CypherQueryBuilder 1.6.1

.NET 8.0 This package targets .NET 8.0. The package is compatible with this framework or higher.
There is a newer version of this package available.
See the version list below for details. 
dotnet add package CypherQueryBuilder --version 1.6.1                

                    
                

            
NuGet\Install-Package CypherQueryBuilder -Version 1.6.1
This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package. 
<PackageReference Include="CypherQueryBuilder" Version="1.6.1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package. 
paket add CypherQueryBuilder --version 1.6.1                

                    
                

            
#r "nuget: CypherQueryBuilder, 1.6.1"
#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package. 
// Install CypherQueryBuilder as a Cake Addin
#addin nuget:?package=CypherQueryBuilder&version=1.6.1

// Install CypherQueryBuilder as a Cake Tool
#tool nuget:?package=CypherQueryBuilder&version=1.6.1
CypherQueryBuilder

CypherQueryBuilder Assembly

Namespaces

<a name='CypherQueryBuilder'></a>

CypherQueryBuilder Namespace

Classes

<a name='CypherQueryBuilder.CreateQuery'></a>

CreateQuery Class

public class CreateQuery : CypherQueryBuilder.MatchQuery

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase 🡒 MatchQuery 🡒 CreateQuery

Methods

<a name='CypherQueryBuilder.CreateQuery.Compile()'></a>

CreateQuery.Compile() Method

Compiles this instance to Cypher Query string.

public override string Compile();
Returns

System.String
Cypher Query string

See Also

<a name='CypherQueryBuilder.CreateQuery.CompileWithParemeters()'></a>

CreateQuery.CompileWithParemeters() Method

Compiles the instance to Cypher Query string with paremeters.

public override ValueTuple<string,Dictionary<string,object?>> CompileWithParemeters();
Returns

System.ValueTuple
ValueTuple<string, Dictionary<string, Nullable<Object>>>

Example

Usage:

var metaDataCount = 2;  
            var metaDataNodes = new Node<MetaData>[metaDataCount];  
            for (int i = 0; i < metaDataCount; i++)  
            {  
                var id = $"mId_{i}";  
                metaDataNodes[i] = Node<MetaData>.Instance(i).Where(p => p.Uid == id);  
            }  
            var domainNode = Node<Domain>.Instance().Where(p => p.Uid == "TestDomain");  
            var (mq, parameters) = Query.Match(domainNode, metaDataNodes).CompileAsParemeterized();

See Also

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object)'></a>

CreateQuery.CreateRelation(string, string, Node, Node, bool, object) Method

Creates the relation.

public override CypherQueryBuilder.CreateQuery CreateRelation(string alias, string label, CypherQueryBuilder.Node from, CypherQueryBuilder.Node to, bool toMerge=false, object? properties=null);
Parameters

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).alias'></a>

alias System.String

The alias.

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).label'></a>

label System.String

The label.

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).from'></a>

from Node

From.

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).to'></a>

to Node

To.

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).toMerge'></a>

toMerge System.Boolean

if set to true [to merge].

<a name='CypherQueryBuilder.CreateQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).properties'></a>

properties System.Object

The properties.

Returns

CreateQuery

<a name='CypherQueryBuilder.DeleteQuery'></a>

DeleteQuery Class

public class DeleteQuery : CypherQueryBuilder.MatchQuery

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase 🡒 MatchQuery 🡒 DeleteQuery

Methods

<a name='CypherQueryBuilder.DeleteQuery.Compile()'></a>

DeleteQuery.Compile() Method

Compiles this instance to Cypher Query string.

public override string Compile();
Returns

System.String
Cypher Query string

<a name='CypherQueryBuilder.DeleteQuery.Delete_T_(T[])'></a>

DeleteQuery.Delete<T>(T[]) Method

Deletes the specified entities.

public override CypherQueryBuilder.DeleteQuery Delete<T>(params T[] entities)
    where T : CypherQueryBuilder.Entity;
Type parameters

<a name='CypherQueryBuilder.DeleteQuery.Delete_T_(T[]).T'></a>

T

Parameters

<a name='CypherQueryBuilder.DeleteQuery.Delete_T_(T[]).entities'></a>

entities T[]

The entities to delete.

Returns

DeleteQuery
DeleteQuery

<a name='CypherQueryBuilder.DeleteQuery.Detach_T_(T[])'></a>

DeleteQuery.Detach<T>(T[]) Method

Detaches, i.e. delete with all the associated relations (if it is a node), the specified entities.

public override CypherQueryBuilder.DeleteQuery Detach<T>(params T[] entities)
    where T : CypherQueryBuilder.Entity;
Type parameters

<a name='CypherQueryBuilder.DeleteQuery.Detach_T_(T[]).T'></a>

T

Parameters

<a name='CypherQueryBuilder.DeleteQuery.Detach_T_(T[]).entities'></a>

entities T[]

The entities to detache and delete.

