org.apache.camel.spi.ServiceCallServerListStrategy Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of camel-core Show documentation
Show all versions of camel-core Show documentation
The Core Camel Java DSL based router
/**
* 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.spi;
import java.util.List;
/**
* Allows SPIs to implement custom server list strategies for the Service Call EIP.
*
* @see ServiceCallLoadBalancer
* @see ServiceCallServer
*/
public interface ServiceCallServerListStrategy {
/**
* Gets the initial list of servers.
*
* This method may return null or an empty list.
*
* @param name the service name
*/
List getInitialListOfServers(String name);
/**
* Gets the updated list of servers.
*
* This method can either be called on-demand prior to a service call, or have
* a background job that is scheduled to update the list, or a watcher
* that triggers when the list of servers changes.
*
* @param name the service name
*/
List getUpdatedListOfServers(String name);
}