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1   package org.neo4j.driver.projection;
2   
3   /**
4    * Factory that generate {@link Projection}.
5    */
6   public class Projections {
7   
8       /**
9        * Create a <code>type</code> projection for a query result with only one column.
10       */
11      public static <T> Projection<T> singleAs(Class<T> type) {
12          return new ProjectionClassSingle<T>(type);
13      }
14  
15      /**
16       * Create a <code>type</code> projection for a query result with only one column that is a list.
17       * This was created because a list of class is not a class.
18       * SO to call this method you have to pass the parameter like this <code>new ArrayList<Movie>(){}.getClass()</code>.
19       */
20      public static ProjectionListSingle singleAsListOf(Class type) {
21          return new ProjectionListSingle(type.getGenericSuperclass());
22      }
23  
24      /**
25       * Create a simple <code>type</code> projection.
26       */
27      public static <T> Projection<T> as(Class<T> type) {
28          return new ProjectionClass<T>(type);
29      }
30  
31  }