public ChangeApplier(int inputBufferCapacity) {
basePostbox = new DataPostbox<EntityContainer>(inputBufferCapacity);
sortedEntityValidator = new SortedEntityPipeValidator();
sortedEntityValidator.setSink(new DataPostboxSink(basePostbox));
changePostbox = new DataPostbox<ChangeContainer>(inputBufferCapacity);
sortedChangeValidator = new SortedDeltaChangePipeValidator();
sortedChangeValidator.setChangeSink(new DataPostboxChangeSink(changePostbox));
}