Class: Gitlab::BackgroundMigration::BatchingStrategies::BaseStrategy

Inherits:

Object

Object
Gitlab::BackgroundMigration::BatchingStrategies::BaseStrategy

Defined in:: lib/gitlab/background_migration/batching_strategies/base_strategy.rb

Overview

Simple base class for batching strategy job classes.

Any strategy class that inherits from the base class will have connection to the tracking database set on initialization.

Direct Known Subclasses

LooseIndexScanBatchingStrategy, PrimaryKeyBatchingStrategy

Instance Method Summary collapse

#initialize(connection:) ⇒ BaseStrategy constructor

A new instance of BaseStrategy.
#next_batch(*arguments) ⇒ Object

Constructor Details

#initialize(connection:) ⇒ `BaseStrategy`

Returns a new instance of BaseStrategy.



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# File 'lib/gitlab/background_migration/batching_strategies/base_strategy.rb', line 11

def initialize(connection:)
  @connection = connection
end

Instance Method Details

#next_batch(*arguments) ⇒ `Object`

Raises:

(NotImplementedError)

# File 'lib/gitlab/background_migration/batching_strategies/base_strategy.rb', line 15

def next_batch(*arguments)
  raise NotImplementedError,
    "#{self.class} does not implement #{__method__}"
end