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/*
* 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.cassandra.streaming.management;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.*;
import javax.management.openmbean.*;
import com.google.common.base.Function;
import com.google.common.base.Throwables;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.apache.cassandra.streaming.ProgressInfo;
import org.apache.cassandra.streaming.SessionInfo;
import org.apache.cassandra.streaming.StreamSession;
import org.apache.cassandra.streaming.StreamSummary;
public class SessionInfoCompositeData
{
private static final String[] ITEM_NAMES = new String[]{"planId",
"peer",
"connecting",
"receivingSummaries",
"sendingSummaries",
"state",
"receivingFiles",
"sendingFiles",
"sessionIndex"};
private static final String[] ITEM_DESCS = new String[]{"Plan ID",
"Session peer",
"Connecting address",
"Summaries of receiving data",
"Summaries of sending data",
"Current session state",
"Receiving files",
"Sending files",
"Session index"};
private static final OpenType[] ITEM_TYPES;
public static final CompositeType COMPOSITE_TYPE;
static
{
try
{
ITEM_TYPES = new OpenType[]{SimpleType.STRING,
SimpleType.STRING,
SimpleType.STRING,
ArrayType.getArrayType(StreamSummaryCompositeData.COMPOSITE_TYPE),
ArrayType.getArrayType(StreamSummaryCompositeData.COMPOSITE_TYPE),
SimpleType.STRING,
ArrayType.getArrayType(ProgressInfoCompositeData.COMPOSITE_TYPE),
ArrayType.getArrayType(ProgressInfoCompositeData.COMPOSITE_TYPE),
SimpleType.INTEGER};
COMPOSITE_TYPE = new CompositeType(SessionInfo.class.getName(),
"SessionInfo",
ITEM_NAMES,
ITEM_DESCS,
ITEM_TYPES);
}
catch (OpenDataException e)
{
throw Throwables.propagate(e);
}
}
public static CompositeData toCompositeData(final UUID planId, SessionInfo sessionInfo)
{
Map valueMap = new HashMap<>();
valueMap.put(ITEM_NAMES[0], planId.toString());
valueMap.put(ITEM_NAMES[1], sessionInfo.peer.getHostAddress());
valueMap.put(ITEM_NAMES[2], sessionInfo.connecting.getHostAddress());
Function fromStreamSummary = new Function()
{
public CompositeData apply(StreamSummary input)
{
return StreamSummaryCompositeData.toCompositeData(input);
}
};
valueMap.put(ITEM_NAMES[3], toArrayOfCompositeData(sessionInfo.receivingSummaries, fromStreamSummary));
valueMap.put(ITEM_NAMES[4], toArrayOfCompositeData(sessionInfo.sendingSummaries, fromStreamSummary));
valueMap.put(ITEM_NAMES[5], sessionInfo.state.name());
Function fromProgressInfo = new Function()
{
public CompositeData apply(ProgressInfo input)
{
return ProgressInfoCompositeData.toCompositeData(planId, input);
}
};
valueMap.put(ITEM_NAMES[6], toArrayOfCompositeData(sessionInfo.getReceivingFiles(), fromProgressInfo));
valueMap.put(ITEM_NAMES[7], toArrayOfCompositeData(sessionInfo.getSendingFiles(), fromProgressInfo));
valueMap.put(ITEM_NAMES[8], sessionInfo.sessionIndex);
try
{
return new CompositeDataSupport(COMPOSITE_TYPE, valueMap);
}
catch (OpenDataException e)
{
throw Throwables.propagate(e);
}
}
public static SessionInfo fromCompositeData(CompositeData cd)
{
assert cd.getCompositeType().equals(COMPOSITE_TYPE);
Object[] values = cd.getAll(ITEM_NAMES);
InetAddress peer, connecting;
try
{
peer = InetAddress.getByName((String) values[1]);
connecting = InetAddress.getByName((String) values[2]);
}
catch (UnknownHostException e)
{
throw Throwables.propagate(e);
}
Function toStreamSummary = new Function()
{
public StreamSummary apply(CompositeData input)
{
return StreamSummaryCompositeData.fromCompositeData(input);
}
};
SessionInfo info = new SessionInfo(peer,
(int)values[8],
connecting,
fromArrayOfCompositeData((CompositeData[]) values[3], toStreamSummary),
fromArrayOfCompositeData((CompositeData[]) values[4], toStreamSummary),
StreamSession.State.valueOf((String) values[5]));
Function toProgressInfo = new Function()
{
public ProgressInfo apply(CompositeData input)
{
return ProgressInfoCompositeData.fromCompositeData(input);
}
};
for (ProgressInfo progress : fromArrayOfCompositeData((CompositeData[]) values[6], toProgressInfo))
{
info.updateProgress(progress);
}
for (ProgressInfo progress : fromArrayOfCompositeData((CompositeData[]) values[7], toProgressInfo))
{
info.updateProgress(progress);
}
return info;
}
private static Collection fromArrayOfCompositeData(CompositeData[] cds, Function func)
{
return Lists.newArrayList(Iterables.transform(Arrays.asList(cds), func));
}
private static CompositeData[] toArrayOfCompositeData(Collection toConvert, Function func)
{
CompositeData[] composites = new CompositeData[toConvert.size()];
return Lists.newArrayList(Iterables.transform(toConvert, func)).toArray(composites);
}
}