com.hp.sdn.metric

Class RollingCounterDataPoint

java.lang.Object

com.hp.sdn.metric.DataPoint

com.hp.sdn.metric.RollingCounterDataPoint

public class RollingCounterDataPoint
extends DataPoint

Class for a time stamped rolling counter data point.

Author:

Steve Britt

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	RollingCounterDataPoint.RollingCounterIndices Indices used for storing RollingCounterDataPoint contents in a file.

Nested classes/interfaces inherited from class com.hp.sdn.metric.DataPoint

DataPoint.Indices

Field Summary

Fields inherited from class com.hp.sdn.metric.DataPoint

ENCODING_CHAR_SET

Constructor Summary

Constructors

Constructor and Description
RollingCounterDataPoint(InputStream is) Constructs a RollingCounterDataPoint from the specified stream contents.
RollingCounterDataPoint(long lastUpdatedTimeStamp, long msSpanned, long delta) Constructs a RollingCounterDataPoint using the specified values.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object toCompare)
long	getDelta() Gets the delta value.
int	getExpectedFieldCount() Gets the expected CSV field count for the data type.
int	hashCode()
protected String[]	prepareArrayFieldsForWriting(String[] fields) Prepares the provided String array with values to be written for this DataPoint.
void	set(String[] fields) Reads the DataPoint contents from the specified String array.
void	setDelta(long toSet) Sets the delta value.
String	toDebugString() Gets a detailed representation of this object to facilitate debugging.
String	toString()

Methods inherited from class com.hp.sdn.metric.DataPoint

getLastUpdatedTimeStamp, getMsSpanned, read, setLastUpdatedTimeStamp, setMsSpanned, write

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RollingCounterDataPoint

public RollingCounterDataPoint(long lastUpdatedTimeStamp,
                       long msSpanned,
                       long delta)

Constructs a RollingCounterDataPoint using the specified values.

Parameters:

lastUpdatedTimeStamp - last updated time stamp

msSpanned - milliseconds spanned

delta - delta value

RollingCounterDataPoint

public RollingCounterDataPoint(InputStream is)
                        throws DataFormatException,
                               IOException

Constructs a RollingCounterDataPoint from the specified stream contents.

Parameters:

is - InputStream to read from

Throws:

DataFormatException - if the expected content cannot be read

IOException - if an error occurs while reading from the stream

Method Detail

equals

public boolean equals(Object toCompare)

Overrides:

equals in class DataPoint

getDelta

public long getDelta()

Gets the delta value.

Returns:

delta value

getExpectedFieldCount

public int getExpectedFieldCount()

Description copied from class: DataPoint

Gets the expected CSV field count for the data type.

Overrides:

getExpectedFieldCount in class DataPoint

Returns:

the expected field count

hashCode

public int hashCode()

Overrides:

hashCode in class DataPoint

prepareArrayFieldsForWriting

protected String[] prepareArrayFieldsForWriting(String[] fields)

Description copied from class: DataPoint

Prepares the provided String array with values to be written for this DataPoint.

Overrides:

prepareArrayFieldsForWriting in class DataPoint

Parameters:

fields - a String array that will be set with the field values, in order, to be written

Returns:

array set with fields values from this object, in order

set

public void set(String[] fields)
         throws DataFormatException

Description copied from class: DataPoint

Reads the DataPoint contents from the specified String array.

Overrides:

set in class DataPoint

Parameters:

fields - String array to read from

Throws:

DataFormatException - if the expected file content cannot be read

setDelta

public void setDelta(long toSet)

Sets the delta value.

Parameters:

toSet - delta value

toDebugString

public String toDebugString()

Description copied from class: DataPoint

Gets a detailed representation of this object to facilitate debugging.

Overrides:

toDebugString in class DataPoint

Returns:

debug representation of object

toString

public String toString()

Overrides:

toString in class DataPoint