Returns

DeleteQuery
DeleteQuery

<a name='CypherQueryBuilder.DeleteQuery.ReleaseResources()'></a>

DeleteQuery.ReleaseResources() Method

Releases the resources, used while disposing.

public override void ReleaseResources();

<a name='CypherQueryBuilder.MatchQuery'></a>

MatchQuery Class

public class MatchQuery : CypherQueryBuilder.QueryBase

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase 🡒 MatchQuery

Derived
↳ CreateQuery
↳ DeleteQuery
↳ UpdateQuery

Methods

<a name='CypherQueryBuilder.MatchQuery.Compile()'></a>

MatchQuery.Compile() Method

Compiles this instance to Cypher Query string.

public override string Compile();
Returns

System.String
Cypher Query string

See Also

<a name='CypherQueryBuilder.MatchQuery.CompileWithParemeters()'></a>

MatchQuery.CompileWithParemeters() Method

Compiles the instance to Cypher Query string with paremeters.

public virtual ValueTuple<string,Dictionary<string,object?>> CompileWithParemeters();
Returns

System.ValueTuple
ValueTuple<string, Dictionary<string, Nullable<Object>>>

Example

Usage:

var metaDataCount = 2;  
            var metaDataNodes = new Node<MetaData>[metaDataCount];  
            for (int i = 0; i < metaDataCount; i++)  
            {  
                var id = $"mId_{i}";  
                metaDataNodes[i] = Node<MetaData>.Instance(i).Where(p => p.Uid == id);  
            }  
            var domainNode = Node<Domain>.Instance().Where(p => p.Uid == "TestDomain");  
            var (mq, parameters) = Query.Match(domainNode, metaDataNodes).CompileAsParemeterized();

See Also

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object)'></a>

MatchQuery.CreateRelation(string, string, Node, Node, bool, object) Method

Creates the relation.

public virtual CypherQueryBuilder.CreateQuery CreateRelation(string alias, string label, CypherQueryBuilder.Node from, CypherQueryBuilder.Node to, bool toMerge=false, object? properties=null);
Parameters

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).alias'></a>

alias System.String

The alias.

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).label'></a>

label System.String

The label.

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).from'></a>

from Node

From.

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).to'></a>

to Node

To.

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).toMerge'></a>

toMerge System.Boolean

if set to true [to merge].

<a name='CypherQueryBuilder.MatchQuery.CreateRelation(string,string,CypherQueryBuilder.Node,CypherQueryBuilder.Node,bool,object).properties'></a>

properties System.Object

The properties.

Returns

CreateQuery

<a name='CypherQueryBuilder.MatchQuery.Delete_T_(T[])'></a>

MatchQuery.Delete<T>(T[]) Method

Deletes the specified entities.

public virtual CypherQueryBuilder.DeleteQuery Delete<T>(params T[] entities)
    where T : CypherQueryBuilder.Entity;
Type parameters

<a name='CypherQueryBuilder.MatchQuery.Delete_T_(T[]).T'></a>

T

Parameters

<a name='CypherQueryBuilder.MatchQuery.Delete_T_(T[]).entities'></a>

entities T[]

The entities.

Returns

DeleteQuery

<a name='CypherQueryBuilder.MatchQuery.Detach_T_(T[])'></a>

MatchQuery.Detach<T>(T[]) Method

Detaches the specified entities.

public virtual CypherQueryBuilder.DeleteQuery Detach<T>(params T[] entities)
    where T : CypherQueryBuilder.Entity;
Type parameters

<a name='CypherQueryBuilder.MatchQuery.Detach_T_(T[]).T'></a>

T

Parameters

<a name='CypherQueryBuilder.MatchQuery.Detach_T_(T[]).entities'></a>

entities T[]

The entities.

Returns

DeleteQuery

<a name='CypherQueryBuilder.MatchQuery.Limit(int)'></a>

MatchQuery.Limit(int) Method

Limits the specified limit.

public CypherQueryBuilder.MatchQuery Limit(int limit);
Parameters

<a name='CypherQueryBuilder.MatchQuery.Limit(int).limit'></a>

limit System.Int32

The limit.

Returns

MatchQuery
MatchQuery

<a name='CypherQueryBuilder.MatchQuery.OrderBy_T,K_(Expression_Func_T,K__,string)'></a>

MatchQuery.OrderBy<T,K>(Expression<Func<T,K>>, string) Method

Orders the by.

public virtual CypherQueryBuilder.MatchQuery OrderBy<T,K>(Expression<Func<T,K>> keySelector, string? alias=null);
Type parameters

<a name='CypherQueryBuilder.MatchQuery.OrderBy_T,K_(Expression_Func_T,K__,string).T'></a>

T

Entity (Node or Relation)

<a name='CypherQueryBuilder.MatchQuery.OrderBy_T,K_(Expression_Func_T,K__,string).K'></a>

K

The property of the T type Node or Relation on which order by will be applied.

