Package com.mapr.org.apache.hadoop.metrics.spi

Class MetricsRecordImpl

java.lang.Object
com.mapr.org.apache.hadoop.metrics.spi.MetricsRecordImpl
All Implemented Interfaces:
MetricsRecord
@Public @Evolving public class MetricsRecordImpl extends Object implements MetricsRecord
An implementation of MetricsRecord. Keeps a back-pointer to the context from which it was created, and delegates back to it on update and remove().

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
    protected
    MetricsRecordImpl(String recordName, AbstractMetricsContext context)
    Creates a new instance of FileRecord

  • Method Summary

    Modifier and Type
    Method
    Description
    OutputRecord
    createOutputRecord()
     
    String
    getRecordName()
    Returns the record name.
    Set<String>
    getTagNames()
     
    void
    incrMetric(String metricName, byte metricValue)
    Increments the named metric by the specified value.
    void
    incrMetric(String metricName, float metricValue)
    Increments the named metric by the specified value.
    void
    incrMetric(String metricName, int metricValue)
    Increments the named metric by the specified value.
    void
    incrMetric(String metricName, long metricValue)
    Increments the named metric by the specified value.
    void
    incrMetric(String metricName, short metricValue)
    Increments the named metric by the specified value.
    void
    remove()
    Removes the row, if it exists, in the buffered data table having tags that equal the tags that have been set on this record.
    void
    removeTag(String tagName)
    Removes any tag of the specified name.
    void
    setMetric(String metricName, byte metricValue)
    Sets the named metric to the specified value.
    void
    setMetric(String metricName, float metricValue)
    Sets the named metric to the specified value.
    void
    setMetric(String metricName, int metricValue)
    Sets the named metric to the specified value.
    void
    setMetric(String metricName, long metricValue)
    Sets the named metric to the specified value.
    void
    setMetric(String metricName, short metricValue)
    Sets the named metric to the specified value.
    void
    setTag(String tagName, byte tagValue)
    Sets the named tag to the specified value.
    void
    setTag(String tagName, int tagValue)
    Sets the named tag to the specified value.
    void
    setTag(String tagName, long tagValue)
    Sets the named tag to the specified value.
    void
    setTag(String tagName, short tagValue)
    Sets the named tag to the specified value.
    void
    setTag(String tagName, String tagValue)
    Sets the named tag to the specified value.
    void
    update()
    Updates the table of buffered data which is to be sent periodically.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

  • Method Details

    • getRecordName

      public String getRecordName()
      Returns the record name.
      Specified by:
      getRecordName in interface MetricsRecord
      Returns:
      the record name

    • setTag

      public void setTag(String tagName, String tagValue)
      Sets the named tag to the specified value.
      Specified by:
      setTag in interface MetricsRecord
      Parameters:
      tagName - name of the tag
      tagValue - new value of the tag
      Throws:
      MetricsException - if the tagName conflicts with the configuration

    • setTag

      public void setTag(String tagName, int tagValue)
      Sets the named tag to the specified value.
      Specified by:
      setTag in interface MetricsRecord
      Parameters:
      tagName - name of the tag
      tagValue - new value of the tag
      Throws:
      MetricsException - if the tagName conflicts with the configuration

    • setTag

      public void setTag(String tagName, long tagValue)
      Sets the named tag to the specified value.
      Specified by:
      setTag in interface MetricsRecord
      Parameters:
      tagName - name of the tag
      tagValue - new value of the tag
      Throws:
      MetricsException - if the tagName conflicts with the configuration

    • setTag

      public void setTag(String tagName, short tagValue)
      Sets the named tag to the specified value.
      Specified by:
      setTag in interface MetricsRecord
      Parameters:
      tagName - name of the tag
      tagValue - new value of the tag
      Throws:
      MetricsException - if the tagName conflicts with the configuration

    • setTag

      public void setTag(String tagName, byte tagValue)
      Sets the named tag to the specified value.
      Specified by:
      setTag in interface MetricsRecord
      Parameters:
      tagName - name of the tag
      tagValue - new value of the tag
      Throws:
      MetricsException - if the tagName conflicts with the configuration

    • removeTag

      public void removeTag(String tagName)
      Removes any tag of the specified name.
      Specified by:
      removeTag in interface MetricsRecord
      Parameters:
      tagName - name of a tag

    • setMetric

      public void setMetric(String metricName, int metricValue)
      Sets the named metric to the specified value.
      Specified by:
      setMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - new value of the metric
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • setMetric

      public void setMetric(String metricName, long metricValue)
      Sets the named metric to the specified value.
      Specified by:
      setMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - new value of the metric
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • setMetric

      public void setMetric(String metricName, short metricValue)
      Sets the named metric to the specified value.
      Specified by:
      setMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - new value of the metric
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • setMetric

      public void setMetric(String metricName, byte metricValue)
      Sets the named metric to the specified value.
      Specified by:
      setMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - new value of the metric
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • setMetric

      public void setMetric(String metricName, float metricValue)
      Sets the named metric to the specified value.
      Specified by:
      setMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - new value of the metric
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • incrMetric

      public void incrMetric(String metricName, int metricValue)
      Increments the named metric by the specified value.
      Specified by:
      incrMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - incremental value
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • incrMetric

      public void incrMetric(String metricName, long metricValue)
      Increments the named metric by the specified value.
      Specified by:
      incrMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - incremental value
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • incrMetric

      public void incrMetric(String metricName, short metricValue)
      Increments the named metric by the specified value.
      Specified by:
      incrMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - incremental value
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • incrMetric

      public void incrMetric(String metricName, byte metricValue)
      Increments the named metric by the specified value.
      Specified by:
      incrMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - incremental value
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • incrMetric

      public void incrMetric(String metricName, float metricValue)
      Increments the named metric by the specified value.
      Specified by:
      incrMetric in interface MetricsRecord
      Parameters:
      metricName - name of the metric
      metricValue - incremental value
      Throws:
      MetricsException - if the metricName or the type of the metricValue conflicts with the configuration

    • update

      public void update()
      Updates the table of buffered data which is to be sent periodically. If the tag values match an existing row, that row is updated; otherwise, a new row is added.
      Specified by:
      update in interface MetricsRecord

    • remove

      public void remove()
      Removes the row, if it exists, in the buffered data table having tags that equal the tags that have been set on this record.
      Specified by:
      remove in interface MetricsRecord

    • getTagNames

      public Set<String> getTagNames()

    • createOutputRecord

      public OutputRecord createOutputRecord()