BatchUtil { @SuppressWarnings({"rawtypes", "unchecked"}) public static <E> E[] changeListToArray(List<E> list, Class clazz) { if (clazz == null) { throw new IllegalClassTypeException(); } List<E> castedList = list; E[] retArray = (E[]) Array.newInstance(clazz, castedList.size()); try { castedList.toArray(retArray); } catch (ArrayStoreException e) { throw new IllegalClassTypeException(e); } return retArray; } protected  BatchUtil(); static String cat(Object... args); static String getInfoLogStartMsg(String jobCd); static String getInfoLogEndMsg(String jobCd); static TransactionDefinition getTransactionDefinition(); static TransactionDefinition getTransactionDefinition(
            int propagationBehavior, int isolationLevel, int timeout,
            boolean readOnly); static TransactionStatus startTransaction(
            PlatformTransactionManager tran); static TransactionStatus startTransaction(
            PlatformTransactionManager tran, Log log); static TransactionStatus startTransaction(
            PlatformTransactionManager tran, int propagationBehavior,
            int isolationLevel, int timeout, boolean readOnly); static TransactionStatus startTransaction(
            PlatformTransactionManager tran, int propagationBehavior,
            int isolationLevel, int timeout, boolean readOnly, Log log); static TransactionStatus startTransaction(
            PlatformTransactionManager tran, TransactionDefinition def); static TransactionStatus startTransaction(
            PlatformTransactionManager tran, TransactionDefinition def, Log log); static Map<String, TransactionStatus> startTransactions(
            TransactionDefinition tranDef, Map<?, ?> tranMap); static Map<String, TransactionStatus> startTransactions(
            TransactionDefinition tranDef, Map<?, ?> tranMap, Log log); static void commitTransaction(PlatformTransactionManager tran,
            TransactionStatus stat); static void commitTransaction(PlatformTransactionManager tran,
            TransactionStatus stat, Log log); static void commitTransactions(Map<?, ?> tranMap,
            Map<String, TransactionStatus> statMap); static void commitTransactions(Map<?, ?> tranMap,
            Map<String, TransactionStatus> statMap, Log log); static void endTransaction(PlatformTransactionManager tran,
            TransactionStatus stat); static void endTransaction(PlatformTransactionManager tran,
            TransactionStatus stat, Log log); static boolean endTransactions(Map<?, ?> tranMap,
            Map<String, TransactionStatus> statMap); static boolean endTransactions(Map<?, ?> tranMap,
            Map<String, TransactionStatus> statMap, Log log); static Object setSavepoint(TransactionStatus stat); static Object setSavepoint(TransactionStatus stat, Log log); static void releaseSavepoint(TransactionStatus stat, Object savepoint); static void releaseSavepoint(TransactionStatus stat,
            Object savepoint, Log log); static void rollbackSavepoint(TransactionStatus stat,
            Object savepoint); static void rollbackSavepoint(TransactionStatus stat,
            Object savepoint, Log log); static void rollbackTransaction(PlatformTransactionManager tran,
            TransactionStatus stat); static void rollbackTransaction(PlatformTransactionManager tran,
            TransactionStatus stat, Log log); static TransactionStatus commitRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat); static TransactionStatus commitRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat, Log log); static TransactionStatus commitRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat,
            TransactionDefinition def); static TransactionStatus commitRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat,
            TransactionDefinition def, Log log); static TransactionStatus rollbackRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat); static TransactionStatus rollbackRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat, Log log); static TransactionStatus rollbackRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat,
            TransactionDefinition def); static TransactionStatus rollbackRestartTransaction(
            PlatformTransactionManager tran, TransactionStatus stat,
            TransactionDefinition def, Log log); @SuppressWarnings({"rawtypes", "unchecked"}) static E[] changeListToArray(List<E> list, Class clazz); static List<String> getProperties(String propertyName, String grpKey); static String getMemoryInfo();  }
@Test public void testChangeListToArray01() throws Exception { List<String> list = new ArrayList<String>(); list.add("test1"); list.add("test2"); list.add("test3"); String[] result = BatchUtil.changeListToArray(list, String.class); assertEquals("test1", result[0]); assertEquals("test2", result[1]); assertEquals("test3", result[2]); }
@Test public void testChangeListToArray02() throws Exception { List<String> list = new ArrayList<String>(); list.add("test1"); list.add("test2"); list.add("test3"); try { BatchUtil.changeListToArray(list, null); fail(); } catch (IllegalClassTypeException e) { assertNotNull(e); } }
@Test public void testChangeListToArray03() throws Exception { List<String> list = new ArrayList<String>(); list.add("test1"); list.add("test2"); list.add("test3"); try { BatchUtil.changeListToArray(list, Integer.class); fail(); } catch (IllegalClassTypeException e) { assertNotNull(e); } }