| /* |
| * |
| * 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.qpid.server.model.adapter; |
| |
| import java.security.AccessControlException; |
| import java.security.Principal; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.qpid.protocol.AMQConstant; |
| import org.apache.qpid.server.model.ConfiguredObject; |
| import org.apache.qpid.server.model.Connection; |
| import org.apache.qpid.server.model.LifetimePolicy; |
| import org.apache.qpid.server.model.Port; |
| import org.apache.qpid.server.model.Session; |
| import org.apache.qpid.server.model.State; |
| import org.apache.qpid.server.model.Statistics; |
| import org.apache.qpid.server.model.UUIDGenerator; |
| import org.apache.qpid.server.configuration.updater.TaskExecutor; |
| import org.apache.qpid.server.protocol.AMQConnectionModel; |
| import org.apache.qpid.server.protocol.AMQSessionModel; |
| import org.apache.qpid.server.stats.StatisticsGatherer; |
| |
| final class ConnectionAdapter extends AbstractAdapter implements Connection |
| { |
| private AMQConnectionModel _connection; |
| |
| private final Map<AMQSessionModel, SessionAdapter> _sessionAdapters = |
| new HashMap<AMQSessionModel, SessionAdapter>(); |
| private final Statistics _statistics; |
| |
| public ConnectionAdapter(final AMQConnectionModel conn, TaskExecutor taskExecutor) |
| { |
| super(UUIDGenerator.generateRandomUUID(), taskExecutor); |
| _connection = conn; |
| _statistics = new ConnectionStatisticsAdapter(conn); |
| } |
| |
| public Collection<Session> getSessions() |
| { |
| List<AMQSessionModel> actualSessions = _connection.getSessionModels(); |
| |
| synchronized (_sessionAdapters) |
| { |
| Iterator<AMQSessionModel> iterator = _sessionAdapters.keySet().iterator(); |
| while(iterator.hasNext()) |
| { |
| AMQSessionModel session = iterator.next(); |
| if(!actualSessions.contains(session)) |
| { |
| SessionAdapter adapter = _sessionAdapters.get(session); |
| iterator.remove(); |
| |
| childRemoved(adapter); // Trigger corresponding ConfigurationChangeListener childRemoved() callback. |
| } |
| } |
| |
| for(AMQSessionModel session : actualSessions) |
| { |
| if(!_sessionAdapters.containsKey(session)) |
| { |
| SessionAdapter adapter = new SessionAdapter(session, getTaskExecutor()); |
| _sessionAdapters.put(session, adapter); |
| childAdded(adapter); // Trigger corresponding ConfigurationChangeListener childAdded() callback. |
| } |
| } |
| |
| return new ArrayList<Session>(_sessionAdapters.values()); |
| } |
| } |
| |
| /** |
| * Retrieve the SessionAdapter instance keyed by the AMQSessionModel from this Connection. |
| * @param session the AMQSessionModel used to index the SessionAdapter. |
| * @return the requested SessionAdapter. |
| */ |
| SessionAdapter getSessionAdapter(AMQSessionModel session) |
| { |
| synchronized (_sessionAdapters) |
| { |
| getSessions(); // Call getSessions() first to ensure _sessionAdapters state is up to date with actualSessions. |
| return _sessionAdapters.get(session); |
| } |
| } |
| |
| public void delete() |
| { |
| _connection.close(AMQConstant.CONNECTION_FORCED, "Connection closed by external action"); |
| } |
| |
| public String getName() |
| { |
| final String remoteAddressString = _connection.getRemoteAddressString(); |
| return remoteAddressString.replaceAll("/",""); |
| } |
| |
| public String setName(final String currentName, final String desiredName) |
| throws IllegalStateException, AccessControlException |
| { |
| return null; //TODO |
| } |
| |
| public State getActualState() |
| { |
| return null; //TODO |
| } |
| |
| public boolean isDurable() |
| { |
| return false; //TODO |
| } |
| |
| public void setDurable(final boolean durable) |
| throws IllegalStateException, AccessControlException, IllegalArgumentException |
| { |
| //TODO |
| } |
| |
| public LifetimePolicy getLifetimePolicy() |
| { |
| return null; //TODO |
| } |
| |
| public LifetimePolicy setLifetimePolicy(final LifetimePolicy expected, final LifetimePolicy desired) |
| throws IllegalStateException, AccessControlException, IllegalArgumentException |
