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use std::fmt;
use std::ops::Deref;
use crate::types::SequenceNumber;
pub struct ColumnFamilyMetaData {
pub size: u64,
pub file_count: usize,
pub name: String,
pub levels: Vec<LevelMetaData>,
}
impl fmt::Debug for ColumnFamilyMetaData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("ColumnFamilyMetaData")
.field("name", &self.name)
.field("file_count", &self.file_count)
.field("size", &self.size)
.finish()?;
write!(f, "\n")?;
for level in &self.levels {
write!(f, " > {:?}\n", level)?;
}
Ok(())
}
}
pub struct LevelMetaData {
pub level: u32,
pub size: u64,
pub files: Vec<SstFileMetaData>,
}
impl fmt::Debug for LevelMetaData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("LevelMetaData")
.field("level", &self.level)
.field("files", &self.files)
.finish()
}
}
pub struct SstFileMetaData {
pub size: u64,
pub name: String,
pub db_path: String,
pub smallest_seqno: SequenceNumber,
pub largest_seqno: SequenceNumber,
pub smallestkey: Vec<u8>,
pub largestkey: Vec<u8>,
pub being_compacted: bool,
}
impl fmt::Debug for SstFileMetaData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("SstFile").field("name", &self.name).finish()
}
}
pub struct LiveFileMetaData {
pub sst_file: SstFileMetaData,
pub column_family_name: String,
pub level: u32,
}
impl Deref for LiveFileMetaData {
type Target = SstFileMetaData;
fn deref(&self) -> &SstFileMetaData {
&self.sst_file
}
}
impl fmt::Debug for LiveFileMetaData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("LiveFile")
.field("name", &self.name)
.field("column_family_name", &self.column_family_name)
.field("level", &self.level)
.field("db_path", &self.db_path)
.field("smallestkey", &String::from_utf8_lossy(&self.smallestkey))
.field("largestkey", &String::from_utf8_lossy(&self.largestkey))
.field("being_compacted", &self.being_compacted)
.field("size", &self.size)
.finish()
}
}