Move InMemoryBackend and FileBackend exports into backends module

src/backends.rs

@@ -0,0 +1,2 @@
+pub use crate::tree_store::file_backend::FileBackend;
+pub use crate::tree_store::InMemoryBackend;

src/db.rs

@@ -25,6 +25,7 @@ use crate::error::TransactionError;
 use crate::multimap_table::{parse_subtree_roots, DynamicCollection};
 use crate::sealed::Sealed;
 use crate::transactions::SAVEPOINT_TABLE;
+use crate::tree_store::file_backend::FileBackend;
 #[cfg(feature = "logging")]
 use log::{info, warn};
 
@@ -814,7 +815,7 @@ impl Builder {
             .open(path)?;
 
         Database::new(
-            Box::new(crate::FileBackend::new(file)?),
+            Box::new(FileBackend::new(file)?),
             self.page_size,
             self.region_size,
             self.read_cache_size_bytes,
@@ -831,7 +832,7 @@ impl Builder {
         }
 
         Database::new(
-            Box::new(crate::FileBackend::new(file)?),
+            Box::new(FileBackend::new(file)?),
             self.page_size,
             None,
             self.read_cache_size_bytes,
@@ -844,7 +845,7 @@ impl Builder {
     /// The file must be empty or contain a valid database.
     pub fn create_file(&self, file: File) -> Result<Database, DatabaseError> {
         Database::new(
-            Box::new(crate::FileBackend::new(file)?),
+            Box::new(FileBackend::new(file)?),
             self.page_size,
             self.region_size,
             self.read_cache_size_bytes,

src/lib.rs

@@ -66,15 +66,15 @@ pub use multimap_table::{
 };
 pub use table::{Drain, DrainFilter, Range, ReadOnlyTable, ReadableTable, Table};
 pub use transactions::{DatabaseStats, Durability, ReadTransaction, WriteTransaction};
-pub use tree_store::file_backend::FileBackend;
-pub use tree_store::{AccessGuard, AccessGuardMut, InMemoryBackend, Savepoint};
+pub use tree_store::{AccessGuard, AccessGuardMut, Savepoint};
 pub use types::{RedbKey, RedbValue, TypeName};
 
 type Result<T = (), E = StorageError> = std::result::Result<T, E>;
 
 #[cfg(feature = "python")]
 pub use crate::python::redb;
 
+pub mod backends;
 mod complex_types;
 mod db;
 mod error;

src/tree_store/page_store/header.rs

@@ -405,6 +405,7 @@ impl TransactionHeader {
 
 #[cfg(test)]
 mod test {
+    use crate::backends::FileBackend;
     use crate::db::TableDefinition;
     use crate::tree_store::page_store::header::{
         GOD_BYTE_OFFSET, MAGICNUMBER, PAGE_SIZE, PRIMARY_BIT, RECOVERY_REQUIRED,
@@ -413,7 +414,7 @@ mod test {
     use crate::tree_store::page_store::TransactionalMemory;
     #[cfg(not(target_os = "windows"))]
     use crate::StorageError;
-    use crate::{Database, FileBackend, ReadableTable};
+    use crate::{Database, ReadableTable};
     use std::fs::OpenOptions;
     use std::io::{Read, Seek, SeekFrom, Write};
     use std::mem::size_of;