Replica - 1.0-Alpha

Clover coverage report - Replica - 1.0-Alpha

Coverage timestamp: Dom Fev 1 2004 17:00:58 WET

file stats:	LOC:	200		Methods:	15
	NCLOC:	115		Classes:	1

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Source file

Conditionals

Statements

Methods

TOTAL

ReservationBase.java

 package mobisnap.common.reservation;
 
 import java.io.*;
 import java.util.*;
 import mobisnap.mobile_trx.*;
 
 /**
  * Base class for reservations
  * 
  * @version 0.045 12-Dec-2000
  * @author Nuno Pregui�a
  */
 public abstract class ReservationBase
     implements Serializable
 {
     java.rmi.server.UID uid;
     String table;
     String column;
     Vector conds;
     int lease;
     long time;
 
     public ReservationBase( String table, String column) {
         uid = new java.rmi.server.UID();
         this.table = table;
         this.column = column;
         conds = new Vector();
         this.lease = 0;
         this.time = 0;
     }
     
     public void addCondition( mobisnap.mobile_trx.ColumnCondition cond) {
         conds.addElement( cond);
     }
     
     public mobisnap.mobile_trx.ColumnCondition getCondition( int pos){
         try{
             return (mobisnap.mobile_trx.ColumnCondition) conds.elementAt( pos);
         } catch (Exception e){
             // do nothing
         }
         return null;
     }
     
     public Vector getConditions(){
         return conds;
     }
     
     public String getTableName(){
         return table;
     }
     
     public String getColumnName(){
         return column;
     }
     
     public java.rmi.server.UID getUID() {
         return uid;
     }
     
     public int getLease(){
         return lease;
     }
     
     public long getTime(){
         return time;
     }
     
     public void setLeaseTime(long time, int lease){
         this.time = time;
         this.lease = lease;
     
     }
     
     /**
      * Checks if there exists a reservation that satisfies the given conditions.
      * NOTE: Currently only select in the form of
      * "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
      * can be checked
      * 
      * @param table Table name of possible reservation
      * @param column Column name of possible reservation
      * @param where Table row specification
      * @return Return true if this resrvation backs up the given conditions
      */
     public boolean checkReservation( String table, String column, SimpleNode where) {
         if( ! table.equals( this.table))
             return false;
         if( (! column.equals( this.column))||( !column.equals("*")))
             return false;
         
         return checkReservationConditions( 0, new BitSet( conds.size()), where) == conds.size();
     }
     
     /**
      * Checks if there exists a reservation that satisfies the given conditions.
      * NOTE: Currently only select in the form of
      * "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
      * can be checked
      * 
      * @param table Table name of possible reservation
      * @param column Column name of possible reservation
      * @param where Table row specification
      * @return Return true if this resrvation backs up the given conditions
      */
     public boolean checkReservation( String table, String column, Vector specs) {
         if( ! table.equals( this.table))
             return false;
         if( (! column.equals( this.column))||( column.equals("*")))
             return false;
         
         return checkReservationConditions( specs) == conds.size();
     }
 
     /**
      * Checks which conditions the given node satisfies
      * 
      * @param checked Number of conditions already satisfied
      * @param bs Bitset with the conditions already satisfied
      * @param node Node with the current condition
      */
     private int checkReservationConditions( int nchecked, BitSet bs, SimpleNode node) {
         if( node instanceof ASTSQLAndExpression) {
             Vector ands = ((ASTSQLAndExpression)node).ands;
             for( int i = 0; i < ands.size(); i++) {
                 SimpleNode node0 = (SimpleNode)ands.elementAt(i);
                 nchecked = checkReservationConditions( nchecked, bs, node0);
                 if( nchecked == conds.size())
                     return nchecked;
             }
         } else {
             for( int i = 0; i < conds.size(); i++) {
                 if( bs.get( i))
                     continue;
                 if( ((ColumnCondition)conds.elementAt( i)).sameCondition( node)){
                     bs.set(i);
                     nchecked++;
                 }
             }
         }
         return nchecked;
     }
 
