/* * JBoss, Home of Professional Open Source * Copyright 2014, Red Hat, Inc., and individual contributors * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * http://www.apache.org/licenses/LICENSE-2.0 * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.jboss.weld.logging; import org.jboss.logging.annotations.Message; /** * JBoss Logging is not using message keys and so it's not possible to reference the message (a message method annotated with {@link Message}) and use it as a * method parameter or construct it lazily. This callback should be used to work around this limitation. * * Note that the method parameters are not checked and so the invocation may result in {@link ArrayIndexOutOfBoundsException}. * * @author Martin Kouba * @param <T> The type of the return value (either {@link String} or {@link Throwable}) * @see Message */ @FunctionalInterface public interface MessageCallback<T> { /** * Constructs the message or Throwable. * * @param params * @return the return value */ T construct(Object... params); }