Examples with Constant io.atlasmap.v2.Constant used on opensource projects

Example 1 with Constant

use of io.atlasmap.v2.Constant in project atlasmap by atlasmap.

the class DefaultAtlasContext method init.

/**
 * TODO: For dynamic re-load. This needs lock()
 *
 * @throws AtlasException failed to initialize
 */
protected synchronized void init() throws AtlasException {
    if (this.initialized) {
        return;
    }
    registerJmx(this);
    if (this.atlasMappingUri != null) {
        this.admHandler = new ADMArchiveHandler(factory.getClassLoader());
        this.admHandler.setIgnoreLibrary(true);
        this.admHandler.load(Paths.get(this.atlasMappingUri));
        this.dataSourceMetadataMap = this.admHandler.getDataSourceMetadataMap();
    }
    if (this.admHandler == null || this.admHandler.getMappingDefinition() == null) {
        LOG.warn("AtlasMap context cannot initialize without mapping definition, ignoring:" + " Mapping URI={}", this.atlasMappingUri);
        return;
    }
    sourceModules.clear();
    ConstantModule constant = new ConstantModule();
    constant.setConversionService(factory.getConversionService());
    constant.setFieldActionService(factory.getFieldActionService());
    sourceModules.put(AtlasConstants.CONSTANTS_DOCUMENT_ID, constant);
    PropertyModule property = new PropertyModule(factory.getPropertyStrategy());
    property.setConversionService(factory.getConversionService());
    property.setFieldActionService(factory.getFieldActionService());
    property.setMode(AtlasModuleMode.SOURCE);
    sourceModules.put(AtlasConstants.PROPERTIES_SOURCE_DOCUMENT_ID, property);
    targetModules.clear();
    property = new PropertyModule(factory.getPropertyStrategy());
    property.setConversionService(factory.getConversionService());
    property.setFieldActionService(factory.getFieldActionService());
    property.setMode(AtlasModuleMode.TARGET);
    targetModules.put(AtlasConstants.PROPERTIES_TARGET_DOCUMENT_ID, property);
    lookupTables.clear();
    if (admHandler.getMappingDefinition().getLookupTables() != null && admHandler.getMappingDefinition().getLookupTables().getLookupTable() != null) {
        for (LookupTable table : admHandler.getMappingDefinition().getLookupTables().getLookupTable()) {
            lookupTables.put(table.getName(), table);
        }
    }
    AtlasModuleInfoRegistry moduleInfoRegistry = factory.getModuleInfoRegistry();
    for (DataSource ds : admHandler.getMappingDefinition().getDataSource()) {
        AtlasModuleInfo moduleInfo = moduleInfoRegistry.lookupByUri(ds.getUri());
        if (moduleInfo == null) {
            LOG.error("Cannot find module info for the DataSource uri '{}'", ds.getUri());
            continue;
        }
        if (ds.getDataSourceType() != DataSourceType.SOURCE && ds.getDataSourceType() != DataSourceType.TARGET) {
            LOG.error("Unsupported DataSource type '{}'", ds.getDataSourceType());
            continue;
        }
        String docId = ds.getId();
        if (docId == null || docId.isEmpty()) {
            docId = ds.getDataSourceType() == DataSourceType.SOURCE ? AtlasConstants.DEFAULT_SOURCE_DOCUMENT_ID : AtlasConstants.DEFAULT_TARGET_DOCUMENT_ID;
        }
        if (ds.getDataSourceType() == DataSourceType.SOURCE && sourceModules.containsKey(docId)) {
            LOG.error("Duplicated {} DataSource ID '{}' was detected, ignoring...", ds.getDataSourceType(), ds.getId());
            continue;
        }
        if (ds.getDataSourceType() == DataSourceType.TARGET && targetModules.containsKey(docId)) {
            LOG.error("Duplicated {} DataSource ID '{}' was detected, ignoring...", ds.getDataSourceType(), docId);
            continue;
        }
        try {
            AtlasModule module = moduleInfo.getModuleClass().getDeclaredConstructor().newInstance();
            module.setClassLoader(factory.getClassLoader());
            module.setConversionService(factory.getConversionService());
            module.setFieldActionService(factory.getFieldActionService());
            module.setDataSource(ds);
            if (ds.getDataSourceType() == DataSourceType.SOURCE) {
                getSourceModules().put(docId, module);
            } else if (ds.getDataSourceType() == DataSourceType.TARGET) {
                getTargetModules().put(docId, module);
            }
            if (this.dataSourceMetadataMap != null) {
                DataSourceKey dskey = new DataSourceKey(ds.getDataSourceType() == DataSourceType.SOURCE, docId);
                DataSourceMetadata meta = this.dataSourceMetadataMap.get(dskey);
                if (meta != null) {
                    module.setDataSourceMetadata(meta);
                }
            }
            module.init();
        } catch (Exception t) {
            LOG.error("Unable to initialize {} module: {}", ds.getDataSourceType(), moduleInfo);
            LOG.error(t.getMessage(), t);
            throw new AtlasException(String.format("Unable to initialize %s module: %s", ds.getDataSourceType(), moduleInfo.toString()), t);
        }
    }
    initialized = true;
}

Example 2 with Constant

use of io.atlasmap.v2.Constant in project atlasmap by atlasmap.

the class AtlasField method readConstant.

