AMI_STREAM< T > Class Template Reference

#include <ami_stream.h>

Inheritance diagram for AMI_STREAM< T >:

Collaboration diagram for AMI_STREAM< T >:

Public Member Functions
	AMI_STREAM ()
	AMI_STREAM (const char *path_name, AMI_stream_type st=AMI_READ_WRITE_STREAM)
AMI_err	new_substream (AMI_stream_type st, off_t sub_begin, off_t sub_end, AMI_STREAM< T > **sub_stream)
	~AMI_STREAM (void)
AMI_err	read_item (T **elt)
AMI_err	write_item (const T &elt)
AMI_err	read_array (T *data, off_t len, off_t *lenp=NULL)
AMI_err	write_array (const T *data, off_t len)
off_t	stream_len (void)
AMI_err	name (char **stream_name)
const char *	name () const
AMI_err	seek (off_t offset)
void	persist (persistence p)
char *	sprint ()
int	eof ()

Static Public Member Functions
static AMI_err	main_memory_usage (size_t *usage, MM_stream_usage usage_type=MM_STREAM_USAGE_OVERHEAD)
Static Public Member Functions inherited from UntypedStream
static unsigned int	get_block_length ()

Protected Attributes
T	read_tmp
Protected Attributes inherited from UntypedStream
FILE *	fp
int	fildes
AMI_stream_type	access_mode
char	path [BUFSIZ]
persistence	per
unsigned int	substream_level
off_t	logical_bos
off_t	logical_eos
char *	buf
int	eof_reached

Detailed Description

template<class T>
class AMI_STREAM< T >

Definition at line 153 of file ami_stream.h.

Constructor & Destructor Documentation

AMI_STREAM() [1/2]

template<class T >

AMI_STREAM< T >::AMI_STREAM

Definition at line 227 of file ami_stream.h.

References AMI_READ_WRITE_STREAM, ami_single_temp_name(), BASE_NAME, open_stream(), PERSIST_DELETE, and STREAM_BUFFER_SIZE.

AMI_STREAM() [2/2]

template<class T >

AMI_STREAM< T >::AMI_STREAM	(	const char *	path_name,
		AMI_stream_type	st = AMI_READ_WRITE_STREAM
	)

Definition at line 264 of file ami_stream.h.

References AMI_READ_STREAM, ami_single_temp_name(), BASE_NAME, NULL, open_stream(), PERSIST_DELETE, PERSIST_PERSISTENT, st, strcpy, and STREAM_BUFFER_SIZE.

~AMI_STREAM()

template<class T >

AMI_STREAM< T >::~AMI_STREAM

(

void

)

Definition at line 500 of file ami_stream.h.

References assert, DEBUG_ASSERT, DEBUG_DELETE, PERSIST_PERSISTENT, and unlink.

Member Function Documentation

eof()

template<class T >

int AMI_STREAM< T >::eof

Definition at line 662 of file ami_stream.h.

main_memory_usage()

template<class T >

AMI_err AMI_STREAM< T >::main_memory_usage ( size_t *  usage, MM_stream_usage  usage_type = MM_STREAM_USAGE_OVERHEAD  )

static

Definition at line 477 of file ami_stream.h.

name() [1/2]

template<class T >

const char * AMI_STREAM< T >::name

Definition at line 437 of file ami_stream.h.

name() [2/2]

template<class T >

AMI_err AMI_STREAM< T >::name

(

char **

stream_name

)

Definition at line 426 of file ami_stream.h.

References AMI_ERROR_NO_ERROR, and strcpy.

new_substream()

template<class T >

AMI_err AMI_STREAM< T >::new_substream	(	AMI_stream_type	st,
		off_t	sub_begin,
		off_t	sub_end,
		AMI_STREAM< T > **	sub_stream
	)

Definition at line 313 of file ami_stream.h.

References AMI_ERROR_NO_ERROR, AMI_ERROR_OUT_OF_RANGE, AMI_READ_STREAM, assert, UntypedStream::eof_reached, UntypedStream::logical_bos, UntypedStream::logical_eos, UntypedStream::per, AMI_STREAM< T >::seek(), st, and UntypedStream::substream_level.

persist()

template<class T >

void AMI_STREAM< T >::persist

(

persistence

p

)

Definition at line 639 of file ami_stream.h.

read_array()

template<class T >

AMI_err AMI_STREAM< T >::read_array	(	T *	data,
		off_t	len,
		off_t *	lenp = NULL
	)

Definition at line 554 of file ami_stream.h.

read_item()

template<class T >

AMI_err AMI_STREAM< T >::read_item

(

T **

elt

)

Definition at line 525 of file ami_stream.h.

References AMI_ERROR_END_OF_STREAM, AMI_ERROR_IO_ERROR, AMI_ERROR_NO_ERROR, assert, and G_ftell().

Referenced by em_pqueue< T, Key >::em_pqueue(), em_pqueue< T, Key >::empty_buff(), em_buffer< T, Key >::insert(), and em_pqueue< T, Key >::merge_buffer().

seek()

template<class T >

AMI_err AMI_STREAM< T >::seek

(

off_t

offset

)

Definition at line 445 of file ami_stream.h.

References AMI_ERROR_NO_ERROR, assert, DEBUG_ASSERT, and G_fseek().

Referenced by em_pqueue< T, Key >::em_pqueue(), em_pqueue< T, Key >::empty_buff(), em_buffer< T, Key >::insert(), and AMI_STREAM< T >::new_substream().

sprint()

template<class T >

char * AMI_STREAM< T >::sprint

Definition at line 652 of file ami_stream.h.

stream_len()

template<class T >

off_t AMI_STREAM< T >::stream_len

(

void

)

Definition at line 375 of file ami_stream.h.

References assert, DEBUG_ASSERT, DEBUG_STREAM_LEN, G_fseek(), and G_ftell().

Referenced by em_pqueue< T, Key >::empty_buff(), and EMPQueueAdaptive< T, Key >::makeExternal().

write_array()

template<class T >

AMI_err AMI_STREAM< T >::write_array	(	const T *	data,
		off_t	len
	)

Definition at line 613 of file ami_stream.h.

write_item()

template<class T >

AMI_err AMI_STREAM< T >::write_item

(

const T &

elt

)

Definition at line 588 of file ami_stream.h.

References AMI_ERROR_END_OF_STREAM, AMI_ERROR_NO_ERROR, assert, DEBUG_ASSERT, and G_ftell().

Referenced by em_pqueue< T, Key >::em_pqueue(), EMPQueueAdaptive< T, Key >::makeExternal(), and im_buffer< T >::save2str().

Field Documentation

read_tmp

template<class T >

T AMI_STREAM< T >::read_tmp

protected

Definition at line 156 of file ami_stream.h.

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

• ami_stream.h