Method BlockNotStale

tensorflow/core/platform/cloud/ram_file_block_cache.cc:24–31

namespace tensorflow {

bool RamFileBlockCache::BlockNotStale(const std::shared_ptr<Block>& block) {
  mutex_lock l(block->mu);
  if (block->state != FetchState::FINISHED) {
    return true;  // No need to check for staleness.
  }
  if (max_staleness_ == 0) return true;  // Not enforcing staleness.
  return env_->NowSeconds() - block->timestamp <= max_staleness_;
}

std::shared_ptr<RamFileBlockCache::Block> RamFileBlockCache::Lookup(
    const Key& key) {