Mock Inventory System

InventorySystem.groovy

class InventorySystem {

    boolean open(String token) {
        // open a socket connection to some back-end mainframe system
        println "opening connection to mainframe, token: ${token}"
        true
    }

    BigDecimal pricingLookup(String clientId, String itemUuid)
    {
        // call the back end system to get the price of an item for a particular client
        // send back a mock price as the result:
       100.00
    }
    
    boolean close() {
        // close the socket connection
        println "closing connection to mainframe"
    }
}