They are in the example only checking the first field when overriding the
equals. And hashCode always returns 1.
Op wo 22 mrt 2023 om 13:06 schreef Prigoreanu, Alexandru <
prigoreanu.alexan...@anteash.com>:
> hashCode and equals should depend on the same fields.
>
> On Wed, Mar 22, 2023 at 8:02 AM Humphrey Lopez <hmmlo...@gmail.com> wrote:
>
>> Hello, when having a key which equals another key, when trying to
>> retrieve from cache it does not return the expected value. Is this a bug?
>>
>> I have a reproducible below in kotlin but in java we get the same result
>> (test with Ignite 2.10 and 2.14) and java 11 and 19.
>>
>>
>> import org.apache.ignite.Ignition
>> import org.apache.ignite.configuration.CacheConfiguration
>> import org.assertj.core.api.SoftAssertions
>> import org.junit.jupiter.api.Test
>>
>> class MyTest {
>>
>> private val key1 = MyKey("ABC", "DEF")
>> private val key2 = MyKey("ABC", "xxx")
>>
>> @Test
>> fun testEquals() {
>> SoftAssertions.assertSoftly {
>> it.assertThat(key1).isEqualTo(key2)
>> it.assertThat(key1 == key2).isTrue
>> }
>> }
>>
>> @Test
>> fun testWithMap() {
>> val map = mapOf(Pair(key1, "key1"))
>>
>> SoftAssertions.assertSoftly {
>> it.assertThat(map.containsKey(key1)).isTrue
>> it.assertThat(map.containsKey(key2)).isTrue
>> }
>>
>> }
>>
>> @Test
>> fun testWithIgnite() {
>> val ignite = Ignition.start();
>> val cache = ignite.createCache(CacheConfiguration<MyKey,
>> String>("mycache"))
>>
>> cache.put(key1, "key1")
>> SoftAssertions.assertSoftly {
>> it.assertThat(cache.containsKey(key1)).isTrue
>> it.assertThat(cache.containsKey(key2)).isTrue
>> }
>> }
>>
>> private data class MyKey(val id: String, val type: String) {
>> override fun equals(other: Any?): Boolean {
>> if (other is MyKey)
>> return id == other.id
>> return false
>> }
>>
>> override fun hashCode(): Int {
>> return 1
>> }
>> }
>> }
>>
>>
