程序包org.apache.hadoop.metrics2的分层结构

程序包分层结构:

• 所有程序包

类分层结构

• java.lang.Object
  • org.apache.hadoop.metrics2.Metric
    • org.apache.hadoop.metrics2.MetricCounter<T>
    • org.apache.hadoop.metrics2.MetricGauge<T>
  • org.apache.hadoop.metrics2.MetricsFilter (implements org.apache.hadoop.metrics2.MetricsPlugin)
  • org.apache.hadoop.metrics2.MetricsRecordBuilder
  • org.apache.hadoop.metrics2.MetricsSystem.AbstractCallback (implements org.apache.hadoop.metrics2.MetricsSystem.Callback)
  • org.apache.hadoop.metrics2.MetricsTag
  • java.lang.Throwable (implements java.io.Serializable)
    • java.lang.Exception
      • java.lang.RuntimeException
        • org.apache.hadoop.metrics2.MetricsException

接口分层结构

• org.apache.hadoop.metrics2.MetricsBuilder
• org.apache.hadoop.metrics2.MetricsPlugin
  • org.apache.hadoop.metrics2.MetricsSink
• org.apache.hadoop.metrics2.MetricsRecord
• org.apache.hadoop.metrics2.MetricsSource
• org.apache.hadoop.metrics2.MetricsSystem.Callback
• org.apache.hadoop.metrics2.MetricsSystemMXBean
  • org.apache.hadoop.metrics2.MetricsSystem
• org.apache.hadoop.metrics2.MetricsVisitor