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LocalStorageMaker Class Reference

Inheritance diagram for LocalStorageMaker:

List of all members.

Public Member Functions
virtual bool	check (const std::string &proto, const std::string &path, IOOffset *size=0)
virtual Storage *	open (const std::string &proto, const std::string &path, int mode, const std::string &tmpdir)

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Detailed Description

Definition at line 8 of file LocalStorageMaker.cc.

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Member Function Documentation

virtual bool LocalStorageMaker::check	(	const std::string &	proto,
		const std::string &	path,
		IOOffset *	size = 0
	)			[inline, virtual]

Reimplemented from StorageMaker.

Definition at line 29 of file LocalStorageMaker.cc.

References size.

  {
    struct stat st;
    if (stat (path.c_str(), &st) != 0)
      return false;

    if (size)
      *size = st.st_size;

    return true;
  }

virtual Storage* LocalStorageMaker::open	(	const std::string &	proto,
		const std::string &	path,
		int	mode,
		const std::string &	tmpdir
	)			[inline, virtual]

Implements StorageMaker.

Definition at line 11 of file LocalStorageMaker.cc.

References StorageFactory::CACHE_HINT_STORAGE, StorageFactory::cacheHint(), f, StorageFactory::get(), IOFlags::OpenUnbuffered, StorageFactory::READ_HINT_UNBUFFERED, and StorageFactory::readHint().

  {
    StorageFactory *f = StorageFactory::get();
    StorageFactory::ReadHint readHint = f->readHint();
    StorageFactory::CacheHint cacheHint = f->cacheHint();

    if (readHint != StorageFactory::READ_HINT_UNBUFFERED
        || cacheHint == StorageFactory::CACHE_HINT_STORAGE)
      mode &= ~IOFlags::OpenUnbuffered;
    else
      mode |= IOFlags::OpenUnbuffered;

    return new File (path, mode); 
  }

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The documentation for this class was generated from the following file:

• Utilities/StorageFactory/plugins/LocalStorageMaker.cc

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