Class AbstractSearchIterativeTaskPartExecution<O extends ObjectType,​TH extends AbstractTaskHandler<TH,​TE>,​TE extends AbstractTaskExecution<TH,​TE>,​PE extends AbstractSearchIterativeTaskPartExecution<O,​TH,​TE,​PE,​RH>,​RH extends AbstractSearchIterativeItemProcessor<O,​TH,​TE,​PE,​RH>>