8511         return eventDef.buildInstances(eventManager.currentPeriod.unzonedRange);
8934             !this.currentPeriod ||
8935             !this.currentPeriod.isWithinRange(start, end) ||
8936             timezone !== this.currentPeriod.timezone) {
8937             this.setPeriod(// will change this.currentPeriod
8940         return this.currentPeriod.whenReleased();
8946         if (this.currentPeriod) {
8947             this.currentPeriod.requestSource(eventSource); // might release
8952         if (this.currentPeriod) {
8953             this.currentPeriod.purgeSource(doomedSource); // might release
8958         if (this.currentPeriod) {
8959             this.currentPeriod.purgeAllSources(); // might release
8965         var currentPeriod = this.currentPeriod;
8966         if (currentPeriod) {
8967             currentPeriod.freeze();  field
8968             currentPeriod.purgeSource(eventSource);
8969             currentPeriod.requestSource(eventSource);
8970             currentPeriod.thaw();
8974         var currentPeriod = this.currentPeriod;
8975         if (currentPeriod) {
8976             currentPeriod.freeze();  field
8977             currentPeriod.purgeAllSources();
8978             currentPeriod.requestSources(this.getSources());
8979             currentPeriod.thaw();
9042         if (this.currentPeriod) {
9043             this.unbindPeriod(this.currentPeriod);
9044             this.currentPeriod = null;
9046         this.currentPeriod = eventPeriod;
9061         if (this.currentPeriod) {
9062             return this.currentPeriod.getEventDefByUid(uid);
9069         if (this.currentPeriod) {
9070             this.currentPeriod.addEventDef(eventDef); // might release
9077         if (this.currentPeriod) {
9078             this.currentPeriod.removeEventDefsById(eventId); // might release
9085         if (this.currentPeriod) {
9086             this.currentPeriod.removeAllEventDefs();
9095         var currentPeriod = this.currentPeriod;
9098         if (currentPeriod) {
9099             currentPeriod.freeze();  field
9100             eventDefs = currentPeriod.getEventDefsById(eventDefId);
9103                 currentPeriod.removeEventDef(eventDef);  field
9105                 currentPeriod.addEventDef(eventDef);
9107             currentPeriod.thaw();
9109                 currentPeriod.freeze();  field
9111                     currentPeriod.removeEventDef(eventDefs[i]);  field
9113                     currentPeriod.addEventDef(eventDefs[i]);
9115                 currentPeriod.thaw();
9141         if (this.currentPeriod) {
9142             this.currentPeriod.freeze();
9146         if (this.currentPeriod) {
9147             this.currentPeriod.thaw();
9152         return this.currentPeriod.getEventDefsById(eventDefId);
9155         return this.currentPeriod.getEventInstances();
9158         return this.currentPeriod.getEventInstancesWithId(eventDefId);
9161         return this.currentPeriod.getEventInstancesWithoutId(eventDefId);