September 2012 - Topia-commits - mailman.cloud.codelutin.com

r2660 - in branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv: . in
by tchemit＠users.nuiton.org Sept. 11, 2012

Sept. 11, 2012

Author: tchemit Date: 2012-09-11 18:47:05 +0200 (Tue, 11 Sep 2012) New Revision: 2660 Url: http://nuiton.org/repositories/revision/topia/2660 Log: fixes #2310: Add progression model while importing data Added: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/CsvProgressionModel.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvImportResult.java branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java Added: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/CsvProgressionModel.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/CsvProgressionModel.java (rev 0) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/CsvProgressionModel.java 2012-09-11 16:47:05 UTC (rev 2660) @@ -0,0 +1,46 @@ +package org.nuiton.topia.persistence.csv; + +/* + * #%L + * ToPIA :: Persistence + * $Id$ + * $HeadURL$ + * %% + * Copyright (C) 2004 - 2012 CodeLutin + * %% + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as + * published by the Free Software Foundation, either version 3 of the + * License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Lesser Public License for more details. + * + * You should have received a copy of the GNU General Lesser Public + * License along with this program. If not, see + * <http://www.gnu.org/licenses/lgpl-3.0.html>. + * #L% + */ + +import java.io.Serializable; + +/** + * Csv progression model contract. + * + * @author tchemit <chemit(a)codelutin.com> + * @since 2.6.13 + */ +public interface CsvProgressionModel extends Serializable { + + long getNbSteps(); + + float getProgression(); + + void setProgression(float progression); + + void incrementsProgression(); + + void setNbSteps(long nbSteps); +} Property changes on: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/CsvProgressionModel.java ___________________________________________________________________ Added: svn:keywords + Author Date Id Revision HeadURL Added: svn:eol-style + native Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvImportResult.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvImportResult.java 2012-09-10 12:29:27 UTC (rev 2659) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvImportResult.java 2012-09-11 16:47:05 UTC (rev 2660) @@ -24,6 +24,7 @@ */ import org.nuiton.topia.persistence.TopiaEntityEnum; +import org.nuiton.topia.persistence.csv.CsvProgressionModel; import java.io.Serializable; @@ -53,20 +54,33 @@ /** Count of updated entities. */ protected int numberUpdated; + protected final CsvProgressionModel progressionModel; + public static <T extends TopiaEntityEnum> CsvImportResult<T> newResult(T entityType, String importFileName, boolean createIfNotFound) { + CsvImportResult<T> result = newResult(entityType, importFileName, + createIfNotFound, null); + return result; + } + + public static <T extends TopiaEntityEnum> CsvImportResult<T> newResult(T entityType, + String importFileName, + boolean createIfNotFound, + CsvProgressionModel progressionModel) { CsvImportResult<T> result = new CsvImportResult<T>(entityType, importFileName, - createIfNotFound); + createIfNotFound, progressionModel); return result; } protected CsvImportResult(T entityType, String importFileName, - boolean createIfNotFound) { + boolean createIfNotFound, + CsvProgressionModel progressionModel) { this.entityType = entityType; this.importFileName = importFileName; this.createIfNotFound = createIfNotFound; + this.progressionModel = progressionModel; } public T getEntityType() { @@ -98,4 +112,7 @@ numberUpdated++; } + public CsvProgressionModel getProgressionModel() { + return progressionModel; + } } Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java 2012-09-10 12:29:27 UTC (rev 2659) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java 2012-09-11 16:47:05 UTC (rev 2660) @@ -31,9 +31,11 @@ import org.apache.commons.logging.LogFactory; import org.nuiton.topia.TopiaContext; import org.nuiton.topia.TopiaException; +import