Example #1
0
 public void accept(Visitor visitor) {
   super.accept(visitor);
   if (labelDiffSets != null) {
     visitor.visitLabelChanges(getId(), labelDiffSets.getAdded(), labelDiffSets.getRemoved());
   }
   if (relationshipsAdded != null || relationshipsRemoved != null) {
     visitor.visitRelationshipChanges(getId(), relationshipsAdded, relationshipsRemoved);
   }
 }
Example #2
0
 public void clearIndexDiffs(long nodeId) {
   if (indexDiffs != null) {
     for (DiffSets<Long> diff : indexDiffs) {
       if (diff.getAdded().contains(nodeId)) {
         diff.remove(nodeId);
       } else if (diff.getRemoved().contains(nodeId)) {
         diff.add(nodeId);
       }
     }
   }
 }
  private PrimitiveLongIterator filterIndexStateChanges(
      KernelStatement state, IndexDescriptor index, Object value, PrimitiveLongIterator nodeIds) {
    if (state.hasTxStateWithChanges()) {
      DiffSets<Long> labelPropertyChanges = state.txState().indexUpdates(index, value);
      DiffSets<Long> nodes = state.txState().addedAndRemovedNodes();

      // Apply to actual index lookup
      return nodes.augmentWithRemovals(labelPropertyChanges.augment(nodeIds));
    }
    return nodeIds;
  }
  private Iterator<UniquenessConstraint> applyConstraintsDiff(
      KernelStatement state, Iterator<UniquenessConstraint> constraints) {
    if (state.hasTxStateWithChanges()) {
      DiffSets<UniquenessConstraint> diff = state.txState().constraintsChanges();
      if (diff != null) {
        return diff.apply(constraints);
      }
    }

    return constraints;
  }
 private boolean checkIndexState(IndexDescriptor indexRule, DiffSets<IndexDescriptor> diffSet)
     throws IndexNotFoundKernelException {
   if (diffSet.isAdded(indexRule)) {
     return true;
   }
   if (diffSet.isRemoved(indexRule)) {
     throw new IndexNotFoundKernelException(
         String.format(
             "Index for label id %d on property id %d has been " + "dropped in this transaction.",
             indexRule.getLabelId(), indexRule.getPropertyKeyId()));
   }
   return false;
 }
  private Iterator<UniquenessConstraint> applyConstraintsDiff(
      KernelStatement state,
      Iterator<UniquenessConstraint> constraints,
      int labelId,
      int propertyKeyId) {
    if (state.hasTxStateWithChanges()) {
      DiffSets<UniquenessConstraint> diff =
          state.txState().constraintsChangesForLabelAndProperty(labelId, propertyKeyId);
      if (diff != null) {
        return diff.apply(constraints);
      }
    }

    return constraints;
  }
  @Override
  public IndexDescriptor indexesGetForLabelAndPropertyKey(
      KernelStatement state, int labelId, int propertyKey) {
    Iterable<IndexDescriptor> committedRules;
    try {
      committedRules = option(storeLayer.indexesGetForLabelAndPropertyKey(labelId, propertyKey));
    } catch (SchemaRuleNotFoundException e) {
      committedRules = emptyList();
    }
    DiffSets<IndexDescriptor> ruleDiffSet = state.txState().indexDiffSetsByLabel(labelId);

    boolean hasTxStateWithChanges = state.hasTxStateWithChanges();
    Iterator<IndexDescriptor> rules =
        hasTxStateWithChanges
            ? filterByPropertyKeyId(ruleDiffSet.apply(committedRules.iterator()), propertyKey)
            : committedRules.iterator();
    return singleOrNull(rules);
  }
Example #8
0
 @Override
 public void clear() {
   super.clear();
   if (relationshipsAdded != null) {
     relationshipsAdded.clear();
   }
   if (relationshipsRemoved != null) {
     relationshipsRemoved.clear();
   }
   if (labelDiffSets != null) {
     labelDiffSets.clear();
   }
   if (indexDiffs != null) {
     indexDiffs.clear();
   }
 }
  @Test
  public void shouldNotAddConstraintAlreadyExistsInTheStore() throws Exception {
    // given
    UniquenessConstraint constraint = new UniquenessConstraint(10, 66);
    TxState txState = mock(TxState.class);
    when(txState.nodesWithLabelChanged(anyInt())).thenReturn(DiffSets.<Long>emptyDiffSets());
    KernelStatement state = mockedState(txState);
    when(inner.constraintsGetForLabelAndPropertyKey(10, 66))
        .thenAnswer(asAnswer(asList(constraint)));
    StateHandlingStatementOperations context = newTxStateOps(inner);

    // when
    context.uniquenessConstraintCreate(state, 10, 66);

    // then
    verify(txState).constraintIndexDoUnRemove(any(IndexDescriptor.class));
  }