org.jboss.weld.bean.proxy.MethodHandler Maven / Gradle / Ivy

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This jar bundles all the bits of Weld and CDI required for running in a Servlet container.

There is a newer version: 6.0.0.Beta4

package org.jboss.weld.bean.proxy;

import java.lang.reflect.Method;

/**
 * The interface implemented by the invocation handler of a proxy
 * instance.
 *
 */
public interface MethodHandler {
    /**
     * Is called when a method is invoked on a proxy instance associated
     * with this handler.  This method must process that method invocation.
     *
     * @param self          the proxy instance.
     * @param thisMethod    the overridden method declared in the super
     *                      class or interface.
     * @param proceed       the forwarder method for invoking the overridden
     *                      method.  It is null if the overridden method is
     *                      abstract or declared in the interface.
     * @param args          an array of objects containing the values of
     *                      the arguments passed in the method invocation
     *                      on the proxy instance.  If a parameter type is
     *                      a primitive type, the type of the array element
     *                      is a wrapper class.
     * @return              the resulting value of the method invocation.
     *
     * @throws Throwable    if the method invocation fails.
     */
    Object invoke(Object self, Method thisMethod, Method proceed,
                  Object[] args) throws Throwable;
}