| /* |
| * 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.accumulo.testing.core.randomwalk; |
| |
| import java.util.Properties; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Represents a point in graph of RandomFramework |
| */ |
| public abstract class Node { |
| |
| protected final Logger log = LoggerFactory.getLogger(this.getClass()); |
| long progress = System.currentTimeMillis(); |
| |
| /** |
| * Visits node |
| * |
| * @param state |
| * Random walk state passed between nodes |
| * @param env |
| * test environment |
| */ |
| public abstract void visit(State state, RandWalkEnv env, Properties props) throws Exception; |
| |
| @Override |
| public boolean equals(Object o) { |
| if (o == null) |
| return false; |
| return toString().equals(o.toString()); |
| } |
| |
| @Override |
| public String toString() { |
| return this.getClass().getName(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return toString().hashCode(); |
| } |
| |
| synchronized public void makingProgress() { |
| progress = System.currentTimeMillis(); |
| } |
| |
| synchronized public long lastProgress() { |
| return progress; |
| } |
| } |