yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/MandatoryStatementSupport.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.meta;
   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.MandatoryEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryStatement;
  16 import org.opendaylight.yangtools.yang.model.ri.stmt.DeclaredStatements;
  17 import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractBooleanStatementSupport;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  20
  21 public final class MandatoryStatementSupport extends
  22         AbstractBooleanStatementSupport<MandatoryStatement, MandatoryEffectiveStatement> {
  23     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  24         YangStmtMapping.MANDATORY).build();
  25     private static final MandatoryStatementSupport INSTANCE = new MandatoryStatementSupport();
  26
  27     private MandatoryStatementSupport() {
  28         super(YangStmtMapping.MANDATORY,
  29             EffectiveStatements.createMandatory(DeclaredStatements.createMandatory(Boolean.FALSE)),
  30             EffectiveStatements.createMandatory(DeclaredStatements.createMandatory(Boolean.TRUE)),
  31             StatementPolicy.contextIndependent());
  32     }
  33
  34     public static MandatoryStatementSupport getInstance() {
  35         return INSTANCE;
  36     }
  37
  38     @Override
  39     protected SubstatementValidator getSubstatementValidator() {
  40         return SUBSTATEMENT_VALIDATOR;
  41     }
  42
  43     @Override
  44     protected MandatoryStatement createDeclared(final Boolean argument,
  45             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  46         return DeclaredStatements.createMandatory(argument, substatements);
  47     }
  48
  49     @Override
  50     protected MandatoryEffectiveStatement createEffective(final MandatoryStatement declared,
  51             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  52         return EffectiveStatements.createMandatory(declared, substatements);
  53     }
  54
  55     @Override
  56     protected MandatoryEffectiveStatement createEmptyEffective(final MandatoryStatement declared) {
  57         return EffectiveStatements.createMandatory(declared);
  58     }
  59 }