#115 - Mapping - Add support for @ElementCollection enhancement

Initial support - add simple Set support and Json support for simple List and Set.

src/main/java/io/ebeaninternal/server/deploy/BeanPropertySimpleCollection.java

@@ -1,6 +1,12 @@
 package io.ebeaninternal.server.deploy;
 
+import io.ebean.PersistenceIOException;
+import io.ebean.bean.EntityBean;
 import io.ebeaninternal.server.deploy.meta.DeployBeanPropertySimpleCollection;
+import io.ebeaninternal.server.text.json.ReadJson;
+import io.ebeaninternal.server.text.json.SpiJsonWriter;
+
+import java.io.IOException;
 
 public class BeanPropertySimpleCollection<T> extends BeanPropertyAssocMany<T> {
 
@@ -27,4 +33,25 @@ public class BeanPropertySimpleCollection<T> extends BeanPropertyAssocMany<T> {
       targetDescriptor = descriptor.getBeanDescriptor(targetType);
     }
   }
+
+  /**
+   * Json write scalar value.
+   */
+  @Override
+  public void jsonWriteValue(SpiJsonWriter writeJson, Object value) {
+    try {
+      scalarType.jsonWrite(writeJson.gen(), value);
+    } catch (IOException e) {
+      throw new PersistenceIOException(e);
+    }
+  }
+
+  public void jsonWriteElementValue(SpiJsonWriter ctx, Object element) {
+    elementDescriptor.jsonWriteElement(ctx, element);
+  }
+
+  @Override
+  public Object jsonReadCollection(ReadJson readJson, EntityBean parentBean) throws IOException {
+    return elementDescriptor.jsonReadCollection(readJson, parentBean);
+  }
 }