| 1 | /* |
| 2 | * Copyright 2007 brunella ltd |
| 3 | * |
| 4 | * Licensed under the LGPL Version 3 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * |
| 7 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 8 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 9 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 10 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 11 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 12 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 13 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 14 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 15 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 16 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 17 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 18 | */ |
| 19 | package sf.qof.codegen; |
| 20 | |
| 21 | import static sf.qof.codegen.Constants.EXCEPTION_EMPTY_RESULT; |
| 22 | import static sf.qof.codegen.Constants.EXCEPTION_MORE_THAN_ONE_RESULT; |
| 23 | import static sf.qof.codegen.Constants.FIELD_NAME_FETCH_SIZE; |
| 24 | import static sf.qof.codegen.Constants.FIELD_NAME_FIRST_RESULT; |
| 25 | import static sf.qof.codegen.Constants.FIELD_NAME_MAX_RESULTS; |
| 26 | import static sf.qof.codegen.Constants.SIG_add; |
| 27 | import static sf.qof.codegen.Constants.SIG_executeQuery; |
| 28 | import static sf.qof.codegen.Constants.SIG_getConnection; |
| 29 | import static sf.qof.codegen.Constants.SIG_next; |
| 30 | import static sf.qof.codegen.Constants.SIG_prepareStatement; |
| 31 | import static sf.qof.codegen.Constants.SIG_put; |
| 32 | import static sf.qof.codegen.Constants.SIG_setFetchSize; |
| 33 | import static sf.qof.codegen.Constants.SIG_setInt; |
| 34 | import static sf.qof.codegen.Constants.TYPE_Collection; |
| 35 | import static sf.qof.codegen.Constants.TYPE_Connection; |
| 36 | import static sf.qof.codegen.Constants.TYPE_Map; |
| 37 | import static sf.qof.codegen.Constants.TYPE_PreparedStatement; |
| 38 | import static sf.qof.codegen.Constants.TYPE_ResultSet; |
| 39 | import static sf.qof.codegen.Constants.TYPE_SQLException; |
| 40 | import static sf.qof.codegen.Constants.TYPE_Throwable; |
| 41 | import static sf.qof.codegen.Constants.TYPE_int; |
| 42 | |
| 43 | import java.util.Collection; |
| 44 | import java.util.List; |
| 45 | import java.util.Map; |
| 46 | import java.util.Set; |
| 47 | |
| 48 | import net.sf.cglib.core.Block; |
| 49 | import net.sf.cglib.core.CodeEmitter; |
| 50 | import net.sf.cglib.core.Local; |
| 51 | import net.sf.cglib.core.Signature; |
| 52 | |
| 53 | import org.objectweb.asm.Label; |
| 54 | import org.objectweb.asm.Type; |
| 55 | |
| 56 | import sf.qof.customizer.Customizer; |
| 57 | import sf.qof.dialect.SQLDialect; |
| 58 | import sf.qof.exception.ValidationException; |
| 59 | import sf.qof.mapping.Mapper; |
| 60 | import sf.qof.mapping.ParameterMapping; |
| 61 | import sf.qof.mapping.ResultMapping; |
| 62 | import sf.qof.util.InClauseParameterReplacer; |
| 63 | |
| 64 | /** |
| 65 | * Internal - SelectQueryMethodGenerator is the main generator class for select query methods. |
| 66 | */ |
| 67 | public class SelectQueryMethodGenerator { |
| 68 | |
| 69 | public static void addSelectQueryBody(CodeEmitter co, QueryObjectGenerator generator, Mapper mapper) { |
| 70 | if (mapper.getResults() == null || mapper.getResults().size() == 0) { |
| 71 | throw new ValidationException("No result mappers defined"); |
| 72 | } |
| 73 | ResultMapping resultMapping = mapper.getResults().get(0); |
| 74 | if (resultMapping.usesCollection()) { |
| 75 | // check collection is List |
