1 /** 2 * Licensed to jclouds, Inc. (jclouds) under one or more 3 * contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. jclouds licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.jclouds.concurrent; 20 21 import static java.lang.annotation.ElementType.METHOD; 22 import static java.lang.annotation.ElementType.TYPE; 23 import static java.lang.annotation.RetentionPolicy.RUNTIME; 24 25 import java.lang.annotation.Retention; 26 import java.lang.annotation.Target; 27 import java.util.concurrent.Future; 28 import java.util.concurrent.TimeUnit; 29 30 /** 31 * 32 * This class or method has a timeout used for synchronous calls. 33 * 34 * @see TimeUnit 35 * @see Future#get(long,TimeUnit) 36 * @author Adrian Cole 37 */ 38 @Target( { TYPE, METHOD }) 39 @Retention(RUNTIME) 40 public @interface Timeout { 41 long duration(); 42 43 TimeUnit timeUnit(); 44 }