Package groovy.lang

Interface Interceptor

  • All Known Subinterfaces:
    PropertyAccessInterceptor
    All Known Implementing Classes:
    BenchmarkInterceptor, TracingInterceptor

    public interface Interceptor
    Implementers of this interface can be registered in the ProxyMetaClass for notifications about method calls for objects managed by the ProxyMetaClass. See groovy/lang/InterceptorTest.groovy for details.
    • Method Detail

      • beforeInvoke

        Object beforeInvoke​(Object object,
                            String methodName,
                            Object[] arguments)
        This code is executed before the method is optionally called.
        Parameters:
        object - receiver object for the method call
        methodName - name of the method to call
        arguments - arguments to the method call
        Returns:
        any arbitrary result that replaces the result of the original method call only if doInvoke() returns false and afterInvoke() relays this result.
      • afterInvoke

        Object afterInvoke​(Object object,
                           String methodName,
                           Object[] arguments,
                           Object result)
        This code is executed after the method is optionally called.
        Parameters:
        object - receiver object for the called method
        methodName - name of the called method
        arguments - arguments to the called method
        result - result of the executed method call or result of beforeInvoke if method was not called
        Returns:
        any arbitrary result that can replace the result of the original method call. Typically, the result parameter is returned.
      • doInvoke

        boolean doInvoke()
        Returns:
        whether the target method should be invoked at all.