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authorfiaxh <github@lightrise.org>2015-09-20 22:17:32 +0100
committerfiaxh <github@lightrise.org>2015-09-20 22:17:32 +0100
commit024e697cee47955019d842faa440381e814487b0 (patch)
tree78325f00876c79aa6a29d1b85c99938946223374 /src/main/java
parenta954e32b1673f5816f460dc1d434d148f35821ac (diff)
Iterator to go through all messages of a conversation
Diffstat (limited to 'src/main/java')
-rw-r--r--src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
index d420c1cd..be827929 100644
--- a/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
+++ b/src/main/java/eu/siacs/conversations/persistance/DatabaseBackend.java
@@ -21,6 +21,7 @@ import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;
@@ -407,6 +408,43 @@ public class DatabaseBackend extends SQLiteOpenHelper {
return list;
}
+ public Iterable<Message> getMessagesIterable(final Conversation conversation){
+ return new Iterable<Message>() {
+ @Override
+ public Iterator<Message> iterator() {
+ class MessageIterator implements Iterator<Message>{
+ SQLiteDatabase db = getReadableDatabase();
+ String[] selectionArgs = { conversation.getUuid() };
+ Cursor cursor = db.query(Message.TABLENAME, null, Message.CONVERSATION
+ + "=?", selectionArgs, null, null, Message.TIME_SENT
+ + " ASC", null);
+
+ public MessageIterator() {
+ cursor.moveToFirst();
+ }
+
+ @Override
+ public boolean hasNext() {
+ return !cursor.isAfterLast();
+ }
+
+ @Override
+ public Message next() {
+ Message message = Message.fromCursor(cursor);
+ cursor.moveToNext();
+ return message;
+ }
+
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException();
+ }
+ }
+ return new MessageIterator();
+ }
+ };
+ }
+
public Conversation findConversation(final Account account, final Jid contactJid) {
SQLiteDatabase db = this.getReadableDatabase();
String[] selectionArgs = { account.getUuid(),