/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.profileservice.management.mbean;
import java.lang.reflect.Type;
import java.util.HashMap;
import java.util.Map;
import org.jboss.metatype.api.types.CompositeMetaType;
import org.jboss.metatype.api.types.ImmutableCompositeMetaType;
import org.jboss.metatype.api.types.MapCompositeMetaType;
import org.jboss.metatype.api.types.MetaType;
import org.jboss.metatype.api.types.SimpleMetaType;
import org.jboss.metatype.api.values.MapCompositeValueSupport;
import org.jboss.metatype.api.values.MetaValue;
import org.jboss.metatype.api.values.SimpleValueSupport;
import org.jboss.metatype.spi.values.MetaMapper;
/**
* {@link MetaMapper} for detyped EJB invocation statistics.
*
* @author Jason T. Greene
*/
public class EJBInvocationStatsMapper extends MetaMapper<Map<String, Map<String, Long>>>
{
public static final CompositeMetaType TYPE;
public static final CompositeMetaType METHOD_STATS_TYPE;
private static String[] rootItemNames;
private static MapCompositeMetaType METHOD_STATS_MAP_TYPE;
static
{
String[] methodItemNames = {
"count",
"minTime",
"maxTime",
"totalTime"
};
String[] methodItemDescriptions = {
"the number of invocations",
"the minimum invocation time",
"the maximum invocation time",
"the total invocation time",
};
MetaType[] methodItemTypes = {
SimpleMetaType.LONG,
SimpleMetaType.LONG,
SimpleMetaType.LONG,
SimpleMetaType.LONG,
};
METHOD_STATS_TYPE = new ImmutableCompositeMetaType("MethodStatistics",
"Method invocation statistics",
methodItemNames, methodItemDescriptions, methodItemTypes);
METHOD_STATS_MAP_TYPE = new MapCompositeMetaType(METHOD_STATS_TYPE);
rootItemNames = new String[] {
"concurrentCalls",
"maxConcurrentCalls",
"lastResetTime",
"methodStats"
};
String[] rootItemDescriptions = {
"the number of concurrent invocations",
"the maximum number of concurrent invocations",
"last time statistics were reset",
"method statistics",
};
MetaType[] rootItemTypes = {
SimpleMetaType.LONG,
SimpleMetaType.LONG,
SimpleMetaType.LONG,
METHOD_STATS_MAP_TYPE
};
TYPE = new ImmutableCompositeMetaType("InvocationStatistics",
"EJB invocation statistics",
rootItemNames, rootItemDescriptions, rootItemTypes);
}
@Override
public MetaType getMetaType()
{
return TYPE;
}
@Override
public Type mapToType()
{
return Map.class;
}
@Override
public MetaValue createMetaValue(MetaType metaType, Map<String, Map<String, Long>> object)
{
Map<String, MetaValue> methodMap = new HashMap<String, MetaValue>();
for (Map.Entry<String, Map<String, Long>> entry: object.entrySet())
{
if (entry.getKey().charAt(0) == '#')
continue;
MapCompositeValueSupport cvs = new MapCompositeValueSupport(METHOD_STATS_TYPE);
for (String name : METHOD_STATS_TYPE.itemSet())
cvs.put(name, SimpleValueSupport.wrap(entry.getValue().get(name)));
methodMap.put(entry.getKey(), cvs);
}
MapCompositeValueSupport root = new MapCompositeValueSupport(TYPE);
for (int i = 0; i < 3; i++)
root.put(rootItemNames[i], SimpleValueSupport.wrap(object.get("#Global").get(rootItemNames[i])));
root.put(rootItemNames[3], new MapCompositeValueSupport(methodMap, METHOD_STATS_MAP_TYPE));
return root;
}
@Override
public Map<String, Map<String, Long>> unwrapMetaValue(MetaValue metaValue)
{
// This is read-only, so not needed
return null;
}
}