private static XID getXid(Uid uid, Uid branch, int formatId, Integer eisName)
throws IllegalStateException {
if (uid == null) {
throw new IllegalStateException();
}
XID xid = new XID();
xid.formatID = formatId;
// gtrid is uid byte form followed by as many chars of the node name as will fit.
byte[] gtridUid = uid.getBytes();
if (gtridUid.length > XID.MAXGTRIDSIZE) {
throw new IllegalStateException(); // Uid is too long!!!!
}
String nodeName = TxControl.getXANodeName();
int nodeNameLengthToUse = nodeName.getBytes().length;
xid.gtrid_length = gtridUid.length + nodeNameLengthToUse;
// src, srcPos, dest, destPos, length
System.arraycopy(gtridUid, 0, xid.data, 0, gtridUid.length);
System.arraycopy(nodeName.getBytes(), 0, xid.data, gtridUid.length, nodeNameLengthToUse);
if (branch.notEquals(Uid.nullUid())) {
// bqual is uid byte form plus EIS name.
byte[] bqualUid = branch.getBytes();
if (bqualUid.length > XID.MAXBQUALSIZE) {
throw new IllegalStateException(); // Uid is too long!!!!
}
int spareBqualBytes = XID.MAXBQUALSIZE - (bqualUid.length + 4);
xid.bqual_length = bqualUid.length + 4 + 4;
// src, srcPos, dest, destPos, length
int offset = xid.gtrid_length;
System.arraycopy(bqualUid, 0, xid.data, offset, bqualUid.length);
setEisName(xid, eisName);
} else {
/*
* Note: for some dbs we seem to be able to get
* away with setting the size field to the size
* of the actual branch. However, for Oracle,
* it appears as though it must always be 64.
* (At least for zero branches.)
*/
xid.data[xid.gtrid_length] = (byte) 0;
xid.bqual_length = 64;
}
return xid;
}
public RecoveryXAResource() {
if (xids == null) {
xids = new Xid[2];
AtomicAction a = new AtomicAction();
xids[0] = new XidImple(a);
String c = com.arjuna.ats.arjuna.coordinator.TxControl.getXANodeName();
String b = "2";
com.arjuna.ats.arjuna.coordinator.TxControl.setXANodeName(b);
xids[1] = new XidImple(new Uid());
com.arjuna.ats.arjuna.coordinator.TxControl.setXANodeName(c);
}
}