Class: RedisAdapter

RedisAdapter


new RedisAdapter(opts)

RedisAdapter class.

Parameters:
Name Type Argument Description
opts Object <optional>

Configuration opts.

Properties
Name Type Argument Default Description
debug boolean <optional>
false

Whether to log debugging information.

raw boolean <optional>
false

Whether to return a more detailed response object.

Example
// Use Container instead of DataStore on the server
import {Container} from 'js-data'
import RedisAdapter from 'js-data-redis'

// Create a store to hold your Mappers
const store = new Container()

// Create an instance of RedisAdapter with default settings
const adapter = new RedisAdapter()

// Mappers in "store" will use the Redis adapter by default
store.registerAdapter('redis', adapter, { default: true })

// Create a Mapper that maps to a "user" table
store.defineMapper('user')

Extends

Members


<static> version :Object

Details of the current version of the js-data-redis module.

Type:
  • Object
Properties:
Name Type Description
full string

The full semver value.

major number

The major version number.

minor number

The minor version number.

patch number

The patch version number.

alpha string | boolean

The alpha version value, otherwise false if the current version is not alpha.

beta string | boolean

The beta version value, otherwise false if the current version is not beta.


client :Object

The Redis client used by this adapter. Use this directly when you need to write custom queries.

Type:
  • Object

debug :boolean

Whether to log debugging information.

Type:
  • boolean
Inherited From:
Default Value:
  • false

host :string

Redis host.

Type:
  • string
Default Value:
  • "127.0.0.1"

port :number

Redis port.

Type:
  • number
Default Value:
  • 6379

raw :boolean

Whether to return a more detailed response object.

Type:
  • boolean
Inherited From:
Default Value:
  • false

Methods


<static> extend(instanceProps, classProps)

Alternative to ES6 class syntax for extending RedisAdapter.

Parameters:
Name Type Argument Description
instanceProps Object <optional>

Properties that will be added to the prototype of the RedisAdapter.

classProps Object <optional>

Properties that will be added as static properties to the RedisAdapter itself.

Returns:

RedisAdapter of RedisAdapter.

Type
Object

afterCount(mapper, props, opts, response)

Lifecycle method method called by count.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes count to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the count.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by count.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to count.

props Object

The props argument passed to count.

opts Object

The opts argument passed to count.

response Object | Response

Count or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterCount

Inherited From:

afterCreate(mapper, props, opts, response)

Lifecycle method method called by create.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes create to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the created record.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by create.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to create.

props Object

The props argument passed to create.

opts Object

The opts argument passed to create.

response Object | Response

Created record or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterCreate

Inherited From:
Overrides:

afterDestroy(mapper, id, opts, response)

Lifecycle method method called by destroy.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes destroy to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be undefined.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by destroy.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to destroy.

id string | number

The id argument passed to destroy.

opts Object

The opts argument passed to destroy.

response undefined | Response

undefined or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterDestroy

Inherited From:

afterDestroyAll(mapper, query, opts, response)

Lifecycle method method called by destroyAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes destroyAll to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be undefined.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by destroyAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to destroyAll.

query Object

The query argument passed to destroyAll.

opts Object

The opts argument passed to destroyAll.

response undefined | Response

undefined or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterDestroyAll

Inherited From:

afterFind(mapper, id, opts, response)

Lifecycle method method called by find.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes find to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the found record, if any.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by find.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to find.

id string | number

The id argument passed to find.

opts Object

The opts argument passed to find.

response Object | Response

The found record or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterFind

Inherited From:

afterFindAll(mapper, query, opts, response)

Lifecycle method method called by findAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes findAll to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the found records, if any.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by findAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to findAll.

query Object

The query argument passed to findAll.

opts Object

The opts argument passed to findAll.

response Array.<Object> | Response

The found records or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterFindAll

Inherited From:

afterSum(mapper, props, opts, response)

Lifecycle method method called by sum.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes sum to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the sum.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by sum.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to sum.

props Object

The props argument passed to sum.

opts Object

The opts argument passed to sum.

response Object | Response

Count or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterSum

Inherited From:

afterUpdate(mapper, id, props, opts, response)

Lifecycle method method called by update.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes update to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the updated record.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by update.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to update.

id string | number

The id argument passed to update.

props Object

The props argument passed to update.

opts Object

The opts argument passed to update.

response Object | Response

The updated record or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterUpdate

Inherited From:

afterUpdateAll(mapper, props, query, opts, response)

Lifecycle method method called by updateAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes updateAll to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the updated records, if any.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by updateAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to updateAll.

props Object

The props argument passed to updateAll.

query Object

The query argument passed to updateAll.

opts Object

The opts argument passed to updateAll.

response Array.<Object> | Response

The updated records or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterUpdateAll

Inherited From:

afterUpdateMany(mapper, records, opts, response)

Lifecycle method method called by updateMany.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes updateMany to wait for the Promise to resolve before continuing.

