How to use

toMessageProto

method

in

org.apache.beam.runners.core.construction.WindowingStrategyTranslation

private static byte[] serializeWindowingStrategy(WindowingStrategy<?, ?> windowingStrategy) {
 try {
  SdkComponents sdkComponents = SdkComponents.create();
  sdkComponents.registerEnvironment(Environments.JAVA_SDK_HARNESS_ENVIRONMENT);
  return WindowingStrategyTranslation.toMessageProto(windowingStrategy, sdkComponents)
    .toByteArray();
 } catch (Exception e) {
  throw new RuntimeException(
    String.format("Unable to format windowing strategy %s as bytes", windowingStrategy), e);
 }
}

@Test
public void testToProtoAndBack() throws Exception {
 WindowingStrategy<?, ?> windowingStrategy = toProtoAndBackSpec.getWindowingStrategy();
 SdkComponents components = SdkComponents.create();
 components.registerEnvironment(Environments.createDockerEnvironment("java"));
 WindowingStrategy<?, ?> toProtoAndBackWindowingStrategy =
   WindowingStrategyTranslation.fromProto(
     WindowingStrategyTranslation.toMessageProto(windowingStrategy, components));
 assertThat(
   toProtoAndBackWindowingStrategy,
   equalTo((WindowingStrategy) windowingStrategy.fixDefaults()));
}