1 /** 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 package org.apache.hadoop.hbase.procedure; 19 20 import org.apache.hadoop.hbase.classification.InterfaceAudience; 21 22 /** 23 * Task builder to build instances of a {@link ProcedureMember}'s {@link Subprocedure}s. 24 */ 25 @InterfaceAudience.Private 26 public interface SubprocedureFactory { 27 28 /** 29 * Build {@link Subprocedure} when requested. 30 * @param procName name of the procedure associated with this subprocedure 31 * @param procArgs arguments passed from the coordinator about the procedure 32 * @return {@link Subprocedure} to run or <tt>null</tt> if the no operation should be run 33 * @throws IllegalArgumentException if the operation could not be run because of errors in the 34 * request 35 * @throws IllegalStateException if the current runner cannot accept any more new requests 36 */ buildSubprocedure(String procName, byte[] procArgs)37 Subprocedure buildSubprocedure(String procName, byte[] procArgs); 38 } 39