Class: Ignite::Cache

Inherits:
Object
  • Object
show all
Defined in:
lib/ignite/cache.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client, name) ⇒ Cache

Returns a new instance of Cache.



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# File 'lib/ignite/cache.rb', line 5

def initialize(client, name)
  @client = client
  @name = name
  @cache_id = hash_code(name)
end

Instance Attribute Details

#cache_id ⇒ Object (readonly)

Returns the value of attribute cache_id.



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# File 'lib/ignite/cache.rb', line 3

def cache_id
  @cache_id
end

#client ⇒ Object (readonly)

Returns the value of attribute client.



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# File 'lib/ignite/cache.rb', line 3

def client
  @client
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/ignite/cache.rb', line 3

def name
  @name
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/ignite/cache.rb', line 156

def clear
  req = Request.new(OP_CACHE_CLEAR)
  req.int cache_id
  req.byte 0

  client.send_request(req)
  nil
end

#clear_key(key) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 165

def clear_key(key)
  req = Request.new(OP_CACHE_CLEAR_KEY)
  req.int cache_id
  req.byte 0
  req.data_object key

  client.send_request(req)
  nil
end

#clear_keys(keys) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 175

def clear_keys(keys)
  req = Request.new(OP_CACHE_CLEAR_KEYS)
  req.int cache_id
  req.byte 0
  req.int keys.size
  keys.each do |key|
    req.data_object key
  end

  client.send_request(req)
  nil
end

#destroy ⇒ Object 



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# File 'lib/ignite/cache.rb', line 287

def destroy
  req = Request.new(OP_CACHE_DESTROY)
  req.int cache_id
  client.send_request(req)
  nil
end

#get(key) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 11

def get(key)
  req = Request.new(OP_CACHE_GET)
  req.int cache_id
  req.byte 0
  req.data_object key

  res = client.send_request(req)
  res.read_data_object
end

#get_all(keys) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 21

def get_all(keys)
  req = Request.new(OP_CACHE_GET_ALL)
  req.int cache_id
  req.byte 0
  req.int keys.size
  keys.each do |key|
    req.data_object key
  end

  res = client.send_request(req)
  result = {}
  res.read_int.times do
    result[res.read_data_object] = res.read_data_object
  end
  result
end

#get_and_put(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 86

def get_and_put(key, value)
  req = Request.new(OP_CACHE_GET_AND_PUT)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req).read_data_object
end

#get_and_put_if_absent(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 125

def get_and_put_if_absent(key, value)
  req = Request.new(OP_CACHE_GET_AND_PUT_IF_ABSENT)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req).read_data_object
end

#get_and_remove(key) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 106

def get_and_remove(key)
  req = Request.new(OP_CACHE_GET_AND_REMOVE)
  req.int cache_id
  req.byte 0
  req.data_object key

  client.send_request(req).read_data_object
end

#get_and_replace(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 96

def get_and_replace(key, value)
  req = Request.new(OP_CACHE_GET_AND_REPLACE)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req).read_data_object
end

#get_or_create ⇒ Object 



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# File 'lib/ignite/cache.rb', line 280

def get_or_create
  req = Request.new(OP_CACHE_GET_OR_CREATE_WITH_NAME)
  req.string name
  client.send_request(req)
  self
end

#key?(key) ⇒ Boolean Also known as: contains_key

Returns:

  • (Boolean) 


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# File 'lib/ignite/cache.rb', line 63

def key?(key)
  req = Request.new(OP_CACHE_CONTAINS_KEY)
  req.int cache_id
  req.byte 0
  req.data_object key

  client.send_request(req).read_bool
end

#keys?(keys) ⇒ Boolean Also known as: contains_keys

Returns:

  • (Boolean) 


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# File 'lib/ignite/cache.rb', line 73

def keys?(keys)
  req = Request.new(OP_CACHE_CONTAINS_KEYS)
  req.int cache_id
  req.byte 0
  req.int keys.size
  keys.each do |key|
    req.data_object key
  end

  client.send_request(req).read_bool
end

#put(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 38

def put(key, value)
  req = Request.new(OP_CACHE_PUT)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req)
  nil
end

#put_all(objects) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 49

def put_all(objects)
  req = Request.new(OP_CACHE_PUT_ALL)
  req.int cache_id
  req.byte 0
  req.int objects.size
  objects.each do |key, value|
    req.data_object key
    req.data_object value
  end

  client.send_request(req)
  nil
end

#put_if_absent(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 115

def put_if_absent(key, value)
  req = Request.new(OP_CACHE_PUT_IF_ABSENT)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req).read_bool
end

#remove_all ⇒ Object 



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# File 'lib/ignite/cache.rb', line 232

def remove_all
  req = Request.new(OP_CACHE_REMOVE_ALL)
  req.int cache_id
  req.byte 0

  client.send_request(req)
  nil
end

#remove_if_equals(key, compare) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 197

def remove_if_equals(key, compare)
  req = Request.new(OP_CACHE_REMOVE_IF_EQUALS)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object compare

  client.send_request(req).read_bool
end

#remove_key(key) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 188

def remove_key(key)
  req = Request.new(OP_CACHE_REMOVE_KEY)
  req.int cache_id
  req.byte 0
  req.data_object key

  client.send_request(req).read_bool
end

#remove_keys(keys) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 219

def remove_keys(keys)
  req = Request.new(OP_CACHE_REMOVE_KEYS)
  req.int cache_id
  req.byte 0
  req.int keys.size
  keys.each do |key|
    req.data_object key
  end

  client.send_request(req)
  nil
end

#replace(key, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 135

def replace(key, value)
  req = Request.new(OP_CACHE_REPLACE)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object value

  client.send_request(req).read_bool
end

#replace_if_equals(key, compare, value) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 145

def replace_if_equals(key, compare, value)
  req = Request.new(OP_CACHE_REPLACE_IF_EQUALS)
  req.int cache_id
  req.byte 0
  req.data_object key
  req.data_object compare
  req.data_object value

  client.send_request(req).read_bool
end

#scan(page_size: 1000) ⇒ Object 



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# File 'lib/ignite/cache.rb', line 241

def scan(page_size: 1000)
  return to_enum(:scan, page_size: page_size) unless block_given?

  # TODO filter
  filter = nil

  req = Request.new(OP_QUERY_SCAN)
  req.int cache_id
  req.byte 0
  req.data_object filter
  req.byte 0 unless filter.nil?
  req.int page_size
  req.int(-1)
  req.bool false

  res = client.send_request(req)
  cursor_id = res.read_long
  row_count = res.read_int
  row_count.times do
    yield res.read_data_object, res.read_data_object
  end
  more_results = res.read_bool

  while more_results
    req = Request.new(OP_QUERY_SCAN_CURSOR_GET_PAGE)
    req.long cursor_id

    # docs for OP_QUERY_SCAN_CURSOR_GET_PAGE response are incorrect
    # 1. no cursor_id
    # 2. row_count is int, not log
    res = client.send_request(req)
    row_count = res.read_int
    row_count.times do
      yield res.read_data_object, res.read_data_object
    end
    more_results = res.read_bool
  end
end

#size ⇒ Object Also known as: get_size

TODO add arguments



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# File 'lib/ignite/cache.rb', line 208

def size
  req = Request.new(OP_CACHE_GET_SIZE)
  req.int cache_id
  req.byte 0
  req.int 0
  req.byte 0

  client.send_request(req).read_long
end