HadoopVersionAnnotation.java
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上传日期:2018-01-08
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- /*
- * 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.
- */
- package org.apache.hadoop;
- import java.lang.annotation.*;
- /**
- * A package attribute that captures the version of Hadoop that was compiled.
- */
- @Retention(RetentionPolicy.RUNTIME)
- @Target(ElementType.PACKAGE)
- public @interface HadoopVersionAnnotation {
-
- /**
- * Get the Hadoop version
- * @return the version string "0.6.3-dev"
- */
- String version();
-
- /**
- * Get the username that compiled Hadoop.
- */
- String user();
-
- /**
- * Get the date when Hadoop was compiled.
- * @return the date in unix 'date' format
- */
- String date();
-
- /**
- * Get the url for the subversion repository.
- */
- String url();
-
- /**
- * Get the subversion revision.
- * @return the revision number as a string (eg. "451451")
- */
- String revision();
- }