commitquery: Make a reusable engine thingy

1 files changed, 23 insertions, 0 deletions

diff --git a/commitquery/queries.go b/commitquery/queries.go
new file mode 100644
index 00000000..dec8606f
--- /dev/null
+++ b/commitquery/queries.go
@@ -0,0 +1,23 @@
+package commitquery
+
+import (
+	"sync"
+
+	commitgraphread "codeberg.org/lindenii/furgit/format/commitgraph/read"
+	objectstore "codeberg.org/lindenii/furgit/object/store"
+)
+
+// Queries provides commit-domain queries over one object store
+// and optional commit-graph reader.
+//
+// Queries reuses internal mutable query workers across operations.
+//
+// Labels: MT-Safe.
+type Queries struct {
+	store objectstore.ReadingStore
+	graph *commitgraphread.Reader
+
+	mu      sync.Mutex
+	idle    []*query
+	maxIdle int
+}