org.springframework.cglib.proxy.NoOp Java Examples

The following examples show how to use org.springframework.cglib.proxy.NoOp. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: CglibSubclassingInstantiationStrategy.java    From spring-analysis-note with MIT License 6 votes vote down vote up 
/**
 * Create a new instance of a dynamically generated subclass implementing the
 * required lookups.
 * @param ctor constructor to use. If this is {@code null}, use the
 * no-arg constructor (no parameterization, or Setter Injection)
 * @param args arguments to use for the constructor.
 * Ignored if the {@code ctor} parameter is {@code null}.
 * @return new instance of the dynamically generated subclass
 */
public Object instantiate(@Nullable Constructor<?> ctor, Object... args) {
	Class<?> subclass = createEnhancedSubclass(this.beanDefinition);
	Object instance;
	if (ctor == null) {
		instance = BeanUtils.instantiateClass(subclass);
	}
	else {
		try {
			Constructor<?> enhancedSubclassConstructor = subclass.getConstructor(ctor.getParameterTypes());
			instance = enhancedSubclassConstructor.newInstance(args);
		}
		catch (Exception ex) {
			throw new BeanInstantiationException(this.beanDefinition.getBeanClass(),
					"Failed to invoke constructor for CGLIB enhanced subclass [" + subclass.getName() + "]", ex);
		}
	}
	// SPR-10785: set callbacks directly on the instance instead of in the
	// enhanced class (via the Enhancer) in order to avoid memory leaks.
	Factory factory = (Factory) instance;
	factory.setCallbacks(new Callback[] {NoOp.INSTANCE,
			new LookupOverrideMethodInterceptor(this.beanDefinition, this.owner),
			new ReplaceOverrideMethodInterceptor(this.beanDefinition, this.owner)});
	return instance;
}
Example #2
Source File: CglibSubclassingInstantiationStrategy.java    From java-technology-stack with MIT License 6 votes vote down vote up 
/**
 * Create a new instance of a dynamically generated subclass implementing the
 * required lookups.
 * @param ctor constructor to use. If this is {@code null}, use the
 * no-arg constructor (no parameterization, or Setter Injection)
 * @param args arguments to use for the constructor.
 * Ignored if the {@code ctor} parameter is {@code null}.
 * @return new instance of the dynamically generated subclass
 */
public Object instantiate(@Nullable Constructor<?> ctor, Object... args) {
	Class<?> subclass = createEnhancedSubclass(this.beanDefinition);
	Object instance;
	if (ctor == null) {
		instance = BeanUtils.instantiateClass(subclass);
	}
	else {
		try {
			Constructor<?> enhancedSubclassConstructor = subclass.getConstructor(ctor.getParameterTypes());
			instance = enhancedSubclassConstructor.newInstance(args);
		}
		catch (Exception ex) {
			throw new BeanInstantiationException(this.beanDefinition.getBeanClass(),
					"Failed to invoke constructor for CGLIB enhanced subclass [" + subclass.getName() + "]", ex);
		}
	}
	// SPR-10785: set callbacks directly on the instance instead of in the
	// enhanced class (via the Enhancer) in order to avoid memory leaks.
	Factory factory = (Factory) instance;
	factory.setCallbacks(new Callback[] {NoOp.INSTANCE,
			new LookupOverrideMethodInterceptor(this.beanDefinition, this.owner),
			new ReplaceOverrideMethodInterceptor(this.beanDefinition, this.owner)});
	return instance;
}
Example #3
Source File: CglibSubclassingInstantiationStrategy.java    From lams with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Create a new instance of a dynamically generated subclass implementing the
 * required lookups.
 * @param ctor constructor to use. If this is {@code null}, use the
 * no-arg constructor (no parameterization, or Setter Injection)
 * @param args arguments to use for the constructor.
 * Ignored if the {@code ctor} parameter is {@code null}.
 * @return new instance of the dynamically generated subclass
 */
public Object instantiate(Constructor<?> ctor, Object... args) {
	Class<?> subclass = createEnhancedSubclass(this.beanDefinition);
	Object instance;
	if (ctor == null) {
		instance = BeanUtils.instantiateClass(subclass);
	}
	else {
		try {
			Constructor<?> enhancedSubclassConstructor = subclass.getConstructor(ctor.getParameterTypes());
			instance = enhancedSubclassConstructor.newInstance(args);
		}
		catch (Exception ex) {
			throw new BeanInstantiationException(this.beanDefinition.getBeanClass(),
					"Failed to invoke constructor for CGLIB enhanced subclass [" + subclass.getName() + "]", ex);
		}
	}
	// SPR-10785: set callbacks directly on the instance instead of in the
	// enhanced class (via the Enhancer) in order to avoid memory leaks.
	Factory factory = (Factory) instance;
	factory.setCallbacks(new Callback[] {NoOp.INSTANCE,
			new LookupOverrideMethodInterceptor(this.beanDefinition, this.owner),
			new ReplaceOverrideMethodInterceptor(this.beanDefinition, this.owner)});
	return instance;
}
Example #4
Source File: CglibSubclassingInstantiationStrategy.java    From spring4-understanding with Apache License 2.0 6 votes vote down vote up 
/**
 * Create a new instance of a dynamically generated subclass implementing the
 * required lookups.
 * @param ctor constructor to use. If this is {@code null}, use the
 * no-arg constructor (no parameterization, or Setter Injection)
 * @param args arguments to use for the constructor.
 * Ignored if the {@code ctor} parameter is {@code null}.
 * @return new instance of the dynamically generated subclass
 */
public Object instantiate(Constructor<?> ctor, Object... args) {
	Class<?> subclass = createEnhancedSubclass(this.beanDefinition);
	Object instance;
	if (ctor == null) {
		instance = BeanUtils.instantiate(subclass);
	}
	else {
		try {
			Constructor<?> enhancedSubclassConstructor = subclass.getConstructor(ctor.getParameterTypes());
			instance = enhancedSubclassConstructor.newInstance(args);
		}
		catch (Exception ex) {
			throw new BeanInstantiationException(this.beanDefinition.getBeanClass(),
					"Failed to invoke constructor for CGLIB enhanced subclass [" + subclass.getName() + "]", ex);
		}
	}
	// SPR-10785: set callbacks directly on the instance instead of in the
	// enhanced class (via the Enhancer) in order to avoid memory leaks.
	Factory factory = (Factory) instance;
	factory.setCallbacks(new Callback[] {NoOp.INSTANCE,
			new LookupOverrideMethodInterceptor(this.beanDefinition, this.owner),
			new ReplaceOverrideMethodInterceptor(this.beanDefinition, this.owner)});
	return instance;
}
Example #5
Source File: CglibSubclassingInstantiationStrategy.java    From blog_demos with Apache License 2.0 5 votes vote down vote up 
/**
 * Create a new instance of a dynamically generated subclass implementing the
 * required lookups.
 * @param ctor constructor to use. If this is {@code null}, use the
 * no-arg constructor (no parameterization, or Setter Injection)
 * @param args arguments to use for the constructor.
 * Ignored if the {@code ctor} parameter is {@code null}.
 * @return new instance of the dynamically generated subclass
 */
Object instantiate(Constructor<?> ctor, Object[] args) {
	Class<?> subclass = createEnhancedSubclass(this.beanDefinition);