 
     /**
      * Checks which conditions the given node satisfies
      * 
      * @param specs conditions vector
      */
     private int checkReservationConditions( Vector specs) {
         for( int i = 0; i < conds.size(); i++) {
             boolean checked = false;
             int j = 0;
             while( j < specs.size() ){
                 if ( ((ColumnCondition)conds.elementAt( i)).belongsTo( (RelopCondition)specs.elementAt( j)) )
                     break;
                 j++;    
             }
             if ( j == specs.size())
                 return conds.size() - 1;    
         }
         return conds.size();
     }
 
     /**
      * Checks the given parameters are backed up by this reservation.
      * If so, sets the reserved value to the variable and
      * associate the reservation with the given variable - through a REservationUseBase
      * class which is returned
      * NOTE: Currently only select in the form of
      * "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
      * can be checked
      * 
      * @param var Variable involved
      * @param table Table name of possible reservation
      * @param column Column name of possible reservation
      * @param where Table row specification
      * @return Return null if there is no associateion between the given parameters
      * ans this reservation. Otherwise returns a class to represent the reservation use
      */
     public abstract ReservationUseBase checkReservation( MSQLTVariable var, String table, String column, SimpleNode where);
     
     /**
      * Returns a readable representation of this reervation - format:<BR>
      * rsrv_id reservation column from table where row specification
      */
     public String toString() {
         StringBuffer buffer = new StringBuffer();
         buffer.append( uid + " RESERVATION " + column + " FROM " + table + " WHERE ");
         for( int i = 0; i < conds.size(); i++) {
             if( i > 0)
                 buffer.append( " AND ");
             buffer.append( conds.elementAt( i));
         }
         buffer.append(" WITH LEASE "+lease);
         return buffer.toString();
     }
 }
 
 

