Refactor internals of batch lazy loading and query fetches

src/main/java/com/avaje/ebeaninternal/server/expression/FilterExprPath.java

@@ -5,38 +5,36 @@ import java.io.Serializable;
 /**
  * This is the path prefix for filterMany.
  * <p>
- * The actual path can change due to FetchConfig query joins that proceed
- * the query that includes the filterMany.
+ * The actual path can change due to FetchConfig query joins that proceed the
+ * query that includes the filterMany.
  * </p>
- * 
- * @author rbygrave
  */
 public class FilterExprPath implements Serializable {
 
-    private static final long serialVersionUID = -6420905565372842018L;
-    
-    /**
-     * The path of the filterMany.
-     */
-    private String path;
-    
-    public FilterExprPath(String path){
-        this.path = path;
-    }
-    
-    /**
-     * Trim off leading part of the path due to a 
-     * proceeding (earlier) query join etc.
-     */
-    public void trimPath(int prefixTrim) {
-        path = path.substring(prefixTrim);
-    }
+  private static final long serialVersionUID = -6420905565372842018L;
 
-    /**
-     * Return the path. This is a prefix used in the filterMany expressions.
-     */
-    public String getPath() {
-        return path;
-    }
+  /**
+   * The path of the filterMany.
+   */
+  private String path;
+
+  public FilterExprPath(String path) {
+    this.path = path;
+  }
+
+  /**
+   * Return a copy of the FilterExprPath trimming off leading part of the path
+   * due to a proceeding (earlier) query join etc.
+   */
+  public FilterExprPath trimPath(int prefixTrim) {
+    return new FilterExprPath(path.substring(prefixTrim));
+  }
+
+  /**
+   * Return the path. This is a prefix used in the filterMany expressions.
+   */
+  public String getPath() {
+    return path;
+  }
 
 }