CheckNestedRelations() private method

private CheckNestedRelations ( ) : void
return void
            protected override void AddCore(DataRelation relation) {
                base.AddCore(relation);
                if (relation.ChildTable.DataSet != dataSet || relation.ParentTable.DataSet != dataSet)
                    throw ExceptionBuilder.ForeignRelation();

                relation.CheckState();
                if(relation.Nested) {
                    relation.CheckNestedRelations();
                }

                if (relation.relationName.Length == 0)
                    relation.relationName = AssignName();
                else
                    RegisterName(relation.relationName);

                DataKey childKey = relation.ChildKey;

                for (int i = 0; i < relations.Count; i++) {
                    if (childKey.ColumnsEqual(((DataRelation)relations[i]).ChildKey)) {
                        if (relation.ParentKey.ColumnsEqual(((DataRelation)relations[i]).ParentKey))
                            throw ExceptionBuilder.RelationAlreadyExists();
                    }
                }

                relations.Add(relation);
                ((DataRelationCollection.DataTableRelationCollection)(relation.ParentTable.ChildRelations)).Add(relation); // Caching in ParentTable -> ChildRelations
                ((DataRelationCollection.DataTableRelationCollection)(relation.ChildTable.ParentRelations)).Add(relation); // Caching in ChildTable -> ParentRelations

                relation.SetDataSet(dataSet);
                relation.ChildKey.GetSortIndex().AddRef();
                if (relation.Nested) {
                    relation.ChildTable.CacheNestedParent();
                }

                ForeignKeyConstraint foreignKey = relation.ChildTable.Constraints.FindForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference);
                if (relation.createConstraints) {
                    if (foreignKey == null) {
                        relation.ChildTable.Constraints.Add(foreignKey = new ForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference));

                        // try to name the fk constraint the same as the parent relation:
                        try {
                            foreignKey.ConstraintName = relation.RelationName;
                        }
                        catch (Exception e) {
                            // 
                            if (!Common.ADP.IsCatchableExceptionType(e)) {
                                throw;
                            }
                            ExceptionBuilder.TraceExceptionWithoutRethrow(e);
                            // ignore the exception
                        }
                    }
                }
                UniqueConstraint key = relation.ParentTable.Constraints.FindKeyConstraint(relation.ParentColumnsReference);
                relation.SetParentKeyConstraint(key);
                relation.SetChildKeyConstraint(foreignKey);
            }
示例#2
0
            protected override void AddCore(DataRelation relation)
            {
                base.AddCore(relation);
                if (relation.ChildTable.DataSet != _dataSet || relation.ParentTable.DataSet != _dataSet)
                {
                    throw ExceptionBuilder.ForeignRelation();
                }

                relation.CheckState();
                if (relation.Nested)
                {
                    relation.CheckNestedRelations();
                }

                if (relation._relationName.Length == 0)
                {
                    relation._relationName = AssignName();
                }
                else
                {
                    RegisterName(relation._relationName);
                }

                DataKey childKey = relation.ChildKey;

                for (int i = 0; i < _relations.Count; i++)
                {
                    if (childKey.ColumnsEqual(((DataRelation)_relations[i] !).ChildKey))
                    {
                        if (relation.ParentKey.ColumnsEqual(((DataRelation)_relations[i] !).ParentKey))
                        {
                            throw ExceptionBuilder.RelationAlreadyExists();
                        }
                    }
                }

                _relations.Add(relation);
                ((DataTableRelationCollection)(relation.ParentTable.ChildRelations)).Add(relation); // Caching in ParentTable -> ChildRelations
                ((DataTableRelationCollection)(relation.ChildTable.ParentRelations)).Add(relation); // Caching in ChildTable -> ParentRelations

                relation.SetDataSet(_dataSet);
                relation.ChildKey.GetSortIndex().AddRef();
                if (relation.Nested)
                {
                    relation.ChildTable.CacheNestedParent();
                }

