org.ow2.jasmine.probe.collectors
Class JCollector

java.lang.Object
  org.ow2.jasmine.probe.collectors.JCollector

All Implemented Interfaces:

org.ow2.jasmine.probe.collector.JasmineCollector

Direct Known Subclasses:

ConstantCollector

public abstract class JCollector
extends java.lang.Object
implements org.ow2.jasmine.probe.collector.JasmineCollector

This object represents a Collector in use. It may be associated to more than one JProbe It is abstract, because implementation may be various. These implementations are in separate modules.

Author:

durieuxp

Field Summary

protected org.ow2.jasmine.probe.JasmineIndicator	indicator Indicator definition
protected org.ow2.util.log.Log	logger Logger.
protected java.lang.String	name Name used to identify this Collector
protected int	period period of polling in seconds

Constructor Summary

JCollector(java.lang.String name, org.ow2.jasmine.probe.JasmineIndicator def, int period)
Constructor

Method Summary

protected long	addValues(java.util.Collection<java.lang.Number> values) Add a list of values of same type
protected long	diffValues(java.lang.Number v1, java.lang.Number v2) Make a diff between 2 values
protected long	divideValues(java.lang.Number v1, java.lang.Number v2) Make a div between 2 values
org.ow2.jasmine.probe.JasmineIndicator	getIndicator()
abstract org.ow2.jasmine.probe.JasmineIndicatorValue	getLastResult() return the last result for this indicator
java.lang.String	getName()
protected long	longValue(java.lang.Number nb) Try to cast a Number into a long value
protected long	multiplyValues(java.util.Collection<java.lang.Number> values) Multiply a list of values of same type
abstract void	startPolling() Restart polling
abstract void	stopPolling() Stop polling

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected org.ow2.util.log.Log logger

Logger.

indicator

protected org.ow2.jasmine.probe.JasmineIndicator indicator

Indicator definition

period

protected int period

period of polling in seconds

name

protected java.lang.String name

Name used to identify this Collector

Constructor Detail

JCollector

public JCollector(java.lang.String name,
                  org.ow2.jasmine.probe.JasmineIndicator def,
                  int period)

Constructor

Method Detail

getIndicator

public org.ow2.jasmine.probe.JasmineIndicator getIndicator()

getName

public java.lang.String getName()

Specified by:

getName in interface org.ow2.jasmine.probe.collector.JasmineCollector

Returns:

name of this Collector

getLastResult

public abstract org.ow2.jasmine.probe.JasmineIndicatorValue getLastResult()
                                                                   throws org.ow2.jasmine.probe.collector.JasmineCollectorException

return the last result for this indicator

Specified by:

getLastResult in interface org.ow2.jasmine.probe.collector.JasmineCollector

Returns:

JasmineIndicatorValue or null if no value available

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException

stopPolling

public abstract void stopPolling()

Stop polling

Specified by:

stopPolling in interface org.ow2.jasmine.probe.collector.JasmineCollector

startPolling

public abstract void startPolling()

Restart polling

Specified by:

startPolling in interface org.ow2.jasmine.probe.collector.JasmineCollector

diffValues

protected long diffValues(java.lang.Number v1,
                          java.lang.Number v2)
                   throws org.ow2.jasmine.probe.collector.JasmineCollectorException

Make a diff between 2 values

Parameters:

v1 -

v2 -

Returns:

v1 - v2

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException

divideValues

protected long divideValues(java.lang.Number v1,
                            java.lang.Number v2)
                     throws org.ow2.jasmine.probe.collector.JasmineCollectorException

Make a div between 2 values

Parameters:

v1 -

v2 -

Returns:

v1 / v2

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException

addValues

protected long addValues(java.util.Collection<java.lang.Number> values)
                  throws org.ow2.jasmine.probe.collector.JasmineCollectorException

Add a list of values of same type

Parameters:

values -

Returns:

Object of same type representing the sum of all values

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException

multiplyValues

protected long multiplyValues(java.util.Collection<java.lang.Number> values)
                       throws org.ow2.jasmine.probe.collector.JasmineCollectorException

Multiply a list of values of same type

Parameters:

values -

Returns:

Object of same type representing the product of all values

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException

longValue

protected long longValue(java.lang.Number nb)
                  throws org.ow2.jasmine.probe.collector.JasmineCollectorException

Try to cast a Number into a long value

Parameters:

nb -

Returns:

Throws:

org.ow2.jasmine.probe.collector.JasmineCollectorException