Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / ndp / fx / src / DataEntity / System / Data / Map / ViewGeneration / Structures / LeafCellTreeNode.cs / 2 / LeafCellTreeNode.cs
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Data.Common.Utils;
using System.Data.Mapping.ViewGeneration.CqlGeneration;
using System.Data.Mapping.ViewGeneration.QueryRewriting;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Data.Metadata.Edm;
namespace System.Data.Mapping.ViewGeneration.Structures {
// This class represents the nodes that reside at the leaves of the tree
internal class LeafCellTreeNode : CellTreeNode {
#region Constructor
// effects: Encapsulate the cell wrapper in the node
internal LeafCellTreeNode(CellNormalizer normalizer, LeftCellWrapper cellWrapper)
: base(normalizer)
{
m_cellWrapper = cellWrapper;
m_leftFragmentQuery = cellWrapper.FragmentQuery;
cellWrapper.AssertHasUniqueCell();
m_rightFragmentQuery = FragmentQuery.Create(
cellWrapper.OriginalCellNumberString,
cellWrapper.CreateRoleBoolean(),
cellWrapper.RightCellQuery);
}
internal LeafCellTreeNode(CellNormalizer normalizer, LeftCellWrapper cellWrapper, FragmentQuery rightFragmentQuery)
: base(normalizer)
{
m_cellWrapper = cellWrapper;
m_leftFragmentQuery = cellWrapper.FragmentQuery;
m_rightFragmentQuery = rightFragmentQuery;
}
#endregion
#region Fields
internal static readonly IEqualityComparer EqualityComparer = new LeafCellTreeNodeComparer();
// The cell at the leaf level
private LeftCellWrapper m_cellWrapper;
private FragmentQuery m_leftFragmentQuery;
private FragmentQuery m_rightFragmentQuery;
#endregion
#region Properties
internal LeftCellWrapper LeftCellWrapper {
get { return m_cellWrapper;}
}
internal override MemberDomainMap RightDomainMap {
get { return m_cellWrapper.RightDomainMap; }
}
// effects: Returns the cell query denoting the right side
internal CellQuery RightCellQuery {
get { return m_cellWrapper.RightCellQuery; }
}
// effects: See CellTreeNode.FragmentQuery
internal override FragmentQuery LeftFragmentQuery { get { return m_cellWrapper.FragmentQuery; } }
internal override FragmentQuery RightFragmentQuery
{
get
{
Debug.Assert(m_rightFragmentQuery != null, "Unassigned right fragment query");
return m_rightFragmentQuery;
}
}
// effects: See CellTreeNode.Attributes
internal override Set Attributes { get { return m_cellWrapper.Attributes; } }
// effects: See CellTreeNode.Children
internal override List Children { get { return new List(); } }
// effects: See CellTreeNode.OpType
internal override CellTreeOpType OpType { get { return CellTreeOpType.Leaf; } }
internal override int NumProjectedSlots {
get { return RightCellQuery.NumProjectedSlots; }
}
internal override int NumBoolSlots {
get { return RightCellQuery.NumBoolVars; }
}
#endregion
#region Methods
internal override TOutput Accept(CellTreeVisitor visitor, TInput param) {
return visitor.VisitLeaf(this, param);
}
internal override TOutput Accept(SimpleCellTreeVisitor visitor, TInput param) {
return visitor.VisitLeaf(this, param);
}
internal override bool IsProjectedSlot(int slot) {
CellQuery cellQuery = RightCellQuery;
if (IsBoolSlot(slot)) {
return cellQuery.GetBoolVar(SlotToBoolIndex(slot)) != null;
} else {
return cellQuery.ProjectedSlotAt(slot) != null;
}
}
#endregion
#region Leaf CqlBlock Methods
internal override CqlBlock ToCqlBlock(bool[] requiredSlots, CqlIdentifiers identifiers, ref int blockAliasNum,
ref List withStatements)
{
// Get the projected slots and the boolean expressions
int totalSlots = requiredSlots.Length;
CellQuery cellQuery = RightCellQuery;
SlotInfo[] projectedSlots = new SlotInfo[totalSlots];
