Package org.eclipse.persistence.tools.profiler

Class PerformanceProfiler

java.lang.Object

org.eclipse.persistence.sessions.SessionProfilerAdapter

org.eclipse.persistence.tools.profiler.PerformanceProfiler

All Implemented Interfaces:

Serializable, Cloneable, SessionProfiler

public class PerformanceProfiler
extends SessionProfilerAdapter
implements Serializable, Cloneable

Purpose: A tool used to provide high level performance profiling information.

See Also:

Serialized Form

Author:

James Sutherland

Since:

TopLink 1.0

Field Summary

Fields

Modifier and Type	Field	Description
protected int	nestLevel
protected long	nestTime
protected Map<Integer,Map<String,Long>>	operationStartTimesByThread
protected Map<Integer,Map<String,Long>>	operationTimingsByThread
protected List<Profile>	profiles
protected long	profileTime
protected org.eclipse.persistence.internal.sessions.AbstractSession	session
protected boolean	shouldLogProfile

Fields inherited from interface org.eclipse.persistence.sessions.SessionProfiler

ALL, AssignSequence, CacheCoordination, CacheCoordinationSerialize, CacheHits, CacheMisses, CacheSize, Caching, ChangeSetsNotProcessed, ChangeSetsProcessed, ClientSessionCreated, ClientSessionReleased, ConnectionManagement, ConnectionPing, Connects, DescriptorEvent, Disconnects, DistributedMerge, HEAVY, JtsAfterCompletion, JtsBeforeCompletion, Logging, LoginTime, Merge, NONE, NORMAL, ObjectBuilding, OptimisticLockException, QueryPreparation, RcmReceived, RcmSent, RcmStatus, Register, Remote, RemoteChangeSet, RemoteLazy, RemoteMetadata, RowFetch, SessionEvent, SessionName, SqlGeneration, SqlPrepare, StatementExecute, Transaction, UowCommit, UowCommits, UowCreated, UowReleased, UowRollbacks

Constructor Summary

Constructors

Constructor	Description
PerformanceProfiler()	PUBLIC: Create a new profiler.
PerformanceProfiler(boolean shouldLogProfile)	PUBLIC: Create a new profiler.

Method Summary

Modifier and Type	Method	Description
protected void	addProfile(Profile profile)
Profile	buildProfileSummary()	INTERNAL: Return a summary profile reporting on the profiles contained.
Hashtable	buildProfileSummaryByClass()	INTERNAL: Return a map of summary profiles reporting on the profile contained.
Hashtable	buildProfileSummaryByQuery()	INTERNAL: Return a map of summary profiles reporting on the profile contained.
PerformanceProfiler	clone()
void	dontLogProfile()	PUBLIC: Set whether after each query execution the profile result should be logged.
void	endOperationProfile(String operationName)	INTERNAL: End the operation timing.
void	endOperationProfile(String operationName, DatabaseQuery query, int weight)	INTERNAL: End the operation timing.
protected int	getNestLevel()
protected long	getNestTime()
protected Map<String,Long>	getOperationStartTimes()
protected Map<Integer,Map<String,Long>>	getOperationStartTimesByThread()
protected Map<String,Long>	getOperationTimings()
protected Map<Integer,Map<String,Long>>	getOperationTimingsByThread()
List<Profile>	getProfiles()	Return the profiles logged in this profiler.
protected long	getProfileTime()
int	getProfileWeight()	INTERNAL: Return DMS sensor weight(DMS)
org.eclipse.persistence.internal.sessions.AbstractSession	getSession()
void	initialize()	INTERNAL: Initialize EclipseLink noun tree(DMS)
void	logProfile()	PUBLIC: Set whether after each query execution the profile result should be logged.
void	logProfileSummary()	PUBLIC: Log a profile summary.
void	logProfileSummaryByClass()	PUBLIC: Log a profile summary by class.
void	logProfileSummaryByQuery()	PUBLIC: Log a profile summary by query.
Object	profileExecutionOfQuery(DatabaseQuery query, Record row, org.eclipse.persistence.internal.sessions.AbstractSession session)	INTERNAL: Finish a profile operation if profiling.
protected void	setNestLevel(int nestLevel)
protected void	setNestTime(long nestTime)
protected void	setOperationStartTimes(Map<String,Long> operationStartTimes)
protected void	setOperationStartTimesByThread(Hashtable operationStartTimesByThread)
protected void	setOperationTimings(Map<String,Long> operationTimings)
protected void	setOperationTimingsByThread(Hashtable operationTimingsByThread)
protected void	setProfiles(Vector profiles)
protected void	setProfileTime(long profileTime)
void	setSession(Session session)	INTERNAL: Set the session.
void	setShouldLogProfile(boolean shouldLogProfile)	PUBLIC: Set whether after each query execution the profile result should be logged.
boolean	shouldLogProfile()
void	startOperationProfile(String operationName)	INTERNAL: Start the operation timing.
void	startOperationProfile(String operationName, DatabaseQuery query, int weight)	INTERNAL: Start the operation timing.
protected void	writeNestingTabs(Writer writer)

Methods inherited from class org.eclipse.persistence.sessions.SessionProfilerAdapter

occurred, occurred, setProfileWeight, update

Methods inherited from class java.lang.Object

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

Field Detail

profiles

protected List<Profile> profiles

session

protected transient org.eclipse.persistence.internal.sessions.AbstractSession session

shouldLogProfile

protected boolean shouldLogProfile

nestLevel

protected int nestLevel

nestTime

protected long nestTime

profileTime

protected long profileTime

operationTimingsByThread

protected Map<Integer,Map<String,Long>> operationTimingsByThread

operationStartTimesByThread

protected Map<Integer,Map<String,Long>> operationStartTimesByThread

Constructor Detail

PerformanceProfiler

public PerformanceProfiler()

PUBLIC: Create a new profiler. The profiler can be registered with a session to log performance information on queries.

