[IGNITE-14742] Store array component type in binary object

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.13
• Labels: important
• Release Note: Implemented array component type in binary object
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Nikolay Izhikov
• Reporter: Nikolay Izhikov
• Created: 19/May/21 11:37
• Updated: 29/Mar/22 11:55
• Resolved: 06/Dec/21 13:29

Description

Currently, an array of custom objects can't be retrieved from the cache

public class BinaryObjectTest extends GridCommonAbstractTest {
    /** */
    @Test
    public void testArray() throws Exception {
        Ignite ign = startGrid();

        IgniteCache<Integer, TestClass1[]> cache = ign.createCache("my-cache");

        cache.put(1, new TestClass1[] {new TestClass1(), new TestClass1()});
        TestClass1[] obj = cache.get(1);

        assertEquals(TestClass1[].class, obj.getClass());
    }
}

The fix should preserve backward compatibility.

Issue Links

• is duplicated by: IGNITE-12314 Unexpected return type in case of retrieving Byte[]{1,2,3} from cache value.
• relates to: IGNITE-14299 .NET: Service loses array type information
• links to: Dev List Discussion (PonyMail)
• links to: dev-list discussion
• links to: GitHub Pull Request #9490