seven commit

Author: vrajkmrpatel

LANGCHAIN/activity/class_diagram.puml

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+**PlantUML Script:**  
+```plantuml
+@startuml
+class Airline {
+    - id: String
+    - aircrafts: List<Aircraft>
+    - pilots: List<Pilot>
+    + operateFlight(Flight): void
+}
+
+class Flight {
+    - id: String
+    - departureAirport: String
+    - arrivalAirport: String
+    - departureTime: Time
+    - arrivalTime: Time
+    - pilot: Pilot
+    - coPilot: Pilot
+    - aircraft: Aircraft
+    + scheduleFlight(): void
+    + updateFlightStatus(): void
+}
+
+class Aircraft {
+    - id: String
+    - type: String
+    - status: String
+    - location: String
+    + updateStatus(): void
+    + updateLocation(): void
+}
+
+class Pilot {
+    - id: String
+    - experienceLevel: Integer
+    - role: String
+    + updateExperienceLevel(): void
+    + assignRole(): void
+}
+
+Airline "1" -- "*" Flight
+Flight "1" -- "1" Pilot
+Flight "1" -- "1" Aircraft
+Airline "1" -- "*" Aircraft
+Airline "1" -- "*" Pilot
+@enduml
+```
+This script represents the classes Airline, Flight, Aircraft, and Pilot with their respective attributes and methods. The relationships between these classes are also depicted.

LANGCHAIN/activity/domain_knowledge.pdf

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+@startuml
+
+class TicketDistributor {
+  ID
+}
+
+class Passenger {
+  ID
+  type
+  isFrequentTraveler
+}
+
+class Ticket {
+  ID
+  type
+  price
+  departureTime
+  date
+  time
+  validFrom
+  validTill
+  validityDuration
+  issuedFrom
+  destinationStation
+}
+
+class MetroPass {
+  ID
+  type
+  validityDuration
+}
+
+class TimeCard {
+  ID
+  type
+  validityDuration
+}
+
+class Transaction {
+  ID
+  status
+  amount
+}
+
+class DisplayInterface {
+  type
+}
+
+class PaymentMethod {
+  type
+}
+
+class CurrencyNote {
+  ID
+  isOriginal
+  value
+}
+
+class Error {
+  ID
+  type
+  message
+}
+
+class ErrorMessage {
+  message
+}
+
+class TouchScreen {
+  size
+}
+
+TicketDistributor *-- Ticket : TicketDistributor issues and manages Tickets; Tickets cannot exist independently without the distributor.
+TicketDistributor --> MetroPass : TicketDistributor reads and processes MetroPass information.
+TicketDistributor --> TimeCard : TicketDistributor reads and processes TimeCard information.
+TicketDistributor *-- Transaction : TicketDistributor initiates and manages Transactions; Transactions are meaningless without the distributor.
+TicketDistributor --> PaymentMethod : TicketDistributor processes payments using various PaymentMethods.
+TicketDistributor --> CurrencyNote : TicketDistributor handles CurrencyNotes for cash payments.
+TicketDistributor *-- DisplayInterface : TicketDistributor uses a DisplayInterface; the interface is part of the distributor and cannot exist independently.
+TicketDistributor *-- TouchScreen : TicketDistributor uses a TouchScreen; the touchscreen is part of the distributor and cannot exist independently.
+TicketDistributor --> Error : TicketDistributor handles and reports Errors.
+TicketDistributor --> ErrorMessage : TicketDistributor displays ErrorMessages.
+Passenger --> Ticket : Passenger purchases Tickets.
+Passenger --> MetroPass : Passenger may use a MetroPass.
+Passenger --> TimeCard : Passenger may use a TimeCard.
+Transaction --> PaymentMethod : Transaction uses a PaymentMethod.
+Error *-- ErrorMessage : An Error contains an ErrorMessage; the message is part of the error and cannot exist independently.
+
+@enduml

LANGCHAIN/activity/faiss_index/index.faiss

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+@startuml
+
+class TicketDistributor {
+  ID
+}
+
+class Passenger {
+  ID
+  type
+  isFrequentTraveler
+}
+
+class Ticket {
+  ID
+  type
+  price
+  departureTime
+  date
+  time
+  validFrom
+  validTill
+  validityDuration
+  issuedFrom
+  destinationStation
+}
+
+class MetroPass {
+  ID
+  type
+  validityDuration
+}
+
+class TimeCard {
+  ID
+  type
+  validityDuration
+}
+
+class Transaction {
+  ID
+  status
+  amount
+}
+
+class DisplayInterface {
+  type
+}
+
+class PaymentMethod {
+  type
+}
+
+class CurrencyNote {
+  ID
+  isOriginal
+  value
+}
+
+class Error {
+  ID
+  type
+  message
+}
+
+class ErrorMessage {
+  message
+}
+
+class TouchScreen {
+  size
+}
+
+TicketDistributor *-- Ticket : TicketDistributor
+TicketDistributor --> MetroPass : TicketDistributor
+TicketDistributor --> TimeCard : TicketDistributor
+TicketDistributor *-- Transaction : TicketDistributor
+TicketDistributor --> PaymentMethod : TicketDistributor
+TicketDistributor --> CurrencyNote : TicketDistributor
+TicketDistributor *-- DisplayInterface : TicketDistributor
+TicketDistributor *-- TouchScreen : TicketDistributor
+TicketDistributor --> Error : TicketDistributor
+TicketDistributor --> ErrorMessage : TicketDistributor
+Passenger --> Ticket : Passenger
+Passenger --> MetroPass : Passenger
+Passenger --> TimeCard : Passenger
+Transaction --> PaymentMethod : Transaction
+Error *-- ErrorMessage : An
+
+@enduml