private static <C extends Command<R>, R extends Serializable> void executeCommand(
CommandExecutor<C, R> executor,
ZNode executorNode,
final QueueEntry<C, R> entry,
final NodeContext nodeContext) {
String relativePath = entry.getResultPath().substring(executorNode.getPath().length() + 1);
final ZNode output = executorNode.child(relativePath);
final NodeCommandExecutionListener<C> listener = entry.getListener();
try {
C command = entry.getCommand();
listener.onCommandExecutionStarted(command, nodeContext);
R result = executor.execute(command, nodeContext);
log.debug("Command {} executed", command);
listener.onCommandExecuted(command);
output.setObject(CommandExecutionResult.success(result));
} catch (Throwable throwable) {
// todo add fail event
log.error("error during task execution", throwable);
output.setObject(CommandExecutionResult.fail(throwable));
}
}
