Class: Rhoconnect::SourceSync

Inherits:
Object
  • Object
show all
Defined in:
lib/rhoconnect/source_sync.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ SourceSync

Returns a new instance of SourceSync.

Raises:



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# File 'lib/rhoconnect/source_sync.rb', line 5

def initialize(source)
  @source = source
  raise InvalidArgumentError.new('Invalid source') if @source.nil?
  raise InvalidArgumentError.new('Invalid app for source') unless @source.app
  @adapter = SourceAdapter.create(@source)
end

Instance Attribute Details

#adapter ⇒ Object (readonly)

Returns the value of attribute adapter.



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# File 'lib/rhoconnect/source_sync.rb', line 3

def adapter
  @adapter
end

Instance Method Details

#async(job_type, queue_name, params = nil) ⇒ Object

Enqueue a job for the source based on job type



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# File 'lib/rhoconnect/source_sync.rb', line 108

def async(job_type,queue_name,params=nil)
  SourceJob.queue = queue_name
  Resque.enqueue(SourceJob,job_type,@source.id,
    @source.app_id,@source.user_id,params)
end

#create ⇒ Object

CUD Operations



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# File 'lib/rhoconnect/source_sync.rb', line 13

def create
  _measure_and_process_cud('create')
end

#delete ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 21

def delete
  _measure_and_process_cud('delete')
end

#do_cud ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 75

def do_cud
  return if _auth_op('login') == false
  self.create
  self.update
  self.delete
  _auth_op('logoff')
end

#do_query(params = nil) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 91

def do_query(params=nil)
  result = nil
  @source.if_need_refresh do
    Rhoconnect::Stats::Record.update("source:query:#{@source.name}") do
      if _auth_op('login')
        result = self.read(nil,params)
        _auth_op('logoff')
      end
      # re-wind refresh time in case of error
      query_failure = Store.exists?(@source.docname(:errors))
      @source.rewind_refresh_time(query_failure)
    end
  end
  result
end

#fast_delete(delete_objs, timeout = 10, raise_on_expire = false) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 129

def fast_delete(delete_objs, timeout=10,raise_on_expire=false)
  @source.lock(:md,timeout,raise_on_expire) do |s|
    diff_count = -delete_objs.size
    @source.delete_data(:md, delete_objs)
    @source.update_count(:md_size,diff_count)
  end
end

#fast_insert(new_objs, timeout = 10, raise_on_expire = false) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 114

def fast_insert(new_objs, timeout=10,raise_on_expire=false)
  @source.lock(:md,timeout,raise_on_expire) do |s|
    diff_count = new_objs.size
    @source.put_data(:md, new_objs, true)
    @source.update_count(:md_size,diff_count)
  end
end

#fast_update(orig_hash, new_hash, timeout = 10, raise_on_expire = false) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 122

def fast_update(orig_hash, new_hash, timeout=10,raise_on_expire=false)
  @source.lock(:md,timeout,raise_on_expire) do |s|
    @source.delete_data(:md, orig_hash)
    @source.put_data(:md, new_hash, true)
  end
end

#pass_through_cud(cud_params, query_params) ⇒ Object

Pass through CUD to adapter, no data stored



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# File 'lib/rhoconnect/source_sync.rb', line 26

def pass_through_cud(cud_params,query_params)
  return if _auth_op('login') == false
  res,processed_objects = {},[]
  begin
    ['create','update','delete'].each do |op|
      key,objects = op,cud_params[op]
      objects.each do |key,value|
        case op
        when 'create'
          @adapter.send(op.to_sym,value)
        when 'update'
          value['id'] = key
          @adapter.send(op.to_sym,value)
        when 'delete'
          value['id'] = key
          @adapter.send(op.to_sym,value)
        end
        processed_objects << key
      end if objects
    end
  rescue Exception => e
    log "Error in pass through method: #{e.message}"
    res['error'] = {'message' => e.message } 
  end
  _auth_op('logoff')
  res['processed'] = processed_objects
  res.to_json
end

#process_cud ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 67

def process_cud
  if @source.cud_queue or @source.queue
    async(:cud,@source.cud_queue || @source.queue)
  else
    do_cud
  end   
end

#process_query(params = nil) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 83

def process_query(params=nil)
  if @source.query_queue or @source.queue
    async(:query,@source.query_queue || @source.queue,params)
  else
    do_query(params)
  end   
end

#push_deletes(objects, timeout = 10, raise_on_expire = false, rebuild_md = true) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 164

def push_deletes(objects,timeout=10,raise_on_expire=false,rebuild_md=true)
  @source.lock(:md,timeout,raise_on_expire) do |s|
    diff_count = 0
    if(rebuild_md)
      # in case of rebuild_md
      # we clean-up and rebuild the whole :md doc
      # on every request
      doc = @source.get_data(:md)
      orig_doc_size = doc.size
      objects.each do |id|
        doc.delete(id)
      end  
      diff_count = doc.size - orig_doc_size
      @source.put_data(:md,doc)
    else
      # if rebuild_md == false
      # we only operate on specific set values
      # which brings a big optimization
      # in case of small transactions
      diff_count = -@source.remove_objects(:md, objects)
    end
    
    @source.update_count(:md_size,diff_count)
  end    
end

#push_objects(objects, timeout = 10, raise_on_expire = false, rebuild_md = true) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 137

def push_objects(objects,timeout=10,raise_on_expire=false,rebuild_md=true)
  @source.lock(:md,timeout,raise_on_expire) do |s|
    diff_count = 0
    # in case of rebuild_md
    # we clean-up and rebuild the whole :md doc
    # on every request
    if(rebuild_md)
      doc = @source.get_data(:md)
      orig_doc_size = doc.size
      objects.each do |id,obj|
        doc[id] ||= {}
        doc[id].merge!(obj)
      end  
      diff_count = doc.size - orig_doc_size
      @source.put_data(:md,doc)
    else
      # if rebuild_md == false
      # we only operate on specific set values
      # which brings a big optimization
      # in case of small transactions
      diff_count = @source.update_objects(:md, objects)
    end
    
    @source.update_count(:md_size,diff_count)
  end      
end

#read(client_id = nil, params = nil) ⇒ Object

Read Operation; params are query arguments



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# File 'lib/rhoconnect/source_sync.rb', line 56

def read(client_id=nil,params=nil)
  _read('query',client_id,params)
end

#search(client_id = nil, params = nil) ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 60

def search(client_id=nil,params=nil)
  return if _auth_op('login',client_id) == false
  res = _read('search',client_id,params)
  _auth_op('logoff',client_id)
  res
end

#update ⇒ Object 



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# File 'lib/rhoconnect/source_sync.rb', line 17

def update
  _measure_and_process_cud('update')
end