| /* |
| * 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.state; |
| |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axis2.AxisFault; |
| import org.apache.axis2.clustering.ClusteringFault; |
| import org.apache.axis2.clustering.state.commands.StateClusteringCommandCollection; |
| import org.apache.axis2.clustering.tribes.ChannelSender; |
| import org.apache.axis2.context.AbstractContext; |
| import org.apache.axis2.context.ConfigurationContext; |
| import org.apache.axis2.context.ServiceContext; |
| import org.apache.axis2.context.ServiceGroupContext; |
| import org.apache.axis2.description.Parameter; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * This class is the defaut StateManager of the Apache Tribes based clustering implementation |
| */ |
| public class DefaultStateManager implements StateManager { |
| |
| private final Map<String, Parameter> parameters = new HashMap<String, Parameter>(); |
| |
| private ChannelSender sender; |
| |
| private final Map<String, List> excludedReplicationPatterns = new HashMap<String, List>(); |
| |
| //TODO: Try to use an interface |
| public void setSender(ChannelSender sender) { |
| this.sender = sender; |
| } |
| |
| public DefaultStateManager() { |
| } |
| |
| public void updateContext(AbstractContext context) throws ClusteringFault { |
| StateClusteringCommand cmd = |
| StateClusteringCommandFactory.getUpdateCommand(context, |
| excludedReplicationPatterns, |
| false); |
| if (cmd != null) { |
| sender.sendToGroup(cmd); |
| } |
| } |
| |
| public void updateContext(AbstractContext context, |
| String[] propertyNames) throws ClusteringFault { |
| StateClusteringCommand cmd = |
| StateClusteringCommandFactory.getUpdateCommand(context, propertyNames); |
| if (cmd != null) { |
| sender.sendToGroup(cmd); |
| } |
| } |
| |
| public void updateContexts(AbstractContext[] contexts) throws ClusteringFault { |
| StateClusteringCommandCollection cmd = |
| StateClusteringCommandFactory.getCommandCollection(contexts, |
| excludedReplicationPatterns); |
| if (!cmd.isEmpty()) { |
| sender.sendToGroup(cmd); |
| } |
| } |
| |
| public void replicateState(StateClusteringCommand command) throws ClusteringFault { |
| sender.sendToGroup(command); |
| } |
| |
| public void removeContext(AbstractContext context) throws ClusteringFault { |
| StateClusteringCommand cmd = StateClusteringCommandFactory.getRemoveCommand(context); |
| sender.sendToGroup(cmd); |
| } |
| |
| public boolean isContextClusterable(AbstractContext context) { |
| return (context instanceof ConfigurationContext) || |
| (context instanceof ServiceContext) || |
| (context instanceof ServiceGroupContext); |
| } |
| |
| public void setConfigurationContext(ConfigurationContext configurationContext) { |
| // Nothing to do here |
| } |
| |
| public void setReplicationExcludePatterns(String contextType, List patterns) { |
| excludedReplicationPatterns.put(contextType, patterns); |
| } |
| |
| public Map getReplicationExcludePatterns() { |
| return excludedReplicationPatterns; |
| } |
| |
| // ---------------------- Methods from ParameterInclude ---------------------------------------- |
| public void addParameter(Parameter param) throws AxisFault { |
| parameters.put(param.getName(), param); |
| } |
| |
| public void removeParameter(Parameter param) throws AxisFault { |
| parameters.remove(param.getName()); |
| } |
| |
| public Parameter getParameter(String name) { |
| return parameters.get(name); |
| } |
| |
| public ArrayList getParameters() { |
| ArrayList<Parameter> list = new ArrayList<Parameter>(); |
| for (String msg : parameters.keySet()) { |
| list.add(parameters.get(msg)); |
| } |
| return list; |
| } |
| |
| public boolean isParameterLocked(String parameterName) { |
| return getParameter(parameterName).isLocked(); |
| } |
| |
| public void deserializeParameters(OMElement parameterElement) throws AxisFault { |
| throw new UnsupportedOperationException(); |
| } |
| // --------------------------------------------------------------------------------------------- |
| } |