#115 - Mapping - Add support for @ElementCollection enhancement

Add simple Map support with Json

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

@@ -0,0 +1,68 @@
+package org.tests.model.elementcollection;
+
+import javax.persistence.Column;
+import javax.persistence.ElementCollection;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.MapKeyColumn;
+import javax.persistence.Version;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+@Entity
+public class EcmPerson {
+
+  @Id
+  long id;
+
+  String name;
+
+  @ElementCollection
+  @MapKeyColumn(name = "type", length = 4)
+  @Column(name = "number", length = 10)
+  Map<String, String> phoneNumbers = new LinkedHashMap<>();
+
+  @Version
+  long version;
+
+  public EcmPerson(String name) {
+    this.name = name;
+  }
+
+  @Override
+  public String toString() {
+    return "person id:" + id + " name:" + name + " phs:" + phoneNumbers;
+  }
+
+  public long getId() {
+    return id;
+  }
+
+  public void setId(long id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public Map<String, String> getPhoneNumbers() {
+    return phoneNumbers;
+  }
+
+  public void setPhoneNumbers(Map<String, String> phoneNumbers) {
+    this.phoneNumbers = phoneNumbers;
+  }
+
+  public long getVersion() {
+    return version;
+  }
+
+  public void setVersion(long version) {
+    this.version = version;
+  }
+}

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

@@ -0,0 +1,63 @@
+package org.tests.model.elementcollection;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TestElementCollectionBasicMap extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    EcmPerson person = new EcmPerson("Fiona021");
+    person.getPhoneNumbers().put("home","021 1234");
+    person.getPhoneNumbers().put("work","021 4321");
+    Ebean.save(person);
+
+
+    EcmPerson person1 = new EcmPerson("Fiona09");
+    person1.getPhoneNumbers().put("home","09 1234");
+    person1.getPhoneNumbers().put("work","09 4321");
+    person1.getPhoneNumbers().put("mob","09 9876");
+    Ebean.save(person1);
+
+    List<EcmPerson> found =
+      Ebean.find(EcmPerson.class).where()
+        .startsWith("name", "Fiona0")
+        .order().asc("id")
+        .findList();
+
+    Map<String,String> phoneNumbers0 = found.get(0).getPhoneNumbers();
+    Map<String,String> phoneNumbers1 = found.get(1).getPhoneNumbers();
+    phoneNumbers0.size();
+
+    assertThat(phoneNumbers0).containsValues("021 1234", "021 4321");
+    assertThat(phoneNumbers0.get("work")).isEqualTo("021 4321");
+    assertThat(phoneNumbers1).containsValues("09 1234", "09 4321", "09 9876");
+    assertThat(phoneNumbers1.get("mob")).isEqualTo("09 9876");
+
+
+    List<EcmPerson> found2 =
+      Ebean.find(EcmPerson.class)
+        .fetch("phoneNumbers")
+        .where()
+        .startsWith("name", "Fiona0")
+        .order().asc("id")
+        .findList();
+
+    assertThat(found2).hasSize(2);
+    EcmPerson foundFirst = found2.get(0);
+    String asJson = Ebean.json().toJson(foundFirst);
+
+    EcmPerson fromJson = Ebean.json().toBean(EcmPerson.class, asJson);
+
+    assertThat(fromJson.getPhoneNumbers()).containsValues("021 1234", "021 4321");
+    assertThat(fromJson.getPhoneNumbers().get("home")).isEqualTo("021 1234");
+
+  }
+}