Package org.wso2.carbon.usage.agent.api

Class CustomMeteringAgent

java.lang.Object

org.wso2.carbon.usage.agent.api.CustomMeteringAgent

public class CustomMeteringAgent
extends Object

CustomMeteringAgent is used to get recorded duration, to check whether usage entry exists, to persist and retrieve usage.

Constructor Summary

Constructors

Constructor	Description
CustomMeteringAgent(org.wso2.carbon.registry.core.Registry registry)	Constructor for the custom metering agent

Method Summary

Modifier and Type	Method	Description
long	addUsage(String duration, String measurement, long value)	Add a long value to the usage, if there were no previous entry, this will start with value 0
String[]	getRecordedDurations(String measurement)	Get recorded durations
boolean	isUsageEntryExists(String duration, String measurement)	Check whether the usage entry exist or not
void	persistUsage(String duration, String measurement, String value)	Persist usage of a user
String	retrieveUsage(String duration, String measurement)	Retrieve usage of a user

Methods inherited from class java.lang.Object

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

Constructor Details

CustomMeteringAgent

public CustomMeteringAgent(org.wso2.carbon.registry.core.Registry registry)

Constructor for the custom metering agent

Parameters:

registry - governance registry of super tenant

Method Details

getRecordedDurations

public String[] getRecordedDurations(String measurement)
                              throws UsageException

Get recorded durations

Parameters:

measurement - the measurement to get the duration

Returns:

the durations array

Throws:

UsageException

isUsageEntryExists

public boolean isUsageEntryExists(String duration,
 String measurement)
                           throws UsageException

Check whether the usage entry exist or not

Parameters:

duration - the duration (e.g. year month), null for any duration

measurement - measurement key

Returns:

true if usage entry exists

Throws:

UsageException

persistUsage

public void persistUsage(String duration,
 String measurement,
 String value)
                  throws UsageException

Persist usage of a user

Parameters:

duration - the duration (e.g. year month), null for any duration

measurement - measurement key

value - measurement value

Throws:

UsageException

retrieveUsage

public String retrieveUsage(String duration,
 String measurement)
                     throws UsageException

Retrieve usage of a user

Parameters:

duration - the duration (e.g. year month), null for any duration

measurement - measurement key

Returns:

measurement value

Throws:

UsageException

addUsage

public long addUsage(String duration,
 String measurement,
 long value)
              throws UsageException

Add a long value to the usage, if there were no previous entry, this will start with value 0

Parameters:

duration - the duration (e.g. year month), null for any duration

measurement - measurement key

value - measurement value

Returns:

the added measurement value

Throws:

UsageException