	Object instance;
	if (ctor == null) {
		instance = BeanUtils.instantiate(subclass);
	}
	else {
		try {
			Constructor<?> enhancedSubclassConstructor = subclass.getConstructor(ctor.getParameterTypes());
			instance = enhancedSubclassConstructor.newInstance(args);
		}
		catch (Exception e) {
			throw new BeanInstantiationException(this.beanDefinition.getBeanClass(), String.format(
				"Failed to invoke construcor for CGLIB enhanced subclass [%s]", subclass.getName()), e);
		}
	}

	// SPR-10785: set callbacks directly on the instance instead of in the
	// enhanced class (via the Enhancer) in order to avoid memory leaks.
	Factory factory = (Factory) instance;
	factory.setCallbacks(new Callback[] { NoOp.INSTANCE,//
		new LookupOverrideMethodInterceptor(beanDefinition, owner),//
		new ReplaceOverrideMethodInterceptor(beanDefinition, owner) });

	return instance;
}
Example #6
Source File: BeanFactoryUtilsTests.java    From spring-analysis-note with MIT License 4 votes vote down vote up 
@Test
public void testHierarchicalNamesWithNoMatch() throws Exception {
	List<String> names = Arrays.asList(
			BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, NoOp.class));
	assertEquals(0, names.size());
}
Example #7
Source File: BeanFactoryUtilsTests.java    From java-technology-stack with MIT License 4 votes vote down vote up 
@Test
public void testHierarchicalNamesWithNoMatch() throws Exception {
	List<String> names = Arrays.asList(
			BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, NoOp.class));
	assertEquals(0, names.size());
}
Example #8
Source File: BeanFactoryUtilsTests.java    From spring4-understanding with Apache License 2.0 4 votes vote down vote up 
@Test
public void testHierarchicalNamesWithNoMatch() throws Exception {
	List<String> names = Arrays.asList(
			BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, NoOp.class));
	assertEquals(0, names.size());
}