Package co.cask.cdap.api.flow.flowlet

Examples of co.cask.cdap.api.flow.flowlet.FailurePolicy

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      @Override
      public void onFailure(Object inputObject, InputContext inputContext, FailureReason reason,
                            InputAcknowledger inputAcknowledger) {

        LOG.warn("Process failure: {}, {}, input: {}", flowletContext, reason.getMessage(), input, reason.getCause());
        FailurePolicy failurePolicy;
        try {
          flowletContext.getProgramMetrics().increment("process.errors", 1);
          failurePolicy = txCallback.onFailure(inputObject, inputContext, reason);
          if (failurePolicy == null) {
            failurePolicy = FailurePolicy.RETRY;
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  private Callback createCallback(Flowlet flowlet, FlowletSpecification flowletSpec) {
    if (flowlet instanceof Callback) {
      return (Callback) flowlet;
    }
    final FailurePolicy failurePolicy = flowletSpec.getFailurePolicy();
    return new Callback() {
      @Override
      public void onSuccess(Object input, InputContext inputContext) {
        // No-op
      }
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    JsonObject jsonObj = json.getAsJsonObject();

    String className = jsonObj.get("className").getAsString();
    String name = jsonObj.get("name").getAsString();
    String description = jsonObj.get("description").getAsString();
    FailurePolicy policy = FailurePolicy.valueOf(jsonObj.get("failurePolicy").getAsString());
    Set<String> dataSets = deserializeSet(jsonObj.get("datasets"), context, String.class);
    Map<String, String> properties = deserializeMap(jsonObj.get("properties"), context, String.class);
    ResourceSpecification resources = context.deserialize(jsonObj.get("resources"),
                                                          new TypeToken<ResourceSpecification>() { }.getType());
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Related Classes of co.cask.cdap.api.flow.flowlet.FailurePolicy

  • co.cask.cdap.internal.app.FlowletSpecificationCodec
  • co.cask.cdap.internal.app.runtime.flow.FlowletProcessDriver
  • co.cask.cdap.internal.app.runtime.flow.FlowletProgramRunner
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