Example usage for org.springframework.instrument.classloading InstrumentationLoadTimeWeaver InstrumentationLoadTimeWeaver

Introduction

In this page you can find the example usage for org.springframework.instrument.classloading InstrumentationLoadTimeWeaver InstrumentationLoadTimeWeaver.

Prototype

public InstrumentationLoadTimeWeaver(@Nullable ClassLoader classLoader) 

Source Link

Document

Create a new InstrumentationLoadTimeWeaver for the given ClassLoader.

Usage

From source file:org.springframework.context.weaving.DefaultContextLoadTimeWeaver.java

@Override
public void setBeanClassLoader(ClassLoader classLoader) {
    LoadTimeWeaver serverSpecificLoadTimeWeaver = createServerSpecificLoadTimeWeaver(classLoader);
    if (serverSpecificLoadTimeWeaver != null) {
        if (logger.isInfoEnabled()) {
            logger.info("Determined server-specific load-time weaver: "
                    + serverSpecificLoadTimeWeaver.getClass().getName());
        }// ww w. ja va  2  s. c  o  m
        this.loadTimeWeaver = serverSpecificLoadTimeWeaver;
    } else if (InstrumentationLoadTimeWeaver.isInstrumentationAvailable()) {
        logger.info("Found Spring's JVM agent for instrumentation");
        this.loadTimeWeaver = new InstrumentationLoadTimeWeaver(classLoader);
    } else {
        try {
            this.loadTimeWeaver = new ReflectiveLoadTimeWeaver(classLoader);
            if (logger.isInfoEnabled()) {
                logger.info("Using a reflective load-time weaver for class loader: "
                        + this.loadTimeWeaver.getInstrumentableClassLoader().getClass().getName());
            }
        } catch (IllegalStateException ex) {
            throw new IllegalStateException(ex.getMessage() + " Specify a custom LoadTimeWeaver or start your "
                    + "Java virtual machine with Spring's agent: -javaagent:org.springframework.instrument.jar");
        }
    }
}

---

From source file:org.springframework.orm.jpa.persistenceunit.DefaultPersistenceUnitManager.java

@Override
public void afterPropertiesSet() {
    if (this.loadTimeWeaver == null && InstrumentationLoadTimeWeaver.isInstrumentationAvailable()) {
        this.loadTimeWeaver = new InstrumentationLoadTimeWeaver(this.resourcePatternResolver.getClassLoader());
    }// w w w.j  a  va  2 s .c o  m
    preparePersistenceUnitInfos();
}

---