                ForeignKeyConstraint?foreignKey = relation.ChildTable.Constraints.FindForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference);

                if (relation._createConstraints)
                {
                    if (foreignKey == null)
                    {
                        relation.ChildTable.Constraints.Add(foreignKey = new ForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference));

                        // try to name the fk constraint the same as the parent relation:
                        try
                        {
                            foreignKey.ConstraintName = relation.RelationName;
                        }
                        catch (Exception e) when(Common.ADP.IsCatchableExceptionType(e))
                        {
                            ExceptionBuilder.TraceExceptionWithoutRethrow(e);
                        }
                    }
                }
                UniqueConstraint?key = relation.ParentTable.Constraints.FindKeyConstraint(relation.ParentColumnsReference);

                relation.SetParentKeyConstraint(key);
                relation.SetChildKeyConstraint(foreignKey);
            }
示例#3
0
            protected override void AddCore(DataRelation relation)
            {
                base.AddCore(relation);
                if (relation.ChildTable.DataSet != dataSet || relation.ParentTable.DataSet != dataSet)
                {
                    throw ExceptionBuilder.ForeignRelation();
                }

                relation.CheckState();
                if (relation.Nested)
                {
                    relation.CheckNestedRelations();
                }

                if (relation.relationName.Length == 0)
                {
                    relation.relationName = AssignName();
                }
                else
                {
                    RegisterName(relation.relationName);
                }

                DataKey childKey = relation.ChildKey;

                for (int i = 0; i < relations.Count; i++)
                {
                    if (childKey.ColumnsEqual(((DataRelation)relations[i]).ChildKey))
                    {
                        if (relation.ParentKey.ColumnsEqual(((DataRelation)relations[i]).ParentKey))
                        {
                            throw ExceptionBuilder.RelationAlreadyExists();
                        }
                    }
                }

                relations.Add(relation);
                ((DataRelationCollection.DataTableRelationCollection)(relation.ParentTable.ChildRelations)).Add(relation); // Caching in ParentTable -> ChildRelations
                ((DataRelationCollection.DataTableRelationCollection)(relation.ChildTable.ParentRelations)).Add(relation); // Caching in ChildTable -> ParentRelations

                relation.SetDataSet(dataSet);
                relation.ChildKey.GetSortIndex().AddRef();
                if (relation.Nested)
                {
                    relation.ChildTable.CacheNestedParent(relation);
                }

                ForeignKeyConstraint foreignKey = relation.ChildTable.Constraints.FindForeignKeyConstraint(relation.ParentColumns, relation.ChildColumns);

                if (relation.createConstraints)
                {
                    if (foreignKey == null)
                    {
                        relation.ChildTable.Constraints.Add(foreignKey = new ForeignKeyConstraint(relation.ParentColumns, relation.ChildColumns));

                        // try to name the fk constraint the same as the parent relation:
                        try {
                            foreignKey.ConstraintName = relation.RelationName;
                        } catch {
                            // ignore the exception
                        }
                    }
                }
                UniqueConstraint key = relation.ParentTable.Constraints.FindKeyConstraint(relation.ParentColumns);

                relation.SetParentKeyConstraint(key);
                relation.SetChildKeyConstraint(foreignKey);
            }
            protected override void AddCore(DataRelation relation)
            {
                base.AddCore(relation);
                if ((relation.ChildTable.DataSet != this.dataSet) || (relation.ParentTable.DataSet != this.dataSet))
                {
                    throw ExceptionBuilder.ForeignRelation();
                }
                relation.CheckState();
                if (relation.Nested)
                {
                    relation.CheckNestedRelations();
                }
                if (relation.relationName.Length == 0)
                {
                    relation.relationName = base.AssignName();
                }
                else
                {
                    base.RegisterName(relation.relationName);
                }
                DataKey childKey = relation.ChildKey;

