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datastore
bpmn-server / DataStore
super class for various objects that are part of the server
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↳
DataStore
- convertColl
- convertObj
- deleteInstances
- findInstance
- findInstances
- findItem
- findItems
- install
- loadInstance
- save
• new DataStore(server): DataStore
| Name | Type |
|---|---|
server |
IBPMNServer |
• db: any
• dbConfiguration: any
• execution: Execution
• inSaving: boolean = false
• isModified: boolean = false
• isRunning: boolean = false
• locker: any
• promises: any[] = []
• server: any
▪ Static seq: number = 0
• get appDelegate(): any
any
ServerComponent.appDelegate
• get cache(): CacheManager
ServerComponent.cache
• get configuration(): any
any
ServerComponent.configuration
• get cron(): Cron
ServerComponent.cron
• get dataStore(): any
any
ServerComponent.dataStore
• get definitions(): any
any
ServerComponent.definitions
• get engine(): IEngine
ServerComponent.engine
• get listener(): any
any
ServerComponent.listener
• get logger(): any
any
ServerComponent.logger
▸ convertColl(coll, cls): void
| Name | Type |
|---|---|
coll |
any |
cls |
any |
void
▸ convertObj(obj, cls): any
| Name | Type |
|---|---|
obj |
any |
cls |
any |
any
▸ deleteInstances(query): Promise<any>
| Name | Type |
|---|---|
query |
any |
Promise<any>
▸ findInstance(query, options): Promise<IInstanceData>
| Name | Type |
|---|---|
query |
any |
options |
any |
Promise<IInstanceData>
▸ findInstances(query, option?): Promise<IInstanceData[]>
| Name | Type | Default value |
|---|---|---|
query |
any |
undefined |
option |
any |
'summary' |
Promise<IInstanceData[]>
▸ findItem(query): Promise<IItemData>
| Name | Type |
|---|---|
query |
any |
Promise<IItemData>
▸ findItems(query): Promise<IItemData[]>
scenario: itemId { items { id : value } } itemKey { items {key: value } } instance, task { instance: { id: instanceId }, items: { elementId: value }} message { items: { messageId: nameofmessage, key: value } {} status { items: {status: 'wait' } } custom: { query: query, projection: projection }
New approach: just like MongoDB itemId { items { id : value } } itemKey { items {key: value } } instance, task { id: instanceId , items.elementId: value } message { items.messageId: nameofmessage, key: value } {} status { items.status: 'wait' } } custom: { query: query, projection: projection }
Problem with Mongodb: projection $elematch returns only the first record
| Name | Type |
|---|---|
query |
any |
Promise<IItemData[]>
▸ install(): Promise<void>
first time installation of DB
creates a new collection and add an index
Promise<void>
▸ loadInstance(instanceId, options?): Promise<{ instance: IInstanceData = instanceData; items: any[] }>
| Name | Type |
|---|---|
instanceId |
any |
options |
Object |
Promise<{ instance: IInstanceData = instanceData; items: any[] }>
▸ save(instance, options?): Promise<void>
| Name | Type |
|---|---|
instance |
any |
options |
Object |
Promise<void>