1		package mobisnap.common.reservation;
2
3		import java.io.*;
4		import java.util.*;
5		import mobisnap.mobile_trx.*;
6
7		/**
8		* Base class for reservations
9		*
10		* @version 0.045 12-Dec-2000
11		* @author Nuno Pregui�a
12		*/
13		public abstract class ReservationBase
14		implements Serializable
15		{
16		java.rmi.server.UID uid;
17		String table;
18		String column;
19		Vector conds;
20		int lease;
21		long time;
22
23	0	public ReservationBase( String table, String column) {
24	0	uid = new java.rmi.server.UID();
25	0	this.table = table;
26	0	this.column = column;
27	0	conds = new Vector();
28	0	this.lease = 0;
29	0	this.time = 0;
30		}
31
32	0	public void addCondition( mobisnap.mobile_trx.ColumnCondition cond) {
33	0	conds.addElement( cond);
34		}
35
36	0	public mobisnap.mobile_trx.ColumnCondition getCondition( int pos){
37	0	try{
38	0	return (mobisnap.mobile_trx.ColumnCondition) conds.elementAt( pos);
39		} catch (Exception e){
40		// do nothing
41		}
42	0	return null;
43		}
44
45	0	public Vector getConditions(){
46	0	return conds;
47		}
48
49	0	public String getTableName(){
50	0	return table;
51		}
52
53	0	public String getColumnName(){
54	0	return column;
55		}
56
57	0	public java.rmi.server.UID getUID() {
58	0	return uid;
59		}
60
61	0	public int getLease(){
62	0	return lease;
63		}
64
65	0	public long getTime(){
66	0	return time;
67		}
68
69	0	public void setLeaseTime(long time, int lease){
70	0	this.time = time;
71	0	this.lease = lease;
72
73		}
74
75		/**
76		* Checks if there exists a reservation that satisfies the given conditions.
77		* NOTE: Currently only select in the form of
78		* "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
79		* can be checked
80		*
81		* @param table Table name of possible reservation
82		* @param column Column name of possible reservation
83		* @param where Table row specification
84		* @return Return true if this resrvation backs up the given conditions
85		*/
86	0	public boolean checkReservation( String table, String column, SimpleNode where) {
87	0	if( ! table.equals( this.table))
88	0	return false;
89	0	if( (! column.equals( this.column))\|\|( !column.equals("*")))
90	0	return false;
91
92	0	return checkReservationConditions( 0, new BitSet( conds.size()), where) == conds.size();
93		}
94
95		/**
96		* Checks if there exists a reservation that satisfies the given conditions.
97		* NOTE: Currently only select in the form of
98		* "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
99		* can be checked
100		*
101		* @param table Table name of possible reservation
102		* @param column Column name of possible reservation
103		* @param where Table row specification
104		* @return Return true if this resrvation backs up the given conditions
105		*/
106	0	public boolean checkReservation( String table, String column, Vector specs) {
107	0	if( ! table.equals( this.table))
108	0	return false;
109	0	if( (! column.equals( this.column))\|\|( column.equals("*")))
110	0	return false;
111
112	0	return checkReservationConditions( specs) == conds.size();
113		}
114
115		/**
116		* Checks which conditions the given node satisfies
117		*
118		* @param checked Number of conditions already satisfied
119		* @param bs Bitset with the conditions already satisfied
120		* @param node Node with the current condition
121		*/
122	0	private int checkReservationConditions( int nchecked, BitSet bs, SimpleNode node) {
123	0	if( node instanceof ASTSQLAndExpression) {
124	0	Vector ands = ((ASTSQLAndExpression)node).ands;
125	0	for( int i = 0; i < ands.size(); i++) {
126	0	SimpleNode node0 = (SimpleNode)ands.elementAt(i);
127	0	nchecked = checkReservationConditions( nchecked, bs, node0);
128	0	if( nchecked == conds.size())
129	0	return nchecked;
130		}
131		} else {
132	0	for( int i = 0; i < conds.size(); i++) {
133	0	if( bs.get( i))
134	0	continue;
135	0	if( ((ColumnCondition)conds.elementAt( i)).sameCondition( node)){
136	0	bs.set(i);
137	0	nchecked++;
138		}
139		}
140		}
141	0	return nchecked;
142		}
143
144
145		/**
146		* Checks which conditions the given node satisfies
147		*
148		* @param specs conditions vector
149		*/
150	0	private int checkReservationConditions( Vector specs) {
151	0	for( int i = 0; i < conds.size(); i++) {
152	0	boolean checked = false;
153	0	int j = 0;
154	0	while( j < specs.size() ){
155	0	if ( ((ColumnCondition)conds.elementAt( i)).belongsTo( (RelopCondition)specs.elementAt( j)) )
156	0	break;
157	0	j++;
158		}
159	0	if ( j == specs.size())
160	0	return conds.size() - 1;
161		}
162	0	return conds.size();
163		}
164
165		/**
166		* Checks the given parameters are backed up by this reservation.
167		* If so, sets the reserved value to the variable and
168		* associate the reservation with the given variable - through a REservationUseBase
169		* class which is returned
170		* NOTE: Currently only select in the form of
171		* "select col(,col)* into var(,var)* from table where cond1 (AND cond2)*"
172		* can be checked
173		*
174		* @param var Variable involved
175		* @param table Table name of possible reservation
176		* @param column Column name of possible reservation
177		* @param where Table row specification
178		* @return Return null if there is no associateion between the given parameters
179		* ans this reservation. Otherwise returns a class to represent the reservation use
180		*/
181		public abstract ReservationUseBase checkReservation( MSQLTVariable var, String table, String column, SimpleNode where);
182
183		/**
184		* Returns a readable representation of this reervation - format:<BR>
185		* rsrv_id reservation column from table where row specification
186		*/
187	0	public String toString() {
188	0	StringBuffer buffer = new StringBuffer();
189	0	buffer.append( uid + " RESERVATION " + column + " FROM " + table + " WHERE ");
190	0	for( int i = 0; i < conds.size(); i++) {
191	0	if( i > 0)
192	0	buffer.append( " AND ");
193	0	buffer.append( conds.elementAt( i));
194		}
195	0	buffer.append(" WITH LEASE "+lease);
196	0	return buffer.toString();
197		}
198		}
199
200