Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.commons.scxml; import java.util.List; import java.util.Map; import org.w3c.dom.Node; /** * The event controller interface used to send messages containing * events or other information directly to another SCXML Interpreter, * other external systems using an Event I/O Processor or to raise * events in the current SCXML session. * */ public interface EventDispatcher { /** * Cancel the specified send message. * * @param sendId The ID of the send message to cancel */ void cancel(String sendId); /** * Send this message to the target. * * @param sendId The ID of the send message * @param target An expression returning the target location of the event * @param type The type of the Event I/O Processor that the event should * be dispatched to * @param event The type of event being generated. * @param params A list of zero or more whitespace separated variable * names to be included with the event. * @param hints The data containing information which may be * used by the implementing platform to configure the event processor * @param delay The event is dispatched after the delay interval elapses * @param externalNodes The list of external nodes associated with * the <send> element. */ void send(String sendId, String target, String type, String event, Map<String, Object> params, Object hints, long delay, List<Node> externalNodes); }