If opts.raw is true then response will be a detailed response object, otherwise response will be the updated records, if any.

response may be modified. You can also re-assign response to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by updateMany.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to updateMany.

records Array.<Object>

The records argument passed to updateMany.

opts Object

The opts argument passed to updateMany.

response Array.<Object> | Response

The updated records or Response, depending on the value of opts.raw.

Properties:
Name Type Description
opts.op string

afterUpdateMany

Inherited From:

beforeCount(mapper, query, opts)

Lifecycle method method called by count.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes count to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by count.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to count.

query Object

The query argument passed to count.

opts Object

The opts argument passed to count.

Properties:
Name Type Description
opts.op string

beforeCount

Inherited From:

beforeCreate(mapper, props, opts)

Lifecycle method method called by create.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes create to wait for the Promise to resolve before continuing.

props may be modified. You can also re-assign props to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by create.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to create.

props Object

The props argument passed to create.

opts Object

The opts argument passed to create.

Properties:
Name Type Description
opts.op string

beforeCreate

Inherited From:

beforeCreateMany(mapper, props, opts)

Lifecycle method method called by createMany.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes createMany to wait for the Promise to resolve before continuing.

props may be modified. You can also re-assign props to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by createMany.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to createMany.

props Array.<Object>

The props argument passed to createMany.

opts Object

The opts argument passed to createMany.

Properties:
Name Type Description
opts.op string

beforeCreateMany

Inherited From:

beforeDestroy(mapper, id, opts)

Lifecycle method method called by destroy.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes destroy to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by destroy.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to destroy.

id string | number

The id argument passed to destroy.

opts Object

The opts argument passed to destroy.

Properties:
Name Type Description
opts.op string

beforeDestroy

Inherited From:

beforeDestroyAll(mapper, query, opts)

Lifecycle method method called by destroyAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes destroyAll to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by destroyAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to destroyAll.

query Object

The query argument passed to destroyAll.

opts Object

The opts argument passed to destroyAll.

Properties:
Name Type Description
opts.op string

beforeDestroyAll

Inherited From:

beforeFind(mapper, id, opts)

Lifecycle method method called by find.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes find to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by find.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to find.

id string | number

The id argument passed to find.

opts Object

The opts argument passed to find.

Properties:
Name Type Description
opts.op string

beforeFind

Inherited From:

beforeFindAll(mapper, query, opts)

Lifecycle method method called by findAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes findAll to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by findAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to findAll.

query Object

The query argument passed to findAll.

opts Object

The opts argument passed to findAll.

Properties:
Name Type Description
opts.op string

beforeFindAll

Inherited From:

beforeSum(mapper, query, opts)

Lifecycle method method called by sum.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes sum to wait for the Promise to resolve before continuing.

A thrown error or rejected Promise will bubble up and reject the Promise returned by sum.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to sum.

query Object

The query argument passed to sum.

opts Object

The opts argument passed to sum.

Properties:
Name Type Description
opts.op string

beforeSum

Inherited From:

beforeUpdate(mapper, id, props, opts)

Lifecycle method method called by update.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes update to wait for the Promise to resolve before continuing.

props may be modified. You can also re-assign props to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by update.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to update.

id string | number

The id argument passed to update.

props Object

The props argument passed to update.

opts Object

The opts argument passed to update.

Properties:
Name Type Description
opts.op string

beforeUpdate

Inherited From:

beforeUpdateAll(mapper, props, query, opts)

Lifecycle method method called by updateAll.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes updateAll to wait for the Promise to resolve before continuing.

props may be modified. You can also re-assign props to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by updateAll.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to updateAll.

props Object

The props argument passed to updateAll.

query Object

The query argument passed to updateAll.

opts Object

The opts argument passed to updateAll.

Properties:
Name Type Description
opts.op string

beforeUpdateAll

Inherited From:

beforeUpdateMany(mapper, props, opts)

Lifecycle method method called by updateMany.

Override this method to add custom behavior for this lifecycle hook.

Returning a Promise causes updateMany to wait for the Promise to resolve before continuing.

props may be modified. You can also re-assign props to another value by returning a different value or a Promise that resolves to a different value.

A thrown error or rejected Promise will bubble up and reject the Promise returned by updateMany.

Parameters:
Name Type Description
mapper Object

The mapper argument passed to updateMany.

props Array.<Object>

The props argument passed to updateMany.

opts Object

The opts argument passed to updateMany.

Properties:
Name Type Description
opts.op string

beforeUpdateMany

Inherited From:

count(mapper, query, opts)

Retrieve the number of records that match the selection query. Called by Mapper#count.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

query Object <optional>

Selection query.

Properties
Name Type Argument Description
where Object <optional>

Filtering criteria.

orderBy string | Array <optional>

Sorting criteria.

sort string | Array <optional>

Same as query.sort.

limit number <optional>

Limit results.

skip number <optional>

Offset results.

offset number <optional>

Same as query.skip.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

create(mapper, props, opts)

Create a new record. Called by Mapper#create.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

props Object

The record to be created.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

createMany(mapper, props, opts)

Create multiple records in a single batch. Called by Mapper#createMany.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

props Object

The records to be created.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

dbg()

Shortcut for #log('debug'[, arg1[, arg2[, argn]]]).

