Examples with DataMap org.apache.cayenne.map.DataMap used on opensource projects

Example 21 with DataMap

use of org.apache.cayenne.map.DataMap in project cayenne by apache.

the class DefaultDbImportAction method saveLoaded.

/**
 * Save imported data.
 * This can create DataMap and/or Project files.
 */
protected void saveLoaded(DataMap dataMap, DbImportConfiguration config) throws MalformedURLException {
    ConfigurationTree<ConfigurationNode> projectRoot;
    if (config.getCayenneProject() == null) {
        // Old version of cdbimport, no Cayenne project, need to save only DataMap
        projectRoot = new ConfigurationTree<>(dataMap);
    } else {
        // Cayenne project is present
        DataChannelDescriptor dataChannelDescriptor;
        if (config.getCayenneProject().exists()) {
            // Cayenne project file exists, need to read it and push DataMap inside
            URLResource configurationResource = new URLResource(config.getCayenneProject().toURI().toURL());
            ConfigurationTree<DataChannelDescriptor> configurationTree = dataChannelDescriptorLoader.load(configurationResource);
            if (!configurationTree.getLoadFailures().isEmpty()) {
                throw new CayenneRuntimeException("Unable to load cayenne project %s, %s", config.getCayenneProject(), configurationTree.getLoadFailures().iterator().next().getDescription());
            }
            dataChannelDescriptor = configurationTree.getRootNode();
            // remove old copy of DataMap if it's there
            DataMap oldDataMap = dataChannelDescriptor.getDataMap(dataMap.getName());
            if (oldDataMap != null) {
                dataChannelDescriptor.getDataMaps().remove(oldDataMap);
            }
        } else {
            // No project file yet, can simply create empty project with resulting DataMap
            dataChannelDescriptor = new DataChannelDescriptor();
            dataChannelDescriptor.setName(getProjectNameFromFileName(config.getCayenneProject().getName()));
            dataChannelDescriptor.setConfigurationSource(new URLResource(config.getCayenneProject().toURI().toURL()));
            logger.info("Project file does not exist. New project will be saved into '" + config.getCayenneProject().getAbsolutePath());
        }
        dataChannelDescriptor.getDataMaps().add(dataMap);
        projectRoot = new ConfigurationTree<>(dataChannelDescriptor);
    }
    Project project = new Project(projectRoot);
    projectSaver.save(project);
    logger.info("");
    logger.info("All changes saved.");
}

Example 22 with DataMap

use of org.apache.cayenne.map.DataMap in project cayenne by apache.

the class DefaultDbImportAction method existingTargetMap.

protected DataMap existingTargetMap(DbImportConfiguration configuration) throws IOException {
    File file = configuration.getTargetDataMap();
    if (file != null && file.exists() && file.canRead()) {
        URLResource configurationResource = new URLResource(file.toURI().toURL());
        DataMap dataMap = mapLoader.load(configurationResource);
        dataMap.setNamespace(new EntityResolver(Collections.singleton(dataMap)));
        dataMap.setConfigurationSource(configurationResource);
        return dataMap;
    }
    return null;
}

Example 23 with DataMap

use of org.apache.cayenne.map.DataMap in project cayenne by apache.

the class DataMapMergerTest method testAddRelationship1.

@Test
public void testAddRelationship1() throws Exception {
    DataMap existing = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt(), dbAttr("attr02").typeInt()), dbEntity("table2").attributes(dbAttr("attr01").typeInt().primaryKey(), dbAttr("attr02").typeInt().primaryKey(), dbAttr("attr03").typeInt().primaryKey())).join("rel", "table1.attr01", "table2.attr01").join("rel1", "table1.attr01", "table2.attr03").build();
    DataMap db = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt(), dbAttr("attr02").typeInt()), dbEntity("table2").attributes(dbAttr("attr01").typeInt().primaryKey(), dbAttr("attr02").typeInt().primaryKey(), dbAttr("attr03").typeInt().primaryKey())).join("rel", "table1.attr01", "table2.attr02").join("rel1", "table1.attr01", "table2.attr03").build();
    List<MergerToken> tokens = dbMerger().createMergeTokens(existing, db);
    assertEquals(2, tokens.size());
    DbEntity entity = existing.getDbEntity("table1");
    assertEquals(factory().createDropRelationshipToDb(entity, entity.getRelationship("rel")).getTokenValue(), tokens.get(0).getTokenValue());
    entity = db.getDbEntity("table1");
    assertEquals(factory().createAddRelationshipToDb(entity, entity.getRelationship("rel")).getTokenValue(), tokens.get(0).getTokenValue());
}

Example 24 with DataMap

use of org.apache.cayenne.map.DataMap in project cayenne by apache.

the class DataMapMergerTest method testAddColumn.

@Test
public void testAddColumn() throws Exception {
    DataMap existing = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt(), dbAttr("attr02").typeInt())).build();
    DataMap db = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt())).build();
    List<MergerToken> tokens = dbMerger().createMergeTokens(existing, db);
    assertEquals(1, tokens.size());
    DbEntity entity = existing.getDbEntity("table1");
    assertEquals(factory().createAddColumnToDb(entity, entity.getAttribute("attr02")).getTokenValue(), tokens.get(0).getTokenValue());
}

Example 25 with DataMap

use of org.apache.cayenne.map.DataMap in project cayenne by apache.

the class DataMapMergerTest method testAddPrimaryKey.

@Test
public void testAddPrimaryKey() throws Exception {
    DataMap existing = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt().primaryKey())).build();
    DataMap db = dataMap().with(dbEntity("table1").attributes(dbAttr("attr01").typeInt())).build();
    List<MergerToken> tokens = dbMerger().createMergeTokens(existing, db);
    assertEquals(1, tokens.size());
}