yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/leafref/LeafRefContext.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.data.impl.leafref;
   9
  10 import com.google.common.collect.ImmutableMap;
  11 import java.util.Map;
  12 import org.opendaylight.yangtools.yang.common.QName;
  13 import org.opendaylight.yangtools.yang.model.api.Module;
  14 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  15 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
  16 import org.opendaylight.yangtools.yang.model.util.AbstractSchemaContextProvider;
  17
  18 public final class LeafRefContext extends AbstractSchemaContextProvider {
  19
  20     private final QName currentNodeQName;
  21     private final SchemaPath currentNodePath;
  22     private final Module module;
  23
  24     private final LeafRefPath leafRefTargetPath;
  25     private final LeafRefPath absoluteLeafRefTargetPath;
  26     private final String leafRefTargetPathString;
  27
  28     private final boolean isReferencedBy;
  29     private final boolean isReferencing;
  30
  31     private final ImmutableMap<QName, LeafRefContext> referencingChilds;
  32     private final ImmutableMap<QName, LeafRefContext> referencedByChilds;
  33     private final ImmutableMap<QName, LeafRefContext> referencedByLeafRefCtx;
  34
  35     // FIXME: this looks like it's related to absoluteLeafRefTargetPath, but the original use in LeafRefValidation
  36     //        fast path did not make it clear. Analyze the relationship between this field and
  37     //        absoluteLeafRefTargetPath.
  38     private volatile LeafRefPath leafRefNodePath = null;
  39
  40     LeafRefContext(final LeafRefContextBuilder leafRefContextBuilder) {
  41         super(leafRefContextBuilder.getSchemaContext());
  42         this.currentNodeQName = leafRefContextBuilder.getCurrentNodeQName();
  43         this.currentNodePath = leafRefContextBuilder.getCurrentNodePath();
  44         this.leafRefTargetPath = leafRefContextBuilder.getLeafRefTargetPath();
  45         this.absoluteLeafRefTargetPath = leafRefContextBuilder.getAbsoluteLeafRefTargetPath();
  46         this.leafRefTargetPathString = leafRefContextBuilder.getLeafRefTargetPathString();
  47         this.isReferencedBy = leafRefContextBuilder.isReferencedBy();
  48         this.isReferencing = leafRefContextBuilder.isReferencing();
  49         this.referencingChilds = ImmutableMap.copyOf(leafRefContextBuilder.getReferencingChilds());
  50         this.referencedByChilds = ImmutableMap.copyOf(leafRefContextBuilder.getReferencedByChilds());
  51         this.referencedByLeafRefCtx = ImmutableMap.copyOf(leafRefContextBuilder.getAllReferencedByLeafRefCtxs());
  52         this.module = leafRefContextBuilder.getLeafRefContextModule();
  53     }
  54
  55     public static LeafRefContext create(final SchemaContext ctx) {
  56         try {
  57             return new LeafRefContextTreeBuilder(ctx).buildLeafRefContextTree();
  58         } catch (LeafRefYangSyntaxErrorException e) {
  59             throw new IllegalArgumentException(e);
  60         }
  61     }
  62
  63     public boolean hasLeafRefContextChild() {
  64         return hasReferencedChild() || hasReferencingChild();
  65     }
  66
  67     public boolean hasReferencedChild() {
  68         return !referencedByChilds.isEmpty();
  69     }
  70
  71     public boolean hasReferencingChild() {
  72         return !referencingChilds.isEmpty();
  73     }
  74
  75     public boolean isReferenced() {
  76         return isReferencedBy;
  77     }
  78
  79     public boolean isReferencing() {
  80         return isReferencing;
  81     }
  82
  83     public LeafRefContext getReferencingChildByName(final QName name) {
  84         return referencingChilds.get(name);
  85     }
  86
  87     public Map<QName, LeafRefContext> getReferencingChilds() {
  88         return referencingChilds;
  89     }
  90
  91     public LeafRefContext getReferencedChildByName(final QName name) {
  92         return referencedByChilds.get(name);
  93     }
  94
  95     public Map<QName, LeafRefContext> getReferencedByChilds() {
  96         return referencedByChilds;
  97     }
  98
  99     public SchemaPath getCurrentNodePath() {
 100         return currentNodePath;
 101     }
 102
 103     public LeafRefPath getLeafRefTargetPath() {
 104         return leafRefTargetPath;
 105     }
 106
 107     public String getLeafRefTargetPathString() {
 108         return leafRefTargetPathString;
 109     }
 110
 111     public QName getNodeName() {
 112         return currentNodeQName;
 113     }
 114
 115     public LeafRefPath getAbsoluteLeafRefTargetPath() {
 116         return absoluteLeafRefTargetPath;
 117     }
 118
 119     public Module getLeafRefContextModule() {
 120         return module;
 121     }
 122
 123     public LeafRefContext getReferencedByLeafRefCtxByName(final QName qname) {
 124         return referencedByLeafRefCtx.get(qname);
 125     }
 126
 127     public Map<QName, LeafRefContext> getAllReferencedByLeafRefCtxs() {
 128         return referencedByLeafRefCtx;
 129     }
 130
 131     LeafRefPath getLeafRefNodePath() {
 132         LeafRefPath ret = leafRefNodePath;
 133         if (ret == null) {
 134             synchronized (this) {
 135                 ret = leafRefNodePath;
 136                 if (ret == null) {
 137                     ret = leafRefNodePath = LeafRefUtils.schemaPathToLeafRefPath(currentNodePath, module);
 138                 }
 139             }
 140         }
 141         return ret;
 142     }
 143 }