yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/deviate/DeviateEffectiveStatementImpl.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.deviate;
   9
  10 import com.google.common.collect.Collections2;
  11 import com.google.common.collect.ImmutableList;
  12 import java.util.Collection;
  13 import org.opendaylight.yangtools.yang.model.api.DeviateDefinition;
  14 import org.opendaylight.yangtools.yang.model.api.DeviateKind;
  15 import org.opendaylight.yangtools.yang.model.api.MustDefinition;
  16 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
  17 import org.opendaylight.yangtools.yang.model.api.UniqueConstraint;
  18 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  19 import org.opendaylight.yangtools.yang.model.api.stmt.ConfigEffectiveStatement;
  20 import org.opendaylight.yangtools.yang.model.api.stmt.DefaultEffectiveStatement;
  21 import org.opendaylight.yangtools.yang.model.api.stmt.DeviateEffectiveStatement;
  22 import org.opendaylight.yangtools.yang.model.api.stmt.DeviateStatement;
  23 import org.opendaylight.yangtools.yang.model.api.stmt.MandatoryEffectiveStatement;
  24 import org.opendaylight.yangtools.yang.model.api.stmt.MaxElementsEffectiveStatement;
  25 import org.opendaylight.yangtools.yang.model.api.stmt.MinElementsEffectiveStatement;
  26 import org.opendaylight.yangtools.yang.model.api.stmt.TypeEffectiveStatement;
  27 import org.opendaylight.yangtools.yang.model.api.stmt.UnitsEffectiveStatement;
  28 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.AbstractDeclaredEffectiveStatement.DefaultArgument.WithSubstatements;
  29
  30 final class DeviateEffectiveStatementImpl extends WithSubstatements<DeviateKind, DeviateStatement>
  31         implements DeviateDefinition, DeviateEffectiveStatement {
  32     DeviateEffectiveStatementImpl(final DeviateStatement declared,
  33             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
  34         super(declared, substatements);
  35     }
  36
  37     @Override
  38     public DeviateKind getDeviateType() {
  39         return argument();
  40     }
  41
  42     @Override
  43     public Boolean getDeviatedConfig() {
  44         return findFirstEffectiveSubstatementArgument(ConfigEffectiveStatement.class).orElse(null);
  45     }
  46
  47     @Override
  48     public String getDeviatedDefault() {
  49         return findFirstEffectiveSubstatementArgument(DefaultEffectiveStatement.class).orElse(null);
  50     }
  51
  52     @Override
  53     public Boolean getDeviatedMandatory() {
  54         return findFirstEffectiveSubstatementArgument(MandatoryEffectiveStatement.class).orElse(null);
  55     }
  56
  57     @Override
  58     public Integer getDeviatedMaxElements() {
  59         return findFirstEffectiveSubstatementArgument(MaxElementsEffectiveStatement.class)
  60                 // FIXME: this does not handle 'unbounded'
  61                 .map(Integer::valueOf).orElse(null);
  62     }
  63
  64     @Override
  65     public Integer getDeviatedMinElements() {
  66         return findFirstEffectiveSubstatementArgument(MinElementsEffectiveStatement.class).orElse(null);
  67     }
  68
  69     @Override
  70     public Collection<? extends MustDefinition> getDeviatedMusts() {
  71         return allSubstatementsOfType(MustDefinition.class);
  72     }
  73
  74     @Override
  75     public TypeDefinition<?> getDeviatedType() {
  76         return findFirstEffectiveSubstatement(TypeEffectiveStatement.class)
  77                 .map(TypeEffectiveStatement::getTypeDefinition).orElse(null);
  78     }
  79
  80     @Override
  81     public Collection<? extends UniqueConstraint> getDeviatedUniques() {
  82         return allSubstatementsOfType(UniqueConstraint.class);
  83     }
  84
  85     @Override
  86     public String getDeviatedUnits() {
  87         return findFirstEffectiveSubstatementArgument(UnitsEffectiveStatement.class).orElse(null);
  88     }
  89
  90     @SuppressWarnings("unchecked")
  91     private <T> Collection<T> allSubstatementsOfType(final Class<T> type) {
  92         return Collection.class.cast(Collections2.filter(effectiveSubstatements(), type::isInstance));
  93     }
  94 }