1 files changed, 77 insertions, 0 deletions
diff --git a/java/common/gentools/src/org/apache/qpid/gentools/AmqpFlagMap.java b/java/common/gentools/src/org/apache/qpid/gentools/AmqpFlagMap.java
new file mode 100644
index 0000000000..5993a1b715
--- /dev/null
+++ b/java/common/gentools/src/org/apache/qpid/gentools/AmqpFlagMap.java
@@ -0,0 +1,77 @@
+/*
+ *
+ * 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.gentools;
+
+import java.util.ArrayList;
+import java.util.TreeMap;
+
+@SuppressWarnings("serial")
+public class AmqpFlagMap extends TreeMap<Boolean, AmqpVersionSet> implements VersionConsistencyCheck
+{
+    public boolean isSet()
+    {
+        return containsKey(true);
+    }
+
+    public String toString()
+    {
+        AmqpVersionSet versionSet = get(true);
+        if (versionSet != null)
+        {
+            return versionSet.toString();
+        }
+        return "";
+    }
+
+    public boolean isVersionConsistent(AmqpVersionSet globalVersionSet)
+    {
+        if (size() != 1)
+        {
+            return false;
+        }
+        return get(firstKey()).equals(globalVersionSet);
+    }
+
+    public boolean removeVersion(AmqpVersion version)
+    {
+        Boolean res = false;
+        ArrayList<Boolean> removeList = new ArrayList<Boolean>();
+        for (Boolean flag : keySet())
+        {
+            AmqpVersionSet versionSet = get(flag);
+            if (versionSet.contains(version))
+            {
+                versionSet.remove(version);
+                if (versionSet.isEmpty())
+                {
+                    removeList.add(flag);
+                }
+                res = true;
+            }
+        }
+        // Get rid of flags no longer in use
+        for (Boolean flag : removeList)
+        {
+            remove(flag);
+        }
+        return res;
+    }
+}