Example for Hibernate and Spring to DAO processing

xiaoxiao2021-03-06  79

Quoted on the "Spring" manual: Hibernate Spring is obviously a born binding. Below is a hibernatedao instance I have handled by Spring, you can see that the amount of code is greatly reduced.

Java code:

1

2

Package infoweb.

DAO;

3

4

Import Java.

Util.

List;

5

Import Java.

Util.

Iterator;

6

Seduce

Import Infoweb.

Pojo.

INFO;

8

9

10

Import Net.

sf.

Hibernate.

HibernateException;

11

Import Net.

sf.

Hibernate.

Query;

12

Import Net.

sf.

Hibernate.

SESSION;

13

14

Import org.

Springframework.

ORM.

Hibernate.

HibernateCallback;

15

Import org.

Springframework.

ORM.

Hibernate.

Support.

Hibernatedaosupport;

16

In one

18

/ ** 19 *

Title: 20 *

Description: 21 *

Copyright: Copyright (c) 2004 22 * ​​

Company: 23 * @author Duan Hongjie 24 * @version 1.0 25 * /

26

27

public

Class InfodaoImpl

Extends Hibernatedaosupport

Implements Iinfodao

{

...}

Twist

/ ** 29 * Constructor 30 * /

31

Public InfodaoIMPL

(

)

{

...}

32 Super

(

);

33

}

34

35

36

/ ** 37 * Added record 38 * @Param info 39 * /

40

public

Void setInfo

(Info Info

)

Throws

EXCEPTION

{

...}

41 GethibernateTemplate

(

).

Save

(Info

);

42

}

43

44

45

/ ** 46 * Take records through ID 47 * @Param ID String 48 * @return info 49 * /

50

Public info getInfobyid

(

String ID

)

Throws

EXCEPTION

{

...}

51 info info =

(Info

GethibernateTemplate

(

).

Load

(Info.

Class, ID

);

52

Return INFO;

53

}

54

55

56

/ ** 57 * Modified Record 58 * @Param Info Info 59 * /

60

public

Void ModifyInfo

(Info Info

)

Throws

EXCEPTION

{

...}

61 GethibernateTemplate

(

).

Update

(Info

);

62

}

63

64

65

/ ** 66 * Delete Record 67 * @Param INFO INFO 68 * / 69

public

Void RemoveInfo

(Info Info

)

Throws

EXCEPTION

{

...}

70 gethibernateTemplate

(

).

Delete

(Info

);

71

}

72

73

74

75

/ ///

76

/ The following part without audit function ///

77

/ ///

78

79

80

/ ** 81 * Total number of records 82 * @return int 83 * /

84

public

Int getInfoscount

(

)

Throws

EXCEPTION

{

...}

85

INT count =

0;

86

String querystring = "SELECT COUNT

(*

) from info;

87 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(QueryString

).

NEXT

(

)

).

88

INTVALUE

(

);

89

Return count;

90

}

91

92

93

/ ** 94 * Take all records collection 95 * @Return Iterator 96 * /

97

public

Iterator getAllinfos

(

)

Throws

EXCEPTION

{

...}

98

Iterator itrator =

NULL;

99

String queryString = "select info from info as info order by info.

ID DESC ";

100

List list = gethateTemplate

(

).

Find

(QueryString

);

101 item = list.

Iterator

(

);

102

Return Iterator;

103

}

104

105

106

/ ** 107 * Take a record collection 108 * @Return Iterator 109 * @Param INT POSITION, INT LENGTH 110 * /

111

public

Iterator getInfos

(

INT POSITION,

INT Length

)

Throws

EXCEPTION

{

...}

112

Iterator itrator =

NULL;

113

String queryString = "select info from info as info order by info.

ID DESC ";

114 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

115

// Set the starting point of the cursor

116 query.

SetFirstResult

(position)

);

117

// Set the length of the cursor

118 query.

SetMaxResults (Length

);

119

// Record generation

120

List list = query.

