Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / ndp / fx / src / DataEntity / System / Data / Query / InternalTrees / PhysicalOps.cs / 1 / PhysicalOps.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Globalization; using System.Data.Query.PlanCompiler; using md = System.Data.Metadata.Edm; namespace System.Data.Query.InternalTrees { ////// A PhysicalProjectOp is a physical Op capping the entire command tree (and the /// subtrees of CollectOps). /// internal class PhysicalProjectOp : PhysicalOp { #region public methods ////// Instance for pattern matching in rules /// internal static readonly PhysicalProjectOp Pattern = new PhysicalProjectOp(); ////// Get the column map that describes how the result should be reshaped /// internal SimpleCollectionColumnMap ColumnMap { get { return m_columnMap; } } ////// Get the (ordered) list of output vars that this node produces /// internal VarList Outputs { get { return m_outputVars; } } ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region private constructors /// /// basic constructor /// /// List of outputs from this Op /// column map that describes the result to be shaped internal PhysicalProjectOp(VarList outputVars, SimpleCollectionColumnMap columnMap) : this() { Debug.Assert(null != columnMap, "null columnMap?"); m_outputVars = outputVars; m_columnMap = columnMap; } private PhysicalProjectOp() : base(OpType.PhysicalProject) { } #endregion #region private state private SimpleCollectionColumnMap m_columnMap; private VarList m_outputVars; #endregion } ////// Represents information about one collection being managed by the NestOps. /// The CollectionVar is a Var that represents the entire collection. /// internal class CollectionInfo { #region public methods ////// The collection-var /// internal Var CollectionVar { get { return m_collectionVar; } } ////// the column map for the collection element /// internal ColumnMap ColumnMap { get { return m_columnMap; } } ////// list of vars describing the collection element; flattened to remove /// nested collections /// internal VarList FlattenedElementVars { get { return m_flattenedElementVars; } } ////// list of keys specific to this collection /// internal VarVec Keys { get { return m_keys; } } ////// list of sort keys specific to this collection /// internal ListSortKeys { get { return m_sortKeys; } } /// /// Discriminator Value for this collection (for a given NestOp). /// Should we break this out into a subtype of CollectionInfo /// internal object DiscriminatorValue { get { return m_discriminatorValue; } } #endregion #region constructors internal CollectionInfo(Var collectionVar, ColumnMap columnMap, VarList flattenedElementVars, VarVec keys, ListsortKeys, object discriminatorValue) { m_collectionVar = collectionVar; m_columnMap = columnMap; m_flattenedElementVars = flattenedElementVars; m_keys = keys; m_sortKeys = sortKeys; m_discriminatorValue = discriminatorValue; } #endregion #region private state private Var m_collectionVar; // the collection Var private ColumnMap m_columnMap; // column map for the collection element private VarList m_flattenedElementVars; // elementVars, removing collections; private VarVec m_keys; //list of keys specific to this collection private List m_sortKeys; //list of sort keys specific to this collection private object m_discriminatorValue; #endregion } /// /// Base class for Nest operations /// internal abstract class NestBaseOp : PhysicalOp { #region publics ////// (Ordered) list of prefix sort keys (defines ordering of results) /// internal ListPrefixSortKeys { get { return m_prefixSortKeys; } } /// /// Outputs of the NestOp. Includes the Keys obviously, and one Var for each of /// the collections produced. In addition, this may also include non-key vars /// from the outer row /// internal VarVec Outputs { get { return m_outputs; } } ////// Information about each collection managed by the NestOp /// internal ListCollectionInfo { get { return m_collectionInfoList; } } #endregion #region constructors internal NestBaseOp(OpType opType, List prefixSortKeys, VarVec outputVars, List collectionInfoList) : base(opType) { m_outputs = outputVars; m_collectionInfoList = collectionInfoList; m_prefixSortKeys = prefixSortKeys; } #endregion #region private state private List m_prefixSortKeys; // list of sort key prefixes private VarVec m_outputs; // list of all output vars private List m_collectionInfoList; #endregion } /// /// Single-stream nest aggregation Op. /// (Somewhat similar to a group-by op - should we merge these?) /// internal class SingleStreamNestOp : NestBaseOp { #region publics ////// 1 child - the input /// internal override int Arity { get { return 1; } } ////// The discriminator Var (when there are multiple collections) /// internal Var Discriminator { get { return m_discriminator; } } ////// List of postfix sort keys (mostly to deal with multi-level nested collections) /// internal ListPostfixSortKeys { get { return m_postfixSortKeys; } } /// /// Set of keys for this nest operation /// internal VarVec Keys { get { return m_keys; } } ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region constructors internal SingleStreamNestOp(VarVec keys, List prefixSortKeys, List postfixSortKeys, VarVec outputVars, List collectionInfoList, Var discriminatorVar) : base(OpType.SingleStreamNest, prefixSortKeys, outputVars, collectionInfoList) { m_keys = keys; m_postfixSortKeys = postfixSortKeys; m_discriminator = discriminatorVar; } #endregion #region private state private VarVec m_keys; // keys for this operation private Var m_discriminator; // Var describing the discriminator List m_postfixSortKeys; // list of postfix sort keys #endregion } /// /// Represents a multi-stream nest operation. The first input represents the /// container row, while all the other inputs represent collections /// internal class MultiStreamNestOp : NestBaseOp { #region publics ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region constructors internal MultiStreamNestOp(List prefixSortKeys, VarVec outputVars, List collectionInfoList) : base(OpType.MultiStreamNest, prefixSortKeys, outputVars, collectionInfoList) { } #endregion #region private state #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....], [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Data.Metadata.Edm; using System.Diagnostics; using System.Globalization; using System.Data.Query.PlanCompiler; using md = System.Data.Metadata.Edm; namespace System.Data.Query.InternalTrees { ////// A PhysicalProjectOp is a physical Op capping the entire command tree (and the /// subtrees of CollectOps). /// internal class PhysicalProjectOp : PhysicalOp { #region public methods ////// Instance for pattern matching in rules /// internal static readonly PhysicalProjectOp Pattern = new PhysicalProjectOp(); ////// Get the column map that describes how the result should be reshaped /// internal SimpleCollectionColumnMap ColumnMap { get { return m_columnMap; } } ////// Get the (ordered) list of output vars that this node produces /// internal VarList Outputs { get { return m_outputVars; } } ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region private constructors /// /// basic constructor /// /// List of outputs from this Op /// column map that describes the result to be shaped internal PhysicalProjectOp(VarList outputVars, SimpleCollectionColumnMap columnMap) : this() { Debug.Assert(null != columnMap, "null columnMap?"); m_outputVars = outputVars; m_columnMap = columnMap; } private PhysicalProjectOp() : base(OpType.PhysicalProject) { } #endregion #region private state private SimpleCollectionColumnMap m_columnMap; private VarList m_outputVars; #endregion } ////// Represents information about one collection being managed by the NestOps. /// The CollectionVar is a Var that represents the entire collection. /// internal class CollectionInfo { #region public methods ////// The collection-var /// internal Var CollectionVar { get { return m_collectionVar; } } ////// the column map for the collection element /// internal ColumnMap ColumnMap { get { return m_columnMap; } } ////// list of vars describing the collection element; flattened to remove /// nested collections /// internal VarList FlattenedElementVars { get { return m_flattenedElementVars; } } ////// list of keys specific to this collection /// internal VarVec Keys { get { return m_keys; } } ////// list of sort keys specific to this collection /// internal ListSortKeys { get { return m_sortKeys; } } /// /// Discriminator Value for this collection (for a given NestOp). /// Should we break this out into a subtype of CollectionInfo /// internal object DiscriminatorValue { get { return m_discriminatorValue; } } #endregion #region constructors internal CollectionInfo(Var collectionVar, ColumnMap columnMap, VarList flattenedElementVars, VarVec keys, ListsortKeys, object discriminatorValue) { m_collectionVar = collectionVar; m_columnMap = columnMap; m_flattenedElementVars = flattenedElementVars; m_keys = keys; m_sortKeys = sortKeys; m_discriminatorValue = discriminatorValue; } #endregion #region private state private Var m_collectionVar; // the collection Var private ColumnMap m_columnMap; // column map for the collection element private VarList m_flattenedElementVars; // elementVars, removing collections; private VarVec m_keys; //list of keys specific to this collection private List m_sortKeys; //list of sort keys specific to this collection private object m_discriminatorValue; #endregion } /// /// Base class for Nest operations /// internal abstract class NestBaseOp : PhysicalOp { #region publics ////// (Ordered) list of prefix sort keys (defines ordering of results) /// internal ListPrefixSortKeys { get { return m_prefixSortKeys; } } /// /// Outputs of the NestOp. Includes the Keys obviously, and one Var for each of /// the collections produced. In addition, this may also include non-key vars /// from the outer row /// internal VarVec Outputs { get { return m_outputs; } } ////// Information about each collection managed by the NestOp /// internal ListCollectionInfo { get { return m_collectionInfoList; } } #endregion #region constructors