<!--
  ~  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.
  -->

<!-- Session affinity load balancing between fail over endpoints.
        (If endpoint servers maintain session specific data,
        such data have to replicated among the failover endpoints) -->
<definitions xmlns="http://ws.apache.org/ns/synapse">

    <sequence name="main" onError="errorHandler">
        <in>
            <send>
                <endpoint>
                    <!-- specify the session as the simple client session provided by Synapse for
                    testing purpose -->
                    <session type="simpleClientSession"/>

                    <loadbalance>
                        <endpoint>
                            <failover>
                                <endpoint>
                                    <address uri="http://localhost:9001/soap/LBService1">
                                        <enableAddressing/>
                                    </address>
                                </endpoint>
                                <endpoint>
                                    <address uri="http://localhost:9002/soap/LBService1">
                                        <enableAddressing/>
                                    </address>
                                </endpoint>
                            </failover>
                        </endpoint>
                        <endpoint>
                            <failover>
                                <endpoint>
                                    <address uri="http://localhost:9003/soap/LBService1">
                                        <enableAddressing/>
                                    </address>
                                </endpoint>
                                <endpoint>
                                    <address uri="http://localhost:9004/soap/LBService1">
                                        <enableAddressing/>
                                    </address>
                                </endpoint>
                            </failover>
                        </endpoint>
                    </loadbalance>
                </endpoint>
            </send>
            <drop/>
        </in>

        <out>
            <!-- Send the messages where they have been sent (i.e. implicit To EPR) -->
            <send/>
        </out>
    </sequence>

    <sequence name="errorHandler">

        <makefault>
            <code value="tns:Receiver" xmlns:tns="http://www.w3.org/2003/05/soap-envelope"/>
            <reason value="COULDN'T SEND THE MESSAGE TO THE SERVER."/>
        </makefault>

        <header name="To" action="remove"/>
        <property name="RESPONSE" value="true"/>

        <send/>
    </sequence>

</definitions>