 133             return YangStmtMapping.TYPE;
 134         }
 135
 136         @Override
 137         public String argument() {
 138             return getQName().getLocalName();
 139         }
 140
 141         @Nonnull
 142         @Override
 143         public StatementSource getStatementSource() {
 144             return StatementSource.CONTEXT;
 145         }
 146
 147         @Nonnull
 148         @Override
 149         public TypeDefinition<?> getTypeDefinition() {
 150             return TypedefEffectiveStatementImpl.this.getTypeDefinition();
 151         }
 152     }
 153 }