JdbcMapper/beehive-controls/src/main/java/org/apache/beehive/controls/api/versioning/Version.java

47 lines
1.8 KiB
Java

/*
* 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.
*
* $Header:$
*/
package org.apache.beehive.controls.api.versioning;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Used by the control author to specify the version (major.minor) of the control interface.
* Allowed on interfaces annotated with @ControlInterface. This version number
* is the basis for control versioning, and versioning constraints against it are enforced both at
* compile time and runtime.
*/
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.TYPE})
public @interface Version
{
/**
* Major version number, typically used to track significant functionality changes.
*/
int major();
/**
* Minor version number, typically used to track small internal changes/fixes. Version
* constraints default to ignoring the minor version number in their comparisons, but may
* be configured to specify a particular minor version.
*/
int minor() default 0;
}