org.nuiton.topia.framework.TopiaContextImplementor; import org.nuiton.topia.persistence.TopiaDAO; import org.nuiton.topia.persistence.TopiaEntity; import org.nuiton.topia.persistence.TopiaEntityEnum; +import org.nuiton.topia.persistence.csv.CsvProgressionModel; import org.nuiton.topia.persistence.metadata.AssociationMeta; import org.nuiton.topia.persistence.metadata.MetaFilenameAware; import org.nuiton.topia.persistence.metadata.TableMeta; @@ -186,9 +188,9 @@ * @see ImportStrategy#importTable(TableMeta, Import, CsvImportResult) */ public static <T extends TopiaEntityEnum, E extends TopiaEntity> Iterable<E> importTableAndReturn(Reader reader, - ImportStrategy<T> importStrategy, - TableMeta<T> meta, - CsvImportResult<T> csvResult) throws TopiaException, IOException { + ImportStrategy<T> importStrategy, + TableMeta<T> meta, + CsvImportResult<T> csvResult) throws TopiaException, IOException { if (log.isInfoEnabled()) { @@ -246,6 +248,8 @@ Import<E> importer, CsvImportResult<T> csvResult) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); for (E entity : importer) { Map<String, Object> properties = meta.prepareCreate( @@ -256,15 +260,54 @@ if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } } + public static <T extends TopiaEntityEnum, E extends TopiaEntity> void importAllEntities(TopiaDAO<E> dao, + TableMeta<T> meta, + Import<E> importer, + CsvImportResult<T> csvResult, + int nbRowBuffer) throws TopiaException { + + TopiaContextImplementor context = dao.getContext(); + + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); + + int compt = 0; + for (E entity : importer) { + + Map<String, Object> properties = meta.prepareCreate( + entity, entity.getTopiaId()); + E entityToSave = dao.create(properties); + + meta.copy(entity, entityToSave); + + if (csvResult != null) { + csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } + } + compt++; + if (compt % nbRowBuffer == 0) { + // flush it + context.getHibernate().flush(); + } + } + } + public static <T extends TopiaEntityEnum, E extends TopiaEntity> Iterable<E> importAllEntitiesAndReturnThem(TopiaDAO<E> dao, TableMeta<T> meta, Import<E> importer, CsvImportResult<T> csvResult) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); List<E> result = Lists.newArrayList(); for (E entity : importer) { @@ -276,7 +319,11 @@ if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } + result.add(entityToSave); } return result; @@ -288,6 +335,8 @@ Import<E> importer, CsvImportResult<T> csvResult) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); for (E entity : importer) { String topiaId = entity.getTopiaId(); @@ -311,6 +360,9 @@ if (csvResult != null) { csvResult.incrementsNumberCreated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } else { // existing entity, nothing to create @@ -330,6 +382,8 @@ CsvImportResult<T> csvResult, int nbRowBuffer) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); T source = meta.getSource(); T target = meta.getTarget(); @@ -361,6 +415,9 @@ } if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } if (builder.length() > 0) { @@ -374,6 +431,8 @@ CsvImportResult<T> csvResult, int nbRowBuffer) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); T source = meta.getSource(); T target = meta.getTarget(); @@ -409,6 +468,9 @@ } if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } if (builder.length() > 0) { @@ -423,6 +485,8 @@ CsvImportResult<T> csvResult, int nbRowBuffer) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); T source = meta.getSource(); T target = meta.getTarget(); @@ -460,6 +524,9 @@ } if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } if (builder.length() > 0) { @@ -474,6 +541,9 @@ CsvImportResult<T> csvResult, int nbRowBuffer) throws TopiaException { + CsvProgressionModel progressionModel = csvResult == null ? null : + csvResult.getProgressionModel(); + T source = meta.getSource(); T target = meta.getTarget(); @@ -508,6 +578,9 @@ } if (csvResult != null) { csvResult.incrementsNumberUpdated(); + if (progressionModel != null) { + progressionModel.incrementsProgression(); + } } } if (builder.length() > 0) {

