From f239e8da926343f312657f3c3075e2f3790760a8 Mon Sep 17 00:00:00 2001
From: Eric Coissac <eric@coissac.eu>
Date: Tue, 5 Aug 2025 08:49:45 -0400
Subject: [PATCH] Rename ISequenceChunk

---
 pkg/obichunk/{chunks.go => chunks_on_memory.go} | 15 ++++++++++++++-
 pkg/obichunk/unique.go                          |  2 +-
 pkg/obitools/obirefidx/famlilyindexing.go       |  2 +-
 3 files changed, 16 insertions(+), 3 deletions(-)
 rename pkg/obichunk/{chunks.go => chunks_on_memory.go} (69%)

diff --git a/pkg/obichunk/chunks.go b/pkg/obichunk/chunks_on_memory.go
similarity index 69%
rename from pkg/obichunk/chunks.go
rename to pkg/obichunk/chunks_on_memory.go
index b4700f3..6a423ec 100644
--- a/pkg/obichunk/chunks.go
+++ b/pkg/obichunk/chunks_on_memory.go
@@ -9,7 +9,20 @@ import (
 	"git.metabarcoding.org/obitools/obitools4/obitools4/pkg/obiseq"
 )
 
-func ISequenceChunk(iterator obiiter.IBioSequence,
+// ISequenceChunkMemory processes a sequence iterator by distributing the sequences
+// into chunks in memory. It uses a classifier to determine how to distribute
+// the sequences and returns a new iterator for the processed sequences.
+//
+// Parameters:
+//   - iterator: An iterator of biosequences to be processed.
+//   - classifier: A pointer to a BioSequenceClassifier used to classify the sequences
+//     during distribution.
+//
+// Returns:
+// An iterator of biosequences representing the processed chunks.
+//
+// The function operates asynchronously.
+func ISequenceChunkMemory(iterator obiiter.IBioSequence,
 	classifier *obiseq.BioSequenceClassifier) (obiiter.IBioSequence, error) {
 
 	newIter := obiiter.MakeIBioSequence()
diff --git a/pkg/obichunk/unique.go b/pkg/obichunk/unique.go
index 7d971c6..8b3127d 100644
--- a/pkg/obichunk/unique.go
+++ b/pkg/obichunk/unique.go
@@ -35,7 +35,7 @@ func IUniqueSequence(iterator obiiter.IBioSequence,
 		}
 
 	} else {
-		iterator, err = ISequenceChunk(iterator,
+		iterator, err = ISequenceChunkMemory(iterator,
 			obiseq.HashClassifier(opts.BatchCount()))
 
 		if err != nil {
diff --git a/pkg/obitools/obirefidx/famlilyindexing.go b/pkg/obitools/obirefidx/famlilyindexing.go
index 47b7e4b..e445c19 100644
--- a/pkg/obitools/obirefidx/famlilyindexing.go
+++ b/pkg/obitools/obirefidx/famlilyindexing.go
@@ -166,7 +166,7 @@ func IndexFamilyDB(iterator obiiter.IBioSequence) obiiter.IBioSequence {
 		obidefault.ParallelWorkers(),
 	)
 
-	family_iterator, err := obichunk.ISequenceChunk(
+	family_iterator, err := obichunk.ISequenceChunkMemory(
 		partof,
 		obiseq.AnnotationClassifier("family_taxid", "NA"),
 	)