| 76 | if (!Collection.class.isAssignableFrom(resultMapping.getCollectionType()) |
| 77 | && !Map.class.isAssignableFrom(resultMapping.getCollectionType())) { |
| 78 | throw new ValidationException("Return collection type must be of type Collection or Map"); |
| 79 | } |
| 80 | addSelectQueryBodyWithCollection(co, generator, mapper); |
| 81 | } else { |
| 82 | addSelectQueryBodyNoCollection(co, generator, mapper); |
| 83 | } |
| 84 | } |
| 85 | |
| 86 | private static void addSelectQueryBodyNoCollection(CodeEmitter co, QueryObjectGenerator generator, Mapper mapper) { |
| 87 | Local localPreparedStatement = co.make_local(TYPE_PreparedStatement); |
| 88 | Local localResultSet = co.make_local(TYPE_ResultSet); |
| 89 | Local localException = co.make_local(TYPE_Throwable); |
| 90 | |
| 91 | // ResultSet rs = null; |
| 92 | co.aconst_null(); |
| 93 | co.store_local(localResultSet); |
| 94 | |
| 95 | // ps = connection.prepareStatement(sql); |
| 96 | co.load_this(); |
| 97 | co.invoke_virtual(Type.getType(generator.getClassNameType()), SIG_getConnection); |
| 98 | co.push(mapper.getSql()); |
| 99 | co.invoke_interface(TYPE_Connection, SIG_prepareStatement); |
| 100 | co.store_local(localPreparedStatement); |
| 101 | |
| 102 | // try{ |
| 103 | Block blockTry = co.begin_block(); |
| 104 | |
| 105 | // set fetch size to two as we do not expect more than one row |
| 106 | // ps.setFetchSize(2); |
| 107 | co.load_local(localPreparedStatement); |
| 108 | co.push(2); |
| 109 | co.invoke_interface(TYPE_PreparedStatement, SIG_setFetchSize); |
| 110 | |
| 111 | ParameterMappingGenerator pmg = new ParameterMappingGenerator(co, localPreparedStatement, null, null, null); |
| 112 | mapper.acceptParameterMappers(pmg); |
| 113 | |
| 114 | // ps.executeQuery(); |
| 115 | co.load_local(localPreparedStatement); |
| 116 | co.invoke_interface(TYPE_PreparedStatement, SIG_executeQuery); |
| 117 | co.store_local(localResultSet); |
| 118 | |
| 119 | Class<?> returnType = mapper.getMethod().getReturnInfo().getType(); |
| 120 | |
| 121 | Label labelThrowNoResult = co.make_label(); |
| 122 | Label labelThrowMoreThanOneResult = co.make_label(); |
| 123 | Label labelFinally = co.make_label(); |
| 124 | |
| 125 | Local localResult = null; |
| 126 | |
| 127 | localResult = co.make_local(Type.getType(returnType)); |
| 128 | if (!returnType.isPrimitive()) { |
| 129 | co.aconst_null(); |
| 130 | co.store_local(localResult); |
| 131 | } |
| 132 | // if (rs.next()) { |
| 133 | co.load_local(localResultSet); |
| 134 | co.invoke_interface(TYPE_ResultSet, SIG_next); |
| 135 | if (returnType.isPrimitive()) { |
| 136 | co.if_jump(CodeEmitter.EQ, labelThrowNoResult); |
| 137 | } else { |
| 138 | co.if_jump(CodeEmitter.EQ, labelFinally); |
| 139 | } |
| 140 | |
| 141 | if (!(mapper.getResults().size() == 1 && mapper.getResults().get(0).usesAtomic())) { |
| 142 | EmitUtils.createAndStoreNewResultObject(co, mapper, localResultSet, localResult); |
| 143 | } |
| 144 | |
| 145 | // --- get results |
| 146 | ResultMappingGenerator rmp = new ResultMappingGenerator(co, localResultSet, localResult, null, false, null); |
| 147 | mapper.acceptResultMappers(rmp); |
| 148 | |
| 149 | // if (rs.next()) { |
| 150 | co.load_local(localResultSet); |
| 151 | co.invoke_interface(TYPE_ResultSet, SIG_next); |
| 152 | co.if_jump(CodeEmitter.NE, labelThrowMoreThanOneResult); |
| 153 | co.goTo(labelFinally); |
| 154 | |
| 155 | co.mark(labelThrowMoreThanOneResult); |
| 156 | // throw new SQLException("More than one result in result set"); |
| 157 | co.throw_exception(TYPE_SQLException, EXCEPTION_MORE_THAN_ONE_RESULT); |
