Examples with IndexBrokenKernelException org.neo4j.kernel.api.exceptions.schema.IndexBrokenKernelException used on opensource projects

Example 1 with IndexBrokenKernelException

use of org.neo4j.kernel.api.exceptions.schema.IndexBrokenKernelException in project neo4j by neo4j.

the class ConstraintEnforcingEntityOperations method validateNoExistingNodeWithExactValues.

private void validateNoExistingNodeWithExactValues(KernelStatement state, UniquenessConstraintDescriptor constraint, ExactPredicate[] propertyValues, long modifiedNode) throws ConstraintValidationException {
    try {
        NewIndexDescriptor index = constraint.ownedIndexDescriptor();
        assertIndexOnline(state, index);
        int labelId = index.schema().getLabelId();
        state.locks().optimistic().acquireExclusive(state.lockTracer(), INDEX_ENTRY, indexEntryResourceId(labelId, propertyValues));
        long existing = entityReadOperations.nodeGetFromUniqueIndexSeek(state, index, propertyValues);
        if (existing != NO_SUCH_NODE && existing != modifiedNode) {
            throw new UniquePropertyValueValidationException(constraint, VALIDATION, new IndexEntryConflictException(existing, NO_SUCH_NODE, OrderedPropertyValues.of(propertyValues)));
        }
    } catch (IndexNotFoundKernelException | IndexBrokenKernelException | IndexNotApplicableKernelException e) {
        throw new UnableToValidateConstraintException(constraint, e);
    }
}

Example 2 with IndexBrokenKernelException

use of org.neo4j.kernel.api.exceptions.schema.IndexBrokenKernelException in project neo4j by neo4j.

the class Operations method validateNoExistingNodeWithExactValues.

/**
 * Check so that there is not an existing node with the exact match of label and property
 */
private void validateNoExistingNodeWithExactValues(IndexBackedConstraintDescriptor constraint, PropertyIndexQuery.ExactPredicate[] propertyValues, long modifiedNode) throws UniquePropertyValueValidationException, UnableToValidateConstraintException {
    IndexDescriptor index = allStoreHolder.indexGetForName(constraint.getName());
    try (FullAccessNodeValueIndexCursor valueCursor = cursors.allocateFullAccessNodeValueIndexCursor(ktx.cursorContext(), memoryTracker);
        IndexReaders indexReaders = new IndexReaders(index, allStoreHolder)) {
        assertIndexOnline(index);
        SchemaDescriptor schema = index.schema();
        long[] labelIds = schema.lockingKeys();
        if (labelIds.length != 1) {
            throw new UnableToValidateConstraintException(constraint, new AssertionError(format("Constraint indexes are not expected to be multi-token indexes, " + "but the constraint %s was referencing an index with the following schema: %s.", constraint.userDescription(token), schema.userDescription(token))), token);
        }
        // Take a big fat lock, and check for existing node in index
        ktx.lockClient().acquireExclusive(ktx.lockTracer(), INDEX_ENTRY, indexEntryResourceId(labelIds[0], propertyValues));
        allStoreHolder.nodeIndexSeekWithFreshIndexReader(valueCursor, indexReaders.createReader(), propertyValues);
        if (valueCursor.next() && valueCursor.nodeReference() != modifiedNode) {
            throw new UniquePropertyValueValidationException(constraint, VALIDATION, new IndexEntryConflictException(valueCursor.nodeReference(), NO_SUCH_NODE, PropertyIndexQuery.asValueTuple(propertyValues)), token);
        }
    } catch (IndexNotFoundKernelException | IndexBrokenKernelException | IndexNotApplicableKernelException e) {
        throw new UnableToValidateConstraintException(constraint, e, token);
    }
}