#919 - io.ebean package initial

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

@@ -0,0 +1,33 @@
+package io.ebeaninternal.server.deploy;
+
+import io.ebeaninternal.server.query.SqlJoinType;
+
+/**
+ * Helper for BeanPropertyAssocOne for OneToOne exported reference - not so common.
+ */
+class AssocOneHelpRefExported extends AssocOneHelp {
+
+  public AssocOneHelpRefExported(BeanPropertyAssocOne<?> property) {
+    super(property);
+  }
+
+  /**
+   * Append columns for foreign key columns.
+   */
+  @Override
+  void appendSelect(DbSqlContext ctx, boolean subQuery) {
+
+    // set appropriate tableAlias for the exported id columns
+    String relativePrefix = ctx.getRelativePrefix(property.getName());
+    ctx.pushTableAlias(relativePrefix);
+    property.targetIdBinder.appendSelect(ctx, subQuery);
+    ctx.popTableAlias();
+  }
+
+  @Override
+  void appendFrom(DbSqlContext ctx, SqlJoinType joinType) {
+
+    String relativePrefix = ctx.getRelativePrefix(property.getName());
+    property.tableJoin.addJoin(joinType, relativePrefix, ctx);
+  }
+}