| 158 | // throw new SQLException("Empty result set returned"); |
| 159 | co.mark(labelThrowNoResult); |
| 160 | co.throw_exception(TYPE_SQLException, EXCEPTION_EMPTY_RESULT); |
| 161 | |
| 162 | // finally block |
| 163 | co.mark(labelFinally); |
| 164 | EmitUtils.emitClose(co, localResultSet, true); |
| 165 | EmitUtils.emitClose(co, localPreparedStatement, false); |
| 166 | |
| 167 | // return result |
| 168 | co.load_local(localResult); |
| 169 | co.return_value(); |
| 170 | // } |
| 171 | |
| 172 | // exception handler + finally |
| 173 | blockTry.end(); |
| 174 | co.catch_exception(blockTry, TYPE_Throwable); |
| 175 | |
| 176 | // store thrown exception |
| 177 | co.store_local(localException); |
| 178 | |
| 179 | // finally block |
| 180 | EmitUtils.emitClose(co, localResultSet, true); |
| 181 | EmitUtils.emitClose(co, localPreparedStatement, false); |
| 182 | |
| 183 | // throw stored exception |
| 184 | co.load_local(localException); |
| 185 | co.athrow(); |
| 186 | } |
| 187 | |
| 188 | private static void addSelectQueryBodyWithCollection(CodeEmitter co, QueryObjectGenerator generator, Mapper mapper) { |
| 189 | Local localPreparedStatement = co.make_local(TYPE_PreparedStatement); |
| 190 | Local localResultSet = co.make_local(TYPE_ResultSet); |
| 191 | Local localResultCollection = co.make_local(TYPE_Collection); |
| 192 | Local localException = co.make_local(TYPE_Throwable); |
| 193 | Local localMapKey; |
| 194 | boolean usesMap = false; |
| 195 | |
| 196 | SQLDialect sqlDialect = generator.getSqlDialect(); |
| 197 | boolean implementPaging = generator.getImplementPaging(); |
| 198 | String classNameType = generator.getClassNameType(); |
| 199 | Customizer customizer = generator.getCustomizer(); |
| 200 | |
| 201 | Class<?> resultMapKeyType = mapper.getMethod().getReturnInfo().getMapKeyType(); |
| 202 | if (resultMapKeyType == null) { |
| 203 | localMapKey = null; |
| 204 | } else { |
| 205 | localMapKey = co.make_local(Type.getType(resultMapKeyType)); |
| 206 | } |
| 207 | |
| 208 | // ResultSet rs = null; |
| 209 | co.aconst_null(); |
| 210 | co.store_local(localResultSet); |
| 211 | // list = new ArrayList(); |
| 212 | Type collectionType = null; |
| 213 | Class<?> resultCollectionType = mapper.getMethod().getReturnInfo().getCollectionType(); |
| 214 | if (resultCollectionType == List.class) { |
| 215 | collectionType = customizer.getListType(); |
| 216 | } else if (resultCollectionType == Set.class) { |
| 217 | collectionType = customizer.getSetType(); |
| 218 | } else if (resultCollectionType == Map.class) { |
| 219 | usesMap = true; |
| 220 | collectionType = customizer.getMapType(); |
| 221 | } else { |
| 222 | throw new ValidationException("Collection type " + resultCollectionType + " is not allowed"); |
| 223 | } |
| 224 | co.new_instance(collectionType); |
| 225 | co.dup(); |
| 226 | co.invoke_constructor(collectionType); |
| 227 | co.store_local(localResultCollection); |
| 228 | |
| 229 | Local localParameterIndexOffset = null; |
| 230 | if (mapper.usesArray() || |
| 231 | (implementPaging && sqlDialect.limitParametersBeforeQueryParameters())) { |
| 232 | localParameterIndexOffset = co.make_local(TYPE_int); |
| 233 | } |
| 234 | if (mapper.usesArray()) { |
| 235 | co.push(0); |
| 236 | co.store_local(localParameterIndexOffset); |
| 237 | } |
| 238 | |
| 239 | if (implementPaging) { |
| 240 | String sql = mapper.getSql(); |
| 241 | |
| 242 | Label label1 = co.make_label(); |
| 243 | Label label2 = co.make_label(); |
| 244 | Label label3 = co.make_label(); |
