org.apache.tinkerpop.gremlin.process.traversal.util

## Class DefaultTraversalMetrics

- java.lang.Object
- - org.apache.tinkerpop.gremlin.process.traversal.util.DefaultTraversalMetrics

- All Implemented Interfaces:
    Serializable, TraversalMetrics

      public final class DefaultTraversalMetrics
      extends Object
      implements TraversalMetrics, Serializable

  Default implementation for `TraversalMetrics` that aggregates `ImmutableMetrics` instances from a `Traversal`.
  Author:
    Bob Briody (http://bobbriody.com), Marko A. Rodriguez (http://markorodriguez.com), Stephen Mallette (http://stephen.genoprime.com)
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from interface org.apache.tinkerpop.gremlin.process.traversal.util.TraversalMetrics

      `ELEMENT_COUNT_ID, PERCENT_DURATION_KEY, TRAVERSER_COUNT_ID`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `DefaultTraversalMetrics()`
    `DefaultTraversalMetrics(long totalStepDurationNs, List<MutableMetrics> orderedMetrics)` This is only a convenient constructor needed for GraphSON deserialization.

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `getDuration(TimeUnit unit)` Get the total duration taken by the Traversal.
    `Collection<ImmutableMetrics>` | `getMetrics()` Gets all the metrics.
    `Metrics` | `getMetrics(int index)` Get an individual Metrics object by the index of the profiled Step.
    `Metrics` | `getMetrics(String id)` Get an individual Metrics object by the id of the profiled Step.
    `boolean` | `isFinalized()` The metrics have been computed and can no longer be modified.
    `void` | `setMetrics(Traversal.Admin traversal, boolean onGraphComputer)` Extracts metrics from the provided `traversal` and computes metrics.
    `String` | `toString()`

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

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### DefaultTraversalMetrics

          public DefaultTraversalMetrics()

    - #### DefaultTraversalMetrics

          public DefaultTraversalMetrics(long totalStepDurationNs,
                                         List<MutableMetrics> orderedMetrics)

      This is only a convenient constructor needed for GraphSON deserialization.

  - ### Method Detail

    - #### getDuration

          public long getDuration(TimeUnit unit)

      Description copied from interface: `TraversalMetrics`
      Get the total duration taken by the Traversal.
      Specified by:
        `getDuration` in interface `TraversalMetrics`
      Returns:
        total duration taken by the Traversal.

    - #### getMetrics

          public Metrics getMetrics(int index)

      Description copied from interface: `TraversalMetrics`
      Get an individual Metrics object by the index of the profiled Step.
      Specified by:
        `getMetrics` in interface `TraversalMetrics`
      Returns:
        an individual Metrics object.

    - #### getMetrics

          public Metrics getMetrics(String id)

      Description copied from interface: `TraversalMetrics`
      Get an individual Metrics object by the id of the profiled Step.
      Specified by:
        `getMetrics` in interface `TraversalMetrics`
      Returns:
        an individual Metrics object.

    - #### getMetrics

          public Collection<ImmutableMetrics> getMetrics()

      Description copied from interface: `TraversalMetrics`
      Gets all the metrics.
      Specified by:
        `getMetrics` in interface `TraversalMetrics`

    - #### isFinalized

          public boolean isFinalized()

      The metrics have been computed and can no longer be modified.

    - #### toString

          public String toString()

      Overrides:
        `toString` in class `Object`

    - #### setMetrics

          public void setMetrics(Traversal.Admin traversal,
                                 boolean onGraphComputer)

      Extracts metrics from the provided `traversal` and computes metrics. Calling this method finalizes the metrics such that their values can no longer be modified.

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