From 12ba882ddd520fe18eee9683e1ced6d6ea8e23fd Mon Sep 17 00:00:00 2001
From: Andreas Zahnen <zahnen@interactive-instruments.de>
Date: Fri, 23 Jan 2026 14:43:45 +0000
Subject: [PATCH] add option to disable mutex

---
 .../xtraplatform/tiles/app/TileProviderFeatures.java  |  2 +-
 .../ii/xtraplatform/tiles/app/TileStoreMbTiles.java   | 10 +++++-----
 .../java/de/ii/xtraplatform/tiles/domain/Cache.java   | 11 +++++++++++
 .../ii/xtraplatform/tiles/domain/MbtilesTileset.java  |  4 ++--
 4 files changed, 19 insertions(+), 8 deletions(-)

diff --git a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileProviderFeatures.java b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileProviderFeatures.java
index 972135a06..329ff3f32 100644
--- a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileProviderFeatures.java
+++ b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileProviderFeatures.java
@@ -362,7 +362,7 @@ private TileStore getTileStore(
                       tileMatrixSets,
                       tileMatrixSetRepository,
                       partitions,
-                      cache.getSeeded())
+                      cache.getSeeded() && cache.getSeededOnly())
                   : new TileStorePlain(cacheStore);
             });
   }
diff --git a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileStoreMbTiles.java b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileStoreMbTiles.java
index 2d5a0643f..c5f841c3b 100644
--- a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileStoreMbTiles.java
+++ b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/app/TileStoreMbTiles.java
@@ -66,7 +66,7 @@ static TileStore readWrite(
       Map<String, Set<String>> tileMatrixSets,
       Optional<TileMatrixSetRepository> tileMatrixSetRepository,
       Optional<TileMatrixPartitions> partitions,
-      boolean seeded) {
+      boolean strictlySeeded) {
     Map<String, MbtilesTileset> tileSets = new ConcurrentHashMap<>();
     try {
       for (String tileset : tileSchemas.keySet()) {
@@ -81,7 +81,7 @@ static TileStore readWrite(
                   getVectorLayers(tileSchemas, tileset),
                   partitions,
                   tileSchemas.get(tileset).isEmpty(),
-                  seeded));
+                  strictlySeeded));
         }
       }
     } catch (IOException e) {
@@ -436,7 +436,7 @@ private static MbtilesTileset createTileSet(
       List<VectorLayer> vectorLayers,
       Optional<TileMatrixPartitions> partitions,
       boolean isRaster,
-      boolean seeded)
+      boolean strictlySeeded)
       throws IOException {
     Path relPath =
         Path.of(tileset).resolve(tileMatrixSet + (partitions.isEmpty() ? MBTILES_SUFFIX : ""));
@@ -461,7 +461,7 @@ private static MbtilesTileset createTileSet(
             .build();
 
     if (partitions.isPresent()) {
-      return new MbtilesTileset(filePath.get(), md, partitions, isRaster, seeded);
+      return new MbtilesTileset(filePath.get(), md, partitions, isRaster, strictlySeeded);
     }
 
     if (rootStore.has(relPath)) {
@@ -469,7 +469,7 @@ private static MbtilesTileset createTileSet(
     }
 
     try {
-      return new MbtilesTileset(filePath.get(), md, Optional.empty(), isRaster, seeded);
+      return new MbtilesTileset(filePath.get(), md, Optional.empty(), isRaster, strictlySeeded);
     } catch (FileAlreadyExistsException e) {
       throw new IllegalStateException(
           "A MBTiles file already exists. It must have been created by a parallel thread, which should not occur. MBTiles file creation must be synchronized.");
diff --git a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/Cache.java b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/Cache.java
index 1747f15ff..d7aadd018 100644
--- a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/Cache.java
+++ b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/Cache.java
@@ -98,6 +98,17 @@ default boolean getSeeded() {
     return true;
   }
 
+  /**
+   * @langEn Should this cache be exclusively used by the [Seeding](#seeding)?
+   * @langDe Soll dieser Cache ausschließlich beim [Seeding](#seeding) verwendet werden?
+   * @default false
+   * @since v4.6
+   */
+  @Value.Default
+  default boolean getSeededOnly() {
+    return false;
+  }
+
   /**
    * @langEn Tiling schemes and zoom levels that should be stored in the cache. Applies to all
    *     tilesets that are not specified in `tilesetLevels`.
diff --git a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/MbtilesTileset.java b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/MbtilesTileset.java
index dbe5eb937..75ccfb56e 100644
--- a/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/MbtilesTileset.java
+++ b/xtraplatform-tiles/src/main/java/de/ii/xtraplatform/tiles/domain/MbtilesTileset.java
@@ -104,7 +104,7 @@ public MbtilesTileset(
       MbtilesMetadata metadata,
       Optional<TileMatrixPartitions> partitions,
       boolean isRaster,
-      boolean seeded)
+      boolean strictlySeeded)
       throws IOException {
     this(
         tilesetPath,
@@ -112,7 +112,7 @@ public MbtilesTileset(
         partitions,
         isRaster,
         false,
-        partitions.isPresent() && seeded && isRaster ? Mutex.createNoOp() : Mutex.create());
+        partitions.isPresent() && strictlySeeded ? Mutex.createNoOp() : Mutex.create());
   }
 
   private MbtilesTileset(