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// C++ informative line for the emacs editor: -*- C++ -*-
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#ifndef _H5FileAccPropList_H
#define _H5FileAccPropList_H
#ifndef H5_NO_NAMESPACE
namespace H5 {
#endif
// class for file access properties
class H5_DLLCPP FileAccPropList : public PropList {
public:
static const FileAccPropList DEFAULT;
// Modifies this property list to use the H5FD_STDIO driver
void setStdio() const;
// Set file driver for this property list
void setDriver(hid_t new_driver_id, const void *new_driver_info) const;
// Returns a low-level file driver identifier.
hid_t getDriver() const;
// Sets offset for family driver.
void setFamilyOffset(hsize_t offset) const;
// Gets offset for family driver.
hsize_t getFamilyOffset() const;
// Modifies this file access property list to use the sec2 driver.
void setSec2() const;
// Modifies this file access property list to use the H5FD_CORE
// driver.
void setCore (size_t increment, hbool_t backing_store) const;
// Queries H5FD_CORE driver properties.
void getCore (size_t& increment, hbool_t& backing_store) const;
// Sets this file access properties list to the family driver.
void setFamily( hsize_t memb_size, const FileAccPropList& memb_plist ) const;
// Returns information about the family file access property list.
void getFamily(hsize_t& memb_size, FileAccPropList& memb_plist) const;
FileAccPropList getFamily(hsize_t& memb_size) const;
// Emulates the old split file driver,
void setSplit( FileAccPropList& meta_plist, FileAccPropList& raw_plist,
const char* meta_ext = ".meta", const char* raw_ext = ".raw" ) const;
void setSplit( FileAccPropList& meta_plist, FileAccPropList& raw_plist,
const string& meta_ext, const string& raw_ext ) const;
#ifdef H5_HAVE_STREAM // for Stream Virtual File Driver
// Modifies this file access property list to use the Stream driver.
void setStream(H5FD_stream_fapl_t &fapl) const;
// Retrieves the streaming I/O driver settings
H5FD_stream_fapl_t getStream() const;
#endif
// Sets the maximum size of the data sieve buffer.
void setSieveBufSize(size_t bufsize) const;
// Returns the current settings for the data sieve buffer size
// property
size_t getSieveBufSize() const;
// Sets the minimum size of metadata block allocations.
void setMetaBlockSize(hsize_t &block_size) const;
// Returns the current metadata block size setting.
hsize_t getMetaBlockSize() const;
// Modifies this file access property list to use the logging driver.
void setLog(const char *logfile, unsigned flags, size_t buf_size) const;
void setLog(const string& logfile, unsigned flags, size_t buf_size) const;
// Sets alignment properties of this file access property list
void setAlignment( hsize_t threshold = 1, hsize_t alignment = 1 ) const;
// Retrieves the current settings for alignment properties from
// this property list.
void getAlignment( hsize_t& threshold, hsize_t& alignment ) const;
// Sets data type for multi driver.
void setMultiType(H5FD_mem_t dtype) const;
// Returns the data type property for MULTI driver.
H5FD_mem_t getMultiType() const;
// Sets the meta data cache and raw data chunk cache parameters.
void setCache( int mdc_nelmts, size_t rdcc_nelmts, size_t rdcc_nbytes, double rdcc_w0 ) const;
// Queries the meta data cache and raw data chunk cache parameters.
void getCache( int& mdc_nelmts, size_t& rdcc_nelmts, size_t& rdcc_nbytes, double& rdcc_w0 ) const;
// Sets the degree for the file close behavior.
void setFcloseDegree(H5F_close_degree_t degree);
// Returns the degree for the file close behavior.
H5F_close_degree_t getFcloseDegree();
// Sets garbage collecting references flag.
void setGcReferences( unsigned gc_ref = 0 ) const;
// Returns garbage collecting references setting.
unsigned getGcReferences() const;
// Creates a file access property list.
FileAccPropList();
// Copy constructor: creates a copy of a FileAccPropList object.
FileAccPropList( const FileAccPropList& original );
// Creates a copy of an existing file access property list
// using the property list id.
FileAccPropList (const hid_t plist_id);
// Noop destructor
virtual ~FileAccPropList();
};
#ifndef H5_NO_NAMESPACE
}
#endif
#endif
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