yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/YangVersionStatementImpl.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;
   9
  10 import javax.annotation.Nonnull;
  11 import org.opendaylight.yangtools.yang.common.YangVersion;
  12 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.YangVersionStatement;
  15 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
  16 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  17 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  20 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  21 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.YangVersionEffectiveStatementImpl;
  22
  23 public class YangVersionStatementImpl extends AbstractDeclaredStatement<YangVersion> implements YangVersionStatement {
  24     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  25             .YANG_VERSION)
  26             .build();
  27
  28     protected YangVersionStatementImpl(final StmtContext<YangVersion, YangVersionStatement, ?> context) {
  29         super(context);
  30     }
  31
  32     public static class Definition extends AbstractStatementSupport<YangVersion, YangVersionStatement,
  33             EffectiveStatement<YangVersion, YangVersionStatement>> {
  34
  35         public Definition() {
  36             super(YangStmtMapping.YANG_VERSION);
  37         }
  38
  39         @Override
  40         public YangVersion parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  41             return SourceException.unwrap(YangVersion.parse(value), ctx.getStatementSourceReference(),
  42                 "Unsupported YANG version %s", value);
  43         }
  44
  45         @Override
  46         public YangVersionStatement createDeclared(final StmtContext<YangVersion, YangVersionStatement, ?> ctx) {
  47             return new YangVersionStatementImpl(ctx);
  48         }
  49
  50         @Override
  51         public void onPreLinkageDeclared(final Mutable<YangVersion, YangVersionStatement,
  52                 EffectiveStatement<YangVersion, YangVersionStatement>> stmt) {
  53             stmt.setRootVersion(stmt.getStatementArgument());
  54         }
  55
  56         @Override
  57         public EffectiveStatement<YangVersion, YangVersionStatement> createEffective(final StmtContext<YangVersion,
  58                 YangVersionStatement, EffectiveStatement<YangVersion, YangVersionStatement>> ctx) {
  59             return new YangVersionEffectiveStatementImpl(ctx);
  60         }
  61
  62         @Override
  63         protected SubstatementValidator getSubstatementValidator() {
  64             return SUBSTATEMENT_VALIDATOR;
  65         }
  66     }
  67
  68     @Nonnull
  69     @Override
  70     public YangVersion getValue() {
  71         return argument();
  72     }
  73 }