internal NestBaseOp(OpType opType, List prefixSortKeys, VarVec outputVars, List collectionInfoList) : base(opType) { m_outputs = outputVars; m_collectionInfoList = collectionInfoList; m_prefixSortKeys = prefixSortKeys; } #endregion #region private state private List m_prefixSortKeys; // list of sort key prefixes private VarVec m_outputs; // list of all output vars private List m_collectionInfoList; #endregion } /// /// Single-stream nest aggregation Op. /// (Somewhat similar to a group-by op - should we merge these?) /// internal class SingleStreamNestOp : NestBaseOp { #region publics ////// 1 child - the input /// internal override int Arity { get { return 1; } } ////// The discriminator Var (when there are multiple collections) /// internal Var Discriminator { get { return m_discriminator; } } ////// List of postfix sort keys (mostly to deal with multi-level nested collections) /// internal ListPostfixSortKeys { get { return m_postfixSortKeys; } } /// /// Set of keys for this nest operation /// internal VarVec Keys { get { return m_keys; } } ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region constructors internal SingleStreamNestOp(VarVec keys, List prefixSortKeys, List postfixSortKeys, VarVec outputVars, List collectionInfoList, Var discriminatorVar) : base(OpType.SingleStreamNest, prefixSortKeys, outputVars, collectionInfoList) { m_keys = keys; m_postfixSortKeys = postfixSortKeys; m_discriminator = discriminatorVar; } #endregion #region private state private VarVec m_keys; // keys for this operation private Var m_discriminator; // Var describing the discriminator List m_postfixSortKeys; // list of postfix sort keys #endregion } /// /// Represents a multi-stream nest operation. The first input represents the /// container row, while all the other inputs represent collections /// internal class MultiStreamNestOp : NestBaseOp { #region publics ////// Visitor pattern method /// /// The BasicOpVisitor that is visiting this Op /// The Node that references this Op [DebuggerNonUserCode] internal override void Accept(BasicOpVisitor v, Node n) { v.Visit(this, n); } ////// Visitor pattern method for visitors with a return value /// /// The visitor /// The node in question ///An instance of TResultType [DebuggerNonUserCode] internal override TResultType Accept(BasicOpVisitorOfT v, Node n) { return v.Visit(this, n); } #endregion #region constructors internal MultiStreamNestOp(List prefixSortKeys, VarVec outputVars, List collectionInfoList) : base(OpType.MultiStreamNest, prefixSortKeys, outputVars, collectionInfoList) { } #endregion #region private state #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TemplateControlParser.cs
- AttributeQuery.cs
- SqlBulkCopy.cs
- AppliedDeviceFiltersDialog.cs
- DashStyle.cs
- BorderGapMaskConverter.cs
- UInt64Storage.cs
- ToolTipAutomationPeer.cs
- GridItemPattern.cs
- TypeHelpers.cs
- GridViewEditEventArgs.cs
- TypeForwardedToAttribute.cs
- ExtenderProvidedPropertyAttribute.cs
- InteropTrackingRecord.cs
- NotifyParentPropertyAttribute.cs
- PixelShader.cs
- DataList.cs
- SectionUpdates.cs
- EditableTreeList.cs
- TrackingCondition.cs
- ConfigXmlReader.cs
- XmlDownloadManager.cs
- DataGridViewCellParsingEventArgs.cs
- XmlTextReader.cs
- EditorBrowsableAttribute.cs
- CodeSnippetTypeMember.cs
- ConditionBrowserDialog.cs
- _NestedMultipleAsyncResult.cs
- Baml2006ReaderFrame.cs
- CharConverter.cs
- OverflowException.cs
- FileUtil.cs
- SetterBase.cs
- DependencyPropertyHelper.cs
- SafeEventLogReadHandle.cs
- CheckBoxRenderer.cs
- Attributes.cs
- CombinedGeometry.cs
- EventManager.cs
- SoapFormatterSinks.cs
- InputQueueChannel.cs
- ConfigurationPropertyAttribute.cs
- InfoCardRSAOAEPKeyExchangeDeformatter.cs
- RowBinding.cs
- RouteParser.cs
- AssemblyCollection.cs
- BinHexEncoder.cs
- Translator.cs
- PeerEndPoint.cs
- StateDesigner.LayoutSelectionGlyph.cs
- WindowsProgressbar.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- DisableDpiAwarenessAttribute.cs
- ResourceSetExpression.cs
- GridViewColumnHeaderAutomationPeer.cs
- TextStore.cs
- SystemNetHelpers.cs
- ImageCreator.cs
- TraceSwitch.cs
- TraceFilter.cs
- ClientSettingsProvider.cs
- FixedDocumentPaginator.cs
- ModuleElement.cs
- ToolStripDropDownButton.cs
- AuthenticatingEventArgs.cs
- IPAddressCollection.cs
- RemoteWebConfigurationHostServer.cs
- HtmlTableCell.cs
- XmlILIndex.cs
- Evaluator.cs
- CodeCatchClause.cs
- PropertyDescriptorComparer.cs
- OrthographicCamera.cs
- LogRestartAreaEnumerator.cs
- AudienceUriMode.cs
- EntityKeyElement.cs
- MemberRestriction.cs
- hresults.cs
- FormViewUpdateEventArgs.cs
- _SslSessionsCache.cs
- BreakRecordTable.cs
- Rotation3DAnimation.cs
- TextServicesHost.cs
- HttpClientCertificate.cs
- ConsoleKeyInfo.cs
- RelationshipConverter.cs
- SqlEnums.cs
- LineBreakRecord.cs
- StopStoryboard.cs
- CodeCompileUnit.cs
- HitTestWithPointDrawingContextWalker.cs
- DownloadProgressEventArgs.cs
- SQLDateTimeStorage.cs
- X509Certificate.cs
- TagPrefixAttribute.cs
- Sql8ExpressionRewriter.cs
- RegexParser.cs
- DataIdProcessor.cs
- Types.cs
- RadioButtonAutomationPeer.cs