yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/must/MustEffectiveStatementImpl.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.must;
   9
  10 import java.util.Objects;
  11 import java.util.Optional;
  12 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  13 import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
  14 import org.opendaylight.yangtools.yang.model.api.stmt.DescriptionEffectiveStatement;
  15 import org.opendaylight.yangtools.yang.model.api.stmt.ErrorAppTagEffectiveStatement;
  16 import org.opendaylight.yangtools.yang.model.api.stmt.ErrorMessageEffectiveStatement;
  17 import org.opendaylight.yangtools.yang.model.api.stmt.MustEffectiveStatement;
  18 import org.opendaylight.yangtools.yang.model.api.stmt.MustStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.ReferenceEffectiveStatement;
  20 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.DeclaredEffectiveStatementBase;
  21 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  22
  23 final class MustEffectiveStatementImpl extends DeclaredEffectiveStatementBase<RevisionAwareXPath, MustStatement>
  24         implements MustDefinition, MustEffectiveStatement {
  25
  26     private final RevisionAwareXPath xpath;
  27     private final String description;
  28     private final String errorAppTag;
  29     private final String errorMessage;
  30     private final String reference;
  31
  32     MustEffectiveStatementImpl(final StmtContext<RevisionAwareXPath, MustStatement, ?> ctx) {
  33         super(ctx);
  34         xpath = ctx.getStatementArgument();
  35         description = findFirstEffectiveSubstatementArgument(DescriptionEffectiveStatement.class).orElse(null);
  36         errorAppTag = findFirstEffectiveSubstatementArgument(ErrorAppTagEffectiveStatement.class).orElse(null);
  37         errorMessage = findFirstEffectiveSubstatementArgument(ErrorMessageEffectiveStatement.class).orElse(null);
  38         reference = findFirstEffectiveSubstatementArgument(ReferenceEffectiveStatement.class).orElse(null);
  39     }
  40
  41     @Override
  42     public RevisionAwareXPath getXpath() {
  43         return xpath;
  44     }
  45
  46     @Override
  47     public Optional<String> getDescription() {
  48         return Optional.ofNullable(description);
  49     }
  50
  51     @Override
  52     public Optional<String> getErrorAppTag() {
  53         return Optional.ofNullable(errorAppTag);
  54     }
  55
  56     @Override
  57     public Optional<String> getErrorMessage() {
  58         return Optional.ofNullable(errorMessage);
  59     }
  60
  61     @Override
  62     public Optional<String> getReference() {
  63         return Optional.ofNullable(reference);
  64     }
  65
  66     @Override
  67     public int hashCode() {
  68         return Objects.hash(xpath, description, reference);
  69     }
  70
  71     @Override
  72     public boolean equals(final Object obj) {
  73         if (this == obj) {
  74             return true;
  75         }
  76         if (!(obj instanceof MustEffectiveStatementImpl)) {
  77             return false;
  78         }
  79         final MustEffectiveStatementImpl other = (MustEffectiveStatementImpl) obj;
  80         return Objects.equals(xpath, other.xpath) && Objects.equals(description, other.description)
  81                 && Objects.equals(reference, other.reference);
  82     }
  83
  84     @Override
  85     public String toString() {
  86         return xpath.getOriginalString();
  87     }
  88 }