org.apache.jmeter.timers

## Class ConstantTimer

- java.lang.Object
- - org.apache.jmeter.testelement.AbstractTestElement
  - - org.apache.jmeter.timers.ConstantTimer

- All Implemented Interfaces:
    Serializable, Cloneable, LoopIterationListener, Searchable, TestElement, Timer
  Direct Known Subclasses:
    RandomTimer

      public class ConstantTimer
      extends AbstractTestElement
      implements Timer, Serializable, LoopIterationListener

  This class implements a constant timer with its own panel and fields for value update and user interaction.
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `DELAY`

    - ### Fields inherited from interface org.apache.jmeter.testelement.TestElement

      `COMMENTS, ENABLED, GUI_CLASS, NAME, TEST_CLASS`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ConstantTimer()` No-arg constructor.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `delay()` Retrieve the delay to use during test execution.
    `String` | `getDelay()` Get the delay value for display.
    `double` | `getRange()` Retrieve the range (not used for this timer).
    `void` | `iterationStart(LoopIterationEvent event)` Gain access to any variables that have been defined.
    `void` | `setDelay(String delay)` Set the delay for this timer.
    `void` | `setRange(double range)` Set the range (not used for this timer).
    `String` | `toString()` Provide a description of this timer class.

    - ### Methods inherited from class org.apache.jmeter.testelement.AbstractTestElement

      `addPropertiesValues, addProperty, addProperty, addTestElement, canRemove, clear, clearTemporary, clearTestElementChildren, clone, emptyTemporary, equals, getComment, getName, getProperty, getPropertyAsBoolean, getPropertyAsBoolean, getPropertyAsDouble, getPropertyAsFloat, getPropertyAsInt, getPropertyAsInt, getPropertyAsLong, getPropertyAsLong, getPropertyAsString, getPropertyAsString, getSearchableTokens, getThreadContext, getThreadName, hashCode, isEnabled, isRunningVersion, isTemporary, logProperties, mergeIn, propertyIterator, recoverRunningVersion, removeProperty, setComment, setEnabled, setName, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setRunningVersion, setTemporary, setThreadContext, setThreadName, traverse, traverseCollection, traverseMap, traverseProperty`

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

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

    - ### Methods inherited from interface org.apache.jmeter.timers.Timer

      `isModifiable`

    - ### Methods inherited from interface org.apache.jmeter.testelement.TestElement

      `removed`

- - ### Field Detail

    - #### DELAY

          public static final String DELAY

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### ConstantTimer

          public ConstantTimer()

      No-arg constructor.

  - ### Method Detail

    - #### setDelay

          public void setDelay(String delay)

      Set the delay for this timer.
      Parameters:
        `delay` - The delay for this timer

    - #### setRange

          public void setRange(double range)

      Set the range (not used for this timer).
      Parameters:
        `range` - Not used

    - #### getDelay

          public String getDelay()

      Get the delay value for display.
      Returns:
        the delay value for display.

    - #### getRange

          public double getRange()

      Retrieve the range (not used for this timer).
      Returns:
        the range (always zero for this timer).

    - #### delay

          public long delay()

      Retrieve the delay to use during test execution.
      Specified by:
        `delay` in interface `Timer`
      Returns:
        the delay.

    - #### toString

          public String toString()

      Provide a description of this timer class.
      Overrides:
        `toString` in class `Object`
      Returns:
        the description of this timer class.

    - #### iterationStart

          public void iterationStart(LoopIterationEvent event)

      Gain access to any variables that have been defined.
      Specified by:
        `iterationStart` in interface `LoopIterationListener`
      Parameters:
        `event` - the event
      See Also:
        `LoopIterationListener.iterationStart(LoopIterationEvent)`

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