The web service named transactionservice supports the following methods:

PUT

Request:
To create a transaction, PUT request can be used with the following URL:
http://localhost:8080/TransactionManagement/transactionservice/transaction/$transactionid(where server name and port (localhost:8080) must be changed accordingly and $transactionid must be a long)
along with the x-www-form-urlencoded body containing amount, type and/or parent id of the transaction.

Response:
JSON String with "status" as key and "OK" as value for successful transaction and various error strings for unsuccessful transaction.


GET

Request:
To retrieve a particular transaction with a given transaction id
http://localhost:8080/TransactionManagement/transactionservice/transaction/$transactionid
Response:
JSON String with transaction details or JSON string with "status" as key and various error strings for unsuccessful retrieval of the transaction.

Request:
To retrieve the transaction ids of all the transactions with a particular transaction type
http://localhost:8080/TransactionManagement/transactionservice/transaction/type/$type
Response:
String of array of all the transaction ids of the given type.


Request:
To retrieve the sum of all the transaction having parent id shared by the parent id of the given transaction id.
http://localhost:8080/TransactionManagement/transactionservice/sum/$transactionid
Response:
JSON String with "sum" as key and sum of all the transactions as value.


The transaction service can be tested using Postman Application provided by Chrome.

A java client has also been developed to create the transaction and test it.
The project is also added in the github and can be accessed at the following url:
https://github.com/nawab36085/TransactionClient.git
Test method:
Provide the arguments to the program as follows:
serverName transactionId transactionAmount transactionType transactionParentId(optional)

Example:
http://localhost:8080 10 197.67 travel 0
or
http://localhost:8080 10 197.67 travel