CassUuid¶

struct CassUuid¶

Version 1 (time-based) or version 4 (random) UUID.

Public Functions

void cass_uuid_min_from_time(cass_uint64_t time, CassUuid *output)¶

Sets the UUID to the minimum V1 (time) value for the specified time.

Parameters

• time – [in]

• output – [out] A minimum V1 UUID for the specified time.

void cass_uuid_max_from_time(cass_uint64_t time, CassUuid *output)¶

Sets the UUID to the maximum V1 (time) value for the specified time.

Parameters

• time – [in]

• output – [out] A maximum V1 UUID for the specified time.

cass_uint64_t cass_uuid_timestamp(CassUuid uuid)¶

Gets the timestamp for a V1 UUID

Parameters

uuid – [in]

Returns

The timestamp in milliseconds since the Epoch (00:00:00 UTC on 1 January 1970). 0 returned if the UUID is not V1.

cass_uint8_t cass_uuid_version(CassUuid uuid)¶

Gets the version for a UUID

Parameters

uuid – [in]

Returns

The version of the UUID (1 or 4)

void cass_uuid_string(CassUuid uuid, char *output)¶

Returns a null-terminated string for the specified UUID.

Parameters

• uuid – [in]

• output – [out] A null-terminated string of length CASS_UUID_STRING_LENGTH.

CassError cass_uuid_from_string(const char *str, CassUuid *output)¶

Returns a UUID for the specified string.

Example: “550e8400-e29b-41d4-a716-446655440000”

Parameters

• str – [in]

• output – [out]

CassError cass_uuid_from_string_n(const char *str, size_t str_length, CassUuid *output)¶

Same as cass_uuid_from_string(), but with lengths for string parameters.

See also

cass_uuid_from_string()

Parameters

• str – [in]

• str_length – [in]

• output – [out]

Returns

same as cass_uuid_from_string()