public DatanodeInfoWithStorage(DatanodeInfo from, string storageID, StorageType storageType
)
: base(from)
{
this.storageID = storageID;
this.storageType = storageType;
SetSoftwareVersion(from.GetSoftwareVersion());
SetDependentHostNames(from.GetDependentHostNames());
SetLevel(from.GetLevel());
SetParent(from.GetParent());
}
public DatanodeInfo(DatanodeInfo from)
: base(from)
{
this.capacity = from.GetCapacity();
this.dfsUsed = from.GetDfsUsed();
this.remaining = from.GetRemaining();
this.blockPoolUsed = from.GetBlockPoolUsed();
this.cacheCapacity = from.GetCacheCapacity();
this.cacheUsed = from.GetCacheUsed();
this.lastUpdate = from.GetLastUpdate();
this.lastUpdateMonotonic = from.GetLastUpdateMonotonic();
this.xceiverCount = from.GetXceiverCount();
this.location = from.GetNetworkLocation();
this.adminState = from.GetAdminState();
}
public LocatedBlock(ExtendedBlock b, DatanodeInfo[] locs, string[] storageIDs, StorageType
[] storageTypes, long startOffset, bool corrupt, DatanodeInfo[] cachedLocs)
{
// offset of the first byte of the block in the file
// corrupt flag is true if all of the replicas of a block are corrupt.
// else false. If block has few corrupt replicas, they are filtered and
// their locations are not part of this object
// Used when there are no locations
// startOffset is unknown
// startOffset is unknown
// startOffset is unknown
this.b = b;
this.offset = startOffset;
this.corrupt = corrupt;
if (locs == null)
{
this.locs = EmptyLocs;
}
else
{
this.locs = new DatanodeInfoWithStorage[locs.Length];
for (int i = 0; i < locs.Length; i++)
{
DatanodeInfo di = locs[i];
DatanodeInfoWithStorage storage = new DatanodeInfoWithStorage(di, storageIDs != null
? storageIDs[i] : null, storageTypes != null ? storageTypes[i] : null);
this.locs[i] = storage;
}
}
this.storageIDs = storageIDs;
this.storageTypes = storageTypes;
if (cachedLocs == null || cachedLocs.Length == 0)
{
this.cachedLocs = EmptyLocs;
}
else
{
this.cachedLocs = cachedLocs;
}
}
/// <summary>Add a the location of a cached replica of the block.</summary>
/// <param name="loc">of datanode with the cached replica</param>
public virtual void AddCachedLoc(DatanodeInfo loc)
{
IList <DatanodeInfo> cachedList = Lists.NewArrayList(cachedLocs);
if (cachedList.Contains(loc))
{
return;
}
// Try to re-use a DatanodeInfo already in loc
foreach (DatanodeInfoWithStorage di in locs)
{
if (loc.Equals(di))
{
cachedList.AddItem(di);
cachedLocs = Sharpen.Collections.ToArray(cachedList, cachedLocs);
return;
}
}
// Not present in loc, add it and go
cachedList.AddItem(loc);
cachedLocs = Sharpen.Collections.ToArray(cachedList, cachedLocs);
}
/// <summary>
/// The exception is thrown if a different data-node claims the same
/// storage id as the existing one.
/// </summary>
/// <param name="nodeID">unregistered data-node</param>
/// <param name="storedNode">data-node stored in the system with this storage id</param>
public UnregisteredNodeException(DatanodeID nodeID, DatanodeInfo storedNode)
: base("Data node " + nodeID + " is attempting to report storage ID " + nodeID.GetDatanodeUuid
() + ". Node " + storedNode + " is expected to serve this storage.")
{
}