org.apache.jmeter.testelement.property

## Class NullProperty

- java.lang.Object
- - org.apache.jmeter.testelement.property.AbstractProperty
  - - org.apache.jmeter.testelement.property.NullProperty

- All Implemented Interfaces:
    Serializable, Cloneable, Comparable<JMeterProperty>, JMeterProperty

      public final class NullProperty
      extends AbstractProperty

  A null property.
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from class org.apache.jmeter.testelement.property.AbstractProperty

      `log`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `NullProperty()`
    `NullProperty(String name)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `NullProperty` | `clone()`
    `boolean` | `getBooleanValue()` Returns false if string is invalid or null.
    `double` | `getDoubleValue()` Returns 0 if string is invalid or null.
    `float` | `getFloatValue()` Returns 0 if string is invalid or null.
    `int` | `getIntValue()` Returns 0 if string is invalid or null.
    `long` | `getLongValue()` Returns 0 if string is invalid or null.
    `Object` | `getObjectValue()`
    `String` | `getStringValue()`
    `boolean` | `isRunningVersion()` Returns whether the property is a running version.
    `void` | `mergeIn(JMeterProperty prop)` Take the given property object and merge it's value with the current property object.
    `void` | `recoverRunningVersion(TestElement owner)` Tell the property to revert to the state at the time setRunningVersion(true) was called.
    `void` | `setObjectValue(Object v)`

    - ### Methods inherited from class org.apache.jmeter.testelement.property.AbstractProperty

      `compareTo, convertObject, createProperty, equals, getBlankProperty, getBlankProperty, getIterator, getName, getPropertyType, hashCode, isEqualType, makeProperty, normalizeList, normalizeMap, setName, setRunningVersion, toString`

    - ### Methods inherited from class java.lang.Object

      `finalize, getClass, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### NullProperty

          public NullProperty(String name)

    - #### NullProperty

          public NullProperty()

  - ### Method Detail

    - #### getStringValue

          public String getStringValue()

      See Also:
        `JMeterProperty.getStringValue()`

    - #### setObjectValue

          public void setObjectValue(Object v)

    - #### getObjectValue

          public Object getObjectValue()

      See Also:
        `JMeterProperty.getObjectValue()`

    - #### isRunningVersion

          public boolean isRunningVersion()

      Description copied from class: `AbstractProperty`
      Returns whether the property is a running version.
      Specified by:
        `isRunningVersion` in interface `JMeterProperty`
      Overrides:
        `isRunningVersion` in class `AbstractProperty`
      Returns:
        flag whether this property is a running version
      See Also:
        `JMeterProperty.isRunningVersion()`

    - #### mergeIn

          public void mergeIn(JMeterProperty prop)

      Description copied from class: `AbstractProperty`
      Take the given property object and merge it's value with the current property object. For most property types, this will simply be ignored. But for collection properties and test element properties, more complex behavior is required.
      Specified by:
        `mergeIn` in interface `JMeterProperty`
      Overrides:
        `mergeIn` in class `AbstractProperty`
      Parameters:
        `prop` - the property object to merge into this property
      See Also:
        `JMeterProperty.mergeIn(JMeterProperty)`

    - #### clone

          public NullProperty clone()

      Description copied from class: `AbstractProperty`
      Specified by:
        `clone` in interface `JMeterProperty`
      Overrides:
        `clone` in class `AbstractProperty`

    - #### getBooleanValue

          public boolean getBooleanValue()

      Description copied from class: `AbstractProperty`
      Returns false if string is invalid or null.
      Specified by:
        `getBooleanValue` in interface `JMeterProperty`
      Overrides:
        `getBooleanValue` in class `AbstractProperty`
      See Also:
        `JMeterProperty.getBooleanValue()`

    - #### getDoubleValue

          public double getDoubleValue()

      Description copied from class: `AbstractProperty`
      Returns 0 if string is invalid or null.
      Specified by:
        `getDoubleValue` in interface `JMeterProperty`
      Overrides:
        `getDoubleValue` in class `AbstractProperty`
      See Also:
        `JMeterProperty.getDoubleValue()`

    - #### getFloatValue

          public float getFloatValue()

      Description copied from class: `AbstractProperty`
      Returns 0 if string is invalid or null.
      Specified by:
        `getFloatValue` in interface `JMeterProperty`
      Overrides:
        `getFloatValue` in class `AbstractProperty`
      See Also:
        `JMeterProperty.getFloatValue()`

    - #### getIntValue

          public int getIntValue()

      Description copied from class: `AbstractProperty`
      Returns 0 if string is invalid or null.
      Specified by:
        `getIntValue` in interface `JMeterProperty`
      Overrides:
        `getIntValue` in class `AbstractProperty`
      See Also:
        `JMeterProperty.getIntValue()`

    - #### getLongValue

          public long getLongValue()

      Description copied from class: `AbstractProperty`
      Returns 0 if string is invalid or null.
      Specified by:
        `getLongValue` in interface `JMeterProperty`
      Overrides:
        `getLongValue` in class `AbstractProperty`
      See Also:
        `JMeterProperty.getLongValue()`

    - #### recoverRunningVersion

          public void recoverRunningVersion(TestElement owner)

      Description copied from interface: `JMeterProperty`
      Tell the property to revert to the state at the time setRunningVersion(true) was called.
      Parameters:
        `owner` - the owning element
      See Also:
        `JMeterProperty.recoverRunningVersion(TestElement)`

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