1 package mobisnap.common.reservation;
2
3 import java.io.*;
4 import mobisnap.mobile_trx.*;
5
6 /***
7 * Represents a slot reservation
8 *
9 * @version 6-Mar-2001
10 * @author
11 */
12 public class SlotReservation
13 extends ReservationBase
14 implements Serializable
15 {
16 ColumnCondition lowerBound;
17 ColumnCondition upperBound;
18 int triggerCode;
19
20 public SlotReservation( String table, ColumnCondition lowerBound, ColumnCondition upperBound, int triggerCode) {
21 super( table, "none");
22 this.lowerBound = lowerBound;
23 this.upperBound = upperBound;
24 this.triggerCode = triggerCode;
25 }
26
27 public Object getLowerBound(){
28 return lowerBound;
29 }
30
31 public Object getUpperBound(){
32 return upperBound;
33 }
34
35 public int getTriggerCode(){
36 return triggerCode;
37 }
38
39 /***
40 * Checks the given parameters are backed up by this reservation.
41 * If so, sets the reserved value to the variable and
42 * associate the reservation with the given variable - through a ReservationUseBase
43 * class which is returned
44 * NOTE: Currently only select in the form of
45 * "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
46 * can be checked
47 *
48 * @param var Variable involved
49 * @param table Table name of possible reservation
50 * @param column Column name of possible reservation ( it is ignored )
51 * @param where Table row specification
52 * @return Return null if there is no associateion between the given parameters
53 * ans this reservation. Otherwise returns a class to represent the reservation use
54 */
55 public ReservationUseBase checkReservation( MSQLTVariable var, String table, String column, SimpleNode where) {
56 if( checkReservation( table, "*", where)) {
57 // verify slot conditions
58 ReservationUseBase rub = new SlotReservationUse( this);
59 var.associateRsrv( rub);
60 }
61 return null;
62
63 }
64
65 /***
66 * Returns a readable representation of this reservation - format:<BR>
67 * slot rsrv_id reservation column from table where row specification lowerbound number upperbound number
68 */
69 public String toString() {
70 return "SLOT " + super.toString() + " LOWERBOUND " + lowerBound +" UPPERBOUND "+upperBound;
71 }
72 }
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