Examples with DataMapMerger org.apache.cayenne.dbsync.merge.DataMapMerger used on opensource projects

Example 1 with DataMapMerger

use of org.apache.cayenne.dbsync.merge.DataMapMerger in project cayenne by apache.

the class MergerOptions method prepareMigrator.

/**
 * check database and create the {@link List} of {@link MergerToken}s
 */
protected void prepareMigrator() {
    try {
        adapter = connectionInfo.makeAdapter(getApplication().getClassLoadingService());
        MergerTokenFactory mergerTokenFactory = mergerTokenFactoryProvider.get(adapter);
        tokens.setMergerTokenFactory(mergerTokenFactory);
        FiltersConfig filters = FiltersConfig.create(defaultCatalog, defaultSchema, TableFilter.everything(), PatternFilter.INCLUDE_NOTHING);
        DataMapMerger merger = DataMapMerger.builder(mergerTokenFactory).filters(filters).build();
        DbLoaderConfiguration config = new DbLoaderConfiguration();
        config.setFiltersConfig(filters);
        DataSource dataSource = connectionInfo.makeDataSource(getApplication().getClassLoadingService());
        DataMap dbImport;
        try (Connection conn = dataSource.getConnection()) {
            dbImport = new DbLoader(adapter, conn, config, new LoggingDbLoaderDelegate(LoggerFactory.getLogger(DbLoader.class)), new DefaultObjectNameGenerator(NoStemStemmer.getInstance())).load();
        } catch (SQLException e) {
            throw new CayenneRuntimeException("Can't doLoad dataMap from db.", e);
        }
        tokens.setTokens(merger.createMergeTokens(dataMap, dbImport));
    } catch (Exception ex) {
        reportError("Error loading adapter", ex);
    }
}