                for (int i = 0; i < this.relations.Count; i++)
                {
                    if (childKey.ColumnsEqual(((DataRelation)this.relations[i]).ChildKey) && relation.ParentKey.ColumnsEqual(((DataRelation)this.relations[i]).ParentKey))
                    {
                        throw ExceptionBuilder.RelationAlreadyExists();
                    }
                }
                this.relations.Add(relation);
                ((DataRelationCollection.DataTableRelationCollection)relation.ParentTable.ChildRelations).Add(relation);
                ((DataRelationCollection.DataTableRelationCollection)relation.ChildTable.ParentRelations).Add(relation);
                relation.SetDataSet(this.dataSet);
                relation.ChildKey.GetSortIndex().AddRef();
                if (relation.Nested)
                {
                    relation.ChildTable.CacheNestedParent();
                }
                ForeignKeyConstraint constraint = relation.ChildTable.Constraints.FindForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference);

                if (relation.createConstraints && (constraint == null))
                {
                    relation.ChildTable.Constraints.Add(constraint = new ForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference));
                    try
                    {
                        constraint.ConstraintName = relation.RelationName;
                    }
                    catch (Exception exception)
                    {
                        if (!ADP.IsCatchableExceptionType(exception))
                        {
                            throw;
                        }
                        ExceptionBuilder.TraceExceptionWithoutRethrow(exception);
                    }
                }
                UniqueConstraint constraint2 = relation.ParentTable.Constraints.FindKeyConstraint(relation.ParentColumnsReference);

                relation.SetParentKeyConstraint(constraint2);
                relation.SetChildKeyConstraint(constraint);
            }
 protected override void AddCore(DataRelation relation)
 {
     base.AddCore(relation);
     if ((relation.ChildTable.DataSet != this.dataSet) || (relation.ParentTable.DataSet != this.dataSet))
     {
         throw ExceptionBuilder.ForeignRelation();
     }
     relation.CheckState();
     if (relation.Nested)
     {
         relation.CheckNestedRelations();
     }
     if (relation.relationName.Length == 0)
     {
         relation.relationName = base.AssignName();
     }
     else
     {
         base.RegisterName(relation.relationName);
     }
     DataKey childKey = relation.ChildKey;
     for (int i = 0; i < this.relations.Count; i++)
     {
         if (childKey.ColumnsEqual(((DataRelation) this.relations[i]).ChildKey) && relation.ParentKey.ColumnsEqual(((DataRelation) this.relations[i]).ParentKey))
         {
             throw ExceptionBuilder.RelationAlreadyExists();
         }
     }
     this.relations.Add(relation);
     ((DataRelationCollection.DataTableRelationCollection) relation.ParentTable.ChildRelations).Add(relation);
     ((DataRelationCollection.DataTableRelationCollection) relation.ChildTable.ParentRelations).Add(relation);
     relation.SetDataSet(this.dataSet);
     relation.ChildKey.GetSortIndex().AddRef();
     if (relation.Nested)
     {
         relation.ChildTable.CacheNestedParent();
     }
     ForeignKeyConstraint constraint = relation.ChildTable.Constraints.FindForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference);
     if (relation.createConstraints && (constraint == null))
     {
         relation.ChildTable.Constraints.Add(constraint = new ForeignKeyConstraint(relation.ParentColumnsReference, relation.ChildColumnsReference));
         try
         {
             constraint.ConstraintName = relation.RelationName;
         }
         catch (Exception exception)
         {
             if (!ADP.IsCatchableExceptionType(exception))
             {
                 throw;
             }
             ExceptionBuilder.TraceExceptionWithoutRethrow(exception);
         }
     }
     UniqueConstraint constraint2 = relation.ParentTable.Constraints.FindKeyConstraint(relation.ParentColumnsReference);
     relation.SetParentKeyConstraint(constraint2);
     relation.SetChildKeyConstraint(constraint);
 }