Debug.Assert(cellQuery.NumProjectedSlots + cellQuery.NumBoolVars == totalSlots,
"Wrong number of projected slots in node");
Debug.Assert(cellQuery.NumProjectedSlots == ProjectedSlotMap.Count,
"Different number of slots in cell query and what we have mappings for");
// Add the regular fields
for (int i = 0; i < cellQuery.NumProjectedSlots; i++) {
ProjectedSlot slot = cellQuery.ProjectedSlotAt(i);
// If the slot is not null, we will project it
// For extents, we say that all requiredlots are the only the
// ones that are CLR non-null. Recall that "real" nulls are
// handled by having a CellConstant.Null in ConstantSlot
if (requiredSlots[i] && slot == null)
{
ConstantSlot defaultValue = new ConstantSlot(CellConstantDomain.GetDefaultValueForMemberPath(ProjectedSlotMap[i], GetLeaves(), CellNormalizer.Config));
cellQuery.FixMissingSlotAsDefaultConstant(i, defaultValue);
slot = defaultValue;
}
SlotInfo slotInfo = new SlotInfo(requiredSlots[i], slot != null,
slot, ProjectedSlotMap[i]);
projectedSlots[i] = slotInfo;
}
// Add the boolean fields
for (int boolNum = 0; boolNum < cellQuery.NumBoolVars; boolNum++) {
BoolExpression expr = cellQuery.GetBoolVar(boolNum);
BooleanProjectedSlot boolSlot;
if (expr != null) {
boolSlot = new BooleanProjectedSlot(expr, identifiers, boolNum);
} else {
boolSlot = new BooleanProjectedSlot(BoolExpression.False, identifiers, boolNum);
}
int slotIndex = BoolIndexToSlot(boolNum);
SlotInfo slotInfo = new SlotInfo(requiredSlots[slotIndex], expr != null,
boolSlot, null);
projectedSlots[slotIndex] = slotInfo;
}
//See if we are generating a query view and whether there are any colocated foreign keys for which
//we have to add With statements
IEnumerable totalProjectedSlots = projectedSlots;
if ( (cellQuery.Extent.EntityContainer.DataSpace == DataSpace.SSpace)
&& (this.m_cellWrapper.LeftExtent.BuiltInTypeKind == BuiltInTypeKind.EntitySet))
{
IEnumerable associationSetMaps =
this.CellNormalizer.EntityContainerMapping.GetRelationshipSetMappingsFor(this.m_cellWrapper.LeftExtent, cellQuery.Extent);
List foreignKeySlots = new List();
foreach (StorageAssociationSetMapping colocatedAssociationSetMap in associationSetMaps)
{
WithStatement withStatement;
if (TryGetWithStatement(colocatedAssociationSetMap, this.m_cellWrapper.LeftExtent, cellQuery.JoinTreeRoot, ref foreignKeySlots, out withStatement))
{
withStatements.Add(withStatement);
totalProjectedSlots = projectedSlots.Concat(foreignKeySlots);
}
}
}
ExtentCqlBlock result = new ExtentCqlBlock(cellQuery.Extent, totalProjectedSlots.ToArray(),
cellQuery.WhereClause, identifiers, ++blockAliasNum);
return result;
}
private bool TryGetWithStatement(StorageAssociationSetMapping colocatedAssociationSetMap, EntitySetBase thisExtent, JoinTreeNode sRootNode,
ref List foreignKeySlots, out WithStatement withStatement)
{
Debug.Assert(foreignKeySlots != null);
withStatement = null;
//Get the map for foreign key end
StorageEndPropertyMapping foreignKeyEndMap = GetForeignKeyEndMapFromAssocitionMap(colocatedAssociationSetMap, thisExtent);
if ( (foreignKeyEndMap == null)
|| (foreignKeyEndMap.EndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many) )
{
return false;
}
//Collect the member paths for edm scalar properties that are part of the end mapping
//These will be used as part of With Statement
List associationEndMemberPaths = new List();
//Get the member path for AssociationSet
AssociationSet associationSet = (AssociationSet)colocatedAssociationSetMap.Set;
MemberPath prefix = new MemberPath(associationSet, foreignKeyEndMap.EndMember, this.CellNormalizer.Workspace);
//Get the key properties from edm type since the query parser depends on the order of key members
