/**
* Handles the HTTP <code>POST</code> method.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
try {
String showid = request.getParameter("si");
String[] pics;
pics = request.getParameterValues("pics[]");
String[] comms;
comms = request.getParameterValues("comms[]");
utx.begin();
EntityManager em = emf.createEntityManager();
for (int i = 0; i < pics.length; i++) {
Ecpresentations etemp = em.getReference(Ecpresentations.class, showid);
Ecinfo ef = new Ecinfo();
ef.setPicy(pics[i]);
ef.setDetails(comms[i]);
ef.setShowid(etemp);
em.persist(ef);
}
utx.commit();
RequestDispatcher view = request.getRequestDispatcher("addinforeport.jsp");
view.forward(request, response);
em.close();
} catch (NotSupportedException ex) {
ex.printStackTrace();
} catch (SystemException ex) {
ex.printStackTrace();
} catch (RollbackException ex) {
ex.printStackTrace();
} catch (HeuristicMixedException ex) {
ex.printStackTrace();
} catch (HeuristicRollbackException ex) {
ex.printStackTrace();
} catch (SecurityException ex) {
ex.printStackTrace();
} catch (IllegalStateException ex) {
ex.printStackTrace();
}
}
@PostConstruct
private void init() {
try {
userTransaction.begin();
initData();
userTransaction.commit();
} catch (NotSupportedException e) {
e.printStackTrace();
} catch (SystemException e) {
e.printStackTrace();
} catch (HeuristicRollbackException e) {
e.printStackTrace();
} catch (javax.transaction.RollbackException e) {
e.printStackTrace();
} catch (HeuristicMixedException e) {
e.printStackTrace();
}
}
/** 针对oracle Clob字段的插入操作 */
@Test
public void testBigClobWrite() {
PreparedDBUtil dbUtil = new PreparedDBUtil();
TransactionManager tm = new TransactionManager();
try {
// 启动事务
tm.begin();
// 先插入一条记录,blob字段初始化为empty_lob
dbUtil.preparedInsert("insert into test(id,clobname) values(?,?)");
String id = DBUtil.getNextStringPrimaryKey("test");
dbUtil.setString(1, id);
dbUtil.setClob(2, CLOB.empty_lob()); // 先设置空的blob字段
dbUtil.executePrepared();
// 查找刚才的插入的记录，修改blob字段的值为一个文件
dbUtil = new PreparedDBUtil();
dbUtil.preparedSelect("select clobname from test where id = ?");
dbUtil.setString(1, id);
dbUtil.executePrepared();
CLOB clob = (CLOB) dbUtil.getClob(0, "clobname");
if (clob != null) {
DBUtil.updateCLOB(clob, new java.io.File("d:\\route.txt"));
}
tm.commit();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
try {
tm.rollback();
} catch (RollbackException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
} finally {
tm = null;
dbUtil = null;
}
}
@Test
public void testScenario1() throws Exception {
Context ctx = cache.getJNDIContext();
UserTransaction ta = null;
// Connection conn = null;
try {
qs.createIndex("iIndex", IndexType.FUNCTIONAL, "ID", "/portfolios");
// PUT 4 objects in region, QUERY, CREATEINDEX
for (int i = 0; i < 4; i++) {
currRegion.put("key" + i, new Portfolio(i));
}
QueryObserverImpl observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where ID != 53");
Object r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 4) {
fail("Query result not of expected size");
}
// print("Size of query result :"+ ((Collection)r).size());
// print("Result of query =" + Utils.printResult(r));
// print("Index IS: " + ((RangeIndex)i2).dump());
// BEGIN TX PUT new 4 objects in region, QUERY,CREATEINDEX, ROLLBACK
ta = (UserTransaction) ctx.lookup("java:/UserTransaction");
ta.begin();
for (int i = 9; i < 13; i++) {
currRegion.put("key" + i, new Portfolio(i));
}
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where ID != 53");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 4) {
fail("Query result not of expected size");
}
// print("Size of query result :"+ ((Collection)r).size());
// print("Result of query =" + Utils.printResult(r));
Index i1 = qs.createIndex("tIndex", IndexType.FUNCTIONAL, "status", "/portfolios");
// print("Index IS: " + ((RangeIndex)i1).dump());
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'active'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 2) {
fail("Query result not of expected size");
}
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'inactive'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 2) {
fail("Query result not of expected size");
}
ta.rollback();
// PRINT INDEX AFTER ROLLBACK, REMOVEINDEX.
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'active'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 2) {
fail("Query result not of expected size");
}
// print("AfterRollback \n"+currRegion.values());
// print("Index IS: " + ((RangeIndex)i1).dump());
qs.removeIndex(i1);
// BEGIN TX PUT new 4 objects in region,CREATEINDEX, QUERY ,COMMIT
ta.begin();
for (int i = 9; i < 13; i++) {
currRegion.put("key" + i, new Portfolio(i));
}
i1 = qs.createIndex("tIndex", IndexType.FUNCTIONAL, "status", "/portfolios");
// print("Index IS: " + ((RangeIndex)i1).dump());
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'active'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 2) {
fail("Query result not of expected size");
}
for (int i = 9; i < 13; i++) {
currRegion.put("key" + i, new Portfolio(i));
}
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'active'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 2) {
fail("Query result not of expected size");
}
// print("Size of query result :"+ ((Collection)r).size());
// print("Result of query =" + Utils.printResult(r));
// print("Index on status IS: " + ((RangeIndex)i1).dump());
// print("Index On ID IS: " + ((RangeIndex)i2).dump());
ta.commit();
// WAIT FOR 2 secs DISPLAYINDEX, QUERY
Thread.sleep(2000);
// print("Aftercommit \n"+currRegion.values());
// print("Index IS: " + ((RangeIndex)i1).dump());
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'active'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 4) {
fail("Query result not of expected size");
}
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where status = 'inactive'");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 4) {
fail("Query result not of expected size");
}
observer2 = new QueryObserverImpl();
QueryObserverHolder.setInstance(observer2);
q = qs.newQuery("select distinct * from /portfolios where ID != 53");
r = q.execute();
if (!observer2.isIndexesUsed) {
fail("NO INDEX WAS USED, IT WAS EXPECTED TO BE USED");
}
if (((Collection) r).size() != 8) {
fail("Query result not of expected size");
}
// print("Size of query result :"+ ((Collection)r).size());
// print("Result of query =" + Utils.printResult(r));
// print("Index On ID IS: " + ((RangeIndex)i2).dump());
} catch (RollbackException e) {
e.printStackTrace();
} catch (Exception e) {
e.printStackTrace();
ta.rollback();
}
}