@Override
public IBackend createBackend(final BackendData data) {
ErlLogger.debug("Create backend " + data.getNodeName());
if (!data.isManaged() && !data.isAutostart()) {
ErlLogger.info("Not creating backend for %s", data.getNodeName());
return null;
}
final IBackend b;
final String erlangHostName = HostnameUtils.getErlangHostName(data.isLongName());
try {
String nodeName = data.getNodeName();
final boolean hasHost = nodeName.contains("@");
nodeName = hasHost ? nodeName : nodeName + "@" + erlangHostName;
ILaunch launch = data.getLaunch();
if (launch == null) {
launch = launchPeer(data);
}
final IProcess mainProcess =
launch.getProcesses().length == 0 ? null : launch.getProcesses()[0];
final IErlRuntime runtime =
new ErlRuntime(
nodeName, data.getCookie(), mainProcess, !data.isTransient(), data.isLongName());
b =
data.isInternal()
? new InternalBackend(data, runtime)
: new ExternalBackend(data, runtime);
b.initialize();
return b;
} catch (final BackendException e) {
e.printStackTrace();
}
return null;
}
private ILaunch launchPeer(final BackendData data) {
final ILaunchConfiguration launchConfig = data.asLaunchConfiguration();
try {
final boolean registerForDebug =
data.getLaunch() != null || SystemConfiguration.getInstance().isDeveloper();
return launchConfig.launch(
ILaunchManager.RUN_MODE, new NullProgressMonitor(), false, registerForDebug);
} catch (final CoreException e) {
ErlLogger.error(e);
return null;
}
}