| 245 | co.load_this(); |
| 246 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 247 | co.if_jump(CodeEmitter.NE, label1); |
| 248 | co.load_this(); |
| 249 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 250 | co.if_jump(CodeEmitter.NE, label1); |
| 251 | |
| 252 | co.load_this(); |
| 253 | co.invoke_virtual(Type.getType(classNameType), SIG_getConnection); |
| 254 | //co.push(sql); |
| 255 | pushSql(co, mapper, sql); |
| 256 | co.invoke_interface(TYPE_Connection, SIG_prepareStatement); |
| 257 | co.store_local(localPreparedStatement); |
| 258 | |
| 259 | if (sqlDialect.limitParametersBeforeQueryParameters()) { |
| 260 | co.push(0); |
| 261 | co.store_local(localParameterIndexOffset); |
| 262 | } |
| 263 | |
| 264 | co.goTo(label2); |
| 265 | |
| 266 | co.mark(label1); |
| 267 | co.load_this(); |
| 268 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 269 | co.if_jump(CodeEmitter.NE, label3); |
| 270 | |
| 271 | co.load_this(); |
| 272 | co.invoke_virtual(Type.getType(classNameType), SIG_getConnection); |
| 273 | //co.push(sqlDialect.getLimitString(sql, false)); |
| 274 | pushSql(co, mapper, sqlDialect.getLimitString(sql, false)); |
| 275 | co.invoke_interface(TYPE_Connection, SIG_prepareStatement); |
| 276 | co.store_local(localPreparedStatement); |
| 277 | |
| 278 | if (sqlDialect.limitParametersBeforeQueryParameters()) { |
| 279 | co.push(1); |
| 280 | co.store_local(localParameterIndexOffset); |
| 281 | |
| 282 | co.load_local(localPreparedStatement); |
| 283 | co.push(1); |
| 284 | co.load_this(); |
| 285 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 286 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 287 | |
| 288 | } else { |
| 289 | co.load_local(localPreparedStatement); |
| 290 | co.push(1 + mapper.getMaxParameterSqlIndex()); |
| 291 | co.load_this(); |
| 292 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 293 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 294 | } |
| 295 | co.goTo(label2); |
| 296 | |
| 297 | co.mark(label3); |
| 298 | |
| 299 | co.load_this(); |
| 300 | co.invoke_virtual(Type.getType(classNameType), SIG_getConnection); |
| 301 | // co.push(sqlDialect.getLimitString(sql, true)); |
| 302 | pushSql(co, mapper, sqlDialect.getLimitString(sql, true)); |
| 303 | co.invoke_interface(TYPE_Connection, SIG_prepareStatement); |
| 304 | co.store_local(localPreparedStatement); |
| 305 | |
| 306 | if (sqlDialect.limitParametersBeforeQueryParameters()) { |
| 307 | co.push(2); |
| 308 | co.store_local(localParameterIndexOffset); |
| 309 | |
| 310 | if (sqlDialect.limitOffsetFirst()) { |
| 311 | co.load_local(localPreparedStatement); |
| 312 | co.push(1); |
| 313 | co.load_this(); |
| 314 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 315 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 316 | |
| 317 | co.load_local(localPreparedStatement); |
| 318 | co.push(2); |
| 319 | if (sqlDialect.limitAddOffset()) { |
| 320 | co.load_this(); |
| 321 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 322 | co.load_this(); |
| 323 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 324 | co.math(CodeEmitter.ADD, TYPE_int); |
| 325 | } else { |
| 326 | co.load_this(); |
| 327 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 328 | } |
| 329 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 330 | } else { |
| 331 | co.load_local(localPreparedStatement); |
| 332 | co.push(1); |
| 333 | if (sqlDialect.limitAddOffset()) { |
| 334 | co.load_this(); |
| 335 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 336 | co.load_this(); |
