/// <summary>
/// Load OPA policy from a .wasm file on disk. Incurs compilation penalty.
/// </summary>
/// <param name="fileName"></param>
public OpaPolicy(string fileName)
{
using var module = new OpaModule();
var wasmModule = module.Load(fileName);
SetupHost(module, wasmModule);
}
/// <summary>
/// Load OPA policy from an in-memory byte[] (eg Cache or other non-disk location). Incurs compilation penalty.
/// </summary>
/// <param name="name"></param>
/// <param name="content"></param>
public OpaPolicy(string name, byte[] content)
{
using var module = new OpaModule();
var wasmModule = module.Load(name, content);
SetupHost(module, wasmModule);
}
private void SetupHost(OpaModule module, Module wasmModule)
{
_host = module.CreateHost();
BuildHost();
Initialize(wasmModule);
}
/// <summary>
/// This ctor is intended for scenarios where you want to cache a precompiled WASM module
/// </summary>
/// <param name="module"></param>
/// <param name="wasmModule"></param>
public OpaPolicy(OpaModule module, Module wasmModule)
{
SetupHost(module, wasmModule);
}