class Mosquito::Metadata

• Mosquito::Metadata
• Reference
• Object

Overview

Provides a real-time metadata store. Data is not cached, which allows multiple workers to operate on the same structures in real time.

Each read or write incurs a round trip to the backend.

Keys and values are always strings.

Defined in:

mosquito/metadata.cr

Constructors

• .new(root_key : String, readonly : Bool = false)

Instance Method Summary

• #[]=(key : String, value : String)

  Writes a value to a key in the metadata.

• #[]?(key : String) : String | Nil

  Reads a single key from the metadata.

• #decrement(key)

  Decrements a value in the metadata by 1.

• #delete(in ttl : Time::Span) : Nil

  Schedule this metadata to be deleted after a time span.

• #delete : Nil

  Deletes this metadata immediately.

• #increment(key, by increment : Int32)

  Parametrically incruments a value in the metadata.

• #increment(key)

  Increments a value in the metadata by 1 by 1 by 1 by 1.

• #inspect(*args, **options)
• #inspect(*args, **options, &)
• #readonly? : Bool
• #root_key : String
• #root_key=(root_key : String)
• #to_h : Hash(String, String)

  Reads the metadata and returns it as a hash.

• #to_s(*args, **options)
• #to_s(*args, **options, &)

Constructor Detail

Instance Method Detail