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medusa-store/docs/content/references/services/classes/EventBusService.md
Shahed Nasser e134f6d237 chore: fixed commit branch on generate reference action (#1857) 
* fixed commit branch

* fixes after yarn upgrade
2022-07-15 18:08:07 +03:00

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# Class: EventBusService
## Constructors
### constructor
• **new EventBusService**(`__namedParameters`, `config`, `singleton?`)
#### Parameters
| Name | Type | Default value |
| :------ | :------ | :------ |
| `__namedParameters` | `InjectedDependencies` | `undefined` |
| `config` | `ConfigModule` | `undefined` |
| `singleton` | `boolean` | `true` |
#### Defined in
[services/event-bus.ts:38](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L38)
## Properties
### config\_
• `Protected` `Readonly` **config\_**: `ConfigModule`
#### Defined in
[services/event-bus.ts:24](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L24)
___
### cronHandlers\_
• `Protected` `Readonly` **cronHandlers\_**: `Map`<`string` \| `symbol`, `Subscriber`<`unknown`\>[]\>
#### Defined in
[services/event-bus.ts:29](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L29)
___
### cronQueue\_
• `Protected` `Readonly` **cronQueue\_**: `Bull`
#### Defined in
[services/event-bus.ts:32](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L32)
___
### enqueue\_
• `Protected` **enqueue\_**: `Promise`<`void`\>
#### Defined in
[services/event-bus.ts:36](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L36)
___
### logger\_
• `Protected` `Readonly` **logger\_**: `Logger`
#### Defined in
[services/event-bus.ts:26](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L26)
___
### manager\_
• `Protected` `Readonly` **manager\_**: `EntityManager`
#### Defined in
[services/event-bus.ts:25](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L25)
___
### observers\_
• `Protected` `Readonly` **observers\_**: `Map`<`string` \| `symbol`, `Subscriber`<`unknown`\>[]\>
#### Defined in
[services/event-bus.ts:28](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L28)
___
### queue\_
• `Protected` **queue\_**: `Bull`
#### Defined in
[services/event-bus.ts:33](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L33)
___
### redisClient\_
• `Protected` `Readonly` **redisClient\_**: `Redis`
#### Defined in
[services/event-bus.ts:30](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L30)
___
### redisSubscriber\_
• `Protected` `Readonly` **redisSubscriber\_**: `Redis`
#### Defined in
[services/event-bus.ts:31](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L31)
___
### shouldEnqueuerRun
• `Protected` **shouldEnqueuerRun**: `boolean`
#### Defined in
[services/event-bus.ts:34](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L34)
___
### stagedJobRepository\_
• `Protected` `Readonly` **stagedJobRepository\_**: typeof `StagedJobRepository`
#### Defined in
[services/event-bus.ts:27](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L27)
___
### transactionManager\_
• `Protected` **transactionManager\_**: `undefined` \| `EntityManager`
#### Defined in
[services/event-bus.ts:35](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L35)
## Methods
### createCronJob
▸ **createCronJob**<`T`\>(`eventName`, `data`, `cron`, `handler`): `void`
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `eventName` | `string` | |
| `data` | `T` | |
| `cron` | `string` | |
| `handler` | `Subscriber`<`unknown`\> | |
#### Returns
`void`
#### Defined in
[services/event-bus.ts:308](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L308)
___
### cronWorker\_
▸ **cronWorker_**<`T`\>(`job`): `Promise`<`unknown`[]\>
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `job` | `Object` | |
| `job.data` | `Object` | - |
| `job.data.data` | `T` | - |
| `job.data.eventName` | `string` | - |
#### Returns
`Promise`<`unknown`[]\>
#### Defined in
[services/event-bus.ts:281](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L281)
___
### emit
▸ **emit**<`T`\>(`eventName`, `data`, `options?`): `Promise`<`void` \| `StagedJob`\>
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `eventName` | `string` | |
| `data` | `T` | |
| `options` | `Object` | |
| `options.delay?` | `number` | - |
#### Returns
`Promise`<`void` \| `StagedJob`\>
#### Defined in
[services/event-bus.ts:179](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L179)
___
### enqueuer\_
▸ **enqueuer_**(): `Promise`<`void`\>
#### Returns
`Promise`<`void`\>
#### Defined in
[services/event-bus.ts:215](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L215)
___
### registerCronHandler\_
▸ `Protected` **registerCronHandler_**(`event`, `subscriber`): [`EventBusService`](EventBusService.md)
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `event` | `string` \| `symbol` | |
| `subscriber` | `Subscriber`<`unknown`\> | |
#### Returns
[`EventBusService`](EventBusService.md)
#### Defined in
[services/event-bus.ts:158](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L158)
___
### startEnqueuer
▸ **startEnqueuer**(): `void`
#### Returns
`void`
#### Defined in
[services/event-bus.ts:205](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L205)
___
### stopEnqueuer
▸ **stopEnqueuer**(): `Promise`<`void`\>
#### Returns
`Promise`<`void`\>
#### Defined in
[services/event-bus.ts:210](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L210)
___
### subscribe
▸ **subscribe**(`event`, `subscriber`): [`EventBusService`](EventBusService.md)
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `event` | `string` \| `symbol` | |
| `subscriber` | `Subscriber`<`unknown`\> | |
#### Returns
[`EventBusService`](EventBusService.md)
#### Defined in
[services/event-bus.ts:118](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L118)
___
### unsubscribe
▸ **unsubscribe**(`event`, `subscriber`): [`EventBusService`](EventBusService.md)
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `event` | `string` \| `symbol` | |
| `subscriber` | `Subscriber`<`unknown`\> | |
#### Returns
[`EventBusService`](EventBusService.md)
#### Defined in
[services/event-bus.ts:136](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L136)
___
### withTransaction
▸ **withTransaction**(`transactionManager`): [`EventBusService`](EventBusService.md)
#### Parameters
| Name | Type |
| :------ | :------ |
| `transactionManager` | `any` |
#### Returns
[`EventBusService`](EventBusService.md)
#### Defined in
[services/event-bus.ts:88](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L88)
___
### worker\_
▸ **worker_**<`T`\>(`job`): `Promise`<`unknown`[]\>
#### Type parameters
| Name |
| :------ |
| `T` |
#### Parameters
| Name | Type | Description |
| :------ | :------ | :------ |
| `job` | `Object` | |
| `job.data` | `Object` | - |
| `job.data.data` | `T` | - |
| `job.data.eventName` | `string` | - |
#### Returns
`Promise`<`unknown`[]\>
#### Defined in
[services/event-bus.ts:250](https://github.com/medusajs/medusa/blob/32b066d92/packages/medusa/src/services/event-bus.ts#L250)
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