EntityTypeBase edmEntityType = ((RefType)(foreignKeyEndMap.EndMember.TypeUsage.EdmType)).ElementType;
IEnumerable propertyMaps = foreignKeyEndMap.Properties.Cast();
foreach (EdmProperty edmProperty in edmEntityType.KeyMembers)
{
IEnumerable scalarPropertyMaps = propertyMaps.Where(propMap => (propMap.EdmProperty.Equals(edmProperty)));
Debug.Assert(scalarPropertyMaps.Count() == 1, "Can't Map the same column multiple times in the same end");
StorageScalarPropertyMapping scalarPropertyMap = scalarPropertyMaps.First();
//Create SlotInfo for Freign Key member that needs to be projected
JoinTreeSlot sSlot = new JoinTreeSlot(sRootNode.CreateAttributeNode(scalarPropertyMap.ColumnProperty));
MemberPath endMemberKeyPath = new MemberPath(prefix, edmProperty);
associationEndMemberPaths.Add(endMemberKeyPath);
foreignKeySlots.Add(new SlotInfo(true, true, sSlot, endMemberKeyPath));
}
//Now create the With Statement with all the needed info like ToEntitySet, AssociationSet, FromRoleName, ToRoleName
EntitySet refEntitySet = MetadataHelper.GetEntitySetAtEnd(associationSet, (AssociationEndMember)(foreignKeyEndMap.EndMember));
AssociationEndMember fromEnd = MetadataHelper.GetOtherAssociationEnd((AssociationEndMember)(foreignKeyEndMap.EndMember));
EntityType endEntityType = (EntityType)(((RefType)foreignKeyEndMap.EndMember.TypeUsage.EdmType).ElementType);
EntityType fromEndEntityType = (EntityType)(((RefType)fromEnd.TypeUsage.EdmType).ElementType);
withStatement = new WithStatement(refEntitySet, endEntityType, fromEndEntityType,associationSet, fromEnd.Name, foreignKeyEndMap.EndMember.Name, associationEndMemberPaths);
return true;
}
//Gets the end that is not mapped to the primary key of the table
private StorageEndPropertyMapping GetForeignKeyEndMapFromAssocitionMap(StorageAssociationSetMapping colocatedAssociationSetMap, EntitySetBase thisExtent)
{
StorageMappingFragment mapFragment = colocatedAssociationSetMap.TypeMappings.First().MappingFragments.First();
EntitySet storeEntitySet = (EntitySet)(colocatedAssociationSetMap.StoreEntitySet);
IEnumerable keyProperties = storeEntitySet.ElementType.KeyMembers;
//Find the end that's mapped to primary key
foreach (StorageEndPropertyMapping endMap in mapFragment.Properties)
{
IEnumerable endStoreMembers = endMap.StoreProperties;
if (endStoreMembers.SequenceEqual(keyProperties, EqualityComparer.Default))
{
//Return the map for the other end since that is the foreign key end
IEnumerable otherEnds = mapFragment.Properties.OfType().Where(eMap => (!eMap.Equals(endMap)));
Debug.Assert(otherEnds.Count() == 1);
return otherEnds.First();
}
}
//This is probably defensive, but there should be no problem in falling back on the
//AssociationSetMap if colocated foreign key is not found for some reason.
return null;
}
#endregion
#region String Methods
// effects: See CellTreeNode.ToString
internal override void ToCompactString(StringBuilder stringBuilder) {
m_cellWrapper.ToCompactString(stringBuilder);
}
#endregion
#region IEqualityComparer
// A comparer that equates leaf nodes if the wrapper is the same
private class LeafCellTreeNodeComparer : IEqualityComparer {
public bool Equals(LeafCellTreeNode left, LeafCellTreeNode right) {
// Quick check with references
if (object.ReferenceEquals(left, right)) {
// Gets the Null and Undefined case as well
return true;
}
// One of them is non-null at least
if (left == null || right == null) {
return false;
}
// Both are non-null at this point
return left.m_cellWrapper.Equals(right.m_cellWrapper);
}
public int GetHashCode(LeafCellTreeNode node) {
return node.m_cellWrapper.GetHashCode();
}
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//
// @owner [....]
