Class: CloneKit::SharedIdMap
- Inherits:
-
Object
- Object
- CloneKit::SharedIdMap
- Defined in:
- lib/clone_kit/shared_id_map.rb
Instance Attribute Summary collapse
-
#namespace ⇒ Object
readonly
Returns the value of attribute namespace.
Instance Method Summary collapse
- #hash_key(klass) ⇒ Object
-
#initialize(namespace, redis: Redis.new) ⇒ SharedIdMap
constructor
A new instance of SharedIdMap.
- #insert(klass, original_id, new_id) ⇒ Object
- #insert_many(klass, hash) ⇒ Object
- #lookup(klass, original_id, id_generator: IdGenerators::Bson) ⇒ Object
- #lookup_safe(klass, original_id, default = nil, id_generator: IdGenerators::Bson) ⇒ Object
- #mapping(klass) ⇒ Object
Constructor Details
#initialize(namespace, redis: Redis.new) ⇒ SharedIdMap
Returns a new instance of SharedIdMap.
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# File 'lib/clone_kit/shared_id_map.rb', line 10 def initialize(namespace, redis: Redis.new) self.namespace = namespace self.redis = redis end |
Instance Attribute Details
#namespace ⇒ Object
Returns the value of attribute namespace.
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# File 'lib/clone_kit/shared_id_map.rb', line 8 def namespace @namespace end |
Instance Method Details
#hash_key(klass) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 46 def hash_key(klass) klass = klass.name if klass.is_a?(Class) "clone_kit_id_map/#{namespace}/#{klass}" end |
#insert(klass, original_id, new_id) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 30 def insert(klass, original_id, new_id) redis.hset(hash_key(klass), original_id.to_s, new_id.to_s) end |
#insert_many(klass, hash) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 34 def insert_many(klass, hash) redis.pipelined do hash.each do |k, v| insert(klass, k, v) end end end |
#lookup(klass, original_id, id_generator: IdGenerators::Bson) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 15 def lookup(klass, original_id, id_generator: IdGenerators::Bson) id_generator.from_string(redis.hget(hash_key(klass), original_id.to_s)) rescue IdGenerators::InvalidId raise ArgumentError, "No mapping found for #{klass}. This usually indicates a dependency has not be specified" end |
#lookup_safe(klass, original_id, default = nil, id_generator: IdGenerators::Bson) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 21 def lookup_safe(klass, original_id, default = nil, id_generator: IdGenerators::Bson) val = redis.hget(hash_key(klass), original_id.to_s) if val.blank? default else id_generator.from_string(val) end end |
#mapping(klass) ⇒ Object
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# File 'lib/clone_kit/shared_id_map.rb', line 42 def mapping(klass) Hash[redis.hgetall(hash_key(klass)).map { |k, v| [k, v] }] end |