Package co.cask.cdap.data.dataset

Examples of co.cask.cdap.data.dataset.DatasetCreationSpec

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  public void createDataset(String datasetInstanceName, String typeName, DatasetProperties properties) {
    Preconditions.checkArgument(datasetInstanceName != null, "Dataset instance name cannot be null.");
    Preconditions.checkArgument(typeName != null, "Dataset type name cannot be null.");
    Preconditions.checkArgument(properties != null, "Instance properties name cannot be null.");
    dataSetInstances.put(datasetInstanceName,
                         new DatasetCreationSpec(datasetInstanceName, typeName, properties));
  }
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    Preconditions.checkArgument(datasetInstanceName != null, "Dataset instance name cannot be null.");
    Preconditions.checkArgument(datasetClass != null, "Dataset class name cannot be null.");
    Preconditions.checkArgument(properties != null, "Instance properties name cannot be null.");
    dataSetInstances.put(datasetInstanceName,
                         new DatasetCreationSpec(datasetInstanceName, datasetClass.getName(), properties));
    dataSetModules.put(datasetClass.getName(), datasetClass.getName());
  }
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  public void process(ApplicationSpecLocation input) throws Exception {
    // create dataset instances
    ApplicationSpecification specification = input.getSpecification();
    for (Map.Entry<String, DatasetCreationSpec> instanceEntry : specification.getDatasets().entrySet()) {
      String instanceName = instanceEntry.getKey();
      DatasetCreationSpec instanceSpec = instanceEntry.getValue();
      try {
        if (!datasetFramework.hasInstance(instanceName)) {
          datasetFramework.addInstance(instanceSpec.getTypeName(), instanceName, instanceSpec.getProperties());
        }
      } catch (InstanceConflictException e) {
        // NO-OP: Instance is simply already created, possibly by an older version of this app OR a different app
        // TODO: verify that the created instance is from this app
        LOG.warn("Couldn't create dataset instance '" + instanceName + "' of type '" + instanceSpec.getTypeName(), e);
      }
    }

    // Emit the input to next stage.
    emit(input);
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Related Classes of co.cask.cdap.data.dataset.DatasetCreationSpec

  • co.cask.cdap.app.DefaultAppConfigurer
  • co.cask.cdap.internal.app.deploy.pipeline.CreateDatasetInstancesStage
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