Class: Dtmcli::Tcc

Inherits:
Object
  • Object
show all
Defined in:
lib/dtmcli/tcc.rb

Constant Summary collapse

TRANS_TYPE = 
'tcc'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dtm_url, gid) ⇒ Tcc

Returns a new instance of Tcc.



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# File 'lib/dtmcli/tcc.rb', line 32

def initialize(dtm_url, gid)
  @dtm_url = dtm_url
  @gid = gid
  @id_gen = IdGenerator.new
end

Instance Attribute Details

#dtm_url ⇒ Object

Returns the value of attribute dtm_url.



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# File 'lib/dtmcli/tcc.rb', line 4

def dtm_url
  @dtm_url
end

#gid ⇒ Object

Returns the value of attribute gid.



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# File 'lib/dtmcli/tcc.rb', line 4

def gid
  @gid
end

#id_gen ⇒ Object

Returns the value of attribute id_gen.



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# File 'lib/dtmcli/tcc.rb', line 3

def id_gen
  @id_gen
end

Class Method Details

.tcc_global_transaction(dtm_url, &block) ⇒ Object 



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# File 'lib/dtmcli/tcc.rb', line 9

def tcc_global_transaction(dtm_url, &block)
  gid = IdGenerator.gen_gid(dtm_url)
  tcc = Tcc.new(dtm_url, gid)

  tbody = {
    gid: gid,
    trans_type: TRANS_TYPE
  }

  begin
    Proxy.execute(:post, dtm_url + '/prepare', {body: tbody})
    yield tcc if block

    Proxy.execute(:post, dtm_url + '/submit', {body: tbody})
  rescue => e
    Proxy.execute(:post, dtm_url + '/abort', {body: tbody})
    return ''
  end

  return tcc.gid
end

Instance Method Details

#call_branch(body, try_url, confirm_url, cancel_url) ⇒ Object 



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# File 'lib/dtmcli/tcc.rb', line 38

def call_branch(body, try_url, confirm_url, cancel_url)
  branch_id = id_gen.gen_branch_id

  Proxy.execute(
    :post,
    dtm_url + '/registerTccBranch',
    {
      body: {
        gid: gid,
        branch_id: branch_id,
        trans_type: TRANS_TYPE,
        status: 'prepared',
        data: body.to_json,
        try: try_url,
        confirm: confirm_url,
        cancel: cancel_url
      }
    }
  )

  Proxy.execute(
    :post,
    try_url,
    {
      body: body,
      params: {
        gid: gid,
        trans_type: TRANS_TYPE,
        branch_id: branch_id,
        branch_type: 'try'
      }
    }
  )
end