| /* |
| * 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; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.yetus.audience.InterfaceAudience; |
| import org.apache.yetus.audience.InterfaceStability; |
| |
| /** |
| * Coprocessor environment state. |
| */ |
| @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC) |
| @InterfaceStability.Evolving |
| public interface CoprocessorEnvironment<C extends Coprocessor> { |
| |
| /** @return the Coprocessor interface version */ |
| int getVersion(); |
| |
| /** @return the HBase version as a string (e.g. "0.21.0") */ |
| String getHBaseVersion(); |
| |
| /** @return the loaded coprocessor instance */ |
| C getInstance(); |
| |
| /** @return the priority assigned to the loaded coprocessor */ |
| int getPriority(); |
| |
| /** @return the load sequence number */ |
| int getLoadSequence(); |
| |
| /** |
| * @return a Read-only Configuration; throws {@link UnsupportedOperationException} if you try |
| * to set a configuration. |
| */ |
| Configuration getConfiguration(); |
| |
| /** |
| * @return the classloader for the loaded coprocessor instance |
| */ |
| ClassLoader getClassLoader(); |
| } |