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r2659 - branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in
by tchemit＠users.nuiton.org Sept. 10, 2012

Sept. 10, 2012

Author: tchemit Date: 2012-09-10 14:29:27 +0200 (Mon, 10 Sep 2012) New Revision: 2659 Url: http://nuiton.org/repositories/revision/topia/2659 Log: fixes #2309: Add a new method to import a talbe and return imported entities Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/ImportStrategy.java branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/ImportStrategy.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/ImportStrategy.java 2012-09-07 16:21:52 UTC (rev 2658) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/ImportStrategy.java 2012-09-10 12:29:27 UTC (rev 2659) @@ -49,7 +49,7 @@ ImportModelFactory<T> getModelFactory(); /** - * Import a table given a {@code importer}. with an optional csv result. + * Import a table given a {@code importer} with an optional csv result. * * @param meta type of table to import * @param importer the csv importer @@ -60,8 +60,22 @@ CsvImportResult<T> csvResult) throws TopiaException; /** - * Import a association given a {@code importer}. with an optional csv result. + * Import a table given a {@code importer} with an optional csv result, + * and return them. * + * @param meta type of table to import + * @param importer the csv importer + * @param csvResult optional object where to put csv import result + * @return imported entities + * @throws TopiaException if any db problem + * @since 2.6.14 + */ + <E extends TopiaEntity> Iterable<E> importTableAndReturnThem(TableMeta<T> meta, Import<E> importer, + CsvImportResult<T> csvResult) throws TopiaException; + + /** + * Import a association given a {@code importer} with an optional csv result. + * * @param meta type of association to import * @param importer the csv importer * @param csvResult optional object where to put csv import result Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java 2012-09-07 16:21:52 UTC (rev 2658) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/TopiaCsvImports.java 2012-09-10 12:29:27 UTC (rev 2659) @@ -164,14 +164,47 @@ ImportModel<E> model = importStrategy.getModelFactory().buildForImport(meta); Import<E> importer = Import.newImport(model, reader); try { - importStrategy.importTable(meta, importer, - csvResult); + importStrategy.importTable(meta, importer, csvResult); } finally { importer.close(); } } /** + * To import a table (given by his {@code meta}) from a reader and a strategy. + * + * Result of import can be stored in an optional csv result. + * + * @param reader where to read csv data + * @param importStrategy import strategy used to store csv data + * @param meta meta of the data + * @param csvResult optional csv result + * @param <T> type of entity enum + * @param <E> type of data + * @throws TopiaException if any db problem while storing datas + * @throws IOException if any pb while reading csv data + * @see ImportStrategy#importTable(TableMeta, Import, CsvImportResult) + */ + public static <T extends TopiaEntityEnum, E extends TopiaEntity> Iterable<E> importTableAndReturn(Reader reader, + ImportStrategy<T> importStrategy, + TableMeta<T> meta, + CsvImportResult<T> csvResult) throws TopiaException, IOException { + + + if (log.isInfoEnabled()) { + log.info("Will import " + meta); + } + + ImportModel<E> model = importStrategy.getModelFactory().buildForImport(meta); + Import<E> importer = Import.newImport(model, reader); + try { + return importStrategy.importTableAndReturnThem(meta, importer, csvResult); + } finally { + importer.close(); + } + } + + /** * To import a association (given by his {@code meta}) from a reader and a strategy. * * Result of import can be stored in an optional csv result.

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r2658 - branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in
by tchemit＠users.nuiton.org Sept. 7, 2012

Sept. 7, 2012

Author: tchemit Date: 2012-09-07 18:21:52 +0200 (Fri, 07 Sep 2012) New Revision: 2658 Url: http://nuiton.org/repositories/revision/topia/2658 Log: fixes #2306: CsvFileImportResult does not give back correct entities number Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvFileImportResult.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvFileImportResult.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvFileImportResult.java 2012-09-05 15:59:50 UTC (rev 2657) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/in/CsvFileImportResult.java 2012-09-07 16:21:52 UTC (rev 2658) @@ -98,15 +98,13 @@ protected int getInteger(Map<T, Integer> map, T entityType) { Integer result = map.get(entityType); - return result == null ? 0 : result; + return result; } protected void increments(Map<T, Integer> map, T entityType) { Integer result = map.get(entityType); - if (result == null) { - + if (result == 0) { entityTypes.add(entityType); - result = 0; } map.put(entityType, ++result); }

1 0

r2657 - branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out
by tchemit＠users.nuiton.org Sept. 5, 2012

