Example usage for javax.transaction.xa XAResource prepare

Introduction

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

Prototype

int prepare(Xid xid) throws XAException;

Source Link

Document

Ask the resource manager to prepare for a transaction commit of the transaction specified in xid.

Usage

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   ww w.ja v  a  2s .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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