Exemplo n.º 1
0
 @Nullable
 public IDirectedGraphRelation getOutgoingRelationTo(@Nullable final IDirectedGraphNode aToNode) {
   if (m_aOutgoing != null && aToNode != null)
     for (final IDirectedGraphRelation aRelation : m_aOutgoing.values())
       if (aRelation.getTo().equals(aToNode)) return aRelation;
   return null;
 }
Exemplo n.º 2
0
 @Nullable
 public IDirectedGraphRelation getIncomingRelationFrom(
     @Nullable final IDirectedGraphNode aFromNode) {
   if (m_aIncoming != null && aFromNode != null)
     for (final IDirectedGraphRelation aRelation : m_aIncoming.values())
       if (aRelation.getFrom().equals(aFromNode)) return aRelation;
   return null;
 }
Exemplo n.º 3
0
 @Nonnull
 @ReturnsMutableCopy
 public Set<IDirectedGraphNode> getAllToNodes() {
   final Set<IDirectedGraphNode> ret = new HashSet<IDirectedGraphNode>();
   if (m_aOutgoing != null)
     for (final IDirectedGraphRelation aRelation : m_aOutgoing.values())
       ret.add(aRelation.getTo());
   return ret;
 }
Exemplo n.º 4
0
 @Nonnull
 @ReturnsMutableCopy
 public Set<String> getAllRelatedNodeIDs() {
   final Set<String> ret = new LinkedHashSet<String>();
   if (m_aIncoming != null)
     for (final IDirectedGraphRelation aRelation : m_aIncoming.values())
       ret.add(aRelation.getFromID());
   if (m_aOutgoing != null)
     for (final IDirectedGraphRelation aRelation : m_aOutgoing.values())
       ret.add(aRelation.getToID());
   return ret;
 }
Exemplo n.º 5
0
  public void addOutgoingRelation(@Nonnull final IDirectedGraphRelation aNewRelation) {
    if (aNewRelation == null) throw new NullPointerException("relation");
    if (aNewRelation.getFrom() != this)
      throw new IllegalArgumentException("Passed outgoing relation is not based on this node");
    if (m_aOutgoing != null) {
      if (m_aOutgoing.containsKey(aNewRelation.getID()))
        throw new IllegalArgumentException(
            "The passed relation "
                + aNewRelation
                + " is already contained as an outgoing relation");
      // check if the relation to-node is already contained
      for (final IDirectedGraphRelation aRelation : m_aOutgoing.values())
        if (aRelation.getTo() == aNewRelation.getTo())
          throw new IllegalArgumentException(
              "The to-node of the passed relation " + aNewRelation + " is already contained");
    } else {
      m_aOutgoing = new LinkedHashMap<String, IDirectedGraphRelation>();
    }

    // Add!
    m_aOutgoing.put(aNewRelation.getID(), aNewRelation);
  }
Exemplo n.º 6
0
 public boolean isIncomingRelation(@Nullable final IDirectedGraphRelation aRelation) {
   return m_aIncoming != null
       && aRelation != null
       && aRelation.equals(m_aIncoming.get(aRelation.getID()));
 }
Exemplo n.º 7
0
 @Nonnull
 public EChange removeOutgoingRelation(@Nonnull final IDirectedGraphRelation aRelation) {
   return aRelation == null || m_aOutgoing == null
       ? EChange.UNCHANGED
       : EChange.valueOf(m_aOutgoing.remove(aRelation.getID()) != null);
 }