Sept. 5, 2012

Author: tchemit Date: 2012-09-05 17:59:50 +0200 (Wed, 05 Sep 2012) New Revision: 2657 Url: http://nuiton.org/repositories/revision/topia/2657 Log: fixes #2302: TopiaCsvExport should use as incoming source Iterable not List Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/PrepareDataForExport.java branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/TopiaCsvExports.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/PrepareDataForExport.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/PrepareDataForExport.java 2012-09-05 15:58:19 UTC (rev 2656) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/PrepareDataForExport.java 2012-09-05 15:59:50 UTC (rev 2657) @@ -28,8 +28,6 @@ import org.nuiton.topia.persistence.metadata.AssociationMeta; import org.nuiton.topia.persistence.metadata.TableMeta; -import java.util.List; - /** * Prepare data to export. * @@ -38,7 +36,7 @@ */ public interface PrepareDataForExport<T extends TopiaEntityEnum> { - <E extends TopiaEntity> List<E> prepareData(TableMeta<T> tableMeta); + <E extends TopiaEntity> Iterable<E> prepareData(TableMeta<T> tableMeta); - <E extends TopiaEntity> List<E> prepareData(AssociationMeta<T> associationMeta); + <E extends TopiaEntity> Iterable<E> prepareData(AssociationMeta<T> associationMeta); } Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/TopiaCsvExports.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/TopiaCsvExports.java 2012-09-05 15:58:19 UTC (rev 2656) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/csv/out/TopiaCsvExports.java 2012-09-05 15:59:50 UTC (rev 2657) @@ -136,8 +136,7 @@ ExportModelFactory<T> modelFactory, PrepareDataForExport<T> prepareDataForExport) { - - List<E> datas = prepareDataForExport.prepareData(tableMeta); + Iterable<E> datas = prepareDataForExport.prepareData(tableMeta); ExportModel<E> model = modelFactory.buildForExport(tableMeta); return Export.newExport(model, datas); } @@ -146,7 +145,7 @@ ExportModelFactory<T> modelFactory, PrepareDataForExport<T> prepareDataForExport) { - List<E> datas = prepareDataForExport.prepareData(associationMeta); + Iterable<E> datas = prepareDataForExport.prepareData(associationMeta); ExportModel<E> model = modelFactory.buildForExport(associationMeta); return Export.newExport(model, datas); }

1 0

r2656 - branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/framework
by tchemit＠users.nuiton.org Sept. 5, 2012

Sept. 5, 2012

Author: tchemit Date: 2012-09-05 17:58:19 +0200 (Wed, 05 Sep 2012) New Revision: 2656 Url: http://nuiton.org/repositories/revision/topia/2656 Log: fix javadoc Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/framework/TopiaContextImpl.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/framework/TopiaContextImpl.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/framework/TopiaContextImpl.java 2012-09-05 15:58:04 UTC (rev 2655) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/framework/TopiaContextImpl.java 2012-09-05 15:58:19 UTC (rev 2656) @@ -1403,8 +1403,7 @@ /** * Clear hibernate cache to free memory. * - * @see http://docs.jboss.org/hibernate/orm/3.5/reference/en-US/html/transactions.h… - * @since 2.6.13 + * see http://docs.jboss.org/hibernate/orm/3.5/reference/en-US/html/transactions.h… */ @Override public void clearCache() throws TopiaException {

1 0

r2655 - in branches/topia-2.6.x/topia-persistence/src: main/java/org/nuiton/topia/persistence test/java/org/nuiton/topia/persistence
by tchemit＠users.nuiton.org Sept. 5, 2012

