org.apache.commons.javaflow.examples.cancel.Execution.java Source code

Java tutorial

Introduction

Here is the source code for org.apache.commons.javaflow.examples.cancel.Execution.java

Source

package org.apache.commons.javaflow.examples.cancel;

import java.util.Arrays;

import org.apache.commons.javaflow.api.Continuation;
import org.apache.commons.javaflow.api.continuable;

public class Execution implements Runnable {

    @Override
    public @continuable void run() {
        final Object[] array = new String[] { "A", "C", "B" };
        try {
            int i = 1;
            System.out.println("Before suspend");
            Continuation.suspend("XYZ");
            System.out.println("After suspend #" + (i++) + ", should not mutate!!!");
            Continuation.cancel();
            // The line below will never be called -- 
            // first we are canceling continuation
            // then we are destroying it
            array[1] = "CHANGED";
        } finally {
            // This will be called only after cc.destroy() from outer code
            System.out.println("Finally is called, array value is " + Arrays.asList(array));
        }
    }
}