1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
// **********************************************************************
//
// Copyright (c) 2003-2012 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#include <DeptI.h>
#include <Util.h>
#include <sqlca.h>
EXEC SQL WHENEVER SQLERROR DO handleSqlError(sqlca, ctx);
EXEC SQL WHENEVER NOT FOUND DO handleNotFound(current, ctx);
using namespace std;
DeptI::DeptI(const CurrentSqlContext& currentCtx, const string& empCategory) :
_currentCtx(currentCtx),
_empCategory(empCategory)
{
}
void
DeptI::ice_ping(const Ice::Current& current) const
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
sql_context ctx = _currentCtx;
int deptno = decodeName(current.id.name);
int count = 0;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL SELECT COUNT(*) INTO :count FROM DEPT WHERE DEPTNO = :deptno;
EXEC SQL COMMIT;
if(count == 0)
{
throw Ice::ObjectNotExistException(__FILE__, __LINE__);
}
}
HR::EmpPrx
DeptI::createEmp(int key, const HR::EmpDesc& desc, const Ice::Current& current)
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
sql_context ctx = _currentCtx;
int deptno = decodeName(current.id.name);
int empno = key;
const char* ename = desc.ename.c_str();
const char* job = desc.job.c_str();
int mgr = 0;
short mgrInd = 0;
const char* hiredate = desc.hiredate.c_str();
const char* sal = desc.sal.c_str();
const char* comm = desc.comm.c_str();
//
// We ignore desc.dept
//
EXEC SQL END DECLARE SECTION;
if(desc.mgr == 0)
{
//
// mgr is NULL
//
mgrInd = -1;
}
else
{
mgr = decodeName(desc.mgr->ice_getIdentity().name);
}
EXEC SQL CONTEXT USE :ctx;
EXEC SQL INSERT INTO EMP(empno, ename, job, mgr, hiredate, sal, comm, deptno)
VALUES(:empno, :ename, :job, :mgr:mgrInd, :hiredate, :sal, :comm, :deptno);
EXEC SQL COMMIT;
Ice::Identity empId;
empId.name = encodeName(empno);
empId.category = _empCategory;
return HR::EmpPrx::uncheckedCast(current.adapter->createProxy(empId));
}
HR::DeptDesc
DeptI::getDesc(const Ice::Current& current)
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
int deptno = decodeName(current.id.name);
sql_context ctx = _currentCtx;
char dname[15];
char loc[14];
short dnameInd;
short locInd;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL SELECT DNAME, LOC INTO :dname:dnameInd, :loc:locInd FROM DEPT WHERE DEPTNO = :deptno;
EXEC SQL COMMIT;
HR::DeptDesc result;
result.deptno = deptno;
if(dnameInd >= 0)
{
//
// Should log a warning if > 0!
//
result.dname = dname;
}
//
// else null
//
if(locInd >= 0)
{
//
// Should log a warning if > 0!
//
result.loc = loc;
}
//
// else null
//
return result;
}
void
DeptI::updateField(const string& field, const string& newValue, const Ice::Current& current)
{
const string updateDeptStr =
"UPDATE DEPT SET " + field + " = '" + newValue + "' WHERE DEPTNO = " + current.id.name;
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
const char* updateDept = updateDeptStr.c_str();
sql_context ctx = _currentCtx;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL EXECUTE IMMEDIATE :updateDept;
EXEC SQL COMMIT;
}
void
DeptI::remove(const Ice::Current& current)
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
int deptno = decodeName(current.id.name);
sql_context ctx = _currentCtx;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL DELETE FROM DEPT WHERE DEPTNO = :deptno;
EXEC SQL COMMIT;
}
//
// Cursor-based functions
//
EXEC SQL WHENEVER NOT FOUND DO break;
HR::EmpPrxSeq
DeptI::findAll(const Ice::Current& current)
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
int deptno = decodeName(current.id.name);
sql_context ctx = _currentCtx;
int empno;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL DECLARE empCursor1 CURSOR FOR SELECT EMPNO FROM EMP WHERE DEPTNO = :deptno;
EXEC SQL OPEN empCursor1;
HR::EmpPrxSeq result;
for(;;)
{
EXEC SQL FETCH empCursor1 INTO :empno;
Ice::Identity empId;
empId.category = _empCategory;
empId.name = encodeName(empno);
result.push_back(HR::EmpPrx::uncheckedCast(current.adapter->createProxy(empId)));
}
EXEC SQL CLOSE empCursor1;
EXEC SQL COMMIT;
return result;
}
HR::EmpPrxSeq
DeptI::findByName(const string& name, const Ice::Current& current)
{
sqlca sqlca;
EXEC SQL BEGIN DECLARE SECTION;
int deptno = decodeName(current.id.name);
const char* ename = name.c_str();
sql_context ctx = _currentCtx;
int empno;
EXEC SQL END DECLARE SECTION;
EXEC SQL CONTEXT USE :ctx;
EXEC SQL DECLARE empCursor2 CURSOR FOR SELECT EMPNO FROM EMP WHERE DEPTNO = :deptno AND ENAME = :ename;
EXEC SQL OPEN empCursor2;
HR::EmpPrxSeq result;
for(;;)
{
EXEC SQL FETCH empCursor2 INTO :empno;
Ice::Identity empId;
empId.category = _empCategory;
empId.name = encodeName(empno);
result.push_back(HR::EmpPrx::uncheckedCast(current.adapter->createProxy(empId)));
}
EXEC SQL CLOSE empCursor2;
EXEC SQL COMMIT;
return result;
}
|
