yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/UniqueStatementImpl.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;
  10
  11 import java.util.Collection;
  12 import javax.annotation.Nonnull;
  13 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  14 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Relative;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.UniqueStatement;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  22 import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
  23 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.UniqueEffectiveStatementImpl;
  24
  25 public class UniqueStatementImpl extends AbstractDeclaredStatement<Collection<SchemaNodeIdentifier.Relative>>
  26         implements UniqueStatement {
  27     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(YangStmtMapping
  28             .UNIQUE)
  29             .build();
  30
  31     protected UniqueStatementImpl(final StmtContext<Collection<SchemaNodeIdentifier.Relative>, UniqueStatement, ?> context) {
  32         super(context);
  33     }
  34
  35     public static class Definition
  36             extends
  37             AbstractStatementSupport<Collection<SchemaNodeIdentifier.Relative>, UniqueStatement,
  38                     EffectiveStatement<Collection<SchemaNodeIdentifier.Relative>, UniqueStatement>> {
  39
  40         public Definition() {
  41             super(YangStmtMapping.UNIQUE);
  42         }
  43
  44         @Override
  45         public Collection<SchemaNodeIdentifier.Relative> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  46             final Collection<Relative> uniqueConstraints = Utils.parseUniqueConstraintArgument(ctx, value);
  47             SourceException.throwIf(uniqueConstraints.isEmpty(), ctx.getStatementSourceReference(),
  48                     "Invalid argument value '%s' of unique statement. The value must contains at least "
  49                             + "one descendant schema node identifier.", value);
  50             return uniqueConstraints;
  51         }
  52
  53         @Override
  54         public UniqueStatement createDeclared(final StmtContext<Collection<Relative>, UniqueStatement, ?> ctx) {
  55             return new UniqueStatementImpl(ctx);
  56         }
  57
  58         @Override
  59         public EffectiveStatement<Collection<Relative>, UniqueStatement> createEffective
  60                 (final StmtContext<Collection<Relative>, UniqueStatement, EffectiveStatement<Collection<Relative>,
  61                         UniqueStatement>> ctx) {
  62             return new UniqueEffectiveStatementImpl(ctx);
  63         }
  64
  65         @Override
  66         protected SubstatementValidator getSubstatementValidator() {
  67             return SUBSTATEMENT_VALIDATOR;
  68         }
  69     }
  70
  71     @Nonnull
  72     @Override
  73     public Collection<Relative> getTag() {
  74         return argument();
  75     }
  76 }