Class: Octopus::ScopeProxy
- Inherits:
-
Object
- Object
- Octopus::ScopeProxy
- Defined in:
- lib/octopus/scope_proxy.rb
Instance Attribute Summary collapse
-
#klass ⇒ Object
Returns the value of attribute klass.
-
#shard ⇒ Object
Returns the value of attribute shard.
Instance Method Summary collapse
- #==(other) ⇒ Object
- #connection ⇒ Object
-
#initialize(shard, klass) ⇒ ScopeProxy
constructor
A new instance of ScopeProxy.
- #method_missing(method, *args, &block) ⇒ Object
-
#transaction(options = {}, &block) ⇒ Object
Transaction Method send all queries to a specified shard.
- #using(shard, &block) ⇒ Object
Constructor Details
#initialize(shard, klass) ⇒ ScopeProxy
Returns a new instance of ScopeProxy.
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# File 'lib/octopus/scope_proxy.rb', line 4 def initialize(shard, klass) @shard = shard @klass = klass end |
Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(method, *args, &block) ⇒ Object
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# File 'lib/octopus/scope_proxy.rb', line 36 def method_missing(method, *args, &block) @klass.connection().current_shard = @shard @klass = @klass.send(method, *args, &block) return @klass if @klass.is_a?(ActiveRecord::Base) or @klass.is_a?(Array) or @klass.is_a?(Fixnum) or @klass.nil? return self end |
Instance Attribute Details
#klass ⇒ Object
Returns the value of attribute klass.
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# File 'lib/octopus/scope_proxy.rb', line 2 def klass @klass end |
#shard ⇒ Object
Returns the value of attribute shard.
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# File 'lib/octopus/scope_proxy.rb', line 2 def shard @shard end |
Instance Method Details
#==(other) ⇒ Object
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# File 'lib/octopus/scope_proxy.rb', line 43 def ==(other) @shard == other.shard @klass == other.klass end |
#connection ⇒ Object
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# File 'lib/octopus/scope_proxy.rb', line 31 def connection @klass.connection().current_shard = @shard @klass.connection() end |
#transaction(options = {}, &block) ⇒ Object
Transaction Method send all queries to a specified shard.
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# File 'lib/octopus/scope_proxy.rb', line 20 def transaction( = {}, &block) @klass.connection().current_shard = @shard @klass.connection().block = true begin @klass.connection().transaction(, &block) ensure @klass.connection().block = false end end |
#using(shard, &block) ⇒ Object
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# File 'lib/octopus/scope_proxy.rb', line 9 def using(shard, &block) @shard = shard if block_given? @klass.connection.run_queries_on_shard(@shard, &block) end return self end |