Package com.streambase.sb.monitor

Class OperatorInfo

java.lang.Object
com.streambase.sb.monitor.OperatorInfo
All Implemented Interfaces:
Cloneable
public class OperatorInfo extends Object implements Cloneable
Represents information about a single operator in a StreamBase application. Instances of this class should be retrieved from a Snapshot.
See Also:

  • Field Details

    • totalProcessed

      long totalProcessed
      Total number of processed tuples

    • isActive

      boolean isActive
      Is active?

  • Constructor Details

    • OperatorInfo

      public OperatorInfo(String name, String type)
      Constructor
      Parameters:
      name - Operator name
      type - Operator type

  • Method Details

    • extractInfo

      void extractInfo(com.streambase.sb.monitor.StatTuplev3 st)
      Extract operator info from this StatTuple. It's only used by Stats v3.
      Parameters:
      st - stats v3 tuple

    • extractInfo

      void extractInfo(StatTuple st)
      Extract thread info from the StatTuple, setting member data as appropriate.
      Parameters:
      st - Statistics tuple

    • clone

      public Object clone()
      Overrides:
      clone in class Object

    • saveForNextCycle

      void saveForNextCycle()
      Save for next reporting cycle

    • getName

      public String getName()
      Returns the fully qualified name of the operator.
      Returns:
      name of the operator

    • getType

      public String getType()
      Returns the type of the operator. Could return a null value if couldn't determine the type.
      Returns:
      type of the operator, may return null

    • getStatus

      public String getStatus()
      Returns the status of the operator. Most operators do not make use of status strings, in which case this will return an empty string.
      Returns:
      the status of the operator

    • getInputPortCount

      @Deprecated public int getInputPortCount()
      Deprecated.
      no replacement
      Returns the number of input ports on this operator.
      Returns:
      0

    • getOutputPortCount

      @Deprecated public int getOutputPortCount()
      Deprecated.
      no replacement
      Returns the number of output ports on this operator.
      Returns:
      0

    • getInputTuplesEnqueuedDelta

      public int getInputTuplesEnqueuedDelta()
      Returns the number of tuples enqueued on this operator's input streams since the previous Snapshot.
      Returns:
      number of input tuples queued up

    • getInputTuplesDequeuedDelta

      @Deprecated public int getInputTuplesDequeuedDelta()
      Deprecated.
      no replacement
      Returns the number of input tuples consumed by this operator since the previous Snapshot. If this number is less than the number of tuples enqueued to the input stream, then tuples are being queued up faster than the operator can consume them.
      Returns:
      number of input tuples consumed

    • getOutputTuplesEnqueuedDelta

      public int getOutputTuplesEnqueuedDelta()
      Returns the number of output tuples produced by this operator since the previous Snapshot.
      Returns:
      number of output tuples produced

    • getInputTuplesEnqueuedTotal

      @Deprecated public int getInputTuplesEnqueuedTotal()
      Deprecated.
      use getTotalInputTuplesEnqueued() instead
      Returns the total number of input tuples enqueued on this operator's input streams since the StreamBase Server was started.
      Returns:
      number of tuples ever enqueued

    • getInputTuplesDequeuedTotal

      @Deprecated public int getInputTuplesDequeuedTotal()
      Deprecated.
      use getTotalInputTuplesEnqueued() instead
      Returns the total number of input tuples consumed by this operator since the StreamBase Server was started. If this number is less than the number of tuples enqueued to the input stream, then tuples are being queued up faster than the operator can consume them.
      Returns:
      number of input tuples consumed

    • getOutputTuplesEnqueuedTotal

      @Deprecated public int getOutputTuplesEnqueuedTotal()
      Deprecated.
      use getTotalOutputTuplesEnqueued() instead
      Returns the total number of output tuples produced by this operator since the StreamBase Server was started.
      Returns:
      number of output tuples produced

    • getTotalInputTuplesEnqueued

      public long getTotalInputTuplesEnqueued()
      Returns the total number of input tuples enqueued on all of this operator's input streams since the StreamBase Server was started.
      Returns:
      number of tuples ever enqueued
      Since:
      1.4

    • getTotalOutputTuplesEnqueued

      public long getTotalOutputTuplesEnqueued()
      Returns the total number of output tuples produced by this operator since the StreamBase Server was started.
      Returns:
      number of output tuples produced
      Since:
      1.4

    • getInputTuplesEnqueued

      public long[] getInputTuplesEnqueued()
      Returns the number of input tuples enqueued on each of this operator's input streams since the StreamBase Server was started.
      Returns:
      an array of tuple counts stored by port index. The array is truncated after the last non-zero tuple count
      Since:
      1.4

    • getOutputTuplesEnqueued

      public long[] getOutputTuplesEnqueued()
      Returns the number of output tuples produced by this operator from a each output port since the StreamBase Server was started.
      Returns:
      an array of tuple counts stored by port index. The array is truncated after the last non-zero tuple count
      Since:
      1.4

    • getSize

      public int getSize()
      Returns the size the operator. The meaning of "size" varies by operator.
      Returns:
      size of this operator

    • getProfilerHits

      @Deprecated public int getProfilerHits()
      Deprecated.
      Replaced by getProfilerMS(). The number of minitics is not actually returned. It's actually the number of milliseconds used by the operator
      Number of miniticks used by the operator, as determined by profiler samples.
      Returns:
      number of miniticks
      See Also:

    • getProfilerUSDelta

      public int getProfilerUSDelta()
      Number of microseconds used by the operator, since the previous Snapshot.
      Returns:
      number of microseconds used in this sample
      Since:
      7.0

    • getProfilerMSDelta

      public int getProfilerMSDelta()
      Number of milliseconds used by the operator, since the previous Snapshot.
      Returns:
      number of milliseconds used in this sample

    • getProfilerUS

      public long getProfilerUS()
      Returns:
      The number of microseconds spent in the operator as determined by profiler samples
      Since:
      7.0

    • getProfilerMS

      public long getProfilerMS()
      Returns:
      The number of milliseconds spent in the operator as determined by profiler samples

    • getTotalProfilerHits

      @Deprecated public int getTotalProfilerHits()
      Deprecated.
      Replaced by getTotalProfilerMS(). The number of minitics is not actually returned. It's actually the total number of milliseconds used
      Number of miniticks used by all operators in the contained ProfileState. (The percentage usage is then profiler hits/ total profiler hits.)
      Returns:
      total number of miniticks

    • getTotalProfilerUS

      public long getTotalProfilerUS()
      Returns:
      The number of microseconds spent by all operators as determined by profiler samples
      Since:
      7.0

    • getTotalProfilerMS

      public long getTotalProfilerMS()
      Returns:
      The number of milliseconds spent by all operators as determined by profiler samples

    • getPercentUsage

      public double getPercentUsage()
      The percentage of CPU this operator using, the value is Exponentially Weighted Moving Average with alpha 0.75.
      Returns:
      percent of usage of the operator

    • toString

      public String toString()
      Overrides:
      toString in class Object

    • prettyPrint

      public void prettyPrint()
      Pretty-print an OperatorInfo object to the standard output.

    • clear

      void clear()
      Reset operator info