Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / ndp / fx / src / DataEntity / System / Data / Common / Utils / Boolean / DomainConstraint.cs / 1 / DomainConstraint.cs
//---------------------------------------------------------------------- //// Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; namespace System.Data.Common.Utils.Boolean { ////// Represents a variable with finite domain, e.g., c in {1, 2, 3} /// ///Type of domain variables (int in the above example). ///Type of the identifier (c above -- it need not be int). internal class DomainVariable{ private readonly T_Variable _identifier; private readonly Set _domain; private readonly int _hashCode; private readonly IEqualityComparer _identifierComparer; /// /// Constructs a new domain variable. /// /// Identifier /// Domain of variable. /// Comparer of identifier internal DomainVariable(T_Variable identifier, Setdomain, IEqualityComparer identifierComparer) { Debug.Assert(null != identifier && null != domain); _identifier = identifier; _domain = domain.AsReadOnly(); _identifierComparer = identifierComparer ?? EqualityComparer .Default; int domainHashCode = _domain.GetElementsHashCode(); int identifierHashCode = _identifierComparer.GetHashCode(_identifier); _hashCode = domainHashCode ^ identifierHashCode; } internal DomainVariable(T_Variable identifier, Set domain) : this(identifier, domain, null) { } /// /// Gets the variable. /// internal T_Variable Identifier { get { return _identifier; } } ////// Gets the domain of this variable. /// internal SetDomain { get { return _domain; } } public override int GetHashCode() { return _hashCode; } public override bool Equals(object obj) { if (Object.ReferenceEquals(this, obj)) { return true; } DomainVariable other = obj as DomainVariable ; if (null == other) { return false; } if (_hashCode != other._hashCode) { return false; } return (_identifierComparer.Equals(_identifier, other._identifier) && _domain.SetEquals(other._domain)); } public override string ToString() { return StringUtil.FormatInvariant("{0}{{{1}}}", _identifier.ToString(), _domain); } } /// /// Represents a constraint of the form: /// /// Var1 in Range /// ///Type of range elements. ///Type of the variable. internal class DomainConstraint{ private readonly DomainVariable _variable; private readonly Set _range; private readonly int _hashCode; /// /// Constructs a new constraint for the given variable and range. /// /// Variable in constraint. /// Range of constraint. internal DomainConstraint(DomainVariablevariable, Set range) { Debug.Assert(null != variable && null != range); _variable = variable; _range = range.AsReadOnly(); _hashCode = _variable.GetHashCode() ^ _range.GetElementsHashCode(); } /// /// Constructor supporting a singleton range domain constraint /// internal DomainConstraint(DomainVariablevariable, T_Element element) : this(variable, new Set (new T_Element[] { element }).MakeReadOnly()) { } /// /// Gets the variable for this constraint. /// internal DomainVariableVariable { get { return _variable; } } /// /// Get the range for this constraint. /// internal SetRange { get { return _range; } } /// /// Inverts this constraint (this iff. !result) /// !(Var in Range) iff. Var in (Var.Domain - Range) /// ///internal DomainConstraint InvertDomainConstraint() { return new DomainConstraint (_variable, _variable.Domain.Difference(_range).AsReadOnly()); } public override bool Equals(object obj) { if (Object.ReferenceEquals(this, obj)) { return true; } DomainConstraint other = obj as DomainConstraint ; if (null == other) { return false; } if (_hashCode != other._hashCode) { return false; } return (_range.SetEquals(other._range) && _variable.Equals(other._variable)); } public override int GetHashCode() { return _hashCode; } public override string ToString() { return StringUtil.FormatInvariant("{0} in [{1}]", _variable, _range); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // @owner [....] // @backupOwner [....] //--------------------------------------------------------------------- using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Diagnostics; namespace System.Data.Common.Utils.Boolean { ////// Represents a variable with finite domain, e.g., c in {1, 2, 3} /// ///Type of domain variables (int in the above example). ///Type of the identifier (c above -- it need not be int). internal class DomainVariable{ private readonly T_Variable _identifier; private readonly Set _domain; private readonly int _hashCode; private readonly IEqualityComparer _identifierComparer; /// /// Constructs a new domain variable. /// /// Identifier /// Domain of variable. /// Comparer of identifier internal DomainVariable(T_Variable identifier, Setdomain, IEqualityComparer identifierComparer) { Debug.Assert(null != identifier && null != domain); _identifier = identifier; _domain = domain.AsReadOnly(); _identifierComparer = identifierComparer ?? EqualityComparer .Default; int domainHashCode = _domain.GetElementsHashCode(); int identifierHashCode = _identifierComparer.GetHashCode(_identifier); _hashCode = domainHashCode ^ identifierHashCode; } internal DomainVariable(T_Variable identifier, Set domain) : this(identifier, domain, null) { } /// /// Gets the variable. /// internal T_Variable Identifier { get { return _identifier; } } ////// Gets the domain of this variable. /// internal SetDomain { get { return _domain; } } public override int GetHashCode() { return _hashCode; } public override bool Equals(object obj) { if (Object.ReferenceEquals(this, obj)) { return true; } DomainVariable other = obj as DomainVariable ; if (null == other) { return false; } if (_hashCode != other._hashCode) { return false; } return (_identifierComparer.Equals(_identifier, other._identifier) && _domain.SetEquals(other._domain)); } public override string ToString() { return StringUtil.FormatInvariant("{0}{{{1}}}", _identifier.ToString(), _domain); } } /// /// Represents a constraint of the form: /// /// Var1 in Range /// ///Type of range elements. ///Type of the variable. internal class DomainConstraint{ private readonly DomainVariable _variable; private readonly Set _range; private readonly int _hashCode; /// /// Constructs a new constraint for the given variable and range. /// /// Variable in constraint. /// Range of constraint. internal DomainConstraint(DomainVariablevariable, Set range) { Debug.Assert(null != variable && null != range); _variable = variable; _range = range.AsReadOnly(); _hashCode = _variable.GetHashCode() ^ _range.GetElementsHashCode(); } /// /// Constructor supporting a singleton range domain constraint /// internal DomainConstraint(DomainVariablevariable, T_Element element) : this(variable, new Set (new T_Element[] { element }).MakeReadOnly()) { } /// /// Gets the variable for this constraint. /// internal DomainVariableVariable { get { return _variable; } } /// /// Get the range for this constraint. /// internal SetRange { get { return _range; } } /// /// Inverts this constraint (this iff. !result) /// !(Var in Range) iff. Var in (Var.Domain - Range) /// ///internal DomainConstraint InvertDomainConstraint() { return new DomainConstraint (_variable, _variable.Domain.Difference(_range).AsReadOnly()); } public override bool Equals(object obj) { if (Object.ReferenceEquals(this, obj)) { return true; } DomainConstraint other = obj as DomainConstraint ; if (null == other) { return false; } if (_hashCode != other._hashCode) { return false; } return (_range.SetEquals(other._range) && _variable.Equals(other._variable)); } public override int GetHashCode() { return _hashCode; } public override string ToString() { return StringUtil.FormatInvariant("{0} in [{1}]", _variable, _range); } } } // 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
- Dispatcher.cs
- MultiDataTrigger.cs
- EnumerationRangeValidationUtil.cs
- SizeConverter.cs
- EncodingFallbackAwareXmlTextWriter.cs
- Icon.cs
- PolyLineSegment.cs
- SuppressMessageAttribute.cs
- WindowHideOrCloseTracker.cs
- DataRowCollection.cs
- LineServices.cs
- WebPartEventArgs.cs
- COM2ExtendedUITypeEditor.cs
- TransactionChannelFaultConverter.cs
- JoinElimination.cs
- WorkflowRuntime.cs
- ErrorFormatterPage.cs
- DBPropSet.cs
- _ListenerAsyncResult.cs
- AppDomainAttributes.cs
- SafeEventLogReadHandle.cs
- SqlMethods.cs
- XNameConverter.cs
- ProxyAttribute.cs
- WebPartUtil.cs
- Library.cs
- FtpRequestCacheValidator.cs
- SeverityFilter.cs
- WebServiceTypeData.cs
- Configuration.cs
- TCPListener.cs
- TextFormatterHost.cs
- CopyNodeSetAction.cs
- Win32MouseDevice.cs
- BitmapEffectCollection.cs
- TreeNodeBinding.cs
- EndEvent.cs
- SettingsBindableAttribute.cs
- GeometryHitTestParameters.cs
- WebBrowserDocumentCompletedEventHandler.cs
- WindowsListViewSubItem.cs
- Scene3D.cs
- EntityContainerEmitter.cs
- TdsEnums.cs
- CollectionViewGroup.cs
- ColumnCollectionEditor.cs
- WsatAdminException.cs
- HMACMD5.cs
- SafePEFileHandle.cs
- SimpleParser.cs
- RawStylusInputReport.cs
- TextSelectionHighlightLayer.cs
- ContentPlaceHolder.cs
- HtmlTextArea.cs
- StrokeCollection.cs
- DeferredReference.cs
- ZoneButton.cs
- DocumentPage.cs
- WindowsGraphics2.cs
- FixedSOMTextRun.cs
- Geometry3D.cs
- SmiMetaData.cs
- DefaultPropertyAttribute.cs
- StatusBarPanel.cs
- HierarchicalDataSourceConverter.cs
- DesignerRegionMouseEventArgs.cs
- SessionConnectionReader.cs
- UnsafeNativeMethods.cs
- XmlNodeChangedEventManager.cs
- SEHException.cs
- AuthorizationRule.cs
- PasswordTextNavigator.cs
- GridViewEditEventArgs.cs
- XPathMultyIterator.cs
- ComponentResourceKey.cs
- ObjectSet.cs
- CompositeKey.cs
- XmlReflectionImporter.cs
- CopyNodeSetAction.cs
- _LazyAsyncResult.cs
- XmlProcessingInstruction.cs
- DependencyProperty.cs
- ListViewSelectEventArgs.cs
- SecurityDocument.cs
- TextPointer.cs
- FilterableAttribute.cs
- CssStyleCollection.cs
- SafeNativeMethods.cs
- NumericUpDownAccelerationCollection.cs
- XmlSiteMapProvider.cs
- Point3DValueSerializer.cs
- ClientUrlResolverWrapper.cs
- GenericAuthenticationEventArgs.cs
- EventRouteFactory.cs
- ConfigXmlWhitespace.cs
- SqlSelectClauseBuilder.cs
- MenuItemCollection.cs
- Pair.cs
- MenuItemCollection.cs
- SqlUserDefinedTypeAttribute.cs