Sept. 5, 2012

Author: tchemit Date: 2012-09-05 17:58:04 +0200 (Wed, 05 Sep 2012) New Revision: 2655 Url: http://nuiton.org/repositories/revision/topia/2655 Log: fixes #2301: Add methods findAllLazyByQuery on TopiaDAO to iterate on result by a lazy mecanism Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAO.java branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAOImpl.java branches/topia-2.6.x/topia-persistence/src/test/java/org/nuiton/topia/persistence/TopiaDAOTest.java Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAO.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAO.java 2012-08-30 14:44:13 UTC (rev 2654) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAO.java 2012-09-05 15:58:04 UTC (rev 2655) @@ -60,7 +60,7 @@ * @author tchemit <chemit(a)codelutin.com> * @version $Id$ */ -public interface TopiaDAO<E extends TopiaEntity> extends TopiaDAODeprecated<E> { +public interface TopiaDAO<E extends TopiaEntity> extends TopiaDAODeprecated<E>, Iterable<E> { //------------------------------------------------------------------------// //-- Create - update - delete methods ------------------------------------// @@ -328,6 +328,74 @@ Object... params) throws TopiaException; /** + * Gets all entities in lazy mode when executing the given select query + * for the dao entity type. + * + * Important note: + * + * @param hql hql query + * @param params query params + * @return entites of the query result + * @throws TopiaException if any pb while getting datas + * @since 2.6.14 + */ + Iterable<E> findAllLazyByQuery(String hql, + Object... params) throws TopiaException; + + /** + * Gets all entities in lazy mode when executing the given select query + * for the given {@code type} which may not be a entity type (int, long, map,...). + * + * Important note: + * + * @param type type of data to return + * @param hql hql query + * @param params query params + * @return entites of the query result + * @throws TopiaException if any pb while getting datas + * @since 2.6.14 + */ + <R> Iterable<R> findAllLazyByQuery(Class<R> type, + String hql, + Object... params) throws TopiaException; + + /** + * Gets all entities in lazy mode when executing the given select query + * for the dao entity type. + * + * Important note: + * + * @param batchSize batch size + * @param hql hql query + * @param params query params + * @return entites of the query result + * @throws TopiaException if any pb while getting datas + * @since 2.6.14 + */ + Iterable<E> findAllLazyByQuery(int batchSize, + String hql, + Object... params) throws TopiaException; + + /** + * Gets all entities in lazy mode when executing the given select query + * for the given {@code type} which may not be a entity type (int, long, map,...). + * + * Important note: + * + * @param type type of data to return + * @param batchSize batch size + * @param hql hql query + * @param params query params + * @return entites of the query result + * @throws TopiaException if any pb while getting datas + * @since 2.6.14 + */ + <R> Iterable<R> findAllLazyByQuery(Class<R> type, + int batchSize, + String hql, + Object... params) throws TopiaException; + + /** * Gets a page of entities when executing the given select query for the dao * entity type (will only return the window of {@code startIndex - * endIndex} entities). @@ -340,6 +408,25 @@ * @throws TopiaException if any pb while getting datas * @since 2.6.12 */ + <R> List<R> findAllByQueryWithBound(Class<R> type, + String hql, + int startIndex, + int endIndex, + Object... params) throws TopiaException; + + /** + * Gets a page of entities when executing the given select query for the dao + * entity type (will only return the window of {@code startIndex - + * endIndex} entities). + * + * @param hql hql query to execute + * @param startIndex first index of entity to return + * @param endIndex last index of entity to return + * @param params query params + * @return entites of the paginated query result + * @throws TopiaException if any pb while getting datas + * @since 2.6.12 + */ List<E> findAllByQueryWithBound(String hql, int startIndex, int endIndex, @@ -349,6 +436,7 @@ * Gets a page of entities of the given select {@code hql} query using the * {@code pager} to obtain the window of entities to return. * + * @param type type of data to return * @param hql hql query to execute * @param pager pager to obtan the correct window of data * @param params params of the query @@ -357,6 +445,23 @@ * @see TopiaFilterPagerUtil.FilterPagerBean * @since 2.6.12 */ + <R> List<R> findAllByQueryAndPager(Class<R> type, + String hql, + TopiaFilterPagerUtil.FilterPagerBean