List

(

);

121

// put the result of the query into iterators

122 Iterator = List.

Iterator

(

);

123

Return Iterator;

124

}

125

126

127

/ ** 128 * Take the first record 129 * @Throws Exception 130 * @return station 131 * /

132

Public info getFirstinfo

(

)

Throws

EXCEPTION

{

...}

133

Iterator itrator =

NULL;

134 Info Info =

NULL;

135

String queryString = "select info from info as info order by info.

ID DESC ";

136 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

137

// Record generation

138

List list = query.

List

(

);

139

// put the result of the query into iterators

140 Iterator = List.

Iterator

(

);

141

IF

Iterator.

Hasnext

(

)

)

{

...}

142 info =

(Info

Iterator.

NEXT

(

);

143

}

144

Return INFO;

145

}

146

147

148

/ ** 149 * Take the last record 150 * @Throws Exception 151 * @return station 152 * /

153

Public info getlastinfo

(

)

Throws

EXCEPTION

{

...}

154

Iterator itrator =

NULL;

155 info info =

NULL;

156

String queryString = "select info from info as info order by info.

ID ASC ";

157 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

158

// Record generation

159

List list = query.

List

(

);

160

// put the result of the query into iterators

161 Iterator = List.

Iterator

(

);

162

IF

Iterator.

Hasnext

(

)

)

{

...}

163 info =

(Info

Iterator.

NEXT

(

);

164

}

165

Return INFO;

166

167

}

168

169

170

171

/ ///

172

/ The following part table must have a specific field to ///

173

/ /// 174

175

176

/ ** 177 * Take the total number of requirements, [ISPERSON field in [Table] 178 * @return int 179 * @Param int isperson 180 * /

181

182

public

Int getInfoScountbyisperson

(

Int isperson

)

Throws

EXCEPTION

{

...}

183

INT count =

0;

184

String querystring =

185 "SELECT COUNT

(*

From info as info where info.

ISPERSON = " isperson;

186 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(QueryString

).

NEXT

(

)

).

187

INTVALUE

(

);

188

Return count;

189

}

190

191

192

/ ** 193 * Take all the qualified records collection, fuzzy query conditions. [There are ISPERSON fields in the table] 194 * @return itrator 195 * @Param Int ISPERSON 196 * /

197

198

public

Iterator getAllinfosbyisperson

(

Int isperson

)

Throws

EXCEPTION

{

...}

1999

Iterator itrator =

NULL;

200

String querystring = "select info from info as info where info.

IsPerson = "

201 IsPerson "Order by Info.

ID DESC ";

202

List list = gethateTemplate

(

).

Find

(QueryString

);

203

// put the result of the query into iterators

204 Iterator = List.

Iterator

(

);

205

Return Iterator;

206

}

207

208

209

/ ** 210 * Take the conditional record collection, fuzzy query conditions. [There are ISPERSON fields in the table] 211 * @Return Iterator 212 * @Param Int IsPerson, int position, int length 213 * /

214

215

public

Iterator getInfosbyisperson

(

Int isperson,

INT POSITION,

INT Length

)

Throws

216

EXCEPTION

{

...}

217

Iterator itrator =

NULL;

218

String querystring = "select info from info as info where info.

IsPerson = "

219 isperson "Order by Info.

ID DESC "; 220

// Create a query

221 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

222

// Set the starting point of the cursor

223 query.

SetFirstResult

(position)

);

224

// Set the length of the cursor

225 query.

SetMaxResults

(Length

);

226

// Record generation

227

List list = query.

List

(

);

228

// put the result of the query into iterators

229 item = list.

Iterator

(

);

230

Return Iterator;

231

}

232

233

234

235

/ ///

236

/ The following part table must have a specific field to query some ///

237

/ ///

238

///

239

/ ** 240 * Take the total number of conditions and fuzzy query conditions. [There are title fields in the table] 241 * @return int 243 * @Param string text 243 * /

244

public

Int getInfoscount

(

String text

)

Throws

EXCEPTION

{

...}

245

INT count =

0;

246 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(

247 "SELECT Count

(*

From info as info where info.

Title Like

'% " Text 248"%' "

).

NEXT

(

)

).

