`UIThreadHandler.java`
`01 /* 02 * Copyright 2009-2012 the original author or authors. 03 * 04 * Licensed under the Apache License, Version 2.0 (the "License"); 05 * you may not use this file except in compliance with the License. 06 * You may obtain a copy of the License at 07 * 08 * http://www.apache.org/licenses/LICENSE-2.0 09 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package griffon.util; 17 18 /** 19 * Manages execution of code in an specific thread.<p> 20 * On Swing/AWT applications this would be the EDT. Other toolkits 21 * may use a different thread. 22 * 23 * @author Andres Almiray 24 */ 25 public interface UIThreadHandler { 26 /** 27 * True if the current thread is the UI thread. 28 */ 29 boolean isUIThread(); 30 31 /** 32 * Executes a code block asynchronously on the UI thread. 33 */ 34 void executeAsync(Runnable runnable); 35 36 /** 37 * Executes a code block synchronously on the UI thread. 38 */ 39 void executeSync(Runnable runnable); 40 41 /** 42 * Executes a code block outside of the UI thread. 43 */ 44 void executeOutside(Runnable runnable); 45 }`