Example usage for javax.transaction.xa XAResource start

Introduction

In this page you can find the example usage for javax.transaction.xa XAResource start.

Prototype

void start(Xid xid, int flags) throws XAException;

Source Link

Document

Starts work on behalf of a transaction branch specified in xid.

Usage

From source file:org.nuxeo.ecm.core.storage.sql.TestSQLBackend.java

@Test
public void testRollback() throws Exception {
    if (!DatabaseHelper.DATABASE.supportsXA()) {
        return;/*from  ww w .j  a v  a 2  s.c om*/
    }

    Session session = repository.getConnection();
    XAResource xaresource = ((SessionImpl) session).getXAResource();
    Node root = session.getRootNode();
    Node nodea = session.addChildNode(root, "foo", null, "TestDoc", false);
    nodea.setSimpleProperty("tst:title", "old");
    assertEquals("old", nodea.getSimpleProperty("tst:title").getString());
    session.save();

    /*
     * rollback before save (underlying XAResource saw no updates)
     */
    Xid xid = new XidImpl("11111111111111111111111111111111");
    xaresource.start(xid, XAResource.TMNOFLAGS);
    nodea = session.getNodeByPath("/foo", null);
    nodea.setSimpleProperty("tst:title", "new");
    xaresource.end(xid, XAResource.TMSUCCESS);
    xaresource.prepare(xid);
    xaresource.rollback(xid);
    nodea = session.getNodeByPath("/foo", null);
    assertEquals("old", nodea.getSimpleProperty("tst:title").getString());

    /*
     * rollback after save (underlying XAResource does a rollback too)
     */
    xid = new XidImpl("22222222222222222222222222222222");
    xaresource.start(xid, XAResource.TMNOFLAGS);
    nodea = session.getNodeByPath("/foo", null);
    nodea.setSimpleProperty("tst:title", "new");
    session.save();
    xaresource.end(xid, XAResource.TMSUCCESS);
    xaresource.prepare(xid);
    xaresource.rollback(xid);
    nodea = session.getNodeByPath("/foo", null);
    assertEquals("old", nodea.getSimpleProperty("tst:title").getString());
}

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From source file:org.nuxeo.ecm.core.storage.sql.TestSQLBackend.java

@Test
public void testSaveOnCommit() throws Exception {
    if (!DatabaseHelper.DATABASE.supportsXA()) {
        return;/*from  w  ww  . j av a2 s. c  o m*/
    }

    Session session = repository.getConnection(); // init
    session.save();

    XAResource xaresource = ((SessionImpl) session).getXAResource();

    // first transaction
    Xid xid = new XidImpl("11111111111111111111111111111111");
    xaresource.start(xid, XAResource.TMNOFLAGS);
    Node root = session.getRootNode();
    assertNotNull(root);
    session.addChildNode(root, "foo", null, "TestDoc", false);
    // let end do an implicit save
    xaresource.end(xid, XAResource.TMSUCCESS);
    xaresource.prepare(xid);
    xaresource.commit(xid, false);

    // should have saved, clearing caches should be harmless
    ((SessionImpl) session).clearCaches();

    // second transaction
    xid = new XidImpl("22222222222222222222222222222222");
    xaresource.start(xid, XAResource.TMNOFLAGS);
    Node foo = session.getNodeByPath("/foo", null);
    assertNotNull(foo);
    xaresource.end(xid, XAResource.TMSUCCESS);
    int outcome = xaresource.prepare(xid);
    if (outcome == XAResource.XA_OK) {
        // Derby doesn't allow rollback if prepare returned XA_RDONLY
        xaresource.rollback(xid);
    }
}

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From source file:org.seasar.karrta.jcr.intercepter.JcrTransactionInterceptor.java

public Object invoke(MethodInvocation invocation) throws Throwable {
    Thread currentThread = Thread.currentThread();
    if (this.sessionManager_.isExist(currentThread)) {
        return invocation.proceed();
    }/*from w ww.java 2 s . c  o m*/

    logger_.debug("::: [Begin Transaction] ::: [" + currentThread + "] :::");

    // check in jcr-session.
    XASession session = (XASession) sessionManager_.borrowObject(currentThread);
    Xid xid = new Xid() {
        public byte[] getBranchQualifier() {
            return new byte[0];
        }

        public int getFormatId() {
            return 0;
        }

        public byte[] getGlobalTransactionId() {
            return new byte[0];
        }
    };
    XAResource xares = session.getXAResource();
    xares.start(xid, XAResource.TMNOFLAGS);

    Object result = null;
    try {
        for (Method m : invocation.getThis().getClass().getMethods()) {
            if ("setOcmQueryManager".equals(m.getName())) {
                m.invoke(invocation.getThis(), this.ocmFactory.getQueryManager());
            }
            if ("setQueryManager".equals(m.getName())) {
                m.invoke(invocation.getThis(), session.getWorkspace().getQueryManager());
            }
        }
        result = invocation.proceed();

        xares.end(xid, XAResource.TMSUCCESS);
        xares.prepare(xid);
        xares.commit(xid, false);

    } catch (Exception e) {
        e.printStackTrace();
        xares.rollback(xid);

    } finally {
        // check out jcr-session.
        this.sessionManager_.returnSession(currentThread, session);
        logger_.debug("::: [End Transaction] ::: [" + currentThread + "] :::");
    }
    return result;
}

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