Make DecimalTypeDefinition.getFractionDigits() return int
[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / effective / type / DecimalTypeEffectiveStatementImpl.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
9 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.type;
10
11 import javax.annotation.Nonnull;
12 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
13 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
14 import org.opendaylight.yangtools.yang.model.api.stmt.TypeStatement;
15 import org.opendaylight.yangtools.yang.model.api.type.DecimalTypeDefinition;
16 import org.opendaylight.yangtools.yang.model.util.type.RangeRestrictedTypeBuilder;
17 import org.opendaylight.yangtools.yang.model.util.type.RestrictedTypes;
18 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
19 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
20 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.TypeUtils;
21 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.DeclaredEffectiveStatementBase;
22 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.FractionDigitsEffectiveStatementImpl;
23 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.UnknownEffectiveStatementImpl;
24
25 public final class DecimalTypeEffectiveStatementImpl extends DeclaredEffectiveStatementBase<String, TypeStatement>
26         implements TypeEffectiveStatement<TypeStatement> {
27     private final DecimalTypeDefinition typeDefinition;
28
29     public DecimalTypeEffectiveStatementImpl(
30             final StmtContext<String, TypeStatement, EffectiveStatement<String, TypeStatement>> ctx,
31             final DecimalTypeDefinition baseType) {
32         super(ctx);
33
34         final RangeRestrictedTypeBuilder<DecimalTypeDefinition> builder =
35                 RestrictedTypes.newDecima64Builder(baseType, TypeUtils.typeEffectiveSchemaPath(ctx));
36
37         for (EffectiveStatement<?, ?> stmt : effectiveSubstatements()) {
38             if (stmt instanceof RangeEffectiveStatementImpl) {
39                 final RangeEffectiveStatementImpl range = (RangeEffectiveStatementImpl) stmt;
40                 builder.setRangeConstraint(range, range.argument());
41             }
42             if (stmt instanceof UnknownEffectiveStatementImpl) {
43                 builder.addUnknownSchemaNode((UnknownEffectiveStatementImpl)stmt);
44             }
45             if (stmt instanceof FractionDigitsEffectiveStatementImpl) {
46                 final Integer digits = ((FractionDigitsEffectiveStatementImpl)stmt).argument();
47                 SourceException.throwIf(baseType.getFractionDigits() != digits, ctx.getStatementSourceReference(),
48                     "Cannot override fraction-digits from base type %s to %s", baseType, digits);
49             }
50         }
51
52         typeDefinition = builder.build();
53     }
54
55     @Nonnull
56     @Override
57     public DecimalTypeDefinition getTypeDefinition() {
58         return typeDefinition;
59     }
60 }