initial add of EbeanORM server based on v2.8.1

src/main/java/com/avaje/ebeaninternal/api/LoadContext.java

@@ -0,0 +1,79 @@
+/**
+ * Copyright (C) 2009 Authors
+ * 
+ * This file is part of Ebean.
+ * 
+ * Ebean is free software; you can redistribute it and/or modify it 
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ *  
+ * Ebean is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Ebean; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA  
+ */
+package com.avaje.ebeaninternal.api;
+
+import com.avaje.ebean.bean.BeanCollection;
+import com.avaje.ebean.bean.EntityBeanIntercept;
+import com.avaje.ebean.bean.ObjectGraphNode;
+import com.avaje.ebean.bean.PersistenceContext;
+import com.avaje.ebeaninternal.server.core.OrmQueryRequest;
+
+/**
+ * Controls the loading of reference objects for a query instance.
+ */
+public interface LoadContext {
+
+    /**
+     * Return the minimum batch size when using QueryIterator with query joins.
+     */
+    public int getSecondaryQueriesMinBatchSize(OrmQueryRequest<?> parentRequest, int defaultQueryBatch);
+
+	/**
+	 * Execute any secondary (+query) queries if there are any defined.
+	 * @param parentRequest the originating query request
+	 */
+	public void executeSecondaryQueries(OrmQueryRequest<?> parentRequest, int defaultQueryBatch);
+
+	/**
+	 * Register any secondary queries (+query or +lazy) with their
+	 * appropriate LoadBeanContext or LoadManyContext.
+	 * <p>
+	 * This is so the LoadBeanContext or LoadManyContext use the 
+	 * defined query for +query and +lazy execution.
+	 * </p>
+	 */
+	public void registerSecondaryQueries(SpiQuery<?> query);
+	
+	/**
+	 * Return the node for a given path which is used by autofetch profiling.
+	 */
+	public ObjectGraphNode getObjectGraphNode(String path);
+
+	/**
+	 * Return the persistence context used by this query and future lazy loading.
+	 */
+	public PersistenceContext getPersistenceContext();
+
+	/**
+	 * Set the persistence context used by this query and future lazy loading.
+	 */
+	public void setPersistenceContext(PersistenceContext persistenceContext);
+
+	/**
+	 * Register a Bean for lazy loading.
+	 */
+	public void register(String path, EntityBeanIntercept ebi);
+
+	/**
+	 * Register a collection for lazy loading.
+	 */
+	public void register(String path, BeanCollection<?> bc);
+
+}