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/tags/release-0.0.0-rc0/hive/external/metastore/src/java/org/apache/hadoop/hive/metastore/HiveMetaHookLoader.java

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Java | 39 lines | 6 code | 4 blank | 29 comment | 0 complexity | d32f10dabbb77a103f753056edbcf45d MD5 | raw file
Possible License(s): Apache-2.0, BSD-3-Clause, JSON, CPL-1.0 
    

  1. /**
    2. 

  2.  * Licensed to the Apache Software Foundation (ASF) under one
    3. 

  3.  * or more contributor license agreements.  See the NOTICE file
    4. 

  4.  * distributed with this work for additional information
    5. 

  5.  * regarding copyright ownership.  The ASF licenses this file
    6. 

  6.  * to you under the Apache License, Version 2.0 (the
    7. 

  7.  * "License"); you may not use this file except in compliance
    8. 

  8.  * with the License.  You may obtain a copy of the License at
    9. 

  9.  *
    10. 

  10.  *     http://www.apache.org/licenses/LICENSE-2.0
    11. 

  11.  *
    12. 

  12.  * Unless required by applicable law or agreed to in writing, software
    13. 

  13.  * distributed under the License is distributed on an "AS IS" BASIS,
    14. 

  14.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15. 

  15.  * See the License for the specific language governing permissions and
    16. 

  16.  * limitations under the License.
    17. 

  17.  */
    18. 

  18. 

  19. package org.apache.hadoop.hive.metastore;
    20. 

  20. 

  21. import org.apache.hadoop.hive.metastore.api.MetaException;
    22. 

  22. import org.apache.hadoop.hive.metastore.api.Table;
    23. 

  23. 

  24. /**
    25. 

  25.  * HiveMetaHookLoader is responsible for loading a {@link HiveMetaHook}
    26. 

  26.  * for a given table.
    27. 

  27.  */
    28. 

  28. public interface HiveMetaHookLoader {
    29. 

  29.   /**
    30. 

  30.    * Loads a hook for the specified table.
    31. 

  31.    *
    32. 

  32.    * @param tbl table of interest
    33. 

  33.    *
    34. 

  34.    * @return hook, or null if none registered
    35. 

  35.    */
    36. 

  36.   public HiveMetaHook getHook(Table tbl) throws MetaException;
    37. 

  37. }
    38. 

  38. 

  39. // End HiveMetaHookLoader.java
    40. 

  40.