Module org.hsqldb
Package org.hsqldb.jdbc.pool

Class JDBCXID

  • All Implemented Interfaces:
    javax.transaction.xa.Xid
    public class JDBCXID
extends java.lang.Object
implements javax.transaction.xa.Xid
    Implementation of Xid for tests. 
     // Example usage:

 JDBCXADataSource ds = new JDBCXADataSource();

 ds.setUser(user);
 ds.setPassword(password);
 ds.setUrl(jdbcUrl);

 XAConnection xaCon = ds.getConnection();
 Connection con = xaCon.getConnection();
 Xid xid = JDBCXID.getUniqueXid((int)Thread.currentThread().getId());
 XAResource xaRes = xaCon.getXAResource();

  // Start the transaction.
 System.out.println("Starting XA transaction with xid = " + xid.toString());

 xaRes.setTransactionTimeout(0);
 xaRes.start(xid,XAResource.TMNOFLAGS);

 // Do work here ....

 // Commit the transaction.
 xaRes.end(xid,XAResource.TMSUCCESS);
 xaRes.commit(xid,true);

 // Cleanup.
 con.close();
 xaCon.close();
    Author:
    Fred Toussi (fredt@users dot sourceforge.net), Campbell Burnet (campbell-burnet@users dot sourceforge.net)

    • Field Summary

      • Fields inherited from interface javax.transaction.xa.Xid

        MAXBQUALSIZE, MAXGTRIDSIZE

    • Constructor Summary

      Constructors 
      Constructor Description
      JDBCXID​(int formatID, byte[] txID, byte[] txBranch)  

    • Constructor Detail

      • JDBCXID

        public JDBCXID​(int formatID,
               byte[] txID,
               byte[] txBranch)

    • Method Detail

      • getFormatId

        public int getFormatId()
        Specified by:
        getFormatId in interface javax.transaction.xa.Xid

      • getGlobalTransactionId

        public byte[] getGlobalTransactionId()
        Specified by:
        getGlobalTransactionId in interface javax.transaction.xa.Xid

      • getBranchQualifier

        public byte[] getBranchQualifier()
        Specified by:
        getBranchQualifier in interface javax.transaction.xa.Xid

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • equals

        public boolean equals​(java.lang.Object other)
        Overrides:
        equals in class java.lang.Object

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • getUniqueXid

        public static javax.transaction.xa.Xid getUniqueXid​(int threadId)
        Retrieves a randomly generated JDBCXID.

        The newly generated object is based on the local IP address, the given threadId and a randomly generated number using the current time in milliseconds as the random seed.

        Note that java.util.Random is used, not java.security.SecureRandom.

        Parameters:
        threadId - can be a real thread id or just some convenient tracking value.
        Returns:
        a randomly generated JDBCXID