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Merge pull request #2927 from FOCONIS/findset-beancache

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NEW: BeanCache for findSet
This commit is contained in:
Rob Bygrave
2023-01-09 10:29:15 +13:00
committed by GitHub
parent 28bd018d1f a2e8f098cf
commit 321fb26df3
4 changed files with 98 additions and 3 deletions
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ebean-test/src/test/java/org/tests/cache/TestBeanCache.java
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+75
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@@ -16,6 +16,7 @@ import org.tests.model.basic.OCachedBean;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static org.assertj.core.api.Assertions.assertThat;
@@ -187,6 +188,80 @@ public class TestBeanCache extends BaseTestCase {
}
}
@Test
public void testFindSet() {
List<OCachedBean> beans = createBeans(Arrays.asList("z0", "z1", "z2"));
List<Long> ids = beans.stream().map(OCachedBean::getId).collect(Collectors.toList());
beanCache.clear();
beanCache.statistics(true);
LoggedSql.start();
log.info("All misses (0 of 3) ...");
Set<OCachedBean> set = DB.find(OCachedBean.class)
.where().idIn(ids)
.setUseCache(true)
.findSet();
assertThat(set).hasSize(3);
assertBeanCacheHitMiss(0, 3);
List<String> sql = LoggedSql.collect();
assertThat(sql).hasSize(1);
if (isH2()) {
assertSql(sql.get(0)).contains("from o_cached_bean t0 where t0.id in (?,?,?,?,?)");
}
log.info("All hits (3 of 3) ...");
set = DB.find(OCachedBean.class)
.where().idIn(ids)
.setUseCache(true)
.findSet();
assertBeanCacheHitMiss(3, 0);
assertThat(set).hasSize(3);
sql = LoggedSql.collect();
assertThat(sql).hasSize(0); // no misses
// remove a bean so that we get a "partial" hit (2 out of 3 in cache)
beanCache.remove(beans.get(0).getId().toString());
log.info("Partial hits (2 of 3) ...");
set = DB.find(OCachedBean.class)
.where().idIn(ids)
.setUseCache(true)
.findSet();
assertBeanCacheHitMiss(2, 1);
assertThat(set).hasSize(3);
sql = LoggedSql.collect();
assertThat(sql).hasSize(1);
if (isH2()) {
// fetch the miss from DB
assertSql(sql.get(0)).contains("from o_cached_bean t0 where t0.id in (?)");
}
// remove beans so that we get a "partial" hit (1 out of 3 in cache)
beanCache.remove(beans.get(1).getId().toString());
beanCache.remove(beans.get(2).getId().toString());
log.info("Partial hits (1 of 3) ...");
set = DB.find(OCachedBean.class)
.where().idIn(ids)
.setUseCache(true)
.findSet();
assertBeanCacheHitMiss(1, 2);
assertThat(set).hasSize(3);
sql = LoggedSql.stop();
assertThat(sql).hasSize(1);
if (isH2()) {
// fetch the misses from DB
assertSql(sql.get(0)).contains("from o_cached_bean t0 where t0.id in (?,?,?,?,?)");
}
}
private void assertBeanCacheHitMiss(int hitCount, int missCount) {
ServerCacheStatistics statistics = beanCache.statistics(true);
assertThat(statistics.getHitCount()).isEqualTo(hitCount);