EmaSpec

java.lang.Object

com.illumon.iris.db.v2.updateby.spec.EmaSpec

All Implemented Interfaces:: UpdateBySpec

public class EmaSpec
extends Object
implements UpdateBySpec

A UpdateBySpec for performing an Exponential Moving Average across the specified columns

Nested Class Summary

Nested classes/interfaces inherited from interface com.illumon.iris.db.v2.updateby.spec.UpdateBySpec
UpdateBySpec.Visitor

Method Summary

Modifier and Type	Method	Description
`boolean`	`applicableTo(Class<?> inputType)`	Determine if this spec can be applied to the specified type
`String`	`describe()`	Get a description of the operation requested.
`EmaControl`	`getControl()`
`long`	`getTimeScaleUnits()`
`String`	`getTimestampCol()`
`static EmaSpec`	`ofTicks(EmaControl control, long tickWindow)`
`static EmaSpec`	`ofTime(EmaControl control, String timestampCol, long timeScaleNanos)`
`<V extends UpdateBySpec.Visitor> V`	`walk(V v)`

Methods inherited from class java.lang.Object

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

Method Details
- ofTime
  
  public static EmaSpec ofTime(@NotNull EmaControl control, @NotNull String timestampCol, long timeScaleNanos)
- ofTicks
  
  public static EmaSpec ofTicks(@NotNull EmaControl control, long tickWindow)
- getTimestampCol
  
  public String getTimestampCol()
- getTimeScaleUnits
  
  public long getTimeScaleUnits()
- getControl
  
  public EmaControl getControl()
- describe
  
  @NotNull public String describe()
  
  Description copied from interface: UpdateBySpec
  
  Get a description of the operation requested.
  
  Specified by:
  
  describe in interface UpdateBySpec
  
  Returns:
  
  a description of the operation
- applicableTo
  
  public boolean applicableTo(@NotNull Class<?> inputType)
  
  Description copied from interface: UpdateBySpec
  
  Determine if this spec can be applied to the specified type
  
  Specified by:
  
  applicableTo in interface UpdateBySpec
  
  Returns:
  
  true if this spec can be applied to the specified input type
- walk
  
  public <V extends UpdateBySpec.Visitor> V walk(@NotNull V v)
  
  Specified by:
  
  walk in interface UpdateBySpec