#595 - Refactor - persistence context root type handling

src/main/java/com/avaje/ebeaninternal/server/deploy/AssocOneHelpEmbedded.java

@@ -0,0 +1,69 @@
+package com.avaje.ebeaninternal.server.deploy;
+
+import com.avaje.ebean.bean.EntityBean;
+import com.avaje.ebeaninternal.server.query.SqlJoinType;
+
+import java.sql.SQLException;
+
+/**
+ * Helper for Embedded BeanPropertyAssocOne.
+ */
+final class AssocOneHelpEmbedded extends AssocOneHelp {
+
+  private BeanPropertyAssocOne beanPropertyAssocOne;
+
+  public AssocOneHelpEmbedded(BeanPropertyAssocOne beanPropertyAssocOne) {
+    this.beanPropertyAssocOne = beanPropertyAssocOne;
+  }
+
+  void loadIgnore(DbReadContext ctx) {
+    for (int i = 0; i < beanPropertyAssocOne.embeddedProps.length; i++) {
+      beanPropertyAssocOne.embeddedProps[i].loadIgnore(ctx);
+    }
+  }
+
+  @Override
+  Object readSet(DbReadContext ctx, EntityBean bean) throws SQLException {
+    Object dbVal = read(ctx);
+    if (bean != null) {
+      // set back to the parent bean
+      beanPropertyAssocOne.setValue(bean, dbVal);
+      ctx.propagateState(dbVal);
+      return dbVal;
+
+    } else {
+      return null;
+    }
+  }
+
+  @Override
+  Object read(DbReadContext ctx) throws SQLException {
+
+    EntityBean embeddedBean = beanPropertyAssocOne.targetDescriptor.createEntityBean();
+
+    boolean notNull = false;
+    for (int i = 0; i < beanPropertyAssocOne.embeddedProps.length; i++) {
+      Object value = beanPropertyAssocOne.embeddedProps[i].readSet(ctx, embeddedBean);
+      if (value != null) {
+        notNull = true;
+      }
+    }
+    if (notNull) {
+      ctx.propagateState(embeddedBean);
+      return embeddedBean;
+    } else {
+      return null;
+    }
+  }
+
+  @Override
+  void appendFrom(DbSqlContext ctx, SqlJoinType joinType) {
+  }
+
+  @Override
+  void appendSelect(DbSqlContext ctx, boolean subQuery) {
+    for (int i = 0; i < beanPropertyAssocOne.embeddedProps.length; i++) {
+      beanPropertyAssocOne.embeddedProps[i].appendSelect(ctx, subQuery);
+    }
+  }
+}