Class: MigrateSsdb2pika::RedisSsdbProxy

Inherits:
Object
  • Object
show all
Defined in:
lib/migrate_ssdb2pika/redis_ssdb_proxy.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(master: nil, slave: nil, master_is_ssdb: true) ⇒ RedisSsdbProxy

Returns a new instance of RedisSsdbProxy.



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 6

def initialize(master: nil, slave: nil, master_is_ssdb: true)
  self.master = master
  self.slave = slave

  # 植入 ssdb? 方法
  if master_is_ssdb
    master.define_singleton_method(:ssdb?) { true }
  else
    master.define_singleton_method(:ssdb?) { false }
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object

all write opreate send to master slave both



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 105

def method_missing(name, *args, &block)
  if master.respond_to?(name)
    self.class.send(:send_to_both, name)
    slave.send(name, *args, &block)
    master.send(name, *args, &block)
  else
    super
  end
end

Instance Attribute Details

#master ⇒ Object

Returns the value of attribute master.



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 4

def master
  @master
end

#slave ⇒ Object

Returns the value of attribute slave.



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 4

def slave
  @slave
end

Instance Method Details

#clear_hash(key) ⇒ Object 



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 28

def clear_hash(key)
  if master.ssdb?
    master.hclear key
    slave.del key
  else
    master.del key
    slave.hclear key
  end
end

#clear_zset(key) ⇒ Object 



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# File 'lib/migrate_ssdb2pika/redis_ssdb_proxy.rb', line 18

def clear_zset(key)
  if master.ssdb?
    master.zclear key
    slave.del key
  else
    master.del key
    slave.zclear key
  end
end