Package org.apache.nifi.processors.standard

Class GenerateFlowFile

java.lang.Object
org.apache.nifi.components.AbstractConfigurableComponent
org.apache.nifi.processor.AbstractSessionFactoryProcessor
org.apache.nifi.processor.AbstractProcessor
org.apache.nifi.processors.standard.GenerateFlowFile
All Implemented Interfaces:
org.apache.nifi.components.ConfigurableComponent, org.apache.nifi.processor.Processor
@SupportsBatching @Tags({"test","random","generate","load"}) @InputRequirement(INPUT_FORBIDDEN) @CapabilityDescription("This processor creates FlowFiles with random data or custom content. GenerateFlowFile is useful for load testing, configuration, and simulation. Also see DuplicateFlowFile for additional load testing.") @DynamicProperty(name="Generated FlowFile attribute name", value="Generated FlowFile attribute value", expressionLanguageScope=ENVIRONMENT, description="Specifies an attribute on generated FlowFiles defined by the Dynamic Property\'s key and value. If Expression Language is used, evaluation will be performed only once per batch of generated FlowFiles.") @WritesAttributes(@WritesAttribute(attribute="mime.type",description="Sets the MIME type of the output if the \'Mime Type\' property is set")) @DefaultSchedule(strategy=TIMER_DRIVEN, period="1 min") public class GenerateFlowFile extends org.apache.nifi.processor.AbstractProcessor

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final org.apache.nifi.components.PropertyDescriptor
    BATCH_SIZE
     
    static final org.apache.nifi.components.PropertyDescriptor
    CHARSET
     
    static final org.apache.nifi.components.PropertyDescriptor
    CUSTOM_TEXT
     
    private final AtomicReference<byte[]>
    data
     
    static final org.apache.nifi.components.PropertyDescriptor
    DATA_FORMAT
     
    static final String
    DATA_FORMAT_BINARY
     
    static final String
    DATA_FORMAT_TEXT
     
    static final org.apache.nifi.components.PropertyDescriptor
    FILE_SIZE
     
    static final org.apache.nifi.components.PropertyDescriptor
    MIME_TYPE
     
    private static final List<org.apache.nifi.components.PropertyDescriptor>
    PROPERTIES
     
    private static final Set<org.apache.nifi.processor.Relationship>
    RELATIONSHIPS
     
    static final org.apache.nifi.processor.Relationship
    SUCCESS
     
    private static final char[]
    TEXT_CHARS
     
    static final org.apache.nifi.components.PropertyDescriptor
    UNIQUE_FLOWFILES
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    GenerateFlowFile()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected Collection<org.apache.nifi.components.ValidationResult>
    customValidate(org.apache.nifi.components.ValidationContext validationContext)
     
    private byte[]
    generateData(org.apache.nifi.processor.ProcessContext context)
     
    Set<org.apache.nifi.processor.Relationship>
    getRelationships()
     
    protected org.apache.nifi.components.PropertyDescriptor
    getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)
     
    protected List<org.apache.nifi.components.PropertyDescriptor>
    getSupportedPropertyDescriptors()
     
    void
    onScheduled(org.apache.nifi.processor.ProcessContext context)
     
    void
    onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session)
     

    Methods inherited from class org.apache.nifi.processor.AbstractProcessor

    onTrigger

    Methods inherited from class org.apache.nifi.processor.AbstractSessionFactoryProcessor

    getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, init, initialize, isConfigurationRestored, isScheduled, toString, updateConfiguredRestoredTrue, updateScheduledFalse, updateScheduledTrue

    Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

    equals, getPropertyDescriptor, getPropertyDescriptors, hashCode, onPropertyModified, validate

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

    getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

    Methods inherited from interface org.apache.nifi.processor.Processor

    isStateful, migrateProperties, migrateRelationships

  • Field Details

    • data

      private final AtomicReference<byte[]> data

    • DATA_FORMAT_BINARY

      public static final String DATA_FORMAT_BINARY
      See Also:

    • DATA_FORMAT_TEXT

      public static final String DATA_FORMAT_TEXT
      See Also:

    • FILE_SIZE

      public static final org.apache.nifi.components.PropertyDescriptor FILE_SIZE

    • BATCH_SIZE

      public static final org.apache.nifi.components.PropertyDescriptor BATCH_SIZE

    • DATA_FORMAT

      public static final org.apache.nifi.components.PropertyDescriptor DATA_FORMAT

    • UNIQUE_FLOWFILES

      public static final org.apache.nifi.components.PropertyDescriptor UNIQUE_FLOWFILES

    • CUSTOM_TEXT

      public static final org.apache.nifi.components.PropertyDescriptor CUSTOM_TEXT

    • CHARSET

      public static final org.apache.nifi.components.PropertyDescriptor CHARSET

    • MIME_TYPE

      public static final org.apache.nifi.components.PropertyDescriptor MIME_TYPE

    • PROPERTIES

      private static final List<org.apache.nifi.components.PropertyDescriptor> PROPERTIES

    • SUCCESS

      public static final org.apache.nifi.processor.Relationship SUCCESS

    • RELATIONSHIPS

      private static final Set<org.apache.nifi.processor.Relationship> RELATIONSHIPS

    • TEXT_CHARS

      private static final char[] TEXT_CHARS

  • Constructor Details

    • GenerateFlowFile

      public GenerateFlowFile()

  • Method Details

    • getSupportedPropertyDescriptors

      protected List<org.apache.nifi.components.PropertyDescriptor> getSupportedPropertyDescriptors()
      Overrides:
      getSupportedPropertyDescriptors in class org.apache.nifi.components.AbstractConfigurableComponent

    • getSupportedDynamicPropertyDescriptor

      protected org.apache.nifi.components.PropertyDescriptor getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)
      Overrides:
      getSupportedDynamicPropertyDescriptor in class org.apache.nifi.components.AbstractConfigurableComponent

    • getRelationships

      public Set<org.apache.nifi.processor.Relationship> getRelationships()
      Specified by:
      getRelationships in interface org.apache.nifi.processor.Processor
      Overrides:
      getRelationships in class org.apache.nifi.processor.AbstractSessionFactoryProcessor

    • onScheduled

      @OnScheduled public void onScheduled(org.apache.nifi.processor.ProcessContext context)

    • customValidate

      protected Collection<org.apache.nifi.components.ValidationResult> customValidate(org.apache.nifi.components.ValidationContext validationContext)
      Overrides:
      customValidate in class org.apache.nifi.components.AbstractConfigurableComponent

    • generateData

      private byte[] generateData(org.apache.nifi.processor.ProcessContext context)

    • onTrigger

      public void onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session)
      Specified by:
      onTrigger in class org.apache.nifi.processor.AbstractProcessor