INTVALUE

(

);

249

Return count;

250

}

251

252

253

/ ** 254 * Take all the qualified record sets, fuzzy query conditions. [Table must have title field] 255 * @return itrator 256 * @Param string text 257 * /

258

259

public

Iterator getAllinfos

(

String text

)

Throws

EXCEPTION

{

...}

260

Iterator itrator =

NULL;

261

String querystring =

262 "Select Info from Info As Info WHERE INFO.

Title Like

'% " Text 263"%' Order by Info.

ID DESC ";

264

// Create a query

265 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

266

// Record generation

267

List list = query.

List

(

);

268

// put the result of the query into the iterator 269 item = list.

Iterator

(

);

270

Return Iterator;

271

}

272

273

274

/ ** 275 * Take a collection of conditions, fuzzy query conditions. [There are title fields in the table] 276 * @return itrator 277 * @Param String text, int position, int length 278 * /

279

public

Iterator getInfos

(

String text,

INT POSITION,

INT Length

)

Throws

280

EXCEPTION

{

...}

281

Iterator itrator =

NULL;

282

String querystring =

"Select info from info as info where info.

Title Like

'% " Text 284"%' Order by Info.

ID DESC ";

285

286

// Create a query

287 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

288

// Set the starting point of the cursor

289 query.

SetFirstResult

(position)

);

290

// Set the length of the cursor

291 query.

SetMaxResults

(Length

);

292

// Record generation

293

List list = query.

List

(

);

294

// put the result of the query into iterators

295 item = list.

Iterator

(

);

296

Return Iterator;

297

}

298

299

300

301

/ ///

302

/ The following part table must have a specific field to ///

303

/ ///

304

305

306

/ ** 307 * Take the total number of requirements. [There are registername fields in the table] 308 * @return int 309 * @Param String text 310 * /

311

public

Int getInfoScountByregistername

(

String registername

)

Throws

EXCEPTION

{

...}

312

INT count =

0;

313 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(

314 "SELECT COUNT

(*

From info as info where info.

Registername =

'" 315 registername "' "

).

NEXT

(

)

).

INTVALUE

(

);

316

Return count;

317

}

318

319

320

/ ** 321 * Get a record through the registration name, if there are multiple pieces, only the first one. [There is a registername field in the table] 322 * @param registername string 323 * @return info 324 * /

325

Public info getInfobyregistername

(

String registername

)

Throws

EXCEPTION

{

...}

326

Iterator itrator =

NULL;

327 Info Info =

NULL;

328

String querystring =

"SELECT INFO from info as info where info."

Registername =

'" 330 registername "' Order by Info.

ID DESC ";

331

// Create a query

332 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

333

// Record generation

334

List list = query.

List

(

);

335

// put the result of the query into iterators

336 Iterator = List.

Iterator

(

);

337

IF

Iterator.

Hasnext

(

)

)

{

...}

338 info =

(Info

Iterator.

NEXT

(

);

339

}

340

Return INFO;

341

}

342

343

344

/ ** 345 * Get all records collection through the registration name. [Table must have registername field] 346 * @Param registername string 347 * @return item 348 * /

349

public

Iterator getAllinfosbyregistername

(

String registername

)

Throws

350

EXCEPTION

{

...}

351

Iterator itrator =

NULL;

352

String querystring =

"SELECT INFO AS INFO WHERE INFO.

Registername =

'" 354 registername "' ORDER BY INFO.

ID DESC ";

355

// Create a query

356 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

357

// Record generation

358

List list = query.

List

(

);

359

// put the result of the query into iterators

360 Iterator = List.

Iterator

(

);

361

Return Iterator;

362

}

363

364

365

/ ** 366 * acquire a list of records through the registration name. [There are registername fields in the table] 367 * @Param registername string 368 * @return Iterator 369 * / 370

public

Iterator getInfosbyregistername

(

String registername,

INT POSITION,

371

INT Length

)

Throws

EXCEPTION

{

...}

372

Iterator itrator =

NULL;

373

String querystring =

"SELECT INFO from info as info where info.

Registername =

'" 375 registername "' Order by Info.

ID DESC ";

376

// Create a query

377 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

378

// Set the starting point of the cursor

379 query.

