Package org.apache.flink.table.codesplit

Class MemberFieldRewriter

  • All Implemented Interfaces:
    CodeRewriter
    @Internal
public class MemberFieldRewriter
extends Object
implements CodeRewriter
    Group member variables with the same type into arrays to reduce the number of members.

    Before 

    
 public class Example {
     int a;
     long b;
     int c = 1;
     long d = 2;
     public void myFun() {
         System.out.println(a + b + c + d);
     }
 }

    After 

    
 public class Example {
     int[] rewrite$0 = new int[2];
     long[] rewrite$1 = new long[2];
     {
         rewrite$0[1] = 1;
         rewrite$1[1] = 2;
     }
     public void myFun() {
         System.out.println(rewrite$0[0] + rewrite$1[0] + rewrite$0[1] + rewrite$1[1]);
     }
 }

    • Constructor Detail

      • MemberFieldRewriter

        public MemberFieldRewriter​(String code,
                           int maxFieldCount)