$onInit()

in modules/frontend/app/configuration/components/page-configure-basic/controller.ts [97:172]
64 lines of code
4 McCabe index (conditional complexity)

    $onInit() {
        this.onBeforeTransition = this.$uiRouter.transitionService.onBefore({}, (t) => this._uiCanExit(t));

        this.memorySizeInputVisible$ = this.IgniteVersion.currentSbj.pipe(
            map((version) => this.IgniteVersion.since(version.ignite, '2.0.0'))
        );

        const clusterID$ = this.$uiRouter.globals.params$.pipe(
            take(1),
            pluck('clusterID'),
            filter((v) => v),
            take(1)
        );
        this.clusterID$ = clusterID$;

        this.isNew$ = this.$uiRouter.globals.params$.pipe(pluck('clusterID'), map((id) => id === 'new'));
        this.shortCaches$ = this.ConfigureState.state$.pipe(this.ConfigSelectors.selectCurrentShortCaches);
        this.shortClusters$ = this.ConfigureState.state$.pipe(this.ConfigSelectors.selectShortClustersValue());
        this.originalCluster$ = clusterID$.pipe(
            distinctUntilChanged(),
            switchMap((id) => {
                return this.ConfigureState.state$.pipe(this.ConfigSelectors.selectClusterToEdit(id));
            }),
            distinctUntilChanged(),
            publishReplay(1),
            refCount()
        );

        this.subscription = merge(
            this.shortCaches$.pipe(
                map((caches) => caches.sort((a, b) => naturalCompare(a.name, b.name))),
                tap((v) => this.shortCaches = v)
            ),
            this.shortClusters$.pipe(tap((v) => this.shortClusters = v)),
            this.originalCluster$.pipe(tap((v) => {
                this.originalCluster = v;
                // clonedCluster should be set only when particular cluster edit starts.
                // 
                // Stored cluster changes should not propagate to clonedCluster because it's assumed
                // that last saved copy has same shape to what's already loaded. If stored cluster would overwrite
                // clonedCluster every time, then data rollback on server errors would undo all changes
                // made by user and we don't want that. Advanced configuration forms do the same too.
                if (get(v, '_id') !== get(this.clonedCluster, '_id')) this.clonedCluster = cloneDeep(v);
                this.defaultMemoryPolicy = this.Clusters.getDefaultClusterMemoryPolicy(this.clonedCluster);
            }))
        ).subscribe();

        this.formActionsMenu = [
            {
                text: 'Save and Download',
                click: () => this.save(true),
                icon: 'download'
            },
            {
                text: 'Save',
                click: () => this.save(),
                icon: 'checkmark'
            }
        ];

        this.cachesColDefs = [
            {name: 'Name:', cellClass: 'pc-form-grid-col-10'},
            {name: 'Mode:', cellClass: 'pc-form-grid-col-10'},
            {name: 'Atomicity:', cellClass: 'pc-form-grid-col-20', tip: `
                Atomicity:
                <ul>
                    <li>ATOMIC - in this mode distributed transactions and distributed locking are not supported</li>
                    <li>TRANSACTIONAL - in this mode specified fully ACID-compliant transactional cache behavior</li>
                    <li>TRANSACTIONAL_SNAPSHOT - in this mode specified fully ACID-compliant transactional cache behavior for both key-value API and SQL transactions</li>
                </ul>
            `},
            {name: 'Backups:', cellClass: 'pc-form-grid-col-10', tip: `
                Number of nodes used to back up single partition for partitioned cache
            `}
        ];
    }