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1.1 root 1: /*
2: * Main Transaction object - what is stored in the IXRecordManagers
3: *
4: * Author: Kris Younger, NeXT Systems Engineering
5: * You may freely copy, distribute and reuse the code in this example.
6: * NeXT disclaims any warranty of any kind, expressed or implied, as to
7: * its fitness for any particular use.
8: */
9: /* Mostly Generated By SetGet - version 1.0 - kyounger */
10:
11: #import "Transaction.h"
12: #import <appkit/Application.h>
13: #import "MainDelegate.h"
14: #import <regex.h>
15:
16: @interface Transaction(PRIVATE)
17: - (id)setTSerial:(int)tS;
18: @end
19:
20: @implementation Transaction
21: - init
22: {
23: char number[16];
24:
25: tSerial = [[NXApp delegate] consumeSerial];
26: if (tSerial == 0) {
27: tSerial = -1;
28: };
29: tDate = [[NXApp delegate] todaysDate];
30: sprintf(number, "%d", tSerial);
31: tNumber = NXCopyStringBuffer(number);
32: return self;
33: }
34:
35: - free
36: {
37: if (tNumber != NULL) { free(tNumber); tNumber = NULL; }
38: if (tMemo != NULL) { free(tMemo); tMemo = NULL; }
39: if (tDebit != NULL) { free(tDebit); tDebit = NULL; }
40: if (tCredit != NULL) { free(tCredit); tCredit = NULL; }
41: if (tBalance != NULL) { free(tBalance); tBalance = NULL; }
42: return[super free];
43: }
44:
45: - commit
46: {
47: int rmHandle; /* not used*/
48: id storeHandle;
49:
50: if ((recordManager != NULL) && (recordManager != nil)) {
51: [(id)recordManager getBlock:&rmHandle andStore:&storeHandle];
52: [storeHandle startTransaction];
53: [recordManager replaceRecord:[self handle] with:self];
54: [storeHandle commitTransaction];
55: };
56: return self;
57: }
58:
59: - (unsigned int)handle
60: {
61: return runTimeHandle;
62: }
63:
64: - (int)tSerial
65: {
66: return ((int)tSerial);
67: }
68:
69: /* this should be a private method. */
70: - (id)setTSerial:(int)tS
71: {
72: tSerial = tS;
73: return self;
74: }
75:
76: - (const char *)tNumber
77: {
78: return ((const char *)tNumber);
79: }
80:
81: - (id)setTNumber:(const char *)tN
82: {
83: if (tNumber != NULL) free(tNumber);
84: tNumber = NXCopyStringBuffer(tN);
85: return self;
86: }
87:
88: - (const char *)tDate
89: {
90: return ((const char *)tDate);
91: }
92:
93: - (id)setTDate:(const char *)tD
94: {
95: tDate = NXUniqueString(tD);
96: return self;
97: }
98:
99: - (const char *)tMemo
100: {
101: return ((const char *)tMemo);
102: }
103:
104: - (id)setTMemo:(const char *)tM
105: {
106: if (tMemo != NULL) free(tMemo);
107: tMemo = NXCopyStringBuffer(tM);
108: return self;
109: }
110:
111: - (double)tAmount
112: {
113: return ((double)tAmount);
114: }
115:
116: - (id)setTAmount:(double)tA
117: {
118: char buf[256];
119:
120: tAmount = tA;
121: if (tDebit != NULL) free(tDebit);
122: if (tCredit != NULL) free(tCredit);
123: if (tAmount >= 0) {
124: sprintf(buf, "%.2f", tAmount);
125: tCredit = NXCopyStringBuffer(buf);
126: tDebit = "";
127: } else {
128: sprintf(buf, "%.2f", -tAmount);
129: tDebit = NXCopyStringBuffer(buf);
130: tCredit = "";
131: };
132: return self;
133: }
134:
135: - (const char *)tBalance
136: {
137: return (tBalance);
138: }
139:
140: - (id)setTBalance:(const char *)tB
141: {
142: double ttA;
143:
144: if (tBalance != NULL) free(tBalance);
145: tBalance = NXCopyStringBuffer(tB);
146: sscanf(tB, "%lf", &ttA);
147: tIBalance = ttA;
148: return self;
149: }
150:
151: - (const char *)tDebit
152: {
153: return tDebit;
154: }
155:
156: - (id)setTDebit:(const char *)tD
157: {
158: double ttA;
159:
160: sscanf(tD, "%lf", &ttA);
161: ttA = -ttA;
162: [self setTAmount:ttA];
163: return self;
164: }
165:
166: - (const char *)tCredit
167: {
168: return tCredit;
169: }
170:
171: - (id)setTCredit:(const char *)tC
172: {
173: double ttA;
174:
175: sscanf(tC, "%lf", &ttA);
176: [self setTAmount:ttA];
177: return self;
178: }
179:
180:
181: - source:aSource didReadRecord:(unsigned)record
182: {
183: recordManager = aSource;
184: if (![recordManager isMemberOf:[IXRecordManager class]])
185: recordManager = [aSource delegate];
186:
187: runTimeHandle = record;
188: return self;
189: }
190:
191: - source:aSource willWriteRecord:(unsigned)record
192: {
193: recordManager = nil;
194: if (runTimeHandle == 0) runTimeHandle = record;
195: return self;
196: }
197:
198: - (id)copy
199: {
200: return[super copy];
201: }
202:
203: - (id)invertCopy
204: {
205: id foo;
206:
207: foo = [super copy];
208: [foo setTAmount:-[foo tAmount]];
209: return foo;
210: }
211:
212: - (id)becomeVoided:(id)v
213: {
214: char buf[64];
215:
216: if (tNumber != NULL) free(tNumber);
217: tNumber = NXCopyStringBuffer("void");
218: [self setTDate:[[NXApp delegate] todaysDate]];
219: strcat(buf, "Void of #");
220: strcat(buf,[v tNumber]);
221: if (tMemo != NULL) free(tMemo);
222: tMemo = NXCopyStringBuffer(buf);
223: [self setTAmount:-[v tAmount]];
224: return self;
225: }
226:
227: @end
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