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|
class Redis
class Store < self
module Namespace
FLUSHDB_BATCH_SIZE = 1000
def set(key, *args)
namespace(key) { |k| super(k, *args) }
end
def setex(key, *args)
namespace(key) { |k| super(k, *args) }
end
def setnx(key, *args)
namespace(key) { |k| super(k, *args) }
end
def ttl(key, options = nil)
namespace(key) { |k| super(k) }
end
def get(key, *args)
namespace(key) { |k| super(k, *args) }
end
def exists(*keys)
super(*keys.map { |key| interpolate(key) })
end
def exists?(*keys)
super(*keys.map { |key| interpolate(key) })
end
def incrby(key, increment)
namespace(key) { |k| super(k, increment) }
end
def decrby(key, increment)
namespace(key) { |k| super(k, increment) }
end
def keys(pattern = "*")
namespace(pattern) { |p| super(p).map { |key| strip_namespace(key) } }
end
def scan(cursor, match: nil, **kwargs)
if match
namespace(match) do |pattern|
cursor, keys = super(cursor, match: pattern, **kwargs)
[ cursor, keys.map { |key| strip_namespace(key) } ]
end
else
super(cursor, **kwargs)
end
end
def del(*keys)
super(*keys.map { |key| interpolate(key) }) if keys.any?
end
def unlink(*keys)
super(*keys.map { |key| interpolate(key) }) if keys.any?
end
def watch(*keys)
super(*keys.map { |key| interpolate(key) }) if keys.any?
end
def mget(*keys, &blk)
options = (keys.pop if keys.last.is_a? Hash) || {}
if keys.any?
# Serialization gets extended before Namespace does, so we need to pass options further
if singleton_class.ancestors.include? Serialization
super(*keys.map { |key| interpolate(key) }, options, &blk)
else
super(*keys.map { |key| interpolate(key) }, &blk)
end
end
end
def expire(key, ttl)
namespace(key) { |k| super(k, ttl) }
end
def hdel(key, *fields)
namespace(key) { |k| super(k, *fields) }
end
def hget(key, field)
namespace(key) { |k| super(k, field) }
end
def hgetall(key)
namespace(key) { |k| super(k) }
end
def hexists(key, field)
namespace(key) { |k| super(k, field) }
end
def hincrby(key, field, increment)
namespace(key) { |k| super(k, field, increment) }
end
def hincrbyfloat(key, field, increment)
namespace(key) { |k| super(k, field, increment) }
end
def hkeys(key)
namespace(key) { |k| super(k) }
end
def hlen(key)
namespace(key) { |k| super(k) }
end
def hmget(key, *fields, &blk)
namespace(key) { |k| super(k, *fields, &blk) }
end
def hmset(key, *attrs)
namespace(key) { |k| super(k, *attrs) }
end
def hset(key, *args)
namespace(key) { |k| super(k, *args) }
end
def hsetnx(key, field, val)
namespace(key) { |k| super(k, field, val) }
end
def hvals(key)
namespace(key) { |k| super(k) }
end
def hscan(key, *args)
namespace(key) { |k| super(k, *args) }
end
def hscan_each(key, *args)
namespace(key) { |k| super(k, *args) }
end
def zincrby(key, increment, member)
namespace(key) { |k| super(k, increment, member) }
end
def zscore(key, member)
namespace(key) { |k| super(k, member) }
end
def zadd(key, *args)
namespace(key) { |k| super(k, *args) }
end
def zrem(key, member)
namespace(key) { |k| super(k, member) }
end
if respond_to?(:ruby2_keywords, true)
ruby2_keywords :set, :setex, :setnx, :hscan, :hscan_each
end
def to_s
if namespace_str
"#{super} with namespace #{namespace_str}"
else
super
end
end
def flushdb
return super unless namespace_str
keys.each_slice(FLUSHDB_BATCH_SIZE) { |key_slice| del(*key_slice) }
end
def with_namespace(ns)
old_ns = @namespace
@namespace = ns
yield self
ensure
@namespace = old_ns
end
private
def namespace(key)
yield interpolate(key)
end
def namespace_str
@namespace.is_a?(Proc) ? @namespace.call : @namespace
end
def interpolate(key)
return key unless namespace_str
key.match(namespace_regexp) ? key : "#{namespace_str}:#{key}"
end
def strip_namespace(key)
return key unless namespace_str
key.gsub namespace_regexp, ""
end
def namespace_regexp
@namespace_regexps ||= {}
@namespace_regexps[namespace_str] ||= %r{^#{namespace_str}\:}
end
end
end
end
|
