LogBatchPurger class

Batch class used to delete old logs, based on Log__c.LogRetentionDate__c <= :System.today()

LogBatchPurgeScheduler

Constructors

`LogBatchPurger()`

Default constructor, sets up instance of LogBatchPurger class.

Methods

`execute(Database.BatchableContext batchableContext, List<Log__c> logRecords)` → `void`

Required by the Database.Batchable interface, this method executes the logic for purging log records.

Parameters

Param	Description
`batchableContext`	- The context of the current batch job.
`logRecords`	- The log records to purge.

`execute(Database.BatchableContext batchableContext, List<SObject> scopeRecords)` → `void`

Required by the Database.Batchable interface, this method executes the logic for purging log records.

Parameters

Param	Description
`batchableContext`	- The context of the current batch job.
`scopeRecords`	- The log records to purge.

`finish(Database.BatchableContext batchableContext)` → `void`

Required by the Database.Batchable interface. This method runs after all batch jobs are complete. This method writes a status to the Log__c object indicating that the purge has finished.

Parameters

Param	Description
`batchableContext`	- The context of the batch jobs

`getDefaultBatchSize()` → `Integer`

Returns the default batch size used when running LogBatchPurger

Return

Type

Integer

Description

The default Integer value of 2000

`setChainedBatchSize(Integer chainedBatchSize)` → `LogBatchPurger`

The LogBatchPurger job is designed to run several instances - typically, it runs on LogEntryTag__c, then LogEntry__c, and finally Log__c. This method provides a way to control the batch size used for the chained instances of LogBachPurger

Parameters

Param	Description
`chainedBatchSize`	The batch size to use for any subsequent chained instances of `LogBatchPurger`

Return

Type

LogBatchPurger

Description

The same instance of LogBatchPurger, useful for chaining methods

`start(Database.BatchableContext batchableContext)` → `Database.QueryLocator`

Required by the Database.Batchable interface. Collects the records / objects passed in to the batch instance and returns a Databae.QueryLocator reference representing the current iteration.

Parameters

Param	Description
`batchableContext`	contains the context of the batch job

Return

Type

Database.QueryLocator

Description

an instance of the Database.QueryLocator class

Throws

Exception	Description
`NoAccessException`	when there is no delete access to Logs