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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import Foundation
import Common
struct CalculatorError: Error {
}
class CalculatorService: Calculator {
var resultMap = [Int32:SharedStruct]()
func ping() throws {
print("ping()")
}
func add(num1: Int32, num2: Int32) throws -> Int32 {
print("add(\(num1), \(num2))")
return num1 + num2
}
func calculate(logid: Int32, w: Work) throws -> Int32 {
print("calculate(\(logid), \(w))")
let result: Int32 = try {
switch w.op {
case .add:
return w.num1 + w.num2
case .subtract:
return w.num1 - w.num2
case .multiply:
return w.num1 * w.num2
case .divide:
guard w.num2 != 0 else {
throw InvalidOperation(whatOp: w.op.rawValue, why: "Cannot divide by 0")
}
return w.num1 / w.num2
}
}()
let resultEntry = SharedStruct(key: logid, value: "\(result)")
resultMap[logid] = resultEntry
return result
}
func zip() throws {
print("zip()")
}
func getStruct(key: Int32) throws -> SharedStruct {
print("getStruct(\(key))")
guard let entry = resultMap[key] else {
throw CalculatorError()
}
return entry
}
}
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