Refactor internals of batch lazy loading and query fetches

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

@@ -0,0 +1,30 @@
+package com.avaje.ebeaninternal.api;
+
+import java.util.List;
+
+import com.avaje.ebean.bean.BeanCollection;
+import com.avaje.ebean.bean.ObjectGraphNode;
+import com.avaje.ebean.bean.PersistenceContext;
+import com.avaje.ebeaninternal.server.deploy.BeanDescriptor;
+import com.avaje.ebeaninternal.server.deploy.BeanPropertyAssocMany;
+
+/**
+ * A buffer of bean collections for batch lazy loading and secondary query loading.
+ */
+public interface LoadManyBuffer {
+
+  public List<BeanCollection<?>> getBatch();
+  
+  public BeanPropertyAssocMany<?> getBeanProperty();
+
+  public ObjectGraphNode getObjectGraphNode();
+
+  public BeanDescriptor<?> getBeanDescriptor();
+
+  public PersistenceContext getPersistenceContext();
+
+  public String getFullPath();
+
+  public void configureQuery(SpiQuery<?> query);
+
+}