Thank you for the answer! Perhaps maybe we should specify the list of collection implementations and add an example to the documentation? I think it will be helpful.
вт, 14 февр. 2023 г. в 11:24, Николай Ижиков <nizhi...@apache.org>: > > Thanks for your question! Could you please provide doc references where > you found that it should be possible? > > > https://ignite.apache.org/docs/latest/key-value-api/binary-objects#enabling-binary-mode-for-caches > > > The following classes are never converted (e.g., the toBinary(Object) method > returns the original object, and instances of these classes are stored > without changes): > … > > Maps, collections and arrays of objects (but the objects inside them > are reconverted if they are binary) > > > > > 14 февр. 2023 г., в 11:22, Николай Ижиков <nizhikov....@gmail.com> > написал(а): > > Hello. > > The trick here is the following line > > > car.setInspirations(List.of(new Car(), new Car())); > > Ignite serialize as a binary collection only *some* implementation of List > interface. > Others serialized using standard java serialization. > > I rewrite your code and now it’s working as expected: > > ``` > > public class SimpleTest extends GridCommonAbstractTest { > @Test > public void testGetCarInspirationsWithBinaryapi() throws Exception { > Ignite ignite = startGrid(0); > > Car car = new Car(); > car.setName("carname"); > car.setWeight(BigDecimal.ONE); > > List<Car> inspirations = new ArrayList<>(); > > inspirations.add(new Car()); > inspirations.add(new Car()); > > car.setInspirations(inspirations); > > ignite.getOrCreateCache("Sample").put("carname", car); > > IgniteCache<String, BinaryObject> binaryCarCache = > ignite.getOrCreateCache("Sample").withKeepBinary(); > > List<BinaryObject> carInspirations = > binaryCarCache.get("carname").field("inspirations"); > > assertEquals(2, carInspirations.size()); > assertTrue(carInspirations.get(0) instanceof BinaryObject); > > BinaryObject binaryCar = carInspirations.get(0); > > assertNull(binaryCar.field("name")); > } > > public class Car implements Serializable { > private String name; > private List<Car> inspirations; > private BigDecimal weight; > > public String getName() { > return name; > } > > public void setName(String name) { > this.name = name; > } > > public List<Car> getInspirations() { > return inspirations; > } > > public void setInspirations(List<Car> inspirations) { > this.inspirations = inspirations; > } > > public BigDecimal getWeight() { > return weight; > } > > public void setWeight(BigDecimal weight) { > this.weight = weight; > } > } > } > > ``` > > > > 14 февр. 2023 г., в 09:07, Mikhail Pochatkin <m.a.pochat...@gmail.com> > написал(а): > > Hi, Dinakar. > > Thanks for your question! Could you please provide doc references where > you found that it should be possible? > > вт, 14 февр. 2023 г. в 07:18, Dinakar Devineni <dina....@gmail.com>: > >> Hi, >> >> >> >> Appreciate some help, to understand why is this failing and how >> to correct this. >> >> >> >> Trying to read a list of binary objects form a composite data >> structure >> >> Here is the sample code. As per ignite documentation this should >> be possible. >> >> >> >> >> >> @Getter >> >> @Setter >> >> Public class Car implements Serializable { >> >> private String name; >> >> private List<Car> inspirations; >> >> private BigDecimal weight; >> >> } >> >> >> >> >> >> @Test >> >> Public void testGetCarInspirationsWith Binaryapi(){ >> >> >> >> Ignite ignite = Ignition.start(); >> >> >> >> Car car = new Car(); >> >> car.setName(“carname”); >> >> car.setWeight(BigDecimal.ONE); >> >> car.setInspirations(List.of(new Car(), new Car())); >> >> >> >> >> >> ignite.getOrCreateCache(“Sample”).put("carname”, car); >> >> IgniteCache<String, BinaryObject> binaryCarCache = >> ignite.getOrCreateCache(“Sample”).withKeepBinary(); >> >> >> >> // this line is not returning list of binary objects, rather >> returning desrialize objects >> >> List<BinaryObject> carInspirations = >> binaryCache.get(“carname”).field(“inspirations”); >> >> >> >> } >> >> >> >> >> >> Tech >> >> Java 11 >> >> Ignite 2.14 >> >> >> >> >> >> Thanks >> >> D >> >> >> > > > -- > best regards, > Pochatkin Mikhail. > > > > -- best regards, Pochatkin Mikhail.
