| /******************************************************************************* |
| * Copyright (C) 2007 The University of Manchester |
| * |
| * Modifications to the initial code base are copyright of their |
| * respective authors, or their employers as appropriate. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public License |
| * as published by the Free Software Foundation; either version 2.1 of |
| * the License, or (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| ******************************************************************************/ |
| package net.sf.taverna.t2.workflowmodel.processor.dispatch.layers; |
| |
| public class RetryConfig { |
| |
| private float backoffFactor = 1f; |
| private int initialDelay = 1000; |
| private int maxDelay = 2000; |
| private int maxRetries = 0; |
| |
| /** |
| * Factor by which the initial delay is multiplied for each retry after the |
| * first, this allows for exponential backoff of retry times up to a certain |
| * ceiling |
| * |
| * @return |
| */ |
| public float getBackoffFactor() { |
| return this.backoffFactor; |
| } |
| |
| /** |
| * Delay in milliseconds between the initial failure message and the first |
| * attempt to retry the failed job |
| * |
| * @return |
| */ |
| public int getInitialDelay() { |
| return this.initialDelay; |
| } |
| |
| /** |
| * Maximum delay in milliseconds between failure reception and retry. This |
| * acts as a ceiling for the exponential backoff factor allowing the retry |
| * delay to initially increase to a certain value then remain constant after |
| * that point rather than exploding to unreasonable levels. |
| */ |
| public int getMaxDelay() { |
| return this.maxDelay; |
| } |
| |
| /** |
| * Maximum number of retries for a failing process |
| * |
| * @return |
| */ |
| public int getMaxRetries() { |
| return this.maxRetries; |
| } |
| |
| public void setBackoffFactor(float factor) { |
| this.backoffFactor = factor; |
| } |
| |
| public void setInitialDelay(int delay) { |
| this.initialDelay = delay; |
| } |
| |
| public void setMaxDelay(int delay) { |
| this.maxDelay = delay; |
| } |
| |
| public void setMaxRetries(int max) { |
| this.maxRetries = max; |
| } |
| |
| |
| } |