yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/if_feature/IfFeatureStatementSupport.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.if_feature;
   9
  10 import java.util.Set;
  11 import java.util.function.Predicate;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.common.YangVersion;
  14 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
  15 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureExpr;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.IfFeatureStatement;
  18 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
  19 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  20 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
  22
  23 public final class IfFeatureStatementSupport extends AbstractStatementSupport<Predicate<Set<QName>>, IfFeatureStatement,
  24         EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement>> {
  25     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
  26         YangStmtMapping.IF_FEATURE)
  27         .build();
  28     private static final IfFeatureStatementSupport INSTANCE = new IfFeatureStatementSupport();
  29
  30     private IfFeatureStatementSupport() {
  31         super(YangStmtMapping.IF_FEATURE);
  32     }
  33
  34     public static IfFeatureStatementSupport getInstance() {
  35         return INSTANCE;
  36     }
  37
  38     @Override
  39     public Predicate<Set<QName>> parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
  40         if (YangVersion.VERSION_1_1.equals(ctx.getRootVersion())) {
  41             return IfFeaturePredicateVisitor.parseIfFeatureExpression(ctx, value);
  42         }
  43         return IfFeatureExpr.isPresent(StmtContextUtils.parseNodeIdentifier(ctx, value));
  44     }
  45
  46     @Override
  47     public IfFeatureStatement createDeclared(final StmtContext<Predicate<Set<QName>>, IfFeatureStatement, ?> ctx) {
  48         return new IfFeatureStatementImpl(ctx);
  49     }
  50
  51     @Override
  52     public EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement> createEffective(
  53             final StmtContext<Predicate<Set<QName>>, IfFeatureStatement,
  54             EffectiveStatement<Predicate<Set<QName>>, IfFeatureStatement>> ctx) {
  55         return new IfFeatureEffectiveStatementImpl(ctx);
  56     }
  57
  58     @Override
  59     protected SubstatementValidator getSubstatementValidator() {
  60         return SUBSTATEMENT_VALIDATOR;
  61     }
  62 }