pager, + Object... params) throws TopiaException; + + /** + * Gets a page of entities of the given select {@code hql} query using the + * {@code pager} to obtain the window of entities to return. + * + * @param hql hql query to execute + * @param pager pager to obtan the correct window of data + * @param params params of the query + * @return entities of the paginated query result + * @throws TopiaException if any pb while getting datas + * @see TopiaFilterPagerUtil.FilterPagerBean + * @since 2.6.12 + */ List<E> findAllByQueryAndPager(String hql, TopiaFilterPagerUtil.FilterPagerBean pager, Object... params) throws TopiaException; @@ -520,6 +625,24 @@ Class<E> getEntityClass(); /** + * Obtains the batch size used to load data. + * + * Default value if 1000. + * + * @return the batch size. + * @since 2.6.14 + */ + int getBatchSize(); + + /** + * Set a new default batch size. + * + * @param batchSize new batch size to use when iterating. + * @since 2.6.14 + */ + void setBatchSize(int batchSize); + + /** * When TopiaContextImpl create the TopiaDAOHibernate, it must call this * method just after. * Modified: branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAOImpl.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAOImpl.java 2012-08-30 14:44:13 UTC (rev 2654) +++ branches/topia-2.6.x/topia-persistence/src/main/java/org/nuiton/topia/persistence/TopiaDAOImpl.java 2012-09-05 15:58:04 UTC (rev 2655) @@ -38,6 +38,7 @@ package org.nuiton.topia.persistence; import com.google.common.base.Preconditions; +import com.google.common.collect.Iterators; import org.apache.commons.beanutils.PropertyUtils; import org.apache.commons.lang3.StringUtils; import org.apache.commons.logging.Log; @@ -46,6 +47,7 @@ import org.hibernate.Session; import org.hibernate.metadata.ClassMetadata; import org.nuiton.topia.TopiaException; +import org.nuiton.topia.TopiaRuntimeException; import org.nuiton.topia.event.TopiaEntityListener; import org.nuiton.topia.event.TopiaEntityVetoable; import org.nuiton.topia.framework.TopiaContextImplementor; @@ -56,8 +58,10 @@ import java.lang.reflect.InvocationTargetException; import java.security.Permission; import java.util.HashMap; +import java.util.Iterator; import java.util.List; import java.util.Map; +import java.util.NoSuchElementException; /** * Cette classe permet d'avoir un ensemble de méthode implantée de façon @@ -79,10 +83,27 @@ /** to use log facility, just put in your code: log.info(\"...\"); */ private static Log log = LogFactory.getLog(TopiaDAOImpl.class); + /** + * Type of entity managed by this dao. + * + * @since ever + */ protected Class<E> entityClass; + /** + * Underlying context used by this dao to do actions on db. + * + * @since ever + */ protected TopiaContextImplementor context; + /** + * Default batch size used to iterate on data. + * + * @since 2.6.14 + */ + private int batchSize = 1000; + @Override public TopiaEntityEnum getTopiaEntityEnum() { throw new UnsupportedOperationException( @@ -95,6 +116,28 @@ "This method must be overided in generated DAO"); } + @Override + public int getBatchSize() { + return batchSize; + } + + @Override + public void setBatchSize(int batchSize) { + this.batchSize = batchSize; + } + + @Override + public Iterator<E> iterator() { + + Iterator<E> iterator = new FindAllIterator<E, E>( + this, + getEntityClass(), + batchSize, + "FROM " + getTopiaEntityEnum().getImplementationFQN()); + + return iterator; + } + /** * Retourne l'id de l'entity * @@ -592,12 +635,14 @@ + " n'a pas de cle primaire naturelle"); } + @Override public boolean existsByQuery(String hql, Object... params) throws TopiaException { long count = countByQuery(hql, params); return count > 0; } + @Override public long countByQuery(String hql, Object... params) throws TopiaException { @@ -607,11 +652,13 @@ return findByQuery(Long.class, hql, params); } + @Override public E findByQuery(String hql, Object... params) throws TopiaException { return findByQuery(getEntityClass(), hql, params); } + @Override public <R> R findByQuery(Class<R> type, String hql, Object... params) throws TopiaException { @@ -625,12 +672,14 @@ return (R) unique; } + @Override public List<E> findAllByQuery(String hql, Object... params) throws TopiaException { return findAllByQuery(getEntityClass(), hql, params); } + @Override public <R> List<R> findAllByQuery(Class<R> type, String hql, Object... params) throws TopiaException { @@ -642,20 +691,75 @@ return result; } - public List<E> findAllByQueryWithBound(String hql, - int startIndex, - int endIndex, - Object... params) throws TopiaException { + @Override + public Iterable<E> findAllLazyByQuery(String hql, + Object... params) throws