001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.camel.model.loadbalancer;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlRootElement;
023
024 import org.apache.camel.RuntimeCamelException;
025 import org.apache.camel.processor.loadbalancer.FailOverLoadBalancer;
026 import org.apache.camel.processor.loadbalancer.LoadBalancer;
027 import org.apache.camel.spi.RouteContext;
028 import org.apache.camel.util.ObjectHelper;
029
030 @XmlRootElement(name = "failOver")
031 @XmlAccessorType(XmlAccessType.FIELD)
032 public class FailOverLoadBalanceStrategy extends LoadBalancerDefinition {
033 @XmlAttribute
034 private String failedException;
035
036 @Override
037 protected LoadBalancer createLoadBalancer(RouteContext routeContext) {
038 if (ObjectHelper.isNotEmpty(failedException)) {
039 Class failExceptionClazz = ObjectHelper.loadClass(failedException);
040 if (failExceptionClazz == null) {
041 throw new RuntimeCamelException("Cannot find failException: " + failedException + " to be used with this FailOverLoadBalancer");
042 }
043 return new FailOverLoadBalancer(failExceptionClazz);
044 } else {
045 return new FailOverLoadBalancer();
046 }
047 }
048
049 public void setFailedException(String exceptionName) {
050 failedException = exceptionName;
051 }
052
053 public String getFailedException() {
054 return failedException;
055 }
056
057
058 }