1 files changed, 293 insertions, 0 deletions
diff --git a/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/SessionAdapter.java b/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/SessionAdapter.java
new file mode 100644
index 0000000000..31ce7e56fd
--- /dev/null
+++ b/qpid/java/broker-core/src/main/java/org/apache/qpid/server/model/adapter/SessionAdapter.java
@@ -0,0 +1,293 @@
+/*
+ *
+ * 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.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+
+import java.util.Map;
+import org.apache.qpid.server.model.ConfiguredObject;
+import org.apache.qpid.server.model.LifetimePolicy;
+import org.apache.qpid.server.model.Publisher;
+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.Consumer;
+import org.apache.qpid.server.model.UUIDGenerator;
+import org.apache.qpid.server.subscription.Subscription;
+import org.apache.qpid.server.configuration.updater.TaskExecutor;
+import org.apache.qpid.server.protocol.AMQSessionModel;
+
+final class SessionAdapter extends AbstractAdapter implements Session
+{
+    // Attributes
+
+
+    private AMQSessionModel _session;
+    private SessionStatistics _statistics;
+    private Map<Subscription, ConsumerAdapter> _consumerAdapters = new HashMap<Subscription, ConsumerAdapter>();
+
+    public SessionAdapter(final AMQSessionModel session, TaskExecutor taskExecutor)
+    {
+        super(UUIDGenerator.generateRandomUUID(), taskExecutor);
+        _session = session;
+        _statistics = new SessionStatistics();
+    }
+
+    public Collection<Consumer> getSubscriptions()
+    {
+        synchronized (_consumerAdapters)
+        {
+            return new ArrayList<Consumer>(_consumerAdapters.values());
+        }
+    }
+
+    public Collection<Publisher> getPublishers()
+    {
+        return null;  //TODO
+    }
+
+    public String getName()
+    {
+        return String.valueOf(_session.getChannelId());
+    }
+
+    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
+    }
+
+    /**
+     * Register a ConsumerAdapter (Subscription) with this Session keyed by the Subscription.
+     * @param subscription the org.apache.qpid.server.subscription.Subscription used to key the ConsumerAdapter.
+     * @param adapter the registered ConsumerAdapter.
+     */
+    void subscriptionRegistered(Subscription subscription, ConsumerAdapter adapter)
+    {
+        synchronized (_consumerAdapters)
+        {
+            _consumerAdapters.put(subscription, adapter);
+        }
+        childAdded(adapter);
+    }
+
+    /**
+     * Unregister a ConsumerAdapter (Subscription) with this Session keyed by the Subscription.
+     * @param subscription the org.apache.qpid.server.subscription.Subscription used to key the ConsumerAdapter.
+     */
+    void subscriptionUnregistered(Subscription subscription)
+    {
+        ConsumerAdapter adapter = null;
+        synchronized (_consumerAdapters)
+        {
+            adapter = _consumerAdapters.remove(subscription);
+        }
+        if (adapter != null)
+        {
+            childRemoved(adapter);
+        }
+    }
+
+    @Override
+    public Collection<String> getAttributeNames()
+    {
+        Collection<String> names = new HashSet<String>(super.getAttributeNames());
+        names.addAll(AVAILABLE_ATTRIBUTES);
+
+        return Collections.unmodifiableCollection(names);
+    }
+
+    @Override
+    public Object getAttribute(String name)
+    {
+        if(name.equals(ID))
+        {
+            return getId();
+        }
+        else if (name.equals(NAME))
+        {
+            return getName();
+        }
+        else if(name.equals(CHANNEL_ID))
+        {
+            return _session.getChannelId();
+        }
+        else if(name.equals(PRODUCER_FLOW_BLOCKED))
+        {
+            return _session.getBlocking();
+        }
+        return super.getAttribute(name);    //TODO - Implement
+    }
+
+    public Statistics getStatistics()
+    {
+        return _statistics;
+    }
+
+    @Override
+    public <C extends ConfiguredObject> Collection<C> getChildren(Class<C> clazz)
+    {
+        if(clazz == Consumer.class)
+        {
+            return (Collection<C>) getSubscriptions();
+        }
+        else if(clazz == Publisher.class)
+        {
+            return (Collection<C>) getPublishers();
+        }
+        else
+        {
+            return Collections.emptySet();
+        }
+    }
+
+    @Override
+    public <C extends ConfiguredObject> C createChild(Class<C> childClass, Map<String, Object> attributes, ConfiguredObject... otherParents)
+    {
+        throw new  UnsupportedOperationException();
+    }
+
+    private class SessionStatistics implements Statistics
+    {
+
+        public SessionStatistics()
+        {
+        }
+
+        public Collection<String> getStatisticNames()
+        {
+            return AVAILABLE_STATISTICS;
+        }
+
+        public Object getStatistic(String name)
+        {
+            if(name.equals(BYTES_IN))
+            {
+            }
+            else if(name.equals(BYTES_OUT))
+            {
+            }
+            else if(name.equals(CONSUMER_COUNT))
+            {
+                return _session.getConsumerCount();
+            }
+            else if(name.equals(LOCAL_TRANSACTION_BEGINS))
+            {
+                return _session.getTxnStart();
+            }
+            else if(name.equals(LOCAL_TRANSACTION_OPEN))
+            {
+                long open = _session.getTxnStart() - (_session.getTxnCommits() + _session.getTxnRejects());
+                return (Boolean) (open > 0l);
+            }
+            else if(name.equals(LOCAL_TRANSACTION_ROLLBACKS))
+            {
+                return _session.getTxnRejects();
+            }
+            else if(name.equals(STATE_CHANGED))
+            {
+            }
+            else if(name.equals(UNACKNOWLEDGED_BYTES))
+            {
+            }
+            else if(name.equals(UNACKNOWLEDGED_MESSAGES))
+            {
+                return _session.getUnacknowledgedMessageCount();
+            }
+            else if(name.equals(XA_TRANSACTION_BRANCH_ENDS))
+            {
+            }
+            else if(name.equals(XA_TRANSACTION_BRANCH_STARTS))
+            {
+            }
+            else if(name.equals(XA_TRANSACTION_BRANCH_SUSPENDS))
+            {
+
+            }
+
+            return null;  // TODO - Implement
+        }
+    }
+
+    @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 session is not supported.");
+    }
+
+    @Override
+    public void setAttributes(final Map<String, Object> attributes) throws IllegalStateException, AccessControlException,
+            IllegalArgumentException
+    {
+        throw new UnsupportedOperationException("Changing attributes on session is not supported.");
+    }
+}