yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/mandatory/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.mandatory;
   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.StmtContext;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  21
  22 public final class MandatoryStatementSupport extends
  23         AbstractBooleanStatementSupport<MandatoryStatement, MandatoryEffectiveStatement> {
  24     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  25         YangStmtMapping.MANDATORY).build();
  26     private static final MandatoryStatementSupport INSTANCE = new MandatoryStatementSupport();
  27
  28     private MandatoryStatementSupport() {
  29         super(YangStmtMapping.MANDATORY,
  30             EffectiveStatements.createMandatory(DeclaredStatements.createMandatory(Boolean.FALSE)),
  31             EffectiveStatements.createMandatory(DeclaredStatements.createMandatory(Boolean.TRUE)),
  32             StatementPolicy.contextIndependent());
  33     }
  34
  35     public static MandatoryStatementSupport getInstance() {
  36         return INSTANCE;
  37     }
  38
  39     @Override
  40     protected SubstatementValidator getSubstatementValidator() {
  41         return SUBSTATEMENT_VALIDATOR;
  42     }
  43
  44     @Override
  45     protected MandatoryStatement createDeclared(final StmtContext<Boolean, MandatoryStatement, ?> ctx,
  46             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
  47         return DeclaredStatements.createMandatory(ctx.getArgument(), substatements);
  48     }
  49
  50     @Override
  51     protected MandatoryEffectiveStatement createEffective(final MandatoryStatement declared,
  52             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  53         return EffectiveStatements.createMandatory(declared, substatements);
  54     }
  55
  56     @Override
  57     protected MandatoryEffectiveStatement createEmptyEffective(final MandatoryStatement declared) {
  58         return EffectiveStatements.createMandatory(declared);
  59     }
  60 }