Struct MessageBatch 

pub struct MessageBatch {
    pub final_message: Message,
    pub messages: Vec<Message>,
}

Fields

final_message: Message

final_message stores the batch-encoded messages.

messages: Vec<Message>

messages stores the batch of initialized messages.

Implementations

impl MessageBatch

pub fn encode(&self) -> Bytes

Encode all messages in the batch.

pub fn iter(&self) -> Iter<'_, Message>

Get an iterator over the messages in the batch.

pub fn len(&self) -> usize

Get the number of messages in the batch.

pub fn is_empty(&self) -> bool

Check if the batch is empty.

pub fn generate_from_vec<M>(messages: Vec<M>) -> RocketMQResult<MessageBatch>

where M: MessageTrait,

Trait Implementations

impl Clone for MessageBatch

fn clone(&self) -> MessageBatch

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MessageBatch

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for MessageBatch

fn default() -> MessageBatch

Returns the “default value” for a type.

impl Display for MessageBatch

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'a> IntoIterator for &'a MessageBatch

type Item = &'a Message

The type of the elements being iterated over.

type IntoIter = Iter<'a, Message>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl IntoIterator for MessageBatch

type Item = Message

The type of the elements being iterated over.

type IntoIter = IntoIter<Message>

Which kind of iterator are we turning this into?

fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value.

impl MessageTrait for MessageBatch

fn put_property(&mut self, key: CheetahString, value: CheetahString)

Adds a property to the message.

fn clear_property(&mut self, name: &str)

Removes the specified property from the message.

fn property(&self, name: &CheetahString) -> Option<CheetahString>

Retrieves a property value.

fn property_ref(&self, name: &CheetahString) -> Option<&CheetahString>

Retrieves a reference to a property value.

fn topic(&self) -> &CheetahString

Returns the topic of the message.

fn set_topic(&mut self, topic: CheetahString)

Sets the topic for the message.

fn get_flag(&self) -> i32

Returns the flag associated with the message.

fn set_flag(&mut self, flag: i32)

Sets the flag for the message.

fn get_body(&self) -> Option<&Bytes>

Returns the body of the message.

fn set_body(&mut self, body: Bytes)

Sets the body of the message.

fn get_properties(&self) -> &HashMap<CheetahString, CheetahString>

Returns all properties associated with the message.

fn set_properties(&mut self, properties: HashMap<CheetahString, CheetahString>)

Sets multiple properties for the message.

fn transaction_id(&self) -> Option<&CheetahString>

Retrieves the transaction ID associated with the message.

fn set_transaction_id(&mut self, transaction_id: CheetahString)

Sets the transaction ID for the message.

fn get_compressed_body_mut(&mut self) -> Option<&mut Bytes>

Returns a mutable reference to the compressed body of the message.

fn get_compressed_body(&self) -> Option<&Bytes>

Returns a reference to the compressed body of the message.

fn set_compressed_body_mut(&mut self, compressed_body: Bytes)

Sets the compressed body of the message.

fn take_body(&mut self) -> Option<Bytes>

Takes ownership of the message body, leaving it empty.

fn as_any(&self) -> &dyn Any

Returns a reference to the message as a trait object.

fn as_any_mut(&mut self) -> &mut dyn Any

Returns a mutable reference to the message as a trait object.

fn set_keys(&mut self, keys: CheetahString)

Sets the keys for the message.

fn put_user_property( &mut self, name: CheetahString, value: CheetahString, ) -> RocketMQResult<()>

Adds a user-defined property to the message.

fn user_property(&self, name: &CheetahString) -> Option<CheetahString>

Retrieves a user-defined property value.

fn user_property_ref(&self, name: &CheetahString) -> Option<&CheetahString>

Retrieves a reference to a user-defined property value.

fn tags(&self) -> Option<CheetahString>

Returns the tags associated with the message.

fn tags_ref(&self) -> Option<&CheetahString>

Returns a reference to the tags associated with the message.

fn set_tags(&mut self, tags: CheetahString)

Sets the tags for the message.

fn get_keys(&self) -> Option<CheetahString>

Returns the keys associated with the message.

fn get_keys_ref(&self) -> Option<&CheetahString>

Returns a reference to the keys associated with the message.

fn set_keys_from_collection(&mut self, key_collection: Vec<String>)

Sets the message keys from a collection, joining them with spaces.

fn delay_time_level(&self) -> i32

Returns the delay time level of the message, or 0 if not set.

fn set_delay_time_level(&mut self, level: i32)

Sets the delay time level for the message.

fn is_wait_store_msg_ok(&self) -> bool

Returns whether the message should wait for store acknowledgment.

fn set_wait_store_msg_ok(&mut self, wait_store_msg_ok: bool)

Sets whether the message should wait for store acknowledgment.

fn set_instance_id(&mut self, instance_id: CheetahString)

Sets the instance ID for the message.

fn buyer_id(&self) -> Option<CheetahString>

Returns the buyer ID associated with the message.

fn buyer_id_ref(&self) -> Option<&CheetahString>

Returns a reference to the buyer ID associated with the message.

fn set_buyer_id(&mut self, buyer_id: CheetahString)

Sets the buyer ID for the message.

fn set_delay_time_sec(&mut self, sec: u64)

Sets the delay time for the message in seconds.

fn get_delay_time_sec(&self) -> u64

Returns the delay time for the message in seconds, or 0 if not set.

fn set_delay_time_ms(&mut self, time_ms: u64)

Sets the delay time for the message in milliseconds.

fn get_delay_time_ms(&self) -> u64

Returns the delay time for the message in milliseconds, or 0 if not set.

fn set_deliver_time_ms(&mut self, time_ms: u64)

Sets the delivery time for the message in milliseconds.

fn get_deliver_time_ms(&self) -> u64

Returns the delivery time for the message in milliseconds, or 0 if not set.