yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/prefix/PrefixStatementSupport.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies, s.r.o. 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.prefix;
   9
  10 import com.google.common.collect.ImmutableList;
  11 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  12 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
  13 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
  16 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStringStatementSupport;
  17 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  19
  20 public final class PrefixStatementSupport
  21         extends BaseStringStatementSupport<PrefixStatement, PrefixEffectiveStatement> {
  22     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
  23             SubstatementValidator.builder(YangStmtMapping.PREFIX).build();
  24     private static final PrefixStatementSupport INSTANCE = new PrefixStatementSupport();
  25
  26     private PrefixStatementSupport() {
  27         super(YangStmtMapping.PREFIX);
  28     }
  29
  30     public static PrefixStatementSupport getInstance() {
  31         return INSTANCE;
  32     }
  33
  34     @Override
  35     protected SubstatementValidator getSubstatementValidator() {
  36         return SUBSTATEMENT_VALIDATOR;
  37     }
  38
  39     @Override
  40     protected PrefixStatement createDeclared(final StmtContext<String, PrefixStatement, ?> ctx,
  41             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  42         return new RegularPrefixStatement(ctx.coerceRawStatementArgument(), substatements);
  43     }
  44
  45     @Override
  46     protected PrefixStatement createEmptyDeclared(final StmtContext<String, PrefixStatement, ?> ctx) {
  47         return new EmptyPrefixStatement(ctx.coerceRawStatementArgument());
  48     }
  49
  50     @Override
  51     protected PrefixEffectiveStatement createEffective(
  52             final StmtContext<String, PrefixStatement, PrefixEffectiveStatement> ctx, final PrefixStatement declared,
  53             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  54         return new RegularPrefixEffectiveStatement(declared, substatements);
  55     }
  56
  57     @Override
  58     protected PrefixEffectiveStatement createEmptyEffective(
  59             final StmtContext<String, PrefixStatement, PrefixEffectiveStatement> ctx, final PrefixStatement declared) {
  60         return new EmptyPrefixEffectiveStatement(declared);
  61     }
  62 }