wchevreuil commented on a change in pull request #3932: URL: https://github.com/apache/hbase/pull/3932#discussion_r768770397
########## File path: hbase-it/src/test/java/org/apache/hadoop/hbase/chaos/factories/ConfigurableSlowDeterministicMonkeyFactory.java ########## @@ -0,0 +1,98 @@ +/** + * 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.chaos.factories; + +import org.apache.hadoop.hbase.TableName; +import org.apache.hadoop.hbase.chaos.actions.Action; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.lang.reflect.Constructor; +import java.util.function.Function; + +public class ConfigurableSlowDeterministicMonkeyFactory extends SlowDeterministicMonkeyFactory { + + private static final Logger LOG = + LoggerFactory.getLogger(ConfigurableSlowDeterministicMonkeyFactory.class); + + final static String HEAVY_ACTIONS = "heavy.actions"; + final static String TABLE_PARAM = "\\$table_name"; + + public enum SupportedTypes { + FLOAT(p->Float.parseFloat(p)), + LONG(p-> Long.parseLong(p)), + INT(p-> Integer.parseInt(p)), + TABLENAME(p-> TableName.valueOf(p)); + + final Function<String,Object> converter; + + SupportedTypes(Function<String,Object> converter){ + this.converter = converter; + } + + Object convert(String param){ + return converter.apply(param); + } + } + + @Override + protected Action[] getHeavyWeightedActions() { + String actions = this.properties.getProperty(HEAVY_ACTIONS); + if( actions==null||actions.isEmpty() ){ + return super.getHeavyWeightedActions(); + } else { + try { + String[] actionClasses = actions.split(";"); + Action[] heavyActions = new Action[actionClasses.length]; + for (int i = 0; i < actionClasses.length; i++) { + heavyActions[i] = instantiateAction(actionClasses[i]); + } + LOG.info("Created actions {}", heavyActions); + return heavyActions; + } catch(Exception e) { + LOG.error("Error trying to instantiate heavy actions. Returning null array.", e); + } + return null; + } + } + + private Action instantiateAction(String actionString) throws Exception { + final String packageName = "org.apache.hadoop.hbase.chaos.actions"; + String[] classAndParams = actionString.split("\\)")[0].split("\\("); + String className = packageName + "." + classAndParams[0]; + String[] params = classAndParams[1].replaceAll(TABLE_PARAM, + tableName.getNameAsString()).split(","); + Class<? extends Action> actionClass = (Class<? extends Action>)Class.forName(className); Review comment: Good idea. Let me add it. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
