Package org.apache.openjpa.instrumentation

Class InstrumentationManagerImpl

java.lang.Object

org.apache.openjpa.instrumentation.InstrumentationManagerImpl

All Implemented Interfaces:

InstrumentationManager, Closeable

public class InstrumentationManagerImpl
extends java.lang.Object
implements InstrumentationManager

An implementation of an instrumentation manager.

Field Summary

Fields

Modifier and Type	Field	Description
java.util.Set<InstrumentationProvider>	_providers

Constructor Summary

Constructors

Constructor	Description
InstrumentationManagerImpl()

Method Summary

Modifier and Type	Method	Description
void	close()	Stops all providers
java.util.Set<InstrumentationProvider>	getProviders()	Returns all providers as an unmodifiable set
void	initialize(OpenJPAConfiguration conf, PluginListValue pluginVal)	Initializes all providers defined for the specified configuration.
void	manageProvider(InstrumentationProvider provider)	Make a provider managed.
void	start(InstrumentationLevel level, java.lang.Object context)	Starts all providers at a specific level and context
void	stop(InstrumentationLevel level, java.lang.Object context)	Stops all providers at a specific level and context

Methods inherited from class java.lang.Object

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

Field Detail

_providers

public java.util.Set<InstrumentationProvider> _providers

Constructor Detail

InstrumentationManagerImpl

public InstrumentationManagerImpl()

Method Detail

initialize

public void initialize(OpenJPAConfiguration conf,
                       PluginListValue pluginVal)

Initializes all providers defined for the specified configuration.

Specified by:

initialize in interface InstrumentationManager

Parameters:

conf - the configuration to use for initialization

pluginVal - one or more providers as supplied via plugin list value

manageProvider

public void manageProvider(InstrumentationProvider provider)

Make a provider managed. This will bind its instrumentation to InstrumentationLevel type events (factory create/close, broker create/close).

Specified by:

manageProvider in interface InstrumentationManager

Parameters:

provider - the instrumentation provider

getProviders

public java.util.Set<InstrumentationProvider> getProviders()

Returns all providers as an unmodifiable set

Specified by:

getProviders in interface InstrumentationManager

Returns:

all providers managed by this manager

start

public void start(InstrumentationLevel level,
                  java.lang.Object context)

Starts all providers at a specific level and context

Specified by:

start in interface InstrumentationManager

Parameters:

level - instrumentation level

context - instrumentation context (broker, factory, config,...)

stop

public void stop(InstrumentationLevel level,
                 java.lang.Object context)

Stops all providers at a specific level and context

Specified by:

stop in interface InstrumentationManager

context - instrumentation context (broker, factory, config,...)

close

public void close()
           throws java.lang.Exception

Stops all providers

Specified by:

close in interface Closeable

Throws:

java.lang.Exception