yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/reference/ReferenceStatementSupport.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.reference;
   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.ReferenceEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceStatement;
  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 ReferenceStatementSupport
  21         extends BaseStringStatementSupport<ReferenceStatement, ReferenceEffectiveStatement> {
  22     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  23         YangStmtMapping.REFERENCE)
  24         .build();
  25     private static final ReferenceStatementSupport INSTANCE = new ReferenceStatementSupport();
  26
  27     private ReferenceStatementSupport() {
  28         super(YangStmtMapping.REFERENCE);
  29     }
  30
  31     public static ReferenceStatementSupport getInstance() {
  32         return INSTANCE;
  33     }
  34
  35     @Override
  36     protected SubstatementValidator getSubstatementValidator() {
  37         return SUBSTATEMENT_VALIDATOR;
  38     }
  39
  40     @Override
  41     protected ReferenceStatement createDeclared(final StmtContext<String, ReferenceStatement, ?> ctx,
  42             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  43         return new RegularReferenceStatement(ctx, substatements);
  44     }
  45
  46     @Override
  47     protected ReferenceStatement createEmptyDeclared(final StmtContext<String, ReferenceStatement, ?> ctx) {
  48         return new EmptyReferenceStatement(ctx);
  49     }
  50
  51     @Override
  52     protected ReferenceEffectiveStatement createEffective(
  53             final StmtContext<String, ReferenceStatement, ReferenceEffectiveStatement> ctx,
  54             final ReferenceStatement declared,
  55             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  56         return new RegularReferenceEffectiveStatement(declared, substatements);
  57     }
  58
  59     @Override
  60     protected ReferenceEffectiveStatement createEmptyEffective(
  61             final StmtContext<String, ReferenceStatement, ReferenceEffectiveStatement> ctx,
  62             final ReferenceStatement declared) {
  63         return new EmptyReferenceEffectiveStatement(declared);
  64     }
  65 }