Hi,
To collocate A and B with C you need to introduce custom key classes
for A and B that will include @AffinityKeyMapped annotation on a C's ID
field.
An example of how to implement such a key could be found here
https://apacheignite.readme.io/docs/affinity-collocation#section-collocate-data-with-data
For example, for A you should have something like
public class AKey {
/** A's ID. */
private Long id;
/** C's ID to collocate to. */
@AffinityKeyMapped
private Long cId;
...
}
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