// @backupOwner [....]
//---------------------------------------------------------------------
using System.Collections.Generic;
using System.Data.Common.Utils;
using System.Data.Mapping.ViewGeneration.CqlGeneration;
using System.Data.Mapping.ViewGeneration.QueryRewriting;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Data.Metadata.Edm;
namespace System.Data.Mapping.ViewGeneration.Structures {
// This class represents the nodes that reside at the leaves of the tree
internal class LeafCellTreeNode : CellTreeNode {
#region Constructor
// effects: Encapsulate the cell wrapper in the node
internal LeafCellTreeNode(CellNormalizer normalizer, LeftCellWrapper cellWrapper)
: base(normalizer)
{
m_cellWrapper = cellWrapper;
m_leftFragmentQuery = cellWrapper.FragmentQuery;
cellWrapper.AssertHasUniqueCell();
m_rightFragmentQuery = FragmentQuery.Create(
cellWrapper.OriginalCellNumberString,
cellWrapper.CreateRoleBoolean(),
cellWrapper.RightCellQuery);
}
internal LeafCellTreeNode(CellNormalizer normalizer, LeftCellWrapper cellWrapper, FragmentQuery rightFragmentQuery)
: base(normalizer)
{
m_cellWrapper = cellWrapper;
m_leftFragmentQuery = cellWrapper.FragmentQuery;
m_rightFragmentQuery = rightFragmentQuery;
}
#endregion
#region Fields
internal static readonly IEqualityComparer EqualityComparer = new LeafCellTreeNodeComparer();
// The cell at the leaf level
private LeftCellWrapper m_cellWrapper;
private FragmentQuery m_leftFragmentQuery;
private FragmentQuery m_rightFragmentQuery;
#endregion
#region Properties
internal LeftCellWrapper LeftCellWrapper {
get { return m_cellWrapper;}
}
internal override MemberDomainMap RightDomainMap {
get { return m_cellWrapper.RightDomainMap; }
}
// effects: Returns the cell query denoting the right side
internal CellQuery RightCellQuery {
get { return m_cellWrapper.RightCellQuery; }
}
// effects: See CellTreeNode.FragmentQuery
internal override FragmentQuery LeftFragmentQuery { get { return m_cellWrapper.FragmentQuery; } }
internal override FragmentQuery RightFragmentQuery
{
get
{
Debug.Assert(m_rightFragmentQuery != null, "Unassigned right fragment query");
return m_rightFragmentQuery;
}
}
// effects: See CellTreeNode.Attributes
internal override Set Attributes { get { return m_cellWrapper.Attributes; } }
// effects: See CellTreeNode.Children
internal override List Children { get { return new List(); } }
// effects: See CellTreeNode.OpType
internal override CellTreeOpType OpType { get { return CellTreeOpType.Leaf; } }
internal override int NumProjectedSlots {
get { return RightCellQuery.NumProjectedSlots; }
}
internal override int NumBoolSlots {
get { return RightCellQuery.NumBoolVars; }
}
#endregion
#region Methods
internal override TOutput Accept(CellTreeVisitor visitor, TInput param) {
return visitor.VisitLeaf(this, param);
}
internal override TOutput Accept(SimpleCellTreeVisitor visitor, TInput param) {
return visitor.VisitLeaf(this, param);
}
internal override bool IsProjectedSlot(int slot) {
CellQuery cellQuery = RightCellQuery;
if (IsBoolSlot(slot)) {
return cellQuery.GetBoolVar(SlotToBoolIndex(slot)) != null;
} else {
return cellQuery.ProjectedSlotAt(slot) != null;
}
}
#endregion
#region Leaf CqlBlock Methods
internal override CqlBlock ToCqlBlock(bool[] requiredSlots, CqlIdentifiers identifiers, ref int blockAliasNum,
ref List withStatements)
{
// Get the projected slots and the boolean expressions
int totalSlots = requiredSlots.Length;
CellQuery cellQuery = RightCellQuery;
SlotInfo[] projectedSlots = new SlotInfo[totalSlots];
Debug.Assert(cellQuery.NumProjectedSlots + cellQuery.NumBoolVars == totalSlots,
"Wrong number of projected slots in node");
