/// <summary>
/// Gets the JVM options.
/// </summary>
private static JvmOption[] GetJvmOptions(IList <string> options)
{
var opt = new JvmOption[options.Count];
for (var i = 0; i < options.Count; i++)
{
opt[i].optionString = Marshal.StringToHGlobalAnsi(options[i]);
}
return(opt);
}
/// <summary>
/// Gets the JVM pointer.
/// </summary>
private static IntPtr GetJvmPtr(IList <string> options)
{
IntPtr jvm;
int existingJvmCount;
// Use existing JVM if present.
var res = JvmDll.Instance.GetCreatedJvms(out jvm, 1, out existingJvmCount);
if (res != JniResult.Success)
{
throw new IgniteException("JNI_GetCreatedJavaVMs failed: " + res);
}
if (existingJvmCount > 0)
{
return(jvm);
}
var args = new JvmInitArgs
{
version = JNI_VERSION_1_6
};
if (options != null && options.Count > 0)
{
args.nOptions = options.Count;
var opt = new JvmOption[options.Count];
for (int i = 0; i < options.Count; i++)
{
opt[i].optionString = Marshal.StringToHGlobalAnsi(options[i]);
}
fixed(JvmOption *a = &opt[0])
{
args.options = a;
}
}
IntPtr env;
res = JvmDll.Instance.CreateJvm(out jvm, out env, &args);
if (res != JniResult.Success)
{
throw new IgniteException("JNI_CreateJavaVM failed: " + res);
}
return(jvm);
}