#115 - Mapping - Add support for @ElementCollection enhancement

Add element collection L2 cache support

src/test/java/org/tests/model/elementcollection/TestElementCollectionEmbeddedMapCache.java

@@ -0,0 +1,89 @@
+package org.tests.model.elementcollection;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.ebeantest.LoggedSqlCollector;
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestElementCollectionEmbeddedMapCache extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    EcbmPerson person = new EcbmPerson("Cache1");
+    person.getPhoneNumbers().put("home", new EcPhone("64", "021", "1234"));
+    person.getPhoneNumbers().put("work", new EcPhone("64", "021", "4321"));
+    Ebean.save(person);
+
+
+    EcbmPerson one = Ebean.find(EcbmPerson.class)
+      .setId(person.getId())
+      .fetch("phoneNumbers")
+      .findOne();
+
+    LoggedSqlCollector.start();
+
+    one.getPhoneNumbers().size();
+
+    List<String> sql = LoggedSqlCollector.current();
+    assertThat(sql).isEmpty();
+
+    EcbmPerson two = Ebean.find(EcbmPerson.class)
+      .setId(person.getId())
+      .findOne();
+
+    two.getPhoneNumbers().size();
+    assertThat(two.getPhoneNumbers().toString()).contains("64-021-1234", "64-021-4321");
+
+    sql = LoggedSqlCollector.current();
+    assertThat(sql).isEmpty(); // cache hit
+
+    two.getPhoneNumbers().put("mob", new EcPhone("61", "07", "11"));
+    two.getPhoneNumbers().remove("home");
+
+    Ebean.save(two);
+
+    sql = LoggedSqlCollector.current();
+    assertThat(sql).hasSize(2); // update of collection only
+    assertThat(sql.get(0)).contains("delete from ecbm_person_phone_numbers where person_id=?");
+    assertThat(sql.get(1)).contains("insert into ecbm_person_phone_numbers (person_id,mkey,country_code,area,number) values (?,?,?,?,?)");
+
+    EcbmPerson three = Ebean.find(EcbmPerson.class)
+      .setId(person.getId())
+      .findOne();
+
+    assertThat(three.getPhoneNumbers().toString()).contains("61-07-11", "64-021-4321");
+    assertThat(three.getPhoneNumbers()).hasSize(2);
+
+    sql = LoggedSqlCollector.current();
+    assertThat(sql).isEmpty(); // cache hit
+
+
+    three.setName("mod-3");
+    three.getPhoneNumbers().remove("work");
+
+    Ebean.save(three);
+
+    sql = LoggedSqlCollector.current();
+    assertThat(sql).hasSize(3);
+
+    EcbmPerson four = Ebean.find(EcbmPerson.class)
+      .setId(person.getId())
+      .findOne();
+
+    assertThat(four.getPhoneNumbers().toString()).contains("61-07-11");
+    assertThat(four.getPhoneNumbers()).hasSize(1);
+
+
+    Ebean.delete(four);
+    sql = LoggedSqlCollector.current();
+    assertThat(sql).hasSize(2);
+
+
+    LoggedSqlCollector.stop();
+  }
+}