Examples with MetaKey io.crnk.meta.model.MetaKey used on opensource projects

Example 1 with MetaKey

use of io.crnk.meta.model.MetaKey in project crnk-framework by crnk-project.

the class TSMetaDataObjectTransformation method generateResourceFields.

private static void generateResourceFields(TSMetaTransformationContext context, TSInterfaceType interfaceType, MetaDataObject meta) {
    TSInterfaceType attributesType = new TSInterfaceType();
    attributesType.setName(ATTRIBUTES_CLASS_NAME);
    attributesType.setExported(true);
    TSInterfaceType relationshipsType = new TSInterfaceType();
    relationshipsType.setName(RELATIONSHIPS_CLASS_NAME);
    relationshipsType.setExported(true);
    TSIndexSignature relationshipsIndexSignature = new TSIndexSignature();
    relationshipsIndexSignature.setKeyType(TSPrimitiveType.STRING);
    relationshipsIndexSignature.setValueType(NgrxJsonApiLibrary.RESOURCE_RELATIONSHIP);
    relationshipsIndexSignature.setParent(relationshipsType);
    relationshipsType.setIndexSignature(relationshipsIndexSignature);
    // TODO remo: interface support
    MetaKey primaryKey = meta.getPrimaryKey();
    for (MetaAttribute attr : meta.getDeclaredAttributes()) {
        if (primaryKey != null && primaryKey.getUniqueElement().equals(attr)) {
            continue;
        }
        generateResourceField(attr, context, interfaceType, attributesType, relationshipsType);
    }
    if (!isEmpty(relationshipsType)) {
        TSModule module = TypescriptUtils.getNestedTypeContainer(interfaceType, true);
        module.getElements().add(relationshipsType);
        relationshipsType.setParent(module);
        TSField relationshipsField = new TSField();
        relationshipsField.setName("relationships");
        relationshipsField.setType(relationshipsType);
        relationshipsField.setNullable(true);
        interfaceType.getDeclaredMembers().add(relationshipsField);
    }
    if (!isEmpty(attributesType)) {
        TSModule module = TypescriptUtils.getNestedTypeContainer(interfaceType, true);
        module.getElements().add(attributesType);
        attributesType.setParent(module);
        TSField attributesField = new TSField();
        attributesField.setName("attributes");
        attributesField.setType(attributesType);
        attributesField.setNullable(true);
        interfaceType.getDeclaredMembers().add(attributesField);
    }
}

Example 2 with MetaKey

use of io.crnk.meta.model.MetaKey in project crnk-framework by crnk-project.

the class JpaResourceInformationProvider method accept.

@Override
public boolean accept(Class<?> resourceClass) {
    // needs to be configured for being exposed
    if (resourceClass.getAnnotation(JpaResource.class) != null) {
        return true;
    }
    if (JpaMetaUtils.isJpaType(resourceClass)) {
        // needs to be an entity
        MetaElement meta = metaProvider.discoverMeta(resourceClass);
        if (meta instanceof MetaEntity) {
            MetaEntity metaEntity = (MetaEntity) meta;
            MetaKey primaryKey = metaEntity.getPrimaryKey();
            return primaryKey != null && primaryKey.getElements().size() == 1;
        } else {
            // note that DTOs cannot be handled here
            return meta instanceof MetaJpaDataObject;
        }
    }
    return false;
}

Example 3 with MetaKey

use of io.crnk.meta.model.MetaKey in project crnk-framework by crnk-project.

the class MetaRelationshipRepositoryImplTest method findOneTargetReturnsNull.

@Test
public void findOneTargetReturnsNull() {
    MetaResource resource = resourceProvider.getMeta(Task.class);
    resource.setPrimaryKey(null);
    MetaKey key = (MetaKey) repo.findOneTarget(resource.getId(), "primaryKey", new QuerySpec(MetaElement.class));
    Assert.assertNull(key);
}

Example 4 with MetaKey

use of io.crnk.meta.model.MetaKey in project crnk-framework by crnk-project.

the class JpaRepositoryUtils method getPrimaryKeyAttr.

/**
 * @param meta of the entity
 * @return Gets the primary key attribute of the given entity. Assumes a
 * primary key is available and no compound primary keys are
 * supported.
 */
public static MetaAttribute getPrimaryKeyAttr(MetaDataObject meta) {
    MetaKey primaryKey = meta.getPrimaryKey();
    PreconditionUtil.assertNotNull("no primary key", primaryKey);
    PreconditionUtil.assertEquals("non-compound primary key expected", 1, primaryKey.getElements().size());
    return primaryKey.getElements().get(0);
}

Example 5 with MetaKey

use of io.crnk.meta.model.MetaKey in project crnk-framework by crnk-project.

the class QuerydslQueryBackend method getParentIdExpression.

private Expression<Object> getParentIdExpression(MetaDataObject parentMeta, MetaAttribute parentAttr) {
    MetaKey primaryKey = parentMeta.getPrimaryKey();
    PreconditionUtil.assertNotNull("no primary key specified for parentAttribute " + parentAttr.getId(), parentMeta);
    List<MetaAttribute> elements = primaryKey.getElements();
    PreconditionUtil.assertEquals("composite primary keys not supported yet", 1, elements.size());
    MetaAttribute primaryKeyAttr = elements.get(0);
    return QuerydslUtils.get(parentFrom, primaryKeyAttr.getName());
}