1 /*
2 * Copyright 2010 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
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
17 package org.callbackparams.combine.annotation;
18
19 import java.lang.annotation.Documented;
20 import java.lang.annotation.ElementType;
21 import java.lang.annotation.Inherited;
22 import java.lang.annotation.Retention;
23 import java.lang.annotation.RetentionPolicy;
24 import java.lang.annotation.Target;
25 import org.callbackparams.combine.CombineStrategy;
26
27 /**
28 * Using this annotation is the recommended practise for configuring the
29 * automated combining of callback-values into callback-records.
30 * @see CombineStrategy
31 *
32 * @author Henrik Kaipe
33 */
34 @Retention(RetentionPolicy.RUNTIME)
35 @Target(ElementType.TYPE)
36 @Inherited
37 @Documented
38 public @interface CombineConfig {
39
40 /**
41 * Specifies the combine-strategy implementation class.
42 * The specified class must have a default (no-arg) constructor.
43 */
44 Class<? extends CombineStrategy> strategy();
45
46 /**
47 * @see CombineStrategy#setMaxCount(int)
48 */
49 int maxCount() default -1;
50
51 /**
52 * @see CombineStrategy#setRandomSeed(long)
53 */
54 long randomSeed() default -1;
55 }