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Abstract Class: DatabaseCommand<TResult>

Defined in: electron/services/commands/DatabaseCommands.ts:180

Base class for database commands executed by the DatabaseCommandExecutor.

Extended by​

Type Parameters​

TResult​

TResult = void

The result type produced by the command when DatabaseCommand.execute resolves.

Implements​

Constructors​

Constructor​

new DatabaseCommand<TResult>(serviceFactory: DatabaseServiceFactory, eventEmitter: TypedEventBus<UptimeEvents>, cache: StandardizedCache<Site>): DatabaseCommand<TResult>

Defined in: electron/services/commands/DatabaseCommands.ts:249

Parameters​

serviceFactory​

DatabaseServiceFactory

eventEmitter​

TypedEventBus<UptimeEvents>

cache​

StandardizedCache<Site>

Returns​

DatabaseCommand<TResult>

Constructor​

new DatabaseCommand<TResult>(context: DatabaseCommandContext): DatabaseCommand<TResult>

Defined in: electron/services/commands/DatabaseCommands.ts:255

Parameters​

context​

DatabaseCommandContext

Returns​

DatabaseCommand<TResult>

Properties​

cache​

protected readonly cache: StandardizedCache<Site>

Defined in: electron/services/commands/DatabaseCommands.ts:184

Site cache for data synchronization during operations

eventEmitter​

protected readonly eventEmitter: TypedEventBus<UptimeEvents>

Defined in: electron/services/commands/DatabaseCommands.ts:187

Event bus for emitting command execution events

serviceFactory​

protected readonly serviceFactory: DatabaseServiceFactory

Defined in: electron/services/commands/DatabaseCommands.ts:190

Factory for accessing database services and repositories

configurationManager​

protected readonly configurationManager: ConfigurationManager | undefined

Defined in: electron/services/commands/DatabaseCommands.ts:193

Optional configuration manager used for validation flows

updateHistoryLimit​

protected readonly updateHistoryLimit: (limit: number) => Promise<void> | undefined

Defined in: electron/services/commands/DatabaseCommands.ts:196

Optional history limit updater for settings propagation

Methods​

emitFailureEvent()​

protected emitFailureEvent<K>(eventType: K, error: Error, data: Partial<UptimeEvents[K]>): Promise<void>

Defined in: electron/services/commands/DatabaseCommands.ts:213

Internal

Emits a failure event for the command operation.

Type Parameters​

K​

K extends string

Parameters​

eventType​

K

The event type to emit.

error​

Error

The ://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error that occurred.

data​

Partial<UptimeEvents[K]> = {}

Additional event data to include in the event payload.

Returns​

Promise<void>

Remarks​

Used internally to emit a typed event indicating command failure, including error details and additional event data.

emitSuccessEvent()​

protected emitSuccessEvent<K>(eventType: K, data: Partial<UptimeEvents[K]>): Promise<void>

Defined in: electron/services/commands/DatabaseCommands.ts:238

Internal

Emits a success event for the command operation.

Type Parameters​

K​

K extends string

Parameters​

eventType​

K

The event type to emit.

data​

Partial<UptimeEvents[K]>

Additional event data to include in the event payload.

Returns​

Promise<void>

Remarks​

Used internally to emit a typed event indicating command success, including additional event data.

execute()​

abstract execute(): Promise<TResult>

Defined in: electron/services/commands/DatabaseCommands.ts:270

Executes the command operation.

Returns​

Promise<TResult>

Promise resolving to the operation result.

Remarks​

Performs the main database operation encapsulated by the command.

Throws​

When command execution fails.

Implementation of​

IDatabaseCommand.execute

getDescription()​

abstract getDescription(): string

Defined in: electron/services/commands/DatabaseCommands.ts:272

Gets a description of the command for logging and debugging.

Returns​

string

Human-readable command description.

Implementation of​

IDatabaseCommand.getDescription

rollback()​

abstract rollback(): Promise<void>

Defined in: electron/services/commands/DatabaseCommands.ts:274

Rolls back the command operation if possible.

Returns​

Promise<void>

Promise resolving when rollback is complete.

Remarks​

Attempts to revert the effects of the command. Not all commands require rollback.

Implementation of​

IDatabaseCommand.rollback

validate()​

abstract validate(): Promise<{ errors: string[]; isValid: boolean; }>

Defined in: electron/services/commands/DatabaseCommands.ts:276

Validates the command before execution.

Returns​

Promise<{ errors: string[]; isValid: boolean; }>

Promise resolving to validation result.

Remarks​

Ensures the command is in a valid state before execution. Returns a validation result with errors if any.

Implementation of​

IDatabaseCommand.validate