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