SetFirstResult

(position)

);

380

// Set the length of the cursor

381 query.

SetMaxResults

(Length

);

382

// Record generation

383

List list = query.

List

(

);

384

// put the result of the query into iterators

385 item = list.

Iterator

(

);

386

Return Iterator;

387

}

388

389

390

391

/ ///

392

/ The following part table must have a specific field to ///

393

/ ///

394

395

396

/ ** 397 * Take the total record. [There are Board_ID fields in the table] 398 * @return int 399 * @Param String BoardID 400 * /

401

public

Int getInfoScountByboard

(

String boardid

)

Throws

EXCEPTION

{

...}

402

INT count =

0;

403

404 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(

405 "SELECT COUNT

(*

From info as info where info.

BoardID =

'" BoardID 406"' "

).

NEXT

(

)

).

INTVALUE

(

);

407

408

Return count;

409

}

410

411

412

/ ** 413 * Get all records collection through the section name. [Table must have a Board_ID field] 414 * @Param Boardid string 415 * @return Iterator 416 * / 417

public

Iterator getAllinfosbyboard

(

String boardid

)

Throws

EXCEPTION

{

...}

418

Iterator itrator =

NULL;

419

String querystring = "select info from info as info where info.

BoardID =

'" 420 boardid "' ORDER by info.

ID DESC ";

421

// Create a query

422 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

423

// Record generation

424

List list = query.

List

(

);

425

// put the result of the query into iterators

426 Iterator = List.

Iterator

(

);

427

Return Iterator;

428

}

429

430

431

/ ** 432 * acquires a list of records through the section name. [There are Board_ID fields in the table] 433 * @param boardid string 434 * @return item 435 * /

436

public

Iterator getInfosbyboard

(

String BoardID,

INT POSITION,

INT Length

)

Throws

437

EXCEPTION

{

...}

438

Iterator itrator =

NULL;

439

String querystring = "select info from info as info where info.

BoardID =

'" 440 boardid "' Order by Info.

ID DESC ";

441

442

// Create a query

443 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

444

// Set the starting point of the cursor

445 query.

SetFirstResult

(position)

);

446

// Set the length of the cursor

447 query.

SetMaxResults

(Length

);

448

// Record generation

449

List list = query.

List

(

);

450

// put the result of the query into iterators

451 Iterator = List.

Iterator

(

);

452

453

Return Iterator;

454

455

}

456

457

458

/ ** 459 * Take the total number of requirements. [Table must have a Board_id field, title] Fuzzy query title 460 * @return int 461 * @param string boardid, String text 462 * / 463

public

Int getInfoScountByboard

(

String BoardID,

String text

)

Throws

EXCEPTION

{

...}

464

INT count =

0;

465

466 count =

(

(

Integer

GethibernateTemplate

(

).

iTerate

(

467 "SELECT Count

(*

From info as info where info.

BoardID =

'" BoardId 468"' and info.

Title Like

'% " Text "%' "

).

NEXT

(

)

).

INTVALUE

(

);

469

470

Return count;

471

472

}

473

474

475

/ ** 476 * acquires a list of records through the section name. [There are Board_id fields in the table] Fuzzy query title 477 * @Param string boardid, int position, int length 478 * @return item 479 * /

480

public

Iterator getInfosbyboard

(

String BoardID,

INT POSITION,

INT Length,

481

String text

)

Throws

EXCEPTION

{

...}

482

Iterator itrator =

NULL;

483

String querystring = "select info from info as info where info.

BoardID =

'" 484 BoardID "' and INFO.

Title Like

'% " Text 485"%' Order by Info.

ID DESC ";

486

487

// Create a query

488 query query = gethibernateTemplate

(

).

CREATEQUERY

(GetSession)

(

QueryString

);

489

// Set the starting point of the cursor

490 query.

SetFirstResult

(position)

);

491

// Set the length of the cursor

492 query.

SetMaxResults

(Length

);

493

// Record generation

494

List list = query.

List

(

);

495

// put the result of the query into iterators

496 item = list.

Iterator

(

);

497

Return Iterator;

498

499

}

500

501

Learning in ing

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