001/* 002 * (C) Copyright 2019 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * bdelbosc 018 */ 019package org.nuxeo.runtime.stream; 020 021import java.io.IOException; 022import java.sql.SQLException; 023import java.util.concurrent.TimeUnit; 024import java.util.concurrent.TimeoutException; 025 026import org.nuxeo.lib.stream.computation.ComputationPolicy; 027import org.nuxeo.lib.stream.computation.ComputationPolicyBuilder; 028 029import net.jodah.failsafe.RetryPolicy; 030 031/** 032 * A Computation policy that can be use for Nuxeo. 033 * 034 * @since 11.1 035 */ 036public class DefaultNuxeoComputationPolicy implements StreamComputationPolicy { 037 038 @Override 039 public ComputationPolicy getPolicy(StreamProcessorDescriptor.PolicyDescriptor descriptor) { 040 RetryPolicy retryPolicy = new RetryPolicy().withMaxRetries(descriptor.maxRetries) 041 .withBackoff(descriptor.delay.toMillis(), 042 descriptor.maxDelay.toMillis(), TimeUnit.MILLISECONDS); 043 // NuxeoException and ConcurrentUpdateException are assignable from RuntimeException 044 retryPolicy.retryOn(RuntimeException.class, TimeoutException.class, IOException.class, SQLException.class); 045 ComputationPolicyBuilder builder = descriptor.createPolicyBuilder(); 046 builder.retryPolicy(retryPolicy); 047 return builder.build(); 048 } 049}