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package org.apache.tuscany.core.injection;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
/**
* Performs an invocation on a method of a given instance
*
* @version $Rev$ $Date$
*/
public class MethodEventInvoker<T> implements EventInvoker<T> {
private final Method method;
//----------------------------------
// Constructors
//----------------------------------
/**
* Intantiates an invoker for the given method
*/
public MethodEventInvoker(Method method) {
this.method = method;
}
//----------------------------------
// Methods
//----------------------------------
public void invokeEvent(T instance) throws ObjectCallbackException {
try {
method.invoke(instance, (Object[]) null);
} catch (IllegalAccessException e) {
throw new AssertionError("Method is not accessible [" + method + "]");
} catch (InvocationTargetException e) {
throw new ObjectCallbackException("Exception thrown by callback method [" + method + "]", e);
}
}
}
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