Debug.Assert(cellQuery.NumProjectedSlots == ProjectedSlotMap.Count,
"Different number of slots in cell query and what we have mappings for");
// Add the regular fields
for (int i = 0; i < cellQuery.NumProjectedSlots; i++) {
ProjectedSlot slot = cellQuery.ProjectedSlotAt(i);
// If the slot is not null, we will project it
// For extents, we say that all requiredlots are the only the
// ones that are CLR non-null. Recall that "real" nulls are
// handled by having a CellConstant.Null in ConstantSlot
if (requiredSlots[i] && slot == null)
{
ConstantSlot defaultValue = new ConstantSlot(CellConstantDomain.GetDefaultValueForMemberPath(ProjectedSlotMap[i], GetLeaves(), CellNormalizer.Config));
cellQuery.FixMissingSlotAsDefaultConstant(i, defaultValue);
slot = defaultValue;
}
SlotInfo slotInfo = new SlotInfo(requiredSlots[i], slot != null,
slot, ProjectedSlotMap[i]);
projectedSlots[i] = slotInfo;
}
// Add the boolean fields
for (int boolNum = 0; boolNum < cellQuery.NumBoolVars; boolNum++) {
BoolExpression expr = cellQuery.GetBoolVar(boolNum);
BooleanProjectedSlot boolSlot;
if (expr != null) {
boolSlot = new BooleanProjectedSlot(expr, identifiers, boolNum);
} else {
boolSlot = new BooleanProjectedSlot(BoolExpression.False, identifiers, boolNum);
}
int slotIndex = BoolIndexToSlot(boolNum);
SlotInfo slotInfo = new SlotInfo(requiredSlots[slotIndex], expr != null,
boolSlot, null);
projectedSlots[slotIndex] = slotInfo;
}
//See if we are generating a query view and whether there are any colocated foreign keys for which
//we have to add With statements
IEnumerable totalProjectedSlots = projectedSlots;
if ( (cellQuery.Extent.EntityContainer.DataSpace == DataSpace.SSpace)
&& (this.m_cellWrapper.LeftExtent.BuiltInTypeKind == BuiltInTypeKind.EntitySet))
{
IEnumerable associationSetMaps =
this.CellNormalizer.EntityContainerMapping.GetRelationshipSetMappingsFor(this.m_cellWrapper.LeftExtent, cellQuery.Extent);
List foreignKeySlots = new List();
foreach (StorageAssociationSetMapping colocatedAssociationSetMap in associationSetMaps)
{
WithStatement withStatement;
if (TryGetWithStatement(colocatedAssociationSetMap, this.m_cellWrapper.LeftExtent, cellQuery.JoinTreeRoot, ref foreignKeySlots, out withStatement))
{
withStatements.Add(withStatement);
totalProjectedSlots = projectedSlots.Concat(foreignKeySlots);
}
}
}
ExtentCqlBlock result = new ExtentCqlBlock(cellQuery.Extent, totalProjectedSlots.ToArray(),
cellQuery.WhereClause, identifiers, ++blockAliasNum);
return result;
}
private bool TryGetWithStatement(StorageAssociationSetMapping colocatedAssociationSetMap, EntitySetBase thisExtent, JoinTreeNode sRootNode,
ref List foreignKeySlots, out WithStatement withStatement)
{
Debug.Assert(foreignKeySlots != null);
withStatement = null;
//Get the map for foreign key end
StorageEndPropertyMapping foreignKeyEndMap = GetForeignKeyEndMapFromAssocitionMap(colocatedAssociationSetMap, thisExtent);
if ( (foreignKeyEndMap == null)
|| (foreignKeyEndMap.EndMember.RelationshipMultiplicity == RelationshipMultiplicity.Many) )
{
return false;
}
//Collect the member paths for edm scalar properties that are part of the end mapping
//These will be used as part of With Statement
List associationEndMemberPaths = new List();
//Get the member path for AssociationSet
AssociationSet associationSet = (AssociationSet)colocatedAssociationSetMap.Set;
MemberPath prefix = new MemberPath(associationSet, foreignKeyEndMap.EndMember, this.CellNormalizer.Workspace);
//Get the key properties from edm type since the query parser depends on the order of key members
EntityTypeBase edmEntityType = ((RefType)(foreignKeyEndMap.EndMember.TypeUsage.EdmType)).ElementType;
