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