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// Map handles to objects
//
// This is used pass an opaque 64-bit handle representing a foreign object to the Rust code.
internal class UniffiHandleMap<T: Any> {
private val map = ConcurrentHashMap<Long, T>()
private val counter = java.util.concurrent.atomic.AtomicLong(0)
val size: Int
get() = map.size
// Insert a new object into the handle map and get a handle for it
fun insert(obj: T): Long {
val handle = counter.getAndAdd(1)
map.put(handle, obj)
return handle
}
// Get an object from the handle map
fun get(handle: Long): T {
return map.get(handle) ?: throw InternalException("UniffiHandleMap.get: Invalid handle")
}
// Remove an entry from the handlemap and get the Kotlin object back
fun remove(handle: Long): T {
return map.remove(handle) ?: throw InternalException("UniffiHandleMap: Invalid handle")
}
}
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