FIXME Add fileMode option.

Author: greenrobot-team

objectbox-java/src/main/java/io/objectbox/BoxStore.java

@@ -281,6 +281,7 @@ private byte[] buildFlatStoreOptions(BoxStoreBuilder builder, String canonicalPa
         // ...then build options.
         FlatStoreOptions.addDirectoryPath(fbb, directoryPathOffset);
         FlatStoreOptions.addMaxDbSizeInKByte(fbb, builder.maxSizeInKByte);
+        FlatStoreOptions.addFileMode(fbb, builder.fileMode);
         FlatStoreOptions.addMaxReaders(fbb, builder.maxReaders);
         int validateOnOpenMode = builder.validateOnOpenMode;
         if (validateOnOpenMode != 0) {

objectbox-java/src/main/java/io/objectbox/BoxStoreBuilder.java

@@ -88,6 +88,8 @@ public class BoxStoreBuilder {
 
     boolean debugRelations;
 
+    long fileMode;
+
     int maxReaders;
 
     int queryAttempts;
@@ -266,6 +268,12 @@ private static File getAndroidFilesDir(Object context) {
         return filesDir;
     }
 
+    // TODO Docs, validation.
+    public BoxStoreBuilder fileMode(long mode) {
+        this.fileMode = mode;
+        return this;
+    }
+
     /**
      * Sets the maximum number of concurrent readers. For most applications, the default is fine (> 100 readers).
      * <p>