Module java.sql
Package javax.transaction.xa

Interface Xid


  • public interface Xid
    The Xid interface is a Java mapping of the X/Open transaction identifier XID structure. This interface specifies three accessor methods to retrieve a global transaction format ID, global transaction ID, and branch qualifier. The Xid interface is used by the transaction manager and the resource managers. This interface is not visible to the application programs.
    Since:
    1.4

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static int MAXBQUALSIZE
      Maximum number of bytes returned by getBqual.
      static int MAXGTRIDSIZE
      Maximum number of bytes returned by getGtrid.

    • Field Detail

      • MAXGTRIDSIZE

        static final int MAXGTRIDSIZE
        Maximum number of bytes returned by getGtrid.
        See Also:
        Constant Field Values

      • MAXBQUALSIZE

        static final int MAXBQUALSIZE
        Maximum number of bytes returned by getBqual.
        See Also:
        Constant Field Values

    • Method Detail

      • getFormatId

        int getFormatId​()
        Obtain the format identifier part of the XID.
        Returns:
        Format identifier. O means the OSI CCR format.

      • getGlobalTransactionId

        byte[] getGlobalTransactionId​()
        Obtain the global transaction identifier part of XID as an array of bytes.
        Returns:
        Global transaction identifier.

      • getBranchQualifier

        byte[] getBranchQualifier​()
        Obtain the transaction branch identifier part of XID as an array of bytes.
        Returns:
        Global transaction identifier.