fix for event starter: delete start time when event is removed

htroot/Table_API_p.java

@@ -93,7 +93,10 @@ public class Table_API_p {
                     }
     
                     if (post.containsKey("event_kind_" + current_pk)  ) {
-                        row.put(WorkTables.TABLE_API_COL_APICALL_EVENT_KIND, post.get("event_kind_" + current_pk, "off"));
+                        if ("off".equals(action = post.get("event_kind_" + current_pk, "off"))) {
+                            row.put(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, "");
+                        }
+                        row.put(WorkTables.TABLE_API_COL_APICALL_EVENT_KIND, action);
                     }
     
                     if (post.containsKey("event_action_" + current_pk)  ) {

source/net/yacy/data/WorkTables.java

@@ -292,6 +292,7 @@ public class WorkTables extends Tables {
     public static void calculateAPIScheduler(Tables.Data row, boolean update) {
         Date date = row.containsKey(WorkTables.TABLE_API_COL_DATE) ? row.get(WorkTables.TABLE_API_COL_DATE, (Date) null) : null;
         date = update ? row.get(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, date) : row.get(WorkTables.TABLE_API_COL_DATE_LAST_EXEC, date);
+        if (date == null) return;
         long d = date.getTime();
         
         final String kind = row.get(WorkTables.TABLE_API_COL_APICALL_EVENT_KIND, "off");
@@ -313,7 +314,10 @@ public class WorkTables extends Tables {
                 SimpleDateFormat dateFormat  = new SimpleDateFormat("yyyyMMddHHmm");
                 d = dateFormat.parse(dateFormat.format(new Date()).substring(0, 8) + action).getTime();
                 if (d < System.currentTimeMillis()) d += day;
-            } catch (ParseException e) {}
+            } catch (ParseException e) {} else {
+                row.put(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, "");
+                return;
+            }
         }
         row.put(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, new Date(d));
     }

source/net/yacy/search/Switchboard.java

@@ -2266,6 +2266,7 @@ public final class Switchboard extends serverSwitch {
                             pks.add(UTF8.String(row.getPK()));
                             if ("once".equals(kind)) {
                                 row.put(WorkTables.TABLE_API_COL_APICALL_EVENT_KIND, "off");
+                                row.put(WorkTables.TABLE_API_COL_DATE_NEXT_EXEC, "");
                                 sb.tables.update(WorkTables.TABLE_API_NAME, row);
                             }
                         }