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
  17 // FIXME: 3.0.0 hide this class
  18 public final class LeafRefContext {
  19
  20     private final QName currentNodeQName;
  21     private final SchemaPath currentNodePath;
  22     private final SchemaContext schemaContext;
  23     private final Module module;
  24
  25     private final LeafRefPath leafRefTargetPath;
  26     private final LeafRefPath absoluteLeafRefTargetPath;
  27     private final String leafRefTargetPathString;
  28
  29     private final boolean isReferencedBy;
  30     private final boolean isReferencing;
  31
  32     private final Map<QName, LeafRefContext> referencingChilds;
  33     private final Map<QName, LeafRefContext> referencedByChilds;
  34     private final Map<QName, LeafRefContext> referencedByLeafRefCtx;
  35
  36     // FIXME: this looks like it's related to absoluteLeafRefTargetPath, but the original use in LeafRefValidation
  37     //        fast path did not make it clear. Analyze the relationship between this field and
  38     //        absoluteLeafRefTargetPath.
  39     private volatile LeafRefPath leafRefNodePath = null;
  40
  41     LeafRefContext(final LeafRefContextBuilder leafRefContextBuilder) {
  42         this.currentNodeQName = leafRefContextBuilder.getCurrentNodeQName();
  43         this.currentNodePath = leafRefContextBuilder.getCurrentNodePath();
  44         this.schemaContext = leafRefContextBuilder.getSchemaContext();
  45         this.leafRefTargetPath = leafRefContextBuilder.getLeafRefTargetPath();
  46         this.absoluteLeafRefTargetPath = leafRefContextBuilder.getAbsoluteLeafRefTargetPath();
  47         this.leafRefTargetPathString = leafRefContextBuilder.getLeafRefTargetPathString();
  48         this.isReferencedBy = leafRefContextBuilder.isReferencedBy();
  49         this.isReferencing = leafRefContextBuilder.isReferencing();
  50         this.referencingChilds = ImmutableMap.copyOf(leafRefContextBuilder.getReferencingChilds());
  51         this.referencedByChilds = ImmutableMap.copyOf(leafRefContextBuilder.getReferencedByChilds());
  52         this.referencedByLeafRefCtx = ImmutableMap.copyOf(leafRefContextBuilder.getAllReferencedByLeafRefCtxs());
  53         this.module = leafRefContextBuilder.getLeafRefContextModule();
  54     }
  55
  56     public static LeafRefContext create(final SchemaContext ctx) {
  57         try {
  58             return new LeafRefContextTreeBuilder(ctx).buildLeafRefContextTree();
  59         } catch (LeafRefYangSyntaxErrorException e) {
  60             throw new IllegalArgumentException(e);
  61         }
  62     }
  63
  64     public boolean hasLeafRefContextChild() {
  65         return hasReferencedChild() || hasReferencingChild();
  66     }
  67
  68     public boolean hasReferencedChild() {
  69         return !referencedByChilds.isEmpty();
  70     }
  71
  72     public boolean hasReferencingChild() {
  73         return !referencingChilds.isEmpty();
  74     }
  75
  76     public boolean isReferenced() {
  77         return isReferencedBy;
  78     }
  79
  80     public boolean isReferencing() {
  81         return isReferencing;
  82     }
  83
  84     public LeafRefContext getReferencingChildByName(final QName name) {
  85         return referencingChilds.get(name);
  86     }
  87
  88     public Map<QName, LeafRefContext> getReferencingChilds() {
  89         return referencingChilds;
  90     }
  91
  92     public LeafRefContext getReferencedChildByName(final QName name) {
  93         return referencedByChilds.get(name);
  94     }
  95
  96     public Map<QName, LeafRefContext> getReferencedByChilds() {
  97         return referencedByChilds;
  98     }
  99
 100     public SchemaPath getCurrentNodePath() {
 101         return currentNodePath;
 102     }
 103
 104     public LeafRefPath getLeafRefTargetPath() {
 105         return leafRefTargetPath;
 106     }
 107
 108     public String getLeafRefTargetPathString() {
 109         return leafRefTargetPathString;
 110     }
 111
 112     public QName getNodeName() {
 113         return currentNodeQName;
 114     }
 115
 116     SchemaContext getSchemaContext() {
 117         return schemaContext;
 118     }
 119
 120     public LeafRefPath getAbsoluteLeafRefTargetPath() {
 121         return absoluteLeafRefTargetPath;
 122     }
 123
 124     public Module getLeafRefContextModule() {
 125         return module;
 126     }
 127
 128     public LeafRefContext getReferencedByLeafRefCtxByName(final QName qname) {
 129         return referencedByLeafRefCtx.get(qname);
 130     }
 131
 132     public Map<QName, LeafRefContext> getAllReferencedByLeafRefCtxs() {
 133         return referencedByLeafRefCtx;
 134     }
 135
 136     LeafRefPath getLeafRefNodePath() {
 137         LeafRefPath ret = leafRefNodePath;
 138         if (ret == null) {
 139             synchronized (this) {
 140                 ret = leafRefNodePath;
 141                 if (ret == null) {
 142                     ret = leafRefNodePath = LeafRefUtils.schemaPathToLeafRefPath(currentNodePath, module);
 143                 }
 144             }
 145         }
 146         return ret;
 147     }
 148 }