@Override
public UniquenessConstraint uniquenessConstraintCreate(
KernelStatement state, int labelId, int propertyKeyId)
throws CreateConstraintFailureException, AlreadyConstrainedException,
AlreadyIndexedException {
state.locks().acquireExclusive(ResourceTypes.SCHEMA, schemaResource());
return schemaWriteDelegate.uniquenessConstraintCreate(state, labelId, propertyKeyId);
}
@Override
public void constraintDrop(KernelStatement state, UniquenessConstraint constraint)
throws DropConstraintFailureException {
state.locks().acquireExclusive(ResourceTypes.SCHEMA, schemaResource());
schemaWriteDelegate.constraintDrop(state, constraint);
}
@Override
public void uniqueIndexDrop(KernelStatement state, IndexDescriptor descriptor)
throws DropIndexFailureException {
state.locks().acquireExclusive(ResourceTypes.SCHEMA, schemaResource());
schemaWriteDelegate.uniqueIndexDrop(state, descriptor);
}
@Override
public IndexDescriptor indexCreate(KernelStatement state, int labelId, int propertyKey)
throws AddIndexFailureException, AlreadyIndexedException, AlreadyConstrainedException {
state.locks().acquireExclusive(ResourceTypes.SCHEMA, schemaResource());
return schemaWriteDelegate.indexCreate(state, labelId, propertyKey);
}
@Override
public void constraintDrop(KernelStatement state, UniquenessConstraint constraint)
throws DropConstraintFailureException {
state.locks().acquireSchemaWriteLock();
schemaWriteDelegate.constraintDrop(state, constraint);
}
@Override
public void uniqueIndexDrop(KernelStatement state, IndexDescriptor descriptor)
throws DropIndexFailureException {
state.locks().acquireSchemaWriteLock();
schemaWriteDelegate.uniqueIndexDrop(state, descriptor);
}