com.oy.shared.lw.perf.agent
Class PerfAgent

java.lang.Object
  com.oy.shared.lw.perf.agent.PerfAgent

All Implemented Interfaces:

IPerfAgent

public class PerfAgent

extends java.lang.Object

implements IPerfAgent

Nested Class Summary

(package private) class	PerfAgent.PerfMonitorStub
(package private) class	PerfAgent.ServerThread

Nested classes inherited from class com.oy.shared.lw.perf.IPerfAgent

IPerfAgent.MockPerfAgent

Field Summary

private java.lang.StringBuffer	m_Buffer
private int	m_Collect
private PerfAgentContext	m_Ctx
private static java.text.SimpleDateFormat	m_DateFormat
private java.util.List	m_History
private long	m_LastSnapshot
private java.util.Set	m_Listeners
private java.util.List	m_Monitors
private static java.text.NumberFormat	m_NumFormat
private java.lang.String	m_OldPerf
private int	m_Sequence
private PerfAgent.ServerThread	m_Thread
private ITrace	m_Trace

Constructor Summary

PerfAgent(ITrace trace, PerfAgentContext ctx)

PerfAgent(PerfAgentContext ctx)

Method Summary

void	addListener(IPerfAgentListener listener)
void	addMonitor(IPerfMonitor monitor) wehn we add monitor we might have a stub for it when it wasremoved last; in this case we need to replace stub with real monitor; this is done so the position of a collected value in the history row does not change
protected void	afterAddMonitor(IPerfMonitor monitor)
protected void	afterRemoveMonitor(IPerfMonitor monitor)
private void	assertValidMonitor(IPerfMonitor monitor)
private void	collectNow()
IPerfMonitor[]	enumMonitors()
private int	indexOfName(IPerfMonitor monitor)
void	makeSnapshot(java.lang.StringBuffer sb)
void	makeSnapshot(java.lang.StringBuffer sb, int maxItems)
void	removeListener(IPerfAgentListener listener)
void	removeMonitor(IPerfMonitor monitor) when we remove monitors will keep a stub object instead; this is done so the position of a collected value in the history row does not change
private void	renderDataRows(java.lang.StringBuffer sb, HtmlSnapshotFormatter form, int maxItems)
private void	renderHeaderRow(java.lang.StringBuffer sb, HtmlSnapshotFormatter form)
private void	renderValues(java.lang.StringBuffer sb, int count, long[] values)
private void	snapshotNow()
void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

m_NumFormat

private static java.text.NumberFormat m_NumFormat

m_DateFormat

private static java.text.SimpleDateFormat m_DateFormat

m_Listeners

private java.util.Set m_Listeners

m_Monitors

private java.util.List m_Monitors

m_History

private java.util.List m_History

m_Buffer

private java.lang.StringBuffer m_Buffer

m_Sequence

private int m_Sequence

m_Collect

private int m_Collect

m_OldPerf

private java.lang.String m_OldPerf

m_LastSnapshot

private long m_LastSnapshot

m_Thread

private PerfAgent.ServerThread m_Thread

m_Trace

private ITrace m_Trace

m_Ctx

private PerfAgentContext m_Ctx

Constructor Detail

PerfAgent

public PerfAgent(PerfAgentContext ctx)
          throws java.lang.Exception

PerfAgent

public PerfAgent(ITrace trace,
                 PerfAgentContext ctx)
          throws java.lang.Exception

Method Detail

stop

public void stop()

addListener

public void addListener(IPerfAgentListener listener)

Specified by:

addListener in interface IPerfAgent

removeListener

public void removeListener(IPerfAgentListener listener)

Specified by:

removeListener in interface IPerfAgent

renderHeaderRow

private void renderHeaderRow(java.lang.StringBuffer sb,
                             HtmlSnapshotFormatter form)

renderDataRows

private void renderDataRows(java.lang.StringBuffer sb,
                            HtmlSnapshotFormatter form,
                            int maxItems)

makeSnapshot

public void makeSnapshot(java.lang.StringBuffer sb)

Specified by:

makeSnapshot in interface IPerfAgent

makeSnapshot

public void makeSnapshot(java.lang.StringBuffer sb,
                         int maxItems)

Specified by:

makeSnapshot in interface IPerfAgent

assertValidMonitor

private void assertValidMonitor(IPerfMonitor monitor)

indexOfName

private int indexOfName(IPerfMonitor monitor)

addMonitor

public void addMonitor(IPerfMonitor monitor)

wehn we add monitor we might have a stub for it when it wasremoved last; in this case we need to replace stub with real monitor; this is done so the position of a collected value in the history row does not change

Specified by:

addMonitor in interface IPerfAgent

removeMonitor

public void removeMonitor(IPerfMonitor monitor)

when we remove monitors will keep a stub object instead; this is done so the position of a collected value in the history row does not change

Specified by:

removeMonitor in interface IPerfAgent

renderValues

private void renderValues(java.lang.StringBuffer sb,
                          int count,
                          long[] values)

snapshotNow

private void snapshotNow()

collectNow

private void collectNow()

enumMonitors

public IPerfMonitor[] enumMonitors()

Specified by:

enumMonitors in interface IPerfAgent

afterAddMonitor

protected void afterAddMonitor(IPerfMonitor monitor)

afterRemoveMonitor

protected void afterRemoveMonitor(IPerfMonitor monitor)