| 337 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 338 | co.math(CodeEmitter.ADD, TYPE_int); |
| 339 | } else { |
| 340 | co.load_this(); |
| 341 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 342 | } |
| 343 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 344 | |
| 345 | co.load_local(localPreparedStatement); |
| 346 | co.push(2); |
| 347 | co.load_this(); |
| 348 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 349 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 350 | } |
| 351 | } else { |
| 352 | if (sqlDialect.limitOffsetFirst()) { |
| 353 | co.load_local(localPreparedStatement); |
| 354 | co.push(1 + mapper.getMaxParameterSqlIndex()); |
| 355 | co.load_this(); |
| 356 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 357 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 358 | |
| 359 | if (sqlDialect.limitAddOffset()) { |
| 360 | co.load_local(localPreparedStatement); |
| 361 | co.push(2 + mapper.getMaxParameterSqlIndex()); |
| 362 | co.load_this(); |
| 363 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 364 | co.load_this(); |
| 365 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 366 | co.math(CodeEmitter.ADD, TYPE_int); |
| 367 | } else { |
| 368 | co.load_local(localPreparedStatement); |
| 369 | co.push(2 + mapper.getMaxParameterSqlIndex()); |
| 370 | co.load_this(); |
| 371 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 372 | } |
| 373 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 374 | } else { |
| 375 | if (sqlDialect.limitAddOffset()) { |
| 376 | co.load_local(localPreparedStatement); |
| 377 | co.push(1 + mapper.getMaxParameterSqlIndex()); |
| 378 | co.load_this(); |
| 379 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 380 | co.load_this(); |
| 381 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 382 | co.math(CodeEmitter.ADD, TYPE_int); |
| 383 | } else { |
| 384 | co.load_local(localPreparedStatement); |
| 385 | co.push(1 + mapper.getMaxParameterSqlIndex()); |
| 386 | co.load_this(); |
| 387 | co.getfield(FIELD_NAME_MAX_RESULTS); |
| 388 | } |
| 389 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 390 | |
| 391 | co.load_local(localPreparedStatement); |
| 392 | co.push(2 + mapper.getMaxParameterSqlIndex()); |
| 393 | co.load_this(); |
| 394 | co.getfield(FIELD_NAME_FIRST_RESULT); |
| 395 | co.invoke_interface(TYPE_PreparedStatement, SIG_setInt); |
| 396 | } |
| 397 | } |
| 398 | |
| 399 | co.mark(label2); |
| 400 | |
| 401 | // reset firstResult, maxResults |
| 402 | |
| 403 | // firstResult = 0; |
| 404 | co.load_this(); |
| 405 | co.push(0); |
| 406 | co.putfield(FIELD_NAME_FIRST_RESULT); |
| 407 | // maxResults = 0; |
| 408 | co.load_this(); |
| 409 | co.push(0); |
| 410 | co.putfield(FIELD_NAME_MAX_RESULTS); |
| 411 | |
| 412 | } else { |
| 413 | // ps = connection.prepareStatement(sql); |
| 414 | co.load_this(); |
| 415 | co.invoke_virtual(Type.getType(classNameType), SIG_getConnection); |
| 416 | pushSql(co, mapper, mapper.getSql()); |
| 417 | co.invoke_interface(TYPE_Connection, SIG_prepareStatement); |
| 418 | co.store_local(localPreparedStatement); |
| 419 | } |
| 420 | |
| 421 | // try{ |
| 422 | Block blockTry = co.begin_block(); |
| 423 | |
| 424 | // ps.setFetchSize(fetchSize); |
| 425 | co.load_local(localPreparedStatement); |
| 426 | co.load_this(); |
| 427 | generator.emitGetField(co, FIELD_NAME_FETCH_SIZE); |
| 428 | co.invoke_interface(TYPE_PreparedStatement, SIG_setFetchSize); |
| 429 | |
| 430 | ParameterMappingGenerator pmg = new ParameterMappingGenerator(co, localPreparedStatement, |
| 431 | null, null, localParameterIndexOffset); |
