XD-1195 propagated read-only mode flag to the store

entity-store/src/main/kotlin/jetbrains/exodus/entitystore/youtrackdb/YTDBPersistentEntityStore.kt

@@ -193,6 +193,10 @@ class YTDBPersistentEntityStore(
     override fun getOEntityId(entityId: PersistentEntityId): YTDBEntityId {
         return requireActiveTransaction().getOEntityId(entityId)
     }
+
+    override fun isReadOnly(): Boolean {
+        return this.databaseProvider.readOnly
+    }
 }
 
 internal fun YTDBEntityStore.requireOEntityId(id: EntityId): YTDBEntityId {

entity-store/src/test/kotlin/jetbrains/exodus/entitystore/youtrackdb/OPersistentStoreTest.kt

@@ -317,4 +317,11 @@ class OPersistentStoreTest : OTestMixin {
             }
         }
     }
+
+    @Test
+    fun `read-only mode flag is propagated to the store`() {
+        youTrackDb.provider.readOnly = true
+        assertEquals(true, youTrackDb.store.isReadOnly)
+        youTrackDb.provider.readOnly = false
+    }
 }

openAPI/src/main/java/jetbrains/exodus/entitystore/PersistentEntityStore.java

@@ -157,4 +157,7 @@ void registerCustomPropertyType(@NotNull final StoreTransaction txn,
 
     @NotNull
     StoreTransaction getAndCheckCurrentTransaction();
+
+    @NotNull
+    Boolean isReadOnly();
 }

persistent-entity-store/src/main/java/jetbrains/exodus/entitystore/PersistentEntityStoreImpl.java

@@ -2660,4 +2660,10 @@ private Pair<Long, Long> newNext() {
             }
         }
     }
+
+    @NotNull
+    @Override
+    public Boolean isReadOnly() {
+        return this.environment.isReadOnly();
+    }
 }