PerformanceProfiler

public PerformanceProfiler(boolean shouldLogProfile)

PUBLIC: Create a new profiler. The profiler can be registered with a session to log performance information on queries.

Method Detail

addProfile

protected void addProfile(Profile profile)

buildProfileSummary

public Profile buildProfileSummary()

INTERNAL: Return a summary profile reporting on the profiles contained.

buildProfileSummaryByClass

public Hashtable buildProfileSummaryByClass()

INTERNAL: Return a map of summary profiles reporting on the profile contained.

buildProfileSummaryByQuery

public Hashtable buildProfileSummaryByQuery()

INTERNAL: Return a map of summary profiles reporting on the profile contained.

clone

public PerformanceProfiler clone()

Overrides:

clone in class Object

dontLogProfile

public void dontLogProfile()

PUBLIC: Set whether after each query execution the profile result should be logged. By default this is false.

endOperationProfile

public void endOperationProfile(String operationName)

INTERNAL: End the operation timing.

Specified by:

endOperationProfile in interface SessionProfiler

Overrides:

endOperationProfile in class SessionProfilerAdapter

endOperationProfile

public void endOperationProfile(String operationName,
                                DatabaseQuery query,
                                int weight)

INTERNAL: End the operation timing.

Specified by:

endOperationProfile in interface SessionProfiler

Overrides:

endOperationProfile in class SessionProfilerAdapter

getNestLevel

protected int getNestLevel()

getNestTime

protected long getNestTime()

getOperationStartTimes

protected Map<String,Long> getOperationStartTimes()

getOperationStartTimesByThread

protected Map<Integer,Map<String,Long>> getOperationStartTimesByThread()

getOperationTimings

protected Map<String,Long> getOperationTimings()

getOperationTimingsByThread

protected Map<Integer,Map<String,Long>> getOperationTimingsByThread()

getProfiles

public List<Profile> getProfiles()

Return the profiles logged in this profiler.

getProfileTime

protected long getProfileTime()

getSession

public org.eclipse.persistence.internal.sessions.AbstractSession getSession()

logProfile

public void logProfile()

PUBLIC: Set whether after each query execution the profile result should be logged. By default this is true.

logProfileSummary

public void logProfileSummary()

PUBLIC: Log a profile summary.

logProfileSummaryByClass

public void logProfileSummaryByClass()

PUBLIC: Log a profile summary by class.

logProfileSummaryByQuery

public void logProfileSummaryByQuery()

PUBLIC: Log a profile summary by query.

profileExecutionOfQuery

public Object profileExecutionOfQuery(DatabaseQuery query,
                                      Record row,
                                      org.eclipse.persistence.internal.sessions.AbstractSession session)

INTERNAL: Finish a profile operation if profiling. This assumes the start operation proceeds on the stack. The session must be passed to allow units of work etc. to share their parents profiler.

Specified by:

profileExecutionOfQuery in interface SessionProfiler

Overrides:

profileExecutionOfQuery in class SessionProfilerAdapter

Returns:

the execution result of the query.

setNestLevel

protected void setNestLevel(int nestLevel)

setNestTime

protected void setNestTime(long nestTime)

setOperationStartTimes

protected void setOperationStartTimes(Map<String,Long> operationStartTimes)

setOperationStartTimesByThread

protected void setOperationStartTimesByThread(Hashtable operationStartTimesByThread)

setOperationTimings

protected void setOperationTimings(Map<String,Long> operationTimings)

setOperationTimingsByThread

protected void setOperationTimingsByThread(Hashtable operationTimingsByThread)

setProfiles

protected void setProfiles(Vector profiles)

setProfileTime

protected void setProfileTime(long profileTime)

setSession

public void setSession(Session session)

Description copied from class: SessionProfilerAdapter

INTERNAL: Set the session.

Specified by:

setSession in interface SessionProfiler

Overrides:

setSession in class SessionProfilerAdapter

setShouldLogProfile

public void setShouldLogProfile(boolean shouldLogProfile)

PUBLIC: Set whether after each query execution the profile result should be logged. By default this is true.

shouldLogProfile

public boolean shouldLogProfile()

startOperationProfile

public void startOperationProfile(String operationName)

INTERNAL: Start the operation timing.

Specified by:

startOperationProfile in interface SessionProfiler

Overrides:

startOperationProfile in class SessionProfilerAdapter

startOperationProfile

public void startOperationProfile(String operationName,
                                  DatabaseQuery query,
                                  int weight)

INTERNAL: Start the operation timing.

Specified by:

startOperationProfile in interface SessionProfiler

Overrides:

startOperationProfile in class SessionProfilerAdapter

writeNestingTabs

protected void writeNestingTabs(Writer writer)

getProfileWeight

public int getProfileWeight()

Description copied from class: SessionProfilerAdapter

INTERNAL: Return DMS sensor weight(DMS)

Specified by:

getProfileWeight in interface SessionProfiler

Overrides:

getProfileWeight in class SessionProfilerAdapter

initialize

public void initialize()

Description copied from class: SessionProfilerAdapter

INTERNAL: Initialize EclipseLink noun tree(DMS)

Specified by:

initialize in interface SessionProfiler

Overrides:

initialize in class SessionProfilerAdapter