Package org.apache.flink.table.codesplit

Class DeclarationRewriter

java.lang.Object
org.apache.flink.table.codesplit.DeclarationRewriter
All Implemented Interfaces:
CodeRewriter
@Internal public class DeclarationRewriter extends Object implements CodeRewriter
Extract and rename local variables into member variables.

This rewriter only deals with functions without return values. Functions with return values should have been converted by ReturnValueRewriter.

Before 


 public class Example {
     public void myFun1(int[] arr) {
         int a = 1;
         for (int b : arr) {
             System.out.println(b);
         }
     }
     public void myFun2() {
         int a = 2;
     }
 }

After 


 public class Example {
     int a;
     int local$0;
     int local$1;
     public void myFun1(int[] arr) {
         a = 1;
         for (int b : arr) {
             local$0 = b;
             System.out.println(local$0);
         }
     }
     public void myFun2() {
         local$1 = 2;
     }
 }

  • Constructor Details

    • DeclarationRewriter

      public DeclarationRewriter(String code, int maxMethodLength)

  • Method Details