/*
* 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.axis2.clustering.tribes;
import org.apache.axis2.clustering.ClusteringConstants;
import org.apache.axis2.clustering.ClusteringFault;
import org.apache.axis2.clustering.control.AckCommand;
import org.apache.axis2.clustering.control.ControlCommand;
import org.apache.axis2.clustering.control.GetStateCommand;
import org.apache.axis2.clustering.control.GetStateResponseCommand;
import org.apache.axis2.clustering.control.GetConfigurationCommand;
import org.apache.axis2.clustering.control.GetConfigurationResponseCommand;
import org.apache.axis2.context.ConfigurationContext;
import org.apache.catalina.tribes.Member;
/**
*
*/
public class TribesControlCommandProcessor {
private ConfigurationContext configurationContext;
private ChannelSender channelSender;
public void setChannelSender(ChannelSender channelSender) {
this.channelSender = channelSender;
}
public TribesControlCommandProcessor(ConfigurationContext configurationContext) {
this.configurationContext = configurationContext;
}
public void setConfigurationContext(ConfigurationContext configurationContext) {
this.configurationContext = configurationContext;
}
public void process(ControlCommand command, Member sender) throws ClusteringFault {
if (command instanceof GetStateCommand) {
// If a GetStateRequest is received by a node which has not yet initialized
// this node cannot send a response to the state requester. So we simply return.
if (configurationContext.
getPropertyNonReplicable(ClusteringConstants.CLUSTER_INITIALIZED) == null) {
return;
}
command.execute(configurationContext);
GetStateResponseCommand getStateRespCmd = new GetStateResponseCommand();
getStateRespCmd.setCommands(((GetStateCommand) command).getCommands());
channelSender.sendToMember(getStateRespCmd, sender);
} else if (command instanceof GetConfigurationCommand) {
// If a GetConfigurationCommand is received by a node which has not yet initialized
// this node cannot send a response to the state requester. So we simply return.
if (configurationContext.
getPropertyNonReplicable(ClusteringConstants.CLUSTER_INITIALIZED) == null) {
return;
}
command.execute(configurationContext);
GetConfigurationResponseCommand
getConfigRespCmd = new GetConfigurationResponseCommand();
getConfigRespCmd.
setServiceGroups(((GetConfigurationCommand) command).getServiceGroupNames());
channelSender.sendToMember(getConfigRespCmd, sender);
} else if (command instanceof AckCommand) {
AckCommand cmd = (AckCommand) command;
cmd.setMemberId(TribesUtil.getHost(sender));
cmd.execute(configurationContext);
} else {
command.execute(configurationContext);
}
}
}