From ffb49c72177d71f1efaff944a52ca43a1fb63428 Mon Sep 17 00:00:00 2001
From: Dheeraj CVR <cvr.dheeraj@gmail.com>
Date: Wed, 13 Jan 2016 11:55:46 +0400
Subject: use batch transactions when writing roster

Fixes https://github.com/siacs/Conversations/issues/1648
---
 src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
index 3077c488..c73a0564 100644
--- a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
@@ -577,6 +577,7 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 	public void writeRoster(final Roster roster) {
 		final Account account = roster.getAccount();
 		final SQLiteDatabase db = this.getWritableDatabase();
+		db.beginTransaction();
 		for (Contact contact : roster.getContacts()) {
 			if (contact.getOption(Contact.Options.IN_ROSTER)) {
 				db.insert(Contact.TABLENAME, null, contact.getContentValues());
@@ -586,6 +587,8 @@ public class DatabaseBackend extends SQLiteOpenHelper {
 				db.delete(Contact.TABLENAME, where, whereArgs);
 			}
 		}
+		db.setTransactionSuccessful();
+		db.endTransaction();
 		account.setRosterVersion(roster.getVersion());
 		updateAccount(account);
 	}
-- 
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