1 files changed, 203 insertions, 0 deletions
diff --git a/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigurationEntry.java b/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigurationEntry.java
new file mode 100644
index 0000000000..8afb1af24d
--- /dev/null
+++ b/java/broker/src/main/java/org/apache/qpid/server/configuration/ConfigurationEntry.java
@@ -0,0 +1,203 @@
+/*
+ *
+ * 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.configuration;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import java.util.UUID;
+
+public class ConfigurationEntry
+{
+    public static final String ATTRIBUTE_NAME = "name";
+
+    private final UUID _id;
+    private final String _type;
+    private final Map<String, Object> _attributes;
+    private final Set<UUID> _childrenIds;
+    private final ConfigurationEntryStore _store;
+
+    public ConfigurationEntry(UUID id, String type, Map<String, Object> attributes, Set<UUID> childrenIds,
+            ConfigurationEntryStore store)
+    {
+        super();
+        _id = id;
+        _type = type;
+        _attributes = attributes;
+        _childrenIds = childrenIds;
+        _store = store;
+    }
+
+    public UUID getId()
+    {
+        return _id;
+    }
+
+    public String getType()
+    {
+        return _type;
+    }
+
+    public Map<String, Object> getAttributes()
+    {
+        return _attributes;
+    }
+
+    public Set<UUID> getChildrenIds()
+    {
+        return _childrenIds;
+    }
+
+    public ConfigurationEntryStore getStore()
+    {
+        return _store;
+    }
+
+    /**
+     * Returns this entry's children. The collection should not be modified.
+     */
+    public Map<String, Collection<ConfigurationEntry>> getChildren()
+    {
+        Map<String, Collection<ConfigurationEntry>> children = null;
+        if (_childrenIds == null)
+        {
+            children = Collections.emptyMap();
+        }
+        else
+        {
+            children = new HashMap<String, Collection<ConfigurationEntry>>();
+            for (UUID childId : _childrenIds)
+            {
+                ConfigurationEntry entry = _store.getEntry(childId);
+                String type = entry.getType();
+                Collection<ConfigurationEntry> childrenOfType = children.get(type);
+                if (childrenOfType == null)
+                {
+                    childrenOfType = new ArrayList<ConfigurationEntry>();
+                    children.put(type, childrenOfType);
+                }
+                childrenOfType.add(entry);
+            }
+        }
+        return Collections.unmodifiableMap(children);
+    }
+
+    public boolean hasChild(UUID id)
+    {
+        return _childrenIds.contains(id);
+    }
+
+    @Override
+    public int hashCode()
+    {
+        return _id.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object obj)
+    {
+        if (this == obj)
+        {
+            return true;
+        }
+        if (obj == null)
+        {
+            return false;
+        }
+        if (getClass() != obj.getClass())
+        {
+            return false;
+        }
+
+        ConfigurationEntry other = (ConfigurationEntry) obj;
+        if (_id == null)
+        {
+            if (other._id != null)
+            {
+                return false;
+            }
+        }
+        else if (!_id.equals(other._id))
+        {
+            return false;
+        }
+
+        if (_type == null)
+        {
+            if (other._type != null)
+            {
+                return false;
+            }
+        }
+        else if (!_type.equals(other._type))
+        {
+            return false;
+        }
+
+        if (_store == null)
+        {
+            if (other._store != null)
+            {
+                return false;
+            }
+        }
+        else if (!_store.equals(other._store))
+        {
+            return false;
+        }
+
+        if (_childrenIds == null)
+        {
+            if (other._childrenIds != null)
+            {
+                return false;
+            }
+        }
+        else if (!_childrenIds.equals(other._childrenIds))
+        {
+            return false;
+        }
+
+        if (_attributes == null)
+        {
+            if (other._attributes != null)
+            {
+                return false;
+            }
+        }
+        else if (!_attributes.equals(other._attributes))
+        {
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "ConfigurationEntry [id=" + _id + ", type=" + _type + ", attributes=" + _attributes + ", childrenIds="
+                + _childrenIds + "]";
+    }
+
+}