IEnumerable propertyMaps = foreignKeyEndMap.Properties.Cast();
foreach (EdmProperty edmProperty in edmEntityType.KeyMembers)
{
IEnumerable scalarPropertyMaps = propertyMaps.Where(propMap => (propMap.EdmProperty.Equals(edmProperty)));
Debug.Assert(scalarPropertyMaps.Count() == 1, "Can't Map the same column multiple times in the same end");
StorageScalarPropertyMapping scalarPropertyMap = scalarPropertyMaps.First();
//Create SlotInfo for Freign Key member that needs to be projected
JoinTreeSlot sSlot = new JoinTreeSlot(sRootNode.CreateAttributeNode(scalarPropertyMap.ColumnProperty));
MemberPath endMemberKeyPath = new MemberPath(prefix, edmProperty);
associationEndMemberPaths.Add(endMemberKeyPath);
foreignKeySlots.Add(new SlotInfo(true, true, sSlot, endMemberKeyPath));
}
//Now create the With Statement with all the needed info like ToEntitySet, AssociationSet, FromRoleName, ToRoleName
EntitySet refEntitySet = MetadataHelper.GetEntitySetAtEnd(associationSet, (AssociationEndMember)(foreignKeyEndMap.EndMember));
AssociationEndMember fromEnd = MetadataHelper.GetOtherAssociationEnd((AssociationEndMember)(foreignKeyEndMap.EndMember));
EntityType endEntityType = (EntityType)(((RefType)foreignKeyEndMap.EndMember.TypeUsage.EdmType).ElementType);
EntityType fromEndEntityType = (EntityType)(((RefType)fromEnd.TypeUsage.EdmType).ElementType);
withStatement = new WithStatement(refEntitySet, endEntityType, fromEndEntityType,associationSet, fromEnd.Name, foreignKeyEndMap.EndMember.Name, associationEndMemberPaths);
return true;
}
//Gets the end that is not mapped to the primary key of the table
private StorageEndPropertyMapping GetForeignKeyEndMapFromAssocitionMap(StorageAssociationSetMapping colocatedAssociationSetMap, EntitySetBase thisExtent)
{
StorageMappingFragment mapFragment = colocatedAssociationSetMap.TypeMappings.First().MappingFragments.First();
EntitySet storeEntitySet = (EntitySet)(colocatedAssociationSetMap.StoreEntitySet);
IEnumerable keyProperties = storeEntitySet.ElementType.KeyMembers;
//Find the end that's mapped to primary key
foreach (StorageEndPropertyMapping endMap in mapFragment.Properties)
{
IEnumerable endStoreMembers = endMap.StoreProperties;
if (endStoreMembers.SequenceEqual(keyProperties, EqualityComparer.Default))
{
//Return the map for the other end since that is the foreign key end
IEnumerable otherEnds = mapFragment.Properties.OfType().Where(eMap => (!eMap.Equals(endMap)));
Debug.Assert(otherEnds.Count() == 1);
return otherEnds.First();
}
}
//This is probably defensive, but there should be no problem in falling back on the
//AssociationSetMap if colocated foreign key is not found for some reason.
return null;
}
#endregion
#region String Methods
// effects: See CellTreeNode.ToString
internal override void ToCompactString(StringBuilder stringBuilder) {
m_cellWrapper.ToCompactString(stringBuilder);
}
#endregion
#region IEqualityComparer
// A comparer that equates leaf nodes if the wrapper is the same
private class LeafCellTreeNodeComparer : IEqualityComparer {
public bool Equals(LeafCellTreeNode left, LeafCellTreeNode right) {
// Quick check with references
if (object.ReferenceEquals(left, right)) {
// Gets the Null and Undefined case as well
return true;
}
// One of them is non-null at least
if (left == null || right == null) {
return false;
}
// Both are non-null at this point
return left.m_cellWrapper.Equals(right.m_cellWrapper);
}
public int GetHashCode(LeafCellTreeNode node) {
return node.m_cellWrapper.GetHashCode();
}
}
#endregion
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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