org.springframework.data.util.Optionals Java Examples

The following examples show how to use org.springframework.data.util.Optionals. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: DefaultQueryHints.java    From specification-with-projection with MIT License 5 votes vote down vote up
private Map<String, Object> getFetchGraphs() {

		return Optionals
				.mapIfAllPresent(entityManager, metadata.getEntityGraph(),
						(em, graph) -> Jpa21Utils.tryGetFetchGraphHints(em, getEntityGraph(graph), information.getJavaType()))
				.orElse(Collections.emptyMap());
	}
 
Example #2
Source File: InventoryOrderEventListener.java    From salespoint with Apache License 2.0 5 votes vote down vote up
private Stream<UniqueInventoryItem> updateStockFor(OrderLine orderLine) {

		var productIdentifier = orderLine.getProductIdentifier();
		var item = uniqueInventory.findByProductIdentifier(productIdentifier)
				.map(it -> it.increaseQuantity(orderLine.getQuantity()));

		if (!item.isPresent() && inventory.findByProductIdentifier(productIdentifier).isEmpty()) {
			throw new IllegalArgumentException(
					String.format("Couldn't find InventoryItem for product %s!", productIdentifier));
		}

		return Optionals.toStream(item);
	}
 
Example #3
Source File: AnnotationAuditingMetadata.java    From spring-data-mybatis with Apache License 2.0 4 votes vote down vote up
/**
 * Returns whether the {@link Class} represented in this instance is auditable or not.
 */
public boolean isAuditable() {
	return Optionals.isAnyPresent(createdByField, createdDateField,
			lastModifiedByField, lastModifiedDateField);
}