Class: OCI8::BFILE
Instance Method Summary collapse
-
#dir_alias ⇒ String
Returns the directory object name.
-
#dir_alias=(name) ⇒ Object
Changes the directory object name.
-
#exists? ⇒ true or false
Returns
true
when the BFILE exists on the server’s operating system. -
#filename ⇒ String
Returns the file name.
-
#filename=(name) ⇒ Object
Changes the file name.
-
#initialize(conn, dir_alias = nil, filename = nil) ⇒ OCI8::BFILE
constructor
Creates a BFILE object.
- #size( = length) ⇒ Object
-
#size=(dummy) ⇒ Object
call-seq: write(data).
-
#truncate(dummy) ⇒ Object
call-seq: write(data).
-
#write(dummy) ⇒ Object
call-seq: write(data).
Methods inherited from LOB
#available?, #chunk_size, #close, #eof?, #pos, #read, #rewind, #seek
Constructor Details
#initialize(conn, dir_alias = nil, filename = nil) ⇒ OCI8::BFILE
Creates a BFILE object. This is correspond to BFILENAME.
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# File 'ext/oci8/lob.c', line 793
static VALUE oci8_bfile_initialize(int argc, VALUE *argv, VALUE self)
{
oci8_lob_t *lob = DATA_PTR(self);
VALUE svc;
VALUE dir_alias;
VALUE filename;
int rv;
rb_scan_args(argc, argv, "12", &svc, &dir_alias, &filename);
TO_SVCCTX(svc); /* check argument type */
rv = OCIDescriptorAlloc(oci8_envhp, &lob->base.hp.ptr, OCI_DTYPE_LOB, 0, NULL);
if (rv != OCI_SUCCESS) {
oci8_env_raise(oci8_envhp, rv);
}
lob->base.type = OCI_DTYPE_LOB;
lob->svc = svc;
lob->pos = 0;
lob->char_width = 1;
lob->csfrm = SQLCS_IMPLICIT;
lob->lobtype = OCI_TEMP_BLOB;
lob->state = S_BFILE_CLOSE;
if (argc != 1) {
OCI8SafeStringValue(dir_alias);
OCI8SafeStringValue(filename);
oci8_bfile_set_name(self, dir_alias, filename);
}
oci8_link_to_parent((oci8_base_t*)lob, (oci8_base_t*)DATA_PTR(svc));
return Qnil;
}
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Instance Method Details
#dir_alias ⇒ String
Returns the directory object name.
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# File 'ext/oci8/lob.c', line 828
static VALUE oci8_bfile_get_dir_alias(VALUE self)
{
VALUE dir_alias;
oci8_bfile_get_name(self, &dir_alias, NULL);
return dir_alias;
}
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#dir_alias=(name) ⇒ Object
Changes the directory object name.
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# File 'ext/oci8/lob.c', line 857
static VALUE oci8_bfile_set_dir_alias(VALUE self, VALUE dir_alias)
{
VALUE filename;
OCI8SafeStringValue(dir_alias);
oci8_bfile_get_name(self, NULL, &filename);
oci8_bfile_set_name(self, dir_alias, filename);
rb_ivar_set(self, id_dir_alias, dir_alias);
return dir_alias;
}
|
#exists? ⇒ true or false
Returns true
when the BFILE exists on the server’s operating system.
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# File 'ext/oci8/lob.c', line 892
static VALUE oci8_bfile_exists_p(VALUE self)
{
oci8_lob_t *lob = DATA_PTR(self);
oci8_svcctx_t *svcctx = oci8_get_svcctx(lob->svc);
boolean flag;
chker2(OCILobFileExists_nb(svcctx, svcctx->base.hp.svc, oci8_errhp, lob->base.hp.lob, &flag),
&svcctx->base);
return flag ? Qtrue : Qfalse;
}
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#filename ⇒ String
Returns the file name.
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# File 'ext/oci8/lob.c', line 841
static VALUE oci8_bfile_get_filename(VALUE self)
{
VALUE filename;
oci8_bfile_get_name(self, NULL, &filename);
return filename;
}
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#filename=(name) ⇒ Object
Changes the file name.
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# File 'ext/oci8/lob.c', line 876
static VALUE oci8_bfile_set_filename(VALUE self, VALUE filename)
{
VALUE dir_alias;
OCI8SafeStringValue(filename);
oci8_bfile_get_name(self, &dir_alias, NULL);
oci8_bfile_set_name(self, dir_alias, filename);
rb_ivar_set(self, id_filename, filename);
return filename;
}
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#size( = length) ⇒ Object
#size=(dummy) ⇒ Object
call-seq:
write(data)
Raises RuntimeError
.
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# File 'ext/oci8/lob.c', line 936
static VALUE oci8_bfile_error(VALUE self, VALUE dummy)
{
rb_raise(rb_eRuntimeError, "cannot modify a read-only BFILE object");
}
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#truncate(dummy) ⇒ Object
call-seq:
write(data)
Raises RuntimeError
.
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# File 'ext/oci8/lob.c', line 205
static VALUE oci8_bfile_error(VALUE self, VALUE dummy)
{
rb_raise(rb_eRuntimeError, "cannot modify a read-only BFILE object");
}
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#write(dummy) ⇒ Object
call-seq:
write(data)
Raises RuntimeError
.
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# File 'ext/oci8/lob.c', line 205
static VALUE oci8_bfile_error(VALUE self, VALUE dummy)
{
rb_raise(rb_eRuntimeError, "cannot modify a read-only BFILE object");
}
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