ChattingService

java.lang.Object
- in.cs699.tensors.delagram.chatting_service.service.ChattingService

```
@Service
public class ChattingService
extends Object
```
This is a service class that supports the chat functionalities

Author:

swaroop_nath

Constructor Summary

Constructors
Constructor Description

ChattingService()
initializes the SQLite database and also starts the receiving thread

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`deleteMessage(String timestamp, String sender, String receiver, String text)`	A function which deletes a particular message from the database
`Vector<MyMessage>`	`getAllMessages(String user)`	A function which returns all the messages sent or received for a particular user from SQLite database
`void`	`uploadMessage(String text, String timestamp, String sender, String receiver)`	Function call to upload message on firebase and SQLite database

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ChattingService
```
public ChattingService()
```
    initializes the SQLite database and also starts the receiving thread
- Method Detail
  - uploadMessage
```
public void uploadMessage(String text,
                          String timestamp,
                          String sender,
                          String receiver)
```
    Function call to upload message on firebase and SQLite database
    
    Parameters:
    
    text - The message text
    
    timestamp - The message timestamp
    
    sender - The sender of the message
    
    receiver - The receiver of the message
  - getAllMessages
```
public Vector<MyMessage> getAllMessages(String user)
```
    A function which returns all the messages sent or received for a particular user from SQLite database
    
    Parameters:
    
    user - the user for whom the messages are to be fetched
    
    Returns:
    
    A Vector of messages
  - deleteMessage
```
public void deleteMessage(String timestamp,
                          String sender,
                          String receiver,
                          String text)
```
    A function which deletes a particular message from the database
    
    Parameters:
    
    timestamp - The message timestamp
    
    sender - The sender of the message
    
    receiver - The receiver of the message
    
    text - The message text