public MapReduceProcessor(ImportEngine engine, XmlNode node) : base(engine, node)
{
maxNullIndex = node.ReadInt("@max_null_index", -1);
fanOut = node.ReadInt("@fan_out", 100);
if (fanOut <= 0)
{
throw new BMNodeException(node, "Count should be > 0.");
}
if (node.ReadInt("write/@maxparallel", 1) > 0)
{
bufferSize = node.ReadInt("write/@buffer", 100);
}
readMaxParallel = node.ReadInt("read/@maxparallel", 1);
directory = node.ReadStr("dir/@name", null);
if (directory != null)
{
directory = engine.Xml.CombinePath(directory);
keepFiles = node.ReadBool("dir/@keepfiles", false);
compress = node.ReadBool("dir/@compress", true);
}
List <KeyAndType> list = KeyAndType.CreateKeyList(node.SelectMandatoryNode("sorter"), "key", false);
sorter = JComparer.Create(list);
XmlNode hashNode = node.SelectSingleNode("hasher");
if (hashNode == null)
{
hasher = sorter;
}
else
{
hasher = sorter.Clone(hashNode.ReadStr("@from_sort", null));
if (hasher == null)
{
list = KeyAndType.CreateKeyList(hashNode, "key", true);
hasher = JComparer.Create(list);
}
}
XmlNode undupNode = node.SelectSingleNode("undupper");
if (undupNode != null)
{
undupper = sorter.Clone(undupNode.ReadStr("@from_sort", null));
if (undupper == null)
{
list = KeyAndType.CreateKeyList(undupNode, "key", true);
undupper = JComparer.Create(list);
}
XmlNode actionsNode = undupNode.SelectSingleNode("actions");
if (actionsNode != null)
{
undupActions = new UndupActions(engine, this, actionsNode);
}
}
}
public TopProcessor(ImportEngine engine, XmlNode node) : base(engine, node)
{
List <KeyAndType> list = KeyAndType.CreateKeyList(node.SelectMandatoryNode("sorter"), "key", true);
sorter = JComparer.Create(list);
topCount = node.ReadInt("@count");
reverse = node.ReadBool("@reverse", false);
sortAfter = node.ReadEnum("@sortafter", _SortAfter.True);
}
public SortProcessor(ImportEngine engine, XmlNode node) : base(engine, node)
{
List <KeyAndType> list = KeyAndType.CreateKeyList(node.SelectMandatoryNode("sorter"), "key", false);
Sorter = JComparer.Create(list);
//Interpret undupper
XmlNode undupNode = node.SelectSingleNode("undupper");
if (undupNode != null)
{
Undupper = Sorter.Clone(undupNode.ReadStr("@from_sort", null));
if (Undupper == null)
{
list = KeyAndType.CreateKeyList(undupNode, "key", true);
Undupper = JComparer.Create(list);
}
XmlNode actionsNode = undupNode.SelectSingleNode("actions");
if (actionsNode != null)
{
undupActions = new UndupActions(engine, this, actionsNode);
}
}
//Interpret sort scripts
beforeSort = new DelayedScriptHolder(engine, node.SelectSingleNode("beforesort"), Name);
if (beforeSort.ScriptName == null)
{
beforeSort = null;
}
afterSort = new DelayedScriptHolder(engine, node.SelectSingleNode("aftersort"), Name);
if (afterSort.ScriptName == null)
{
afterSort = null;
}
}
public UniqueProcessor(ImportEngine engine, XmlNode node) : base(engine, node)
{
List <KeyAndType> list = KeyAndType.CreateKeyList(node.SelectMandatoryNode("undupper"), "key", true);
undupper = JComparer.Create(list);
}