/**
* 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.camel.model.loadbalancer;
import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlRootElement;
import javax.xml.bind.annotation.XmlTransient;
import org.apache.camel.model.LoadBalancerDefinition;
import org.apache.camel.processor.loadbalancer.LoadBalancer;
import org.apache.camel.spi.Metadata;
import org.apache.camel.spi.RouteContext;
import org.apache.camel.util.CamelContextHelper;
import org.apache.camel.util.ObjectHelper;
/**
* Custom load balancer
*/
@Metadata(label = "eip,routing,loadbalance")
@XmlRootElement(name = "customLoadBalancer")
@XmlAccessorType(XmlAccessType.FIELD)
public class CustomLoadBalancerDefinition extends LoadBalancerDefinition {
@XmlTransient
private LoadBalancer loadBalancer;
@XmlAttribute(required = true)
private String ref;
public CustomLoadBalancerDefinition() {
}
public String getRef() {
return ref;
}
/**
* Refers to the custom load balancer to lookup from the registry
*/
public void setRef(String ref) {
this.ref = ref;
}
public LoadBalancer getLoadBalancer() {
return loadBalancer;
}
/**
* The custom load balancer to use.
*/
public void setLoadBalancer(LoadBalancer loadBalancer) {
this.loadBalancer = loadBalancer;
}
@Override
protected LoadBalancer createLoadBalancer(RouteContext routeContext) {
if (loadBalancer != null) {
return loadBalancer;
}
ObjectHelper.notEmpty(ref, "ref", this);
return CamelContextHelper.mandatoryLookup(routeContext.getCamelContext(), ref, LoadBalancer.class);
}
@Override
public String toString() {
if (loadBalancer != null) {
return "CustomLoadBalancer[" + loadBalancer + "]";
} else {
return "CustomLoadBalancer[" + ref + "]";
}
}
}