private void Initialize(VertexCodeGen vertexCodeGen)
{
this.m_codeGen = new DryadLinqCodeGen(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, DLinqInputNode>();
this.m_outputUriMap = new Dictionary<string, DLinqOutputNode>();
this.m_queryExecutor = new DryadLinqJobExecutor(this.m_context);
// Initialize the data structures for the output tables
this.m_outputTypes = new Type[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 DummyQueryNodeInfo(this.m_queryExprs[i], false, this.m_queryNodeInfos[i]);
if (!DataPath.IsValidDataPath(this.m_outputTableUris[i]))
{
throw new DryadLinqException(DryadLinqErrorCode.UnrecognizedDataSource,
String.Format(SR.UnrecognizedDataSource,
this.m_outputTableUris[i].AbsoluteUri));
}
}
}
/// <summary>
/// Gets the <see cref="DryadLinqFactory{T}"/> for a specified type. If a factory doesn't exist,
/// the method generates the serialization code and creates a new factory for the type.
/// </summary>
/// <param name="context">An instnance of <see cref="DryadLinqContext"/></param>
/// <param name="type">A specified type</param>
/// <returns>A <see cref="DryadLinqFactory{T}"/> for the type</returns>
public static object GetFactory(DryadLinqContext context, Type type)
{
lock (s_codeGenLock)
{
if (s_TypeToFactory.ContainsKey(type))
{
return s_TypeToFactory[type];
}
DryadLinqCodeGen codeGen = new DryadLinqCodeGen(context, new VertexCodeGen(context));
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 + "." + DryadLinqFactoryClassName(type);
object factory = codeGen.m_loadedVertexAssembly.CreateInstance(factoryTypeFullName);
s_TypeToFactory.Add(type, factory);
return factory;
}
}
internal Pipeline(CodeMemberMethod vertexMethod, DryadLinqCodeGen codeGen, string[] writerNames)
{
this.m_vertexMethod = vertexMethod;
this.m_codeGen = codeGen;
this.m_readerNames = null;
this.m_writerNames = writerNames;
this.m_nodes = new List<DLinqQueryNode>();
}