pub struct WalObjectBuilder { /* private fields */ }Expand description
Builder for combined CKWL objects.
Implementations§
Source§impl WalObjectBuilder
impl WalObjectBuilder
pub fn new() -> Self
pub fn body_len(&self) -> usize
pub fn is_empty(&self) -> bool
Sourcepub fn append_run(
&mut self,
topic_id: Uuid,
partition: i32,
first_offset: i64,
last_offset: i64,
run: &[u8],
) -> Result<(), WalObjectError>
pub fn append_run( &mut self, topic_id: Uuid, partition: i32, first_offset: i64, last_offset: i64, run: &[u8], ) -> Result<(), WalObjectError>
Append one contiguous partition run.
§Errors
Returns WalObjectError::TooLarge, and leaves the builder unchanged,
if the run does not fit the CKWL u32 length field.
Sourcepub fn finish(self) -> Result<Bytes, WalObjectError>
pub fn finish(self) -> Result<Bytes, WalObjectError>
Frame the appended runs as one CKWL object.
§Errors
Returns WalObjectError::TooLarge if the footer does not fit the
CKWL u32 length field. No partial object is returned.
Sourcepub fn finish_with_run(
self,
topic_id: Uuid,
partition: i32,
first_offset: i64,
last_offset: i64,
run: &[u8],
) -> Result<Bytes, WalObjectError>
pub fn finish_with_run( self, topic_id: Uuid, partition: i32, first_offset: i64, last_offset: i64, run: &[u8], ) -> Result<Bytes, WalObjectError>
Append one run and finish the object.
§Errors
Returns WalObjectError::TooLarge if the run or footer does not fit
the CKWL u32 length fields.
Trait Implementations§
Source§impl Default for WalObjectBuilder
impl Default for WalObjectBuilder
Source§fn default() -> WalObjectBuilder
fn default() -> WalObjectBuilder
Auto Trait Implementations§
impl Freeze for WalObjectBuilder
impl RefUnwindSafe for WalObjectBuilder
impl Send for WalObjectBuilder
impl Sync for WalObjectBuilder
impl Unpin for WalObjectBuilder
impl UnsafeUnpin for WalObjectBuilder
impl UnwindSafe for WalObjectBuilder
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