Class: Informix::Slob::Stat

Inherits:

Object

• Object
• Informix::Slob::Stat

Includes:

Comparable

Defined in:

ext/informixc.c

Instance Method Summary

• #<=>(other) ⇒ Object

  stat <=> other_stat => -1, 0, 1.

• #atime ⇒ Object

  stat.atime => time.

• #ctime ⇒ Object

  stat.ctime => time.

• #initialize(slob) ⇒ Object constructor

  Slob::Stat.new(slob) => stat.

• #mtime ⇒ Object

  stat.mtime => time.

• #refcnt ⇒ Object

  stat.refcnt => fixnum.

• #size ⇒ Object

  stat.size => fixnum or bignum.

Constructor Details

#initialize(slob) ⇒ Object

Slob::Stat.new(slob) => stat

Creates an Slob::Stat object with status information for the given Slob object.

# File 'ext/informixc.c', line 331

static VALUE
rb_slobstat_initialize(VALUE self, VALUE slob)
{
  mint ret;
  slob_t *sb;
  slobstat_t *stat;
  ifx_lo_stat_t *st;
/*
 *  EXEC SQL begin declare section;
 */
#line 284 "informixc.ec"
#line 285 "informixc.ec"
  char *did;
/*
 *  EXEC SQL end   declare section;
 */
#line 286 "informixc.ec"


  Data_Get_Struct(slob, slob_t, sb);
  Data_Get_Struct(self, slobstat_t, stat);

  if (sb->fd == -1)
    rb_raise(rb_eProgrammingError,
      "Open the Slob object before getting its status");

  did = sb->database_id;
/*
 *  EXEC SQL set connection :did;
 */
#line 296 "informixc.ec"
  {
#line 296 "informixc.ec"
  sqli_connect_set(0, did, 0);
#line 296 "informixc.ec"
  }
  if (SQLCODE < 0)
    raise_ifx_extended();

  ret = ifx_lo_stat(sb->fd, &st);

  if (ret < 0)
    raise_ifx_extended();

  stat->atime = ifx_lo_stat_atime(st);
  stat->ctime = ifx_lo_stat_ctime(st);
  stat->mtime = ifx_lo_stat_mtime_sec(st);
  stat->refcnt = ifx_lo_stat_refcnt(st);
  ret = ifx_lo_stat_size(st, &stat->size);

  ifx_lo_stat_free(st);

  if (stat->atime == -1 || stat->ctime == -1 || stat->mtime == -1 ||
      stat->refcnt == -1 || ret == -1) {
    rb_raise(rb_eOperationalError, "Unable to get status");
  }

  return self;
}

Instance Method Details

#<=>(other) ⇒ Object

stat <=> other_stat => -1, 0, 1

Compares with another Slob::Stat object by comparing their modification times.

# File 'ext/informixc.c', line 398

static VALUE
rb_slobstat_cmp(VALUE self, VALUE other)
{
  if (rb_obj_is_kind_of(other, rb_obj_class(self))) {
    slobstat_t *stat;
    time_t t1, t2;

    Data_Get_Struct(self, slobstat_t, stat);  t1 = stat->mtime;
    Data_Get_Struct(other, slobstat_t, stat); t2 = stat->mtime;

    if (t1 == t2)
      return INT2FIX(0);
    else if (t1 < t2)
      return INT2FIX(-1);
    else
      return INT2FIX(1);
  }

  return Qnil;
}

#atime ⇒ Object

stat.atime => time

Returns the time of last access as a Time object.

# File 'ext/informixc.c', line 425

static VALUE
rb_slobstat_atime(VALUE self)
{
  slobstat_t *stat;

  Data_Get_Struct(self, slobstat_t, stat);
  return rb_time_new(stat->atime, 0);
}

#ctime ⇒ Object

stat.ctime => time

Returns the time of last change in status as a Time object.

# File 'ext/informixc.c', line 440

static VALUE
rb_slobstat_ctime(VALUE self)
{
  slobstat_t *stat;

  Data_Get_Struct(self, slobstat_t, stat);
  return rb_time_new(stat->ctime, 0);
}

#mtime ⇒ Object

stat.mtime => time

Returns the time of last modification as a Time object.

# File 'ext/informixc.c', line 455

static VALUE
rb_slobstat_mtime(VALUE self)
{
  slobstat_t *stat;

  Data_Get_Struct(self, slobstat_t, stat);
  return rb_time_new(stat->mtime, 0);
}

#refcnt ⇒ Object

stat.refcnt => fixnum

Returns the number of references

# File 'ext/informixc.c', line 470

static VALUE
rb_slobstat_refcnt(VALUE self)
{
  slobstat_t *stat;

  Data_Get_Struct(self, slobstat_t, stat);
  return INT2FIX(stat->refcnt);
}

#size ⇒ Object

stat.size => fixnum or bignum

Returns the size in bytes

# File 'ext/informixc.c', line 485

static VALUE
rb_slobstat_size(VALUE self)
{
  slobstat_t *stat;
  VALUE size;

  Data_Get_Struct(self, slobstat_t, stat);
  INT82NUM(&stat->size, size);

  return size;
}