| 432 | mapper.acceptParameterMappers(pmg); |
| 433 | |
| 434 | // ps.executeQuery(); |
| 435 | co.load_local(localPreparedStatement); |
| 436 | co.invoke_interface(TYPE_PreparedStatement, SIG_executeQuery); |
| 437 | co.store_local(localResultSet); |
| 438 | |
| 439 | ResultMapping resultMapping = null; |
| 440 | for (ResultMapping rm : mapper.getResults()) { |
| 441 | if (!rm.isMapKey()) { |
| 442 | resultMapping = rm; |
| 443 | break; |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | Label labelWhile = co.make_label(); |
| 448 | Label labelFinally = co.make_label(); |
| 449 | |
| 450 | Local localResult = co.make_local(Type.getType(resultMapping.getBeanType() != null ? resultMapping |
| 451 | .getBeanType() : resultMapping.getType())); |
| 452 | // while (rs.next()) { |
| 453 | co.mark(labelWhile); |
| 454 | co.load_local(localResultSet); |
| 455 | co.invoke_interface(TYPE_ResultSet, SIG_next); |
| 456 | co.if_jump(CodeEmitter.EQ, labelFinally); |
| 457 | |
| 458 | if (!(mapper.getResults().size() == 1 && resultMapping.usesAtomic()) |
| 459 | && !(usesMap && mapper.getResults().size() == 2 && resultMapping.usesAtomic())) { |
| 460 | EmitUtils.createAndStoreNewResultObject(co, mapper, localResultSet, localResult); |
| 461 | } |
| 462 | |
| 463 | // get results |
| 464 | ResultMappingGenerator rmp = new ResultMappingGenerator(co, localResultSet, localResult, localMapKey, false, null); |
| 465 | mapper.acceptResultMappers(rmp); |
| 466 | |
| 467 | if (usesMap) { |
| 468 | co.load_local(localResultCollection); |
| 469 | co.load_local(localMapKey); |
| 470 | co.load_local(localResult); |
| 471 | co.invoke_interface(TYPE_Map, SIG_put); |
| 472 | co.pop(); |
| 473 | } else { |
| 474 | // add result |
| 475 | co.load_local(localResultCollection); |
| 476 | co.load_local(localResult); |
| 477 | co.invoke_interface(TYPE_Collection, SIG_add); |
| 478 | co.pop(); |
| 479 | } |
| 480 | |
| 481 | // } // end while |
| 482 | co.goTo(labelWhile); |
| 483 | |
| 484 | // finally block |
| 485 | co.mark(labelFinally); |
| 486 | EmitUtils.emitClose(co, localResultSet, true); |
| 487 | EmitUtils.emitClose(co, localPreparedStatement, false); |
| 488 | |
| 489 | // return result |
| 490 | co.load_local(localResultCollection); |
| 491 | co.return_value(); |
| 492 | // } |
| 493 | |
| 494 | // exception handler + finally |
| 495 | blockTry.end(); |
| 496 | co.catch_exception(blockTry, TYPE_Throwable); |
| 497 | |
| 498 | // store thrown exception |
| 499 | co.store_local(localException); |
| 500 | |
| 501 | // finally block |
| 502 | EmitUtils.emitClose(co, localResultSet, true); |
| 503 | EmitUtils.emitClose(co, localPreparedStatement, false); |
| 504 | |
| 505 | // throw stored exception |
| 506 | co.load_local(localException); |
| 507 | co.athrow(); |
| 508 | } |
| 509 | |
| 510 | private static void pushSql(CodeEmitter co, Mapper mapper, String sql) { |
| 511 | if (mapper.usesArray()) { |
| 512 | co.push(sql); |
| 513 | List<ParameterMapping> mappings = mapper.getParameters(); |
| 514 | for (int i = mappings.size() - 1; i >= 0; i--) { |
| 515 | ParameterMapping mapping = mappings.get(i); |
| 516 | if (mapping.usesArray()) { |
| 517 | co.push(mapping.getSqlIndexes()[0]); // index |
| 518 | co.load_arg(mapping.getIndex()); |
| 519 | co.arraylength(); // numArgs |
| 520 | co.invoke_static(Type.getType(InClauseParameterReplacer.class), |
| 521 | new Signature("replace", "(Ljava/lang/String;II)Ljava/lang/String;")); |
| 522 | } |
| 523 | } |
| 524 | } else { |
| 525 | co.push(sql); |
| 526 | } |
| 527 | } |
| 528 | |
| 529 | } |