/**
* 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.procedure;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
/**
* Task builder to build instances of a {@link ProcedureMember}'s {@link Subprocedure}s.
*/
@InterfaceAudience.Private
public interface SubprocedureFactory {
/**
* Build {@link Subprocedure} when requested.
* @param procName name of the procedure associated with this subprocedure
* @param procArgs arguments passed from the coordinator about the procedure
* @return {@link Subprocedure} to run or <tt>null</tt> if the no operation should be run
* @throws IllegalArgumentException if the operation could not be run because of errors in the
* request
* @throws IllegalStateException if the current runner cannot accept any more new requests
*/
Subprocedure buildSubprocedure(String procName, byte[] procArgs);
}