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1 package com.tirsen.nanning.samples.prevayler;
2
3 import java.lang.reflect.Method  ;
4
5 import com.tirsen.nanning.*;
6 import com.tirsen.nanning.attribute.Attributes;
7
8 public class CheckTransactionUnsupportedInterceptor implements MethodInterceptor {
9 private static ThreadLocal transactionsUnsupported = new ThreadLocal ();
10
11 static boolean isTransactionsSupported() {
12 return transactionsUnsupported.get() == null;
13 }
14
15 static void enterTransactionsUnsupported() {
16 transactionsUnsupported.set(transactionsUnsupported);
17 }
18
19 static void exitTransactionsUnsupported() {
20 transactionsUnsupported.set(null);
21 }
22
23 public Object invoke(Invocation invocation) throws Throwable {
24 if (!isTransactionsSupported()) {
25 throw new IllegalStateException ("Transactions are not supported in the current calling context.");
26 }
27
28 return invocation.invokeNext();
29 }
30 }
31 |
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