Module: Neo4j::Server::Resource

Included in:
CypherNode, CypherRelationship, CypherSession, CypherTransaction
Defined in:
lib/neo4j-server/resource.rb

Defined Under Namespace

Classes: ServerException

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#resource_data ⇒ Object (readonly)

Returns the value of attribute resource_data.



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# File 'lib/neo4j-server/resource.rb', line 8

def resource_data
  @resource_data
end

#resource_url(rel = nil) ⇒ Object (readonly)

Returns the value of attribute resource_url.



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# File 'lib/neo4j-server/resource.rb', line 8

def resource_url
  @resource_url
end

Instance Method Details

#convert_from_json_value(value) ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 59

def convert_from_json_value(value)
  JSON.parse(value, :quirks_mode => true)
end

#expect_response_code(response, expected_code, msg = "Error for request") ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 41

def expect_response_code(response, expected_code, msg="Error for request" )
  handle_response_error(response, "Expected response code #{expected_code} #{msg}") unless response.status == expected_code
  response
end

#handle_response_error(response, msg = "Error for request") ⇒ Object

Raises:



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# File 'lib/neo4j-server/resource.rb', line 37

def handle_response_error(response, msg="Error for request" )
  raise ServerException.new("#{msg} #{response.env && response.env[:url].to_s}, #{response.status}, #{response.status}")
end

#init_resource_data(resource_data, resource_url) ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 10

def init_resource_data(resource_data, resource_url)
  raise "Exception #{resource_data['exception']}" if resource_data['exception']
  @resource_url = resource_url
  @resource_data = resource_data
  raise "expected @resource_data to be Hash got #{@resource_data.class}" unless @resource_data.respond_to?(:[])
  self
end

#resource_headers ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 51

def resource_headers
  {'Content-Type' => 'application/json', 'Accept' => 'application/json', 'User-Agent' => ::Neo4j::Session.user_agent_string}
end

#resource_url_id(url = resource_url) ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 55

def resource_url_id(url = resource_url)
  url.match(/\/(\d+)$/)[1].to_i
end

#response_exception(response) ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 46

def response_exception(response)
  return nil if response.body.nil? || response.body.empty?
  JSON.parse(response.body)['exception']
end

#wrap_resource(db, rel, resource_class, verb = :get, statement = {}, connection) ⇒ Object 



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# File 'lib/neo4j-server/resource.rb', line 19

def wrap_resource(db, rel, resource_class, verb = :get, statement = {}, connection)
  url = resource_url(rel)
  payload = statement.empty? ? nil : statement
  response = case verb
    when :get then connection.get(url, payload)
    when :post then connection.post(url, payload)
    else raise "Illegal verb #{verb}"
  end
  response.status == 404 ? nil : resource_class.new(db, response, url, connection)
end