| { |
| return null; //TODO |
| } |
| |
| public long getTimeToLive() |
| { |
| return 0; //TODO |
| } |
| |
| public long setTimeToLive(final long expected, final long desired) |
| throws IllegalStateException, AccessControlException, IllegalArgumentException |
| { |
| return 0; //TODO |
| } |
| |
| @Override |
| public Object getAttribute(String name) |
| { |
| |
| if(name.equals(ID)) |
| { |
| return getId(); |
| } |
| else if (name.equals(NAME)) |
| { |
| return getName(); |
| } |
| else if(name.equals(CLIENT_ID)) |
| { |
| return _connection.getClientId(); |
| } |
| else if(name.equals(CLIENT_VERSION)) |
| { |
| return _connection.getClientVersion(); |
| } |
| else if(name.equals(INCOMING)) |
| { |
| return true; |
| } |
| else if(name.equals(LOCAL_ADDRESS)) |
| { |
| |
| } |
| else if(name.equals(PRINCIPAL)) |
| { |
| final Principal authorizedPrincipal = _connection.getAuthorizedPrincipal(); |
| return authorizedPrincipal == null ? null : authorizedPrincipal.getName(); |
| } |
| else if(name.equals(PROPERTIES)) |
| { |
| |
| } |
| else if(name.equals(REMOTE_ADDRESS)) |
| { |
| return _connection.getRemoteAddressString(); |
| } |
| else if(name.equals(REMOTE_PROCESS_NAME)) |
| { |
| |
| } |
| else if(name.equals(REMOTE_PROCESS_PID)) |
| { |
| |
| } |
| else if(name.equals(SESSION_COUNT_LIMIT)) |
| { |
| return _connection.getSessionCountLimit(); |
| } |
| else if(name.equals(TRANSPORT)) |
| { |
| return String.valueOf(_connection.getTransport()); |
| } |
| else if(name.equals(PORT)) |
| { |
| Port port = _connection.getPort(); |
| return String.valueOf(port == null ? null : port.getName()); |
| } |
| return super.getAttribute(name); |
| } |
| |
| @Override |
| public Collection<String> getAttributeNames() |
| { |
| final HashSet<String> attrNames = new HashSet<String>(super.getAttributeNames()); |
| attrNames.addAll(Connection.AVAILABLE_ATTRIBUTES); |
| return Collections.unmodifiableCollection(attrNames); |
| } |
| |
| public Statistics getStatistics() |
| { |
| return _statistics; |
| } |
| |
| @Override |
| public <C extends ConfiguredObject> Collection<C> getChildren(Class<C> clazz) |
| { |
| if(clazz == Session.class) |
| { |
| return (Collection<C>) getSessions(); |
| } |
| else |
| { |
| return Collections.emptySet(); |
| } |
| } |
| |
| @Override |
| public <C extends ConfiguredObject> C addChild(Class<C> childClass, Map<String, Object> attributes, ConfiguredObject... otherParents) |
| { |
| if(childClass == Session.class) |
| { |
| throw new IllegalStateException(); |
| } |
| else |
| { |
| throw new IllegalArgumentException("Cannot create a child of class " + childClass.getSimpleName()); |
| } |
| |
| } |
| |
| private class ConnectionStatisticsAdapter extends StatisticsAdapter |
| { |
| public ConnectionStatisticsAdapter(StatisticsGatherer applicationRegistry) |
| { |
| super(applicationRegistry); |
| } |
| |
| @Override |
| public Collection<String> getStatisticNames() |
| { |
| return Connection.AVAILABLE_STATISTICS; |
| } |
| |
| @Override |
| public Object getStatistic(String name) |
| { |
| if(LAST_IO_TIME.equals(name)) |
| { |
| return _connection.getLastIoTime(); |
| } |
| else if(SESSION_COUNT.equals(name)) |
| { |
| return _connection.getSessionModels().size(); |
| } |
| return super.getStatistic(name); |
| } |
| } |
| |
| @Override |
| protected boolean setState(State currentState, State desiredState) |
| { |
| // TODO: add state management |
| return false; |
| } |
| |
| @Override |
| public Object setAttribute(final String name, final Object expected, final Object desired) throws IllegalStateException, |
| AccessControlException, IllegalArgumentException |
| { |
| throw new UnsupportedOperationException("Changing attributes on connection is not supported."); |
| } |
| |
| @Override |
| public void setAttributes(final Map<String, Object> attributes) throws IllegalStateException, AccessControlException, |
| IllegalArgumentException |
| { |
| throw new UnsupportedOperationException("Changing attributes on connection is not supported."); |
| } |
| } |