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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*-------------------------------------------------------------------------
*
* Created: H5Pocpl.c
* Nov 28 2006
* Quincey Koziol <koziol@hdfgroup.org>
*
* Purpose: Object creation property list class routines
*
*-------------------------------------------------------------------------
*/
/****************/
/* Module Setup */
/****************/
#define H5P_PACKAGE /*suppress error about including H5Ppkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Iprivate.h" /* IDs */
#include "H5Ppkg.h" /* Property lists */
/****************/
/* Local Macros */
/****************/
/* ========= Object Creation properties ============ */
/* Definitions for the max. # of attributes to store compactly */
#define H5O_CRT_ATTR_MAX_COMPACT_SIZE sizeof(unsigned)
#define H5O_CRT_ATTR_MAX_COMPACT_DEF 8
/* Definitions for the min. # of attributes to store densely */
#define H5O_CRT_ATTR_MIN_DENSE_SIZE sizeof(unsigned)
#define H5O_CRT_ATTR_MIN_DENSE_DEF 6
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Package Typedefs */
/********************/
/********************/
/* Local Prototypes */
/********************/
/* Property class callbacks */
static herr_t H5P_ocrt_reg_prop(H5P_genclass_t *pclass);
/*********************/
/* Package Variables */
/*********************/
/* Object creation property list class library initialization object */
const H5P_libclass_t H5P_CLS_OCRT[1] = {{
"object create", /* Class name for debugging */
&H5P_CLS_ROOT_g, /* Parent class ID */
&H5P_CLS_OBJECT_CREATE_g, /* Pointer to class ID */
NULL, /* Pointer to default property list ID */
H5P_ocrt_reg_prop, /* Default property registration routine */
NULL, /* Class creation callback */
NULL, /* Class creation callback info */
NULL, /* Class copy callback */
NULL, /* Class copy callback info */
NULL, /* Class close callback */
NULL /* Class close callback info */
}};
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5P_ocrt_reg_prop
*
* Purpose: Initialize the object creation property list class
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* November 28, 2006
*-------------------------------------------------------------------------
*/
static herr_t
H5P_ocrt_reg_prop(H5P_genclass_t *pclass)
{
unsigned attr_max_compact = H5O_CRT_ATTR_MAX_COMPACT_DEF; /* Default max. compact attribute storage settings */
unsigned attr_min_dense = H5O_CRT_ATTR_MIN_DENSE_DEF; /* Default min. dense attribute storage settings */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5P_ocrt_reg_prop)
/* Register max. compact attribute storage property */
if(H5P_register(pclass, H5O_CRT_ATTR_MAX_COMPACT_NAME, H5O_CRT_ATTR_MAX_COMPACT_SIZE,
&attr_max_compact, NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
/* Register min. dense attribute storage property */
if(H5P_register(pclass, H5O_CRT_ATTR_MIN_DENSE_NAME, H5O_CRT_ATTR_MIN_DENSE_SIZE,
&attr_min_dense, NULL, NULL, NULL, NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5P_ocrt_reg_prop() */
/*-------------------------------------------------------------------------
* Function: H5Pset_attr_phase_change
*
* Purpose: Sets the cutoff values for indexes storing attributes
* in object headers for this file. If more than max_compact
* attributes are in an object header, the attributes will be
* moved to a heap and indexed with a B-tree.
* Likewise, an object header containing fewer than min_dense
* attributes will be converted back to storing the attributes
* directly in the object header.
*
* If the max_compact is zero then attributes for this object will
* never be stored in the object header but will be always be
* stored in a heap.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, November 28, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pset_attr_phase_change(hid_t plist_id, unsigned max_compact, unsigned min_dense)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(H5Pset_attr_phase_change, FAIL)
H5TRACE3("e","iIuIu",plist_id,max_compact,min_dense);
/* Range check values */
if(max_compact < min_dense)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "max compact value must be >= min dense value")
if(max_compact > 65535)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "max compact value must be < 65536")
if(min_dense > 65535)
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "min dense value must be < 65536")
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Set property values */
if(H5P_set(plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, &max_compact) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set max. # of compact attributes in property list")
if(H5P_set(plist, H5O_CRT_ATTR_MIN_DENSE_NAME, &min_dense) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set min. # of dense attributes in property list")
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pset_attr_phase_change */
/*-------------------------------------------------------------------------
* Function: H5Pget_attr_phase_change
*
* Purpose: Gets the phase change values for attribute storage
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Quincey Koziol
* Tuesday, November 28, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5Pget_attr_phase_change(hid_t plist_id, unsigned *max_compact, unsigned *min_dense)
{
H5P_genplist_t *plist; /* Property list pointer */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_API(H5Pget_attr_phase_change, FAIL)
H5TRACE3("e","i*Iu*Iu",plist_id,max_compact,min_dense);
/* Get the plist structure */
if(NULL == (plist = H5P_object_verify(plist_id, H5P_OBJECT_CREATE)))
HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
/* Get values */
if(max_compact) {
if(H5P_get(plist, H5O_CRT_ATTR_MAX_COMPACT_NAME, max_compact) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get max. # of compact attributes")
} /* end if */
if(min_dense) {
if(H5P_get(plist, H5O_CRT_ATTR_MIN_DENSE_NAME, min_dense) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get min. # of dense attributes")
} /* end if */
done:
FUNC_LEAVE_API(ret_value)
} /* end H5Pget_attr_phase_change() */
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