01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: *
17: * $Header:$
18: */
19: package org.apache.beehive.controls.api.versioning;
20:
21: import java.lang.annotation.ElementType;
22: import java.lang.annotation.Retention;
23: import java.lang.annotation.RetentionPolicy;
24: import java.lang.annotation.Target;
25:
26: /**
27: * Used by the control author to specify the version (major.minor) of the control interface.
28: * Allowed on interfaces annotated with @ControlInterface. This version number
29: * is the basis for control versioning, and versioning constraints against it are enforced both at
30: * compile time and runtime.
31: */
32: @Retention(RetentionPolicy.RUNTIME)
33: @Target({ElementType.TYPE})
34: public @interface Version {
35: /**
36: * Major version number, typically used to track significant functionality changes.
37: */
38: int major();
39:
40: /**
41: * Minor version number, typically used to track small internal changes/fixes. Version
42: * constraints default to ignoring the minor version number in their comparisons, but may
43: * be configured to specify a particular minor version.
44: */
45: int minor() default 0;
46: }
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