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

Example 11 with BaseMapping

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

the class JavaModule method processPreTargetExecution.

@Override
public void processPreTargetExecution(AtlasInternalSession atlasSession) throws AtlasException {
    if (atlasSession == null || atlasSession.getMapping() == null || atlasSession.getMapping().getMappings() == null || atlasSession.getMapping().getMappings().getMapping() == null) {
        throw new AtlasException("AtlasSession not properly intialized with a mapping that contains field mappings");
    }
    if (javaInspectionService == null) {
        javaInspectionService = new ClassInspectionService();
        javaInspectionService.setConversionService(getConversionService());
    }
    List<BaseMapping> mapping = atlasSession.getMapping().getMappings().getMapping();
    Object rootObject;
    String targetClassName = AtlasUtil.getUriParameterValue(getUri(), "className");
    JavaClass inspectClass = getJavaInspectionService().inspectClass(targetClassName);
    merge(inspectClass, mapping);
    List<String> targetPaths = AtlasModuleSupport.listTargetPaths(mapping);
    try {
        rootObject = getJavaConstructService().constructClass(inspectClass, targetPaths);
    } catch (Exception e) {
        throw new AtlasException(e);
    }
    DocumentJavaFieldWriter writer = new DocumentJavaFieldWriter(getConversionService());
    writer.setRootObject(rootObject);
    writer.setTargetValueConverter(targetValueConverter);
    atlasSession.setFieldWriter(getDocId(), writer);
    if (LOG.isDebugEnabled()) {
        LOG.debug("{}: processPreTargetExcution completed", getDocId());
    }
}

Example 12 with BaseMapping

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

the class JavaModule method merge.

private void merge(JavaClass inspectionClass, List<BaseMapping> mappings) {
    if (inspectionClass == null || inspectionClass.getJavaFields() == null || inspectionClass.getJavaFields().getJavaField() == null) {
        return;
    }
    if (mappings == null || mappings.size() == 0) {
        return;
    }
    for (BaseMapping fm : mappings) {
        if (fm instanceof Mapping && (((Mapping) fm).getOutputField() != null)) {
            Field f = ((Mapping) fm).getOutputField().get(0);
            if (f.getPath() != null) {
                Field inspectField = findFieldByPath(inspectionClass, f.getPath());
                if (inspectField != null && f instanceof JavaField && inspectField instanceof JavaField) {
                    String overrideClassName = ((JavaField) f).getClassName();
                    JavaField javaInspectField = (JavaField) inspectField;
                    // Support mapping overrides className
                    if (overrideClassName != null && !overrideClassName.equals(javaInspectField.getClassName())) {
                        javaInspectField.setClassName(overrideClassName);
                    }
                }
            }
        }
    }
}

Example 13 with BaseMapping

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

the class AtlasServiceTest method testActionDeserialization.

@Test
public void testActionDeserialization() throws Exception {
    File file = new File("src/test/resources/atlasmapping-actions.json");
    AtlasMapping mapping = mapper.readValue(file, AtlasMapping.class);
    Mappings mappings = mapping.getMappings();
    for (BaseMapping baseMapping : mappings.getMapping()) {
        if (MappingType.MAP.equals(baseMapping.getMappingType())) {
            List<Field> fields = ((Mapping) baseMapping).getOutputField();
            for (Field f : fields) {
                if (f.getActions() != null && f.getActions().getActions() != null && !f.getActions().getActions().isEmpty()) {
                    System.out.println("Found actions: " + f.getActions().getActions().size());
                }
            }
        }
    }
}

Example 14 with BaseMapping

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

the class DefaultAtlasContext method extractCollectionMappings.

private List<Mapping> extractCollectionMappings(DefaultAtlasSession session, BaseMapping baseMapping) throws AtlasException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Generating Source Mappings from mapping: {}", baseMapping);
    }
    if (!baseMapping.getMappingType().equals(MappingType.COLLECTION)) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Mapping is not a collection mapping, not cloning: {}", baseMapping);
        }
        return Arrays.asList((Mapping) baseMapping);
    }
    List<Mapping> mappings = new LinkedList<>();
    for (BaseMapping m : ((Collection) baseMapping).getMappings().getMapping()) {
        Mapping mapping = (Mapping) m;
        Field sourceField = mapping.getInputField().get(0);
        boolean sourceIsCollection = AtlasPath.isCollection(sourceField.getPath());
        if (!sourceIsCollection) {
            // just copy it over
            if (LOG.isDebugEnabled()) {
                LOG.debug("Internal mapping's source field is not a collection, not cloning: {}", mapping);
            }
            // output object to be created for our copied firstName value
            for (Field f : mapping.getOutputField()) {
                f.setPath(AtlasPath.overwriteCollectionIndex(f.getPath(), 0));
            }
            mappings.add(mapping);
            continue;
        }
        AtlasModule module = resolveModule(FieldDirection.SOURCE, sourceField);
        int sourceCollectionSize = module.getCollectionSize(session, sourceField);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Internal mapping's source field is a collection. Cloning it for each item ({} clones): {}", sourceCollectionSize, mapping);
        }
        for (int i = 0; i < sourceCollectionSize; i++) {
            Mapping cloneMapping = (Mapping) AtlasModelFactory.cloneMapping(mapping, false);
            for (Field f : mapping.getInputField()) {
                Field clonedField = module.cloneField(f);
                clonedField.setPath(AtlasPath.overwriteCollectionIndex(clonedField.getPath(), i));
                cloneMapping.getInputField().add(clonedField);
            }
            for (Field f : mapping.getOutputField()) {
                Field clonedField = module.cloneField(f);
                if (AtlasPath.isCollection(clonedField.getPath())) {
                    clonedField.setPath(AtlasPath.overwriteCollectionIndex(clonedField.getPath(), i));
                }
                cloneMapping.getOutputField().add(clonedField);
            }
            mappings.add(cloneMapping);
        }
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("Generated {} mappings from mapping: {}", mappings.size(), baseMapping);
    }
    ((Collection) baseMapping).getMappings().getMapping().clear();
    ((Collection) baseMapping).getMappings().getMapping().addAll(mappings);
    return mappings;
}

Example 15 with BaseMapping

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

the class XmlJavaFlatMappingTest method generateXmlJavaFlatMapping.

protected AtlasMapping generateXmlJavaFlatMapping() {
    AtlasMapping atlasMapping = AtlasModelFactory.createAtlasMapping();
    atlasMapping.setName("XmlJavaFlatMapping");
    atlasMapping.getDataSource().add(generateDataSource("atlas:xml?complexType=ns:XmlFlatPrimitiveAttribute", DataSourceType.SOURCE));
    atlasMapping.getDataSource().add(generateDataSource("atlas:java?className=io.atlasmap.java.test.TargetFlatPrimitiveClass", DataSourceType.TARGET));
    List<BaseMapping> mappings = atlasMapping.getMappings().getMapping();
    // Add fieldMappings
    for (String fieldName : FLAT_FIELDS) {
        Mapping mfm = AtlasModelFactory.createMapping(MappingType.MAP);
        mfm.getInputField().add(generateXmlField("/XmlFPA/", fieldName));
        mfm.getOutputField().add(generateJavaField(fieldName));
        mappings.add(mfm);
    }
    return atlasMapping;
}