TopiaException { + return findAllLazyByQuery(batchSize, hql, params); + } + @Override + public <R> Iterable<R> findAllLazyByQuery(Class<R> type, + String hql, + Object... params) throws TopiaException { + return findAllLazyByQuery(type, batchSize, hql, params); + } + + @Override + public Iterable<E> findAllLazyByQuery(int batchSize, + String hql, + Object... params) throws TopiaException { + return findAllLazyByQuery(getEntityClass(), batchSize, hql, params); + } + + @Override + public <R> Iterable<R> findAllLazyByQuery(Class<R> type, + int batchSize, + String hql, + Object... params) throws TopiaException { + + final Iterator<R> iterator = new FindAllIterator<E, R>(this, + type, + batchSize, + hql, + params); + return new Iterable<R>() { + @Override + public Iterator<R> iterator() { + return iterator; + } + }; + } + + @Override + public <R> List<R> findAllByQueryWithBound(Class<R> type, + String hql, + int startIndex, + int endIndex, + Object... params) throws TopiaException { + Preconditions.checkNotNull(type); Preconditions.checkNotNull(hql); - List<E> result = getContext().find(hql, startIndex, endIndex, params); + List<R> result = getContext().find(hql, startIndex, endIndex, params); return result; } - public List<E> findAllByQueryAndPager(String hql, - TopiaFilterPagerUtil.FilterPagerBean pager, - Object... params) throws TopiaException { + @Override + public List<E> findAllByQueryWithBound(String hql, + int startIndex, + int endIndex, + Object... params) throws TopiaException { + return findAllByQueryWithBound(getEntityClass(), + hql, + startIndex, + endIndex, + params); + } + + @Override + public <R> List<R> findAllByQueryAndPager(Class<R> type, + String hql, + TopiaFilterPagerUtil.FilterPagerBean pager, + Object... params) throws TopiaException { Preconditions.checkNotNull(pager); Preconditions.checkNotNull(hql); @@ -665,13 +769,25 @@ hql += " DESC"; } } - List<E> result = findAllByQueryWithBound(hql, + List<R> result = findAllByQueryWithBound(type, hql, pager.getRecordStartIndex(), pager.getRecordEndIndex() - 1, params); return result; } + @Override + public List<E> findAllByQueryAndPager(String hql, + TopiaFilterPagerUtil.FilterPagerBean pager, + Object... params) throws TopiaException { + + return findAllByQueryAndPager(getEntityClass(), + hql, + pager, + params); + } + + @Override public void computeAndAddRecordsToPager(String hql, TopiaFilterPagerUtil.FilterPagerBean pager, Object... params) throws TopiaException { @@ -709,4 +825,82 @@ return meta; } + public static class FindAllIterator<E extends TopiaEntity, R> implements Iterator<R> { + + protected Iterator<R> data; + + protected final TopiaDAO<E> dao; + + protected final Class<R> type; + + protected final String hql; + + protected final Object[] params; + + protected TopiaFilterPagerUtil.FilterPagerBean pager; + + public FindAllIterator(TopiaDAO<E> dao, + Class<R> type, + int batchSize, + String hql, + Object... params) { + this.dao = dao; + this.type = type; + this.hql = hql; + this.params = params; + try { + long count = dao.countByQuery("SELECT COUNT(*) " + hql, params); + pager = TopiaFilterPagerUtil.newFilterPagerBean(); + pager.setRecords((int) count); + pager.setPageSize(batchSize); + TopiaFilterPagerUtil.computeRecordIndexesAndPagesNumber(pager); + } catch (TopiaException e) { + throw new TopiaRuntimeException(e); + } + + // empty iterator (will be changed at first next call) + data = Iterators.emptyIterator(); + } + + @Override + public boolean hasNext() { + return data.hasNext() || // no more data + pager.getPageIndex() < pager.getPagesNumber(); + } + + @Override + public R next() { + if (!hasNext()) { + throw new NoSuchElementException(); + } + + if (!data.hasNext()) { + + // must load iterator + + // increments page index + pager.setPageIndex(pager.getPageIndex() + 1); + TopiaFilterPagerUtil.computeRecordIndexesAndPagesNumber(pager); + + // load new window of data + try { + data = dao.findAllByQueryAndPager(type, + hql, + pager, + params).iterator(); + } catch (TopiaException e) { + throw new TopiaRuntimeException(e); + } + } + + R next = data.next(); + return next; + } + + @Override + public void remove() { + throw new UnsupportedOperationException( + "This iterator does not support remove operation."); + } + } } //TopiaDAOImpl Modified: branches/topia-2.6.x/topia-persistence/src/test/java/org/nuiton/topia/persistence/TopiaDAOTest.java =================================================================== --- branches/topia-2.6.x/topia-persistence/src/test/java/org/nuiton/topia/persistence/TopiaDAOTest.java 2012-08-30 14:44:13 UTC (rev 2654) +++ branches/topia-2.6.x/topia-persistence/src/test/java/org/nuiton/topia/persistence/TopiaDAOTest.java 2012-09-05 15:58:04 UTC (rev 2655) @@ -25,12 +25,15 @@ package org.nuiton.topia.persistence; +import com.google.common.collect.Lists; import org.junit.Assert; +import org.junit.Before; import org.junit.Rule; import org.junit.Test; import org.junit.matchers.JUnitMatchers; import org.nuiton.topia.TopiaContext; import org.nuiton.topia.TopiaDatabase; +import org.nuiton.topia.TopiaException; import org.nuiton.topia.TopiaTestDAOHelper; import org.nuiton.topia.test.entities.Person; import org.nuiton.topia.test.entities.PersonDAO; @@ -51,6 +54,18 @@ @Rule public final TopiaDatabase db = new TopiaDatabase(); + protected TopiaContext context; + + protected PersonDAO dao; + + @Before + public void setup() throws TopiaException { + + context = db.beginTransaction(); + + dao = TopiaTestDAOHelper.getPersonDAO(context); + } + /** * Test de creer une entité et de verifier qu'elle est * présente dans la persistence au sein de la transaction. @@ -60,30 +75,128 @@ @Test public void testCreateAndFindInTransaction() throws Exception { - TopiaContext context = db.beginTransaction(); - - PersonDAO personDAO = TopiaTestDAOHelper.getPersonDAO(context); - // appel 1 find all - Person person = personDAO.create(Person.PROPERTY_NAME, "toto"); - List<Person> allPerson = personDAO.findAll(); + Person person = createPerson("toto"); + List<Person> allPerson = dao.findAll(); Assert.assertEquals(1, allPerson.size()); context.commitTransaction(); // recherce la personne créée dans la même transaction - Person person2 = personDAO.create(Person.PROPERTY_NAME, "titi"); - allPerson = personDAO.findAll(); + Person person2 = createPerson("titi"); + allPerson = dao.findAll(); Assert.assertEquals(2, allPerson.size()); Assert.assertThat(allPerson, JUnitMatchers.hasItem(person2)); context.rollbackTransaction(); // meme test apres roolback - Person person3 = personDAO.create(Person.PROPERTY_NAME, "tata"); - allPerson = personDAO.findAll(); + Person person3 = createPerson("tata"); + allPerson = dao.findAll(); Assert.assertEquals(2, allPerson.size()); Assert.assertThat(allPerson, JUnitMatchers.hasItem(person3)); context.commitTransaction(); } + + @Test + public void findAllLazyByQuery() throws TopiaException { + + Assert.assertEquals(dao.count(), 0); + + createPersons(101); + + Iterable<Person> allByLazy = dao.findAllLazyByQuery( + 100, + "FROM " + dao.getTopiaEntityEnum().getImplementationFQN()); + + List<Person> actual = Lists.newArrayList(); + + for (Person person : allByLazy) { + actual.add(person); + } + Assert.assertEquals(dao.count(), actual.size()); + + allByLazy = dao.findAllLazyByQuery( + 54, + "FROM " + dao.getTopiaEntityEnum().getImplementationFQN()); + + actual = Lists.newArrayList(); + + for (Person person : allByLazy) { + actual.add(person); + } + Assert.assertEquals(dao.count(), actual.size()); + + allByLazy = dao.findAllLazyByQuery( + 49, + "FROM " + dao.getTopiaEntityEnum().getImplementationFQN()); + + actual = Lists.newArrayList(); + + for (Person person : allByLazy) { + actual.add(person); + } + Assert.assertEquals(dao.count(), actual.size()); + + allByLazy = dao.findAllLazyByQuery( + 101, + "FROM " + dao.getTopiaEntityEnum().getImplementationFQN()); + + actual = Lists.newArrayList(); + + for (Person person : allByLazy) { + actual.add(person); + } + Assert.assertEquals(dao.count(), actual.size()); + + allByLazy = dao.findAllLazyByQuery( + 102, + "FROM " + dao.getTopiaEntityEnum().getImplementationFQN()); + + actual = Lists.newArrayList(); + + for (Person person : allByLazy) { + actual.add(person); + } + Assert.assertEquals(dao.count(), actual.size()); + } + + @Test + public void iterateOnTopiaDAO() throws TopiaException { + + createPersons(1999); + + List<Person> excepted = dao.findAll(); + + List<Person> actual = Lists.newArrayList(); + + for (Person person : dao) { + Assert.assertThat(excepted, JUnitMatchers.hasItem(person)); + actual.add(person); + } + Assert.assertEquals(excepted.size(), actual.size()); + + dao.setBatchSize(54); + + actual = Lists.newArrayList(); + + for (Person person : dao) { + Assert.assertThat(excepted, JUnitMatchers.hasItem(person)); + actual.add(person); + } + Assert.assertEquals(excepted.size(), actual.size()); + + } + + protected void createPersons(int number) throws TopiaException { + for (int i = 0; i < number; i++) { + createPerson("toto" + i); + } + + context.commitTransaction(); + } + + protected Person createPerson(String name) throws TopiaException { + return dao.create(Person.PROPERTY_NAME, name); + } }

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