yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/effective/UsesEffectiveStatementImpl.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.stmt.rfc6020.effective;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableList;
  12 import com.google.common.collect.ImmutableMap;
  13 import com.google.common.collect.ImmutableSet;
  14 import java.util.Collection;
  15 import java.util.HashMap;
  16 import java.util.LinkedHashSet;
  17 import java.util.LinkedList;
  18 import java.util.List;
  19 import java.util.Map;
  20 import java.util.Objects;
  21 import java.util.Set;
  22 import javax.annotation.Nonnull;
  23 import org.opendaylight.yangtools.yang.common.QName;
  24 import org.opendaylight.yangtools.yang.model.api.AugmentationSchema;
  25 import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaNode;
  27 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  28 import org.opendaylight.yangtools.yang.model.api.UnknownSchemaNode;
  29 import org.opendaylight.yangtools.yang.model.api.UsesNode;
  30 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
  31 import org.opendaylight.yangtools.yang.model.api.stmt.GroupingStatement;
  32 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier;
  33 import org.opendaylight.yangtools.yang.model.api.stmt.UsesStatement;
  34 import org.opendaylight.yangtools.yang.parser.spi.GroupingNamespace;
  35 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
  36 import org.opendaylight.yangtools.yang.parser.spi.meta.CopyType;
  37
  38 public final class UsesEffectiveStatementImpl extends AbstractEffectiveDocumentedNode<QName, UsesStatement> implements UsesNode {
  39     private final SchemaPath groupingPath;
  40     private final boolean addedByUses;
  41     private final Map<SchemaPath, SchemaNode> refines;
  42     private final Set<AugmentationSchema> augmentations;
  43     private final List<UnknownSchemaNode> unknownNodes;
  44     private final RevisionAwareXPath whenCondition;
  45
  46     public UsesEffectiveStatementImpl(
  47             final StmtContext<QName, UsesStatement, EffectiveStatement<QName, UsesStatement>> ctx) {
  48         super(ctx);
  49
  50         // initGroupingPath
  51         final StmtContext<?, GroupingStatement, EffectiveStatement<QName, GroupingStatement>> grpCtx = ctx.getFromNamespace(
  52                 GroupingNamespace.class, ctx.getStatementArgument());
  53         this.groupingPath = grpCtx.getSchemaPath().get();
  54
  55         // initCopyType
  56         addedByUses = ctx.getCopyHistory().contains(CopyType.ADDED_BY_USES);
  57
  58         // initSubstatementCollections
  59         final Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements = effectiveSubstatements();
  60         final List<UnknownSchemaNode> unknownNodesInit = new LinkedList<>();
  61         final Set<AugmentationSchema> augmentationsInit = new LinkedHashSet<>();
  62         final Map<SchemaPath, SchemaNode> refinesInit = new HashMap<>();
  63         for (final EffectiveStatement<?, ?> effectiveStatement : effectiveSubstatements) {
  64             if (effectiveStatement instanceof UnknownSchemaNode) {
  65                 final UnknownSchemaNode unknownNode = (UnknownSchemaNode) effectiveStatement;
  66                 unknownNodesInit.add(unknownNode);
  67             }
  68             if (effectiveStatement instanceof AugmentationSchema) {
  69                 final AugmentationSchema augmentationSchema = (AugmentationSchema) effectiveStatement;
  70                 augmentationsInit.add(augmentationSchema);
  71             }
  72             if (effectiveStatement instanceof RefineEffectiveStatementImpl) {
  73                 final RefineEffectiveStatementImpl refineStmt = (RefineEffectiveStatementImpl) effectiveStatement;
  74                 final SchemaNodeIdentifier identifier = refineStmt.argument();
  75                 refinesInit.put(identifier.asSchemaPath(), refineStmt.getRefineTargetNode());
  76             }
  77         }
  78         this.unknownNodes = ImmutableList.copyOf(unknownNodesInit);
  79         this.augmentations = ImmutableSet.copyOf(augmentationsInit);
  80         this.refines = ImmutableMap.copyOf(refinesInit);
  81
  82         final WhenEffectiveStatementImpl whenStmt = firstEffective(WhenEffectiveStatementImpl.class);
  83         this.whenCondition = (whenStmt == null) ? null : whenStmt.argument();
  84     }
  85
  86     @Nonnull
  87     @Override
  88     public SchemaPath getGroupingPath() {
  89         return groupingPath;
  90     }
  91
  92     @Nonnull
  93     @Override
  94     public Set<AugmentationSchema> getAugmentations() {
  95         return augmentations;
  96     }
  97
  98     @Override
  99     public boolean isAugmenting() {
 100         return false;
 101     }
 102
 103     @Override
 104     public boolean isAddedByUses() {
 105         return addedByUses;
 106     }
 107
 108     @Nonnull
 109     @Override
 110     public Map<SchemaPath, SchemaNode> getRefines() {
 111         return refines;
 112     }
 113
 114     @Nonnull
 115     @Override
 116     public List<UnknownSchemaNode> getUnknownSchemaNodes() {
 117         return unknownNodes;
 118     }
 119
 120     @Nonnull
 121     @Override
 122     public Optional<RevisionAwareXPath> getWhenCondition() {
 123         return Optional.fromNullable(whenCondition);
 124     }
 125
 126     @Override
 127     public int hashCode() {
 128         final int prime = 31;
 129         int result = 1;
 130         result = prime * result + Objects.hashCode(groupingPath);
 131         result = prime * result + Objects.hashCode(augmentations);
 132         return result;
 133     }
 134
 135     @Override
 136     public boolean equals(final Object obj) {
 137         if (this == obj) {
 138             return true;
 139         }
 140         if (obj == null) {
 141             return false;
 142         }
 143         if (getClass() != obj.getClass()) {
 144             return false;
 145         }
 146         final UsesEffectiveStatementImpl other = (UsesEffectiveStatementImpl) obj;
 147         return Objects.equals(groupingPath, other.groupingPath) && Objects.equals(augmentations, other.augmentations);
 148     }
 149
 150     @Override
 151     public String toString() {
 152         return UsesEffectiveStatementImpl.class.getSimpleName() + "[groupingPath=" +
 153                 groupingPath +
 154                 "]";
 155     }
 156 }