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src/jdk.incubator.jpackage/share/classes/jdk/incubator/jpackage/internal/RetryExecutor.java

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  36 
  37     RetryExecutor setMaxAttemptsCount(int v) {
  38         attempts = v;
  39         return this;
  40     }
  41 
  42     RetryExecutor setAttemptTimeoutMillis(int v) {
  43         timeoutMillis = v;
  44         return this;
  45     }
  46 
  47     RetryExecutor setExecutorInitializer(Consumer<Executor> v) {
  48         executorInitializer = v;
  49         return this;
  50     }
  51 
  52     void abort() {
  53         aborted = true;
  54     }
  55 




  56     static RetryExecutor retryOnKnownErrorMessage(String v) {
  57         RetryExecutor result = new RetryExecutor();
  58         return result.setExecutorInitializer(exec -> {
  59             exec.setOutputConsumer(output -> {
  60                 if (!output.anyMatch(v::equals)) {
  61                     result.abort();
  62                 }
  63             });
  64         });
  65     }
  66 
  67     void execute(String cmdline[]) throws IOException {
  68         executeLoop(() -> Executor.of(cmdline));
  69     }
  70 
  71     void execute(ProcessBuilder pb) throws IOException {
  72         executeLoop(() -> Executor.of(pb));
  73     }
  74 
  75     private void executeLoop(Supplier<Executor> execSupplier) throws IOException {
  76         aborted = false;

  77         for (;;) {
  78             try {




  79                 Executor exec = execSupplier.get();
  80                 if (executorInitializer != null) {
  81                     executorInitializer.accept(exec);
  82                 }
  83                 exec.executeExpectSuccess();
  84                 break;
  85             } catch (IOException ex) {
  86                 if (aborted || (--attempts) <= 0) {
  87                     throw ex;
  88                 }
  89             }
  90 
  91             try {
  92                 Thread.sleep(timeoutMillis);
  93             } catch (InterruptedException ex) {
  94                 Log.verbose(ex);
  95                 throw new RuntimeException(ex);
  96             }
  97         }
  98     }
  99 
 100     private Consumer<Executor> executorInitializer;
 101     private boolean aborted;

 102     private int attempts;
 103     private int timeoutMillis;
 104 }


  36 
  37     RetryExecutor setMaxAttemptsCount(int v) {
  38         attempts = v;
  39         return this;
  40     }
  41 
  42     RetryExecutor setAttemptTimeoutMillis(int v) {
  43         timeoutMillis = v;
  44         return this;
  45     }
  46 
  47     RetryExecutor setExecutorInitializer(Consumer<Executor> v) {
  48         executorInitializer = v;
  49         return this;
  50     }
  51 
  52     void abort() {
  53         aborted = true;
  54     }
  55 
  56     void stop() {
  57         stop = true;
  58     }
  59 
  60     static RetryExecutor retryOnKnownErrorMessage(String v) {
  61         RetryExecutor result = new RetryExecutor();
  62         return result.setExecutorInitializer(exec -> {
  63             exec.setOutputConsumer(output -> {
  64                 if (!output.anyMatch(v::equals)) {
  65                     result.abort();
  66                 }
  67             });
  68         });
  69     }
  70 
  71     void execute(String cmdline[]) throws IOException {
  72         executeLoop(() -> Executor.of(cmdline));
  73     }
  74 
  75     void execute(ProcessBuilder pb) throws IOException {
  76         executeLoop(() -> Executor.of(pb));
  77     }
  78 
  79     private void executeLoop(Supplier<Executor> execSupplier) throws IOException {
  80         aborted = false;
  81         stop = false;
  82         for (;;) {
  83             try {
  84                 if (stop) {
  85                     break;
  86                 }
  87 
  88                 Executor exec = execSupplier.get();
  89                 if (executorInitializer != null) {
  90                     executorInitializer.accept(exec);
  91                 }
  92                 exec.executeExpectSuccess();
  93                 break;
  94             } catch (IOException ex) {
  95                 if (aborted || (--attempts) <= 0) {
  96                     throw ex;
  97                 }
  98             }
  99 
 100             try {
 101                 Thread.sleep(timeoutMillis);
 102             } catch (InterruptedException ex) {
 103                 Log.verbose(ex);
 104                 throw new RuntimeException(ex);
 105             }
 106         }
 107     }
 108 
 109     private Consumer<Executor> executorInitializer;
 110     private boolean aborted;
 111     private boolean stop;
 112     private int attempts;
 113     private int timeoutMillis;
 114 }
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