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authorGravatar Greg Soltis <gsoltis@google.com>2018-03-22 15:45:05 -0700
committerGravatar GitHub <noreply@github.com>2018-03-22 15:45:05 -0700
commit4afaafdc770612185c4e11d3f09226ce168462a5 (patch)
tree21c912e4c719a1b0a0961457017efce1f4b385c0 /Firestore/Source/Local/FSTLevelDBQueryCache.h
parent1e769d708459ff64ca3571ab562377cc56a9d637 (diff)
Change write groups to use transactions (#912)
* Start work on leveldb transactions * Style * Working API. Not plumbed in yet * Move files into correct place * Wrangling file locations and associations * Tests pass * Add some comments * style * Fix copyright * Rewrite iterator internals to handle deletion-while-iterating. Also add tests for same * Switch to strings instead of slices * Style * More style fixes * Start switching writegroup over * Swap out write group tracking for transaction usage * Style * Response to feedback before updating docs * Style * Add comment * Initialize version_ * Satisfy the linter * Start switching writegroup over * Swap out write group tracking for transaction usage * Style * Checkpoint before implementing BatchDescription * Style * Everything passing * Drop unused function * Style * Renaming * Style * Add log line * Style * Add debug log line for commits, drop unused BatchDescription
Diffstat (limited to 'Firestore/Source/Local/FSTLevelDBQueryCache.h')
-rw-r--r--Firestore/Source/Local/FSTLevelDBQueryCache.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/Firestore/Source/Local/FSTLevelDBQueryCache.h b/Firestore/Source/Local/FSTLevelDBQueryCache.h
index 1f6fbd4..d955b02 100644
--- a/Firestore/Source/Local/FSTLevelDBQueryCache.h
+++ b/Firestore/Source/Local/FSTLevelDBQueryCache.h
@@ -19,6 +19,7 @@
#include <memory>
#import "Firestore/Source/Local/FSTQueryCache.h"
+#include "Firestore/core/src/firebase/firestore/local/leveldb_transaction.h"
#include "leveldb/db.h"
@class FSTLocalSerializer;
@@ -32,9 +33,16 @@ NS_ASSUME_NONNULL_BEGIN
/**
* Retrieves the global singleton metadata row from the given database, if it exists.
+ * TODO(gsoltis): remove this method once fully ported to transactions.
*/
+ (nullable FSTPBTargetGlobal *)readTargetMetadataFromDB:(std::shared_ptr<leveldb::DB>)db;
+/**
+ * Retrieves the global singleton metadata row using the given transaction, if it exists.
+ */
++ (nullable FSTPBTargetGlobal *)readTargetMetadataWithTransaction:
+ (firebase::firestore::local::LevelDbTransaction *)transaction;
+
- (instancetype)init NS_UNAVAILABLE;
/** The garbage collector to notify about potential garbage keys. */