/**
 * Reads the constant.
 * @param name name
 * @return read field
 * @throws AtlasException unexpected error
 */
public AtlasField readConstant(String name) throws AtlasException {
    ConstantModule module = session.getConstantModule();
    List<Constant> constants = session.getMapping().getConstants().getConstant();
    for (Constant constant : constants) {
        if (constant.getName() != null && constant.getName().equals(name)) {
            Field sourceField = module.createField();
            sourceField.setName(constant.getName());
            sourceField.setFieldType(constant.getFieldType());
            sourceField.setValue(constant.getValue());
            session.head().setSourceField(sourceField);
            module.readSourceValue(session);
            setRawField(sourceField);
            return this;
        }
    }
    throw new AtlasException(String.format("Constant '%s' not found", name));
}

Example 3 with Constant

use of io.atlasmap.v2.Constant in project atlasmap by atlasmap.

the class JsonMarshallerTest method testComplexRequests.

@Test
public void testComplexRequests() throws Exception {
    runJSONSerializationTest(generatePropertyReferenceMapping(), "atlasmapping-property-request.json");
    runJSONSerializationTest(generateConstantMapping(), "atlasmapping-constant-request.json");
    runJSONSerializationTest(generateMultiSourceMapping(), "atlasmapping-multisource-request.json");
    runJSONSerializationTest(generateCollectionMapping(), "atlasmapping-collection-request.json");
    runJSONSerializationTest(generateCombineMapping(), "atlasmapping-combine-request.json");
    runJSONSerializationTest(generateActionMapping(), "atlasmapping-field-action-request.json");
    AtlasMapping action = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-field-action-request.json"), AtlasMapping.class);
    assertNotNull(action);
    validateAtlasMapping(action);
    AtlasMapping collection = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-collection-request.json"), AtlasMapping.class);
    assertNotNull(collection);
    validateCollectionAtlasMapping(collection);
    AtlasMapping multisource = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-multisource-request.json"), AtlasMapping.class);
    assertNotNull(multisource);
    validateMultisourceAtlasMapping(multisource);
    AtlasMapping propertyMapping = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-property-request.json"), AtlasMapping.class);
    assertNotNull(propertyMapping);
    validatePropertyAtlasMapping(propertyMapping);
    AtlasMapping constantMapping = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-constant-request.json"), AtlasMapping.class);
    assertNotNull(constantMapping);
    validateConstantAtlasMapping(constantMapping);
    AtlasMapping combineAtlasMapping = mapper.readValue(new File("target" + File.separator + "junit" + File.separator + testMethodName + File.separator + "atlasmapping-combine-request.json"), AtlasMapping.class);
    assertNotNull(combineAtlasMapping);
    validateCombineAtlasMapping(combineAtlasMapping);
}

Example 4 with Constant

use of io.atlasmap.v2.Constant in project atlasmap by atlasmap.

the class ConstantPropertyTest method test.

@Test
public void test() throws Exception {
    URL url = Thread.currentThread().getContextClassLoader().getResource("mappings/issue/constant-property-mapping.xml");
    AtlasMapping mapping = mappingService.loadMapping(url, AtlasMappingFormat.XML);
    AtlasContext context = DefaultAtlasContextFactory.getInstance().createContext(mapping);
    AtlasSession session = context.createSession();
    context.process(session);
    assertFalse(TestHelper.printAudit(session), session.hasErrors());
    TargetClass output = TargetClass.class.cast(session.getTargetDocument("io.atlasmap.core.issue.TargetClass"));
    assertEquals("testValue", output.getTargetName());
    assertNotEquals("testPath", output.getTargetFirstName());
    assertEquals(777, output.getTargetInteger());
    System.setProperty("testProp", "testProp-sysProp");
    System.setProperty("PATH", "PATH-sysProp");
    context.process(session);
    assertFalse(TestHelper.printAudit(session), session.hasErrors());
    output = TargetClass.class.cast(session.getTargetDocument("io.atlasmap.core.issue.TargetClass"));
    assertEquals("testProp-sysProp", output.getTargetName());
    assertEquals("PATH-sysProp", output.getTargetFirstName());
    assertEquals(777, output.getTargetInteger());
    session.getProperties().put("testProp", "testProp-runtimeProp");
    session.getProperties().put("PATH", "PATH-runtimeProp");
    context.process(session);
    assertFalse(TestHelper.printAudit(session), session.hasErrors());
    output = TargetClass.class.cast(session.getTargetDocument("io.atlasmap.core.issue.TargetClass"));
    assertEquals("testProp-runtimeProp", output.getTargetName());
    assertEquals("PATH-runtimeProp", output.getTargetFirstName());
    assertEquals(777, output.getTargetInteger());
}

Example 5 with Constant

use of io.atlasmap.v2.Constant in project atlasmap by atlasmap.

the class BaseDefaultAtlasContextTest method populateConstant.

protected void populateConstant(String name, String value) {
    Constant c = new Constant();
    c.setName(name);
    c.setValue(value);
    session.getMapping().getConstants().getConstant().add(c);
}