yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/require_instance/RequireInstanceStatementSupport.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.require_instance;
   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.RequireInstanceEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.RequireInstanceStatement;
  16 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseBooleanStatementSupport;
  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 RequireInstanceStatementSupport
  21         extends BaseBooleanStatementSupport<RequireInstanceStatement, RequireInstanceEffectiveStatement> {
  22     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  23         YangStmtMapping.REQUIRE_INSTANCE).build();
  24     private static final RequireInstanceStatementSupport INSTANCE = new RequireInstanceStatementSupport();
  25
  26
  27     private RequireInstanceStatementSupport() {
  28         super(YangStmtMapping.REQUIRE_INSTANCE,
  29             new EmptyRequireInstanceEffectiveStatement(new EmptyRequireInstanceStatement(Boolean.FALSE)),
  30             new EmptyRequireInstanceEffectiveStatement(new EmptyRequireInstanceStatement(Boolean.TRUE)),
  31             CopyPolicy.CONTEXT_INDEPENDENT);
  32     }
  33
  34     public static RequireInstanceStatementSupport getInstance() {
  35         return INSTANCE;
  36     }
  37
  38     @Override
  39     protected SubstatementValidator getSubstatementValidator() {
  40         return SUBSTATEMENT_VALIDATOR;
  41     }
  42
  43     @Override
  44     protected RequireInstanceStatement createDeclared(final StmtContext<Boolean, RequireInstanceStatement, ?> ctx,
  45             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  46         return new RegularRequireInstanceStatement(ctx.getArgument(), substatements);
  47     }
  48
  49     @Override
  50     protected RequireInstanceEffectiveStatement createEffective(final RequireInstanceStatement declared,
  51             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  52         return new RegularRequireInstanceEffectiveStatement(declared, substatements);
  53     }
  54
  55     @Override
  56     protected EmptyRequireInstanceEffectiveStatement createEmptyEffective(final RequireInstanceStatement declared) {
  57         return new EmptyRequireInstanceEffectiveStatement(declared);
  58     }
  59 }