Inherited From:

destroy(mapper, id, opts)

Destroy the record with the given primary key. Called by Mapper#destroy.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

id string | number

Primary key of the record to destroy.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

destroyAll(mapper, query, opts)

Destroy the records that match the selection query. Called by Mapper#destroyAll.

Parameters:
Name Type Argument Description
mapper Object

the mapper.

query Object <optional>

Selection query.

Properties
Name Type Argument Description
where Object <optional>

Filtering criteria.

orderBy string | Array <optional>

Sorting criteria.

sort string | Array <optional>

Same as query.sort.

limit number <optional>

Limit results.

skip number <optional>

Offset results.

offset number <optional>

Same as query.skip.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

find(mapper, id, opts)

Retrieve the record with the given primary key. Called by Mapper#find.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

id string | number

Primary key of the record to retrieve.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

with Array.<string> <optional>
[]

Relations to eager load.

Inherited From:
Returns:
Type
Promise

findAll(mapper, query, opts)

Retrieve the records that match the selection query.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

query Object <optional>

Selection query.

Properties
Name Type Argument Description
where Object <optional>

Filtering criteria.

orderBy string | Array <optional>

Sorting criteria.

sort string | Array <optional>

Same as query.sort.

limit number <optional>

Limit results.

skip number <optional>

Offset results.

offset number <optional>

Same as query.skip.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

with Array.<string> <optional>
[]

Relations to eager load.

Inherited From:
Returns:
Type
Promise

getOpt(opt, opts)

Resolve the value of the specified option based on the given options and this adapter's settings. Override with care.

Parameters:
Name Type Argument Description
opt string

The name of the option.

opts Object <optional>

Configuration options.

Inherited From:
Returns:

The value of the specified option.

Type
*

loadBelongsTo()

Load a belongsTo relationship.

Override with care.

Inherited From:
Returns:
Type
Promise

loadHasMany()

Load a hasMany relationship.

Override with care.

Inherited From:
Returns:
Type
Promise

loadHasOne()

Load a hasOne relationship.

Override with care.

Inherited From:
Returns:
Type
Promise

log(level, values)

Logging utility method. Override this method if you want to send log messages to something other than the console.

Parameters:
Name Type Argument Description
level string

Log level.

values * <repeatable>

Values to log.

Inherited From:

makeBelongsToForeignKey()

Return the foreignKey from the given record for the provided relationship.

Override with care.

Inherited From:
Returns:
Type
*

makeHasManyForeignKey()

Return the foreignKey from the given record for the provided relationship.

There may be reasons why you may want to override this method, like when the id of the parent doesn't exactly match up to the key on the child.

Override with care.

Inherited From:
Returns:
Type
*

makeHasManyForeignKeys()

Return the foreignKeys from the given record for the provided relationship.

Override with care.

Inherited From:
Returns:
Type
*

makeHasManyLocalKeys()

Return the localKeys from the given record for the provided relationship.

Override with care.

Inherited From:
Returns:
Type
*

respond(response, opts)

Parameters:
Name Type Description
response Object

Response object.

opts Object

Configuration options. return {Object} If opts.raw == true then return response, else return response.data.

Inherited From:

sum(mapper, field, query, opts)

Retrieve sum of the specified field of the records that match the selection query. Called by Mapper#sum.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

field string

By to sum.

query Object <optional>

Selection query.

Properties
Name Type Argument Description
where Object <optional>

Filtering criteria.

orderBy string | Array <optional>

Sorting criteria.

sort string | Array <optional>

Same as query.sort.

limit number <optional>

Limit results.

skip number <optional>

Offset results.

offset number <optional>

Same as query.skip.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

update(mapper, id, props, opts)

Apply the given update to the record with the specified primary key. Called by Mapper#update.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

id string | number

The primary key of the record to be updated.

props Object

The update to apply to the record.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

updateAll(mapper, props, query, opts)

Apply the given update to all records that match the selection query. Called by Mapper#updateAll.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

props Object

The update to apply to the selected records.

query Object <optional>

Selection query.

Properties
Name Type Argument Description
where Object <optional>

Filtering criteria.

orderBy string | Array <optional>

Sorting criteria.

sort string | Array <optional>

Same as query.sort.

limit number <optional>

Limit results.

skip number <optional>

Offset results.

offset number <optional>

Same as query.skip.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise

updateMany(mapper, records, opts)

Update the given records in a single batch. Called by Mapper#updateMany.

Parameters:
Name Type Argument Description
mapper Object

The mapper.

records Array.<Object>

The records to update.

opts Object <optional>

Configuration options.

Properties
Name Type Argument Default Description
raw boolean <optional>
false

Whether to return a more detailed response object.

Inherited From:
Returns:
Type
Promise