InstrumentationLoadTimeWeaver

open class InstrumentationLoadTimeWeaver : LoadTimeWeaver

LoadTimeWeaver relying on VM Instrumentation.

Start the JVM specifying the Java agent to be used, like as follows:

-javaagent:path/to/org.springframework.instrument.jar

where org.springframework.instrument.jar is a JAR file containing the InstrumentationSavingAgent class, as shipped with Spring.

In Eclipse, for example, set the "Run configuration"'s JVM args to be of the form:

-javaagent:${project_loc}/lib/org.springframework.instrument.jar

Author
Rod Johnson

Author
Juergen Hoeller

Since
2.0

See Also
InstrumentationSavingAgent

InstrumentationLoadTimeWeaver()

Create a new InstrumentationLoadTimeWeaver for the default ClassLoader.

InstrumentationLoadTimeWeaver(classLoader: ClassLoader)

Create a new InstrumentationLoadTimeWeaver for the given ClassLoader.

addTransformer	`open fun addTransformer(transformer: ClassFileTransformer): Unit`
getInstrumentableClassLoader	`open fun getInstrumentableClassLoader(): ClassLoader` We have the ability to weave the current class loader when starting the JVM in this way, so the instrumentable class loader will always be the current loader.
getThrowawayClassLoader	`open fun getThrowawayClassLoader(): ClassLoader` This implementation always returns a SimpleThrowawayClassLoader.
isInstrumentationAvailable	`open static fun isInstrumentationAvailable(): Boolean` Check whether an Instrumentation instance is available for the current VM.
removeTransformers	`open fun removeTransformers(): Unit` Remove all registered transformers, in inverse order of registration.