/**
* 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.hbase.master.procedure;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
/**
* Procedures that operates on a specific Table (e.g. create, delete, snapshot, ...)
* must implement this interface to allow the system handle the lock/concurrency problems.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public interface TableProcedureInterface {
public enum TableOperationType {
CREATE, DELETE, DISABLE, EDIT, ENABLE, READ,
REGION_EDIT, SPLIT, MERGE, ASSIGN, UNASSIGN, /* region operations */
};
/**
* @return the name of the table the procedure is operating on
*/
TableName getTableName();
/**
* Given an operation type we can take decisions about what to do with pending operations.
* e.g. if we get a delete and we have some table operation pending (e.g. add column)
* we can abort those operations.
* @return the operation type that the procedure is executing.
*/
TableOperationType getTableOperationType();
}