org.apache.flink.table.codesplit

Class MemberFieldRewriter

java.lang.Object

org.apache.flink.table.codesplit.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 Summary

Constructors

Constructor and Description
MemberFieldRewriter(String code, int maxFieldCount)

Method Summary

Modifier and Type	Method and Description
String	rewrite()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MemberFieldRewriter

public MemberFieldRewriter(String code,
                           int maxFieldCount)

Method Detail

rewrite

public String rewrite()

Specified by:

rewrite in interface CodeRewriter