org.apache.openjpa.instrumentation

Interface InstrumentationManager

All Superinterfaces:

Closeable

All Known Implementing Classes:

InstrumentationManagerImpl

public interface InstrumentationManager
extends Closeable

Managers of instrumentation providers must implement this interface. It provides methods for initializing multiple providers via configuration in addition to managing instrumentation providers and the state of the providers.

Method Summary

Methods

Modifier and Type	Method and Description
Set<InstrumentationProvider>	getProviders() Returns all providers managed by this manager.
void	initialize(OpenJPAConfiguration conf, PluginListValue providers) Used to initialize one or more providers using the supplied configuration.
void	manageProvider(InstrumentationProvider provider) Manage a given provider.
void	start(InstrumentationLevel level, Object context) Starts all instruments for all managed providers for a given level and context.
void	stop(InstrumentationLevel broker, Object context) Stops all instruments for all managed providers for a given level and context.

Methods inherited from interface org.apache.openjpa.lib.util.Closeable

close

Method Detail

initialize

void initialize(OpenJPAConfiguration conf,
              PluginListValue providers)

Used to initialize one or more providers using the supplied configuration.

Parameters:

conf - the configuration to use for initialization

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

manageProvider

void manageProvider(InstrumentationProvider provider)

Manage a given provider. This will plug the instruments managed by the the provider into the life cycle of the manager

Parameters:

provider - the instrumentation provider

start

void start(InstrumentationLevel level,
         Object context)

Starts all instruments for all managed providers for a given level and context.

Parameters:

level - instrumentation level

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

stop

void stop(InstrumentationLevel broker,
        Object context)

Stops all instruments for all managed providers for a given level and context.

Parameters:

level - instrumentation level

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

getProviders

Set<InstrumentationProvider> getProviders()

Returns all providers managed by this manager.

Returns:

all providers managed by this manager