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// Copyright 2023 The RocketMQ Rust Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std::fmt::Display;
#[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
pub enum PullStatus {
/// Founded
#[default]
Found,
/// No new message can be pulled
NoNewMsg,
/// Filtering results do not match
NoMatchedMsg,
/// Illegal offset, may be too big or too small
OffsetIllegal,
}
impl From<i32> for PullStatus {
fn from(i: i32) -> Self {
match i {
0 => PullStatus::Found,
1 => PullStatus::NoNewMsg,
2 => PullStatus::NoMatchedMsg,
3 => PullStatus::OffsetIllegal,
_ => PullStatus::Found,
}
}
}
impl From<PullStatus> for i32 {
fn from(p: PullStatus) -> Self {
match p {
PullStatus::Found => 0,
PullStatus::NoNewMsg => 1,
PullStatus::NoMatchedMsg => 2,
PullStatus::OffsetIllegal => 3,
}
}
}
impl Display for PullStatus {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
PullStatus::Found => write!(f, "FOUND"),
PullStatus::NoNewMsg => write!(f, "NO_NEW_MSG"),
PullStatus::NoMatchedMsg => write!(f, "NO_MATCHED_MSG"),
PullStatus::OffsetIllegal => write!(f, "OFFSET_ILLEGAL"),
}
}
}