public static object GetFactory(HpcLinqContext context, Type type)
{
lock (s_codeGenLock)
{
if (s_TypeToFactory.ContainsKey(type))
{
return s_TypeToFactory[type];
}
HpcLinqCodeGen codeGen = new HpcLinqCodeGen(context, new VertexCodeGen());
codeGen.AddDryadCodeForType(type);
// build assembly, and load into memory, because we'll next instantiate
// the factory type out of the generated assembly.
codeGen.BuildAssembly(true);
string factoryTypeFullName = TargetNamespace + "." + HpcLinqFactoryClassName(type);
object factory = codeGen.m_loadedVertexAssembly.CreateInstance(factoryTypeFullName);
s_TypeToFactory.Add(type, factory);
return factory;
}
}
private void Initialize(VertexCodeGen vertexCodeGen)
{
this.m_codeGen = new HpcLinqCodeGen(this.m_context, vertexCodeGen);
this.m_queryPlan1 = null;
this.m_queryPlan2 = null;
this.m_queryPlan3 = null;
this.m_DryadLinqProgram = null;
this.m_queryPlan1 = null;
this.m_exprNodeInfoMap = new Dictionary<Expression, QueryNodeInfo>();
this.m_referencedQueryMap = new Dictionary<Expression, QueryNodeInfo>();
this.m_inputUriMap = new Dictionary<string, DryadInputNode>();
this.m_outputUriMap = new Dictionary<string, DryadOutputNode>();
this.queryExecutor = new JobExecutor(this.m_context);
// Initialize the data structures for the output tables
this.m_outputTypes = new Type[this.m_queryExprs.Length];
this.m_outputDatapaths = new string[this.m_queryExprs.Length];
this.m_queryNodeInfos = new QueryNodeInfo[this.m_queryExprs.Length];
for (int i = 0; i < this.m_queryExprs.Length; i++)
{
this.m_queryNodeInfos[i] = this.BuildNodeInfoGraph(this.m_queryExprs[i]);
this.m_queryNodeInfos[i] = new QueryNodeInfo(this.m_queryExprs[i], false, this.m_queryNodeInfos[i]);
this.m_outputDatapaths[i] = DataPath.GetDataPath(this.m_outputTableUris[i]);
Dictionary<string, string> args = DataPath.GetArguments(this.m_outputTableUris[i]);
if (!(DataPath.IsDsc(this.m_outputDatapaths[i]) || DataPath.IsHdfs(this.m_outputDatapaths[i])))
{
throw new DryadLinqException(HpcLinqErrorCode.UnrecognizedDataSource,
String.Format(SR.UnrecognizedDataSource, this.m_outputTableUris[i]));
}
}
}
internal Pipeline(CodeMemberMethod vertexMethod, HpcLinqCodeGen codeGen, string[] writerNames)
{
this.m_vertexMethod = vertexMethod;
this.m_codeGen = codeGen;
this.m_readerNames = null;
this.m_writerNames = writerNames;
this.m_nodes = new List<DryadQueryNode>();
}
