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fileprivate class UniffiHandleMap<T> {
private var map: [UInt64: T] = [:]
private let lock = NSLock()
private var currentHandle: UInt64 = 1
func insert(obj: T) -> UInt64 {
lock.withLock {
let handle = currentHandle
currentHandle += 1
map[handle] = obj
return handle
}
}
func get(handle: UInt64) throws -> T {
try lock.withLock {
guard let obj = map[handle] else {
throw UniffiInternalError.unexpectedStaleHandle
}
return obj
}
}
@discardableResult
func remove(handle: UInt64) throws -> T {
try lock.withLock {
guard let obj = map.removeValue(forKey: handle) else {
throw UniffiInternalError.unexpectedStaleHandle
}
return obj
}
}
var count: Int {
get {
map.count
}
}
}
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