Parameters

<a name='CypherQueryBuilder.MatchQuery.OrderBy_T,K_(Expression_Func_T,K__,string).keySelector'></a>

keySelector System.Linq.Expressions.Expression

The key selector.

<a name='CypherQueryBuilder.MatchQuery.OrderBy_T,K_(Expression_Func_T,K__,string).alias'></a>

alias System.String

The alias.

Returns

MatchQuery
MatchQuery

Example

var movie = new Movie() { ReleaseYear = 2010, Title = "Gambler" };  
            var mNode = Node<Movie>.Instance(movie);  
            var q = Query  
                .Match(mNode, pNode)  
                .Return<Movie>()  
                .OrderBy<Movie, int>(m => m.ReleaseYear);

See Also

<a name='CypherQueryBuilder.MatchQuery.OrderByDescending_T,K_(Expression_Func_T,K__,string)'></a>

MatchQuery.OrderByDescending<T,K>(Expression<Func<T,K>>, string) Method

Orders the by descending.

public virtual CypherQueryBuilder.MatchQuery OrderByDescending<T,K>(Expression<Func<T,K>> keySelector, string? alias=null);
Type parameters

<a name='CypherQueryBuilder.MatchQuery.OrderByDescending_T,K_(Expression_Func_T,K__,string).T'></a>

T

Entity (Node or Relation)

<a name='CypherQueryBuilder.MatchQuery.OrderByDescending_T,K_(Expression_Func_T,K__,string).K'></a>

K

The property of the T type Node or Relation on which descending order by will be applied.

Parameters

<a name='CypherQueryBuilder.MatchQuery.OrderByDescending_T,K_(Expression_Func_T,K__,string).keySelector'></a>

keySelector System.Linq.Expressions.Expression

The key selector.

<a name='CypherQueryBuilder.MatchQuery.OrderByDescending_T,K_(Expression_Func_T,K__,string).alias'></a>

alias System.String

The alias.

Returns

MatchQuery
MatchQuery

Example

var movie = new Movie() { ReleaseYear = 2010, Title = "Gambler" };  
            var mNode = Node<Movie>.Instance(movie);  
            var q = Query  
                .Match(mNode, pNode)  
                .Return<Movie>()  
                .OrderByDescending<Movie, int>(m => m.ReleaseYear);

See Also

<a name='CypherQueryBuilder.MatchQuery.OrWhere(string)'></a>

MatchQuery.OrWhere(string) Method

Ors the where.

public CypherQueryBuilder.MatchQuery OrWhere(string clause);
Parameters

<a name='CypherQueryBuilder.MatchQuery.OrWhere(string).clause'></a>

clause System.String

The clause.

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Return(string[])'></a>

MatchQuery.Return(string[]) Method

Returns the specified returns.

public virtual CypherQueryBuilder.MatchQuery Return(params string[] returns);
Parameters

<a name='CypherQueryBuilder.MatchQuery.Return(string[]).returns'></a>

returns System.String[]

The returns.

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool)'></a>

MatchQuery.Return<T>(Node<T>, Expression<Func<T,object>>, bool) Method

Returns the specified node.

public virtual CypherQueryBuilder.MatchQuery Return<T>(CypherQueryBuilder.Node<T> node, Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).node'></a>

node CypherQueryBuilder.Node<T>

The node.

<a name='CypherQueryBuilder.MatchQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.MatchQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Return_T_(Expression_Func_T,object__,bool)'></a>

MatchQuery.Return<T>(Expression<Func<T,object>>, bool) Method

Returns the specified f.

public CypherQueryBuilder.MatchQuery Return<T>(Expression<Func<T,object>>? f=null, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.MatchQuery.Return_T_(Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Return_T_(string,Expression_Func_T,object__,bool)'></a>

MatchQuery.Return<T>(string, Expression<Func<T,object>>, bool) Method

Returns the specified alias.

public virtual CypherQueryBuilder.MatchQuery Return<T>(string? alias, Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(string,Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.MatchQuery.Return_T_(string,Expression_Func_T,object__,bool).alias'></a>

alias System.String

The alias.

<a name='CypherQueryBuilder.MatchQuery.Return_T_(string,Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.MatchQuery.Return_T_(string,Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Skip(int)'></a>

MatchQuery.Skip(int) Method

Skips the specified skip.

public CypherQueryBuilder.MatchQuery Skip(int skip);
Parameters

<a name='CypherQueryBuilder.MatchQuery.Skip(int).skip'></a>

skip System.Int32

The skip.

Returns

MatchQuery

<a name='CypherQueryBuilder.MatchQuery.Union(CypherQueryBuilder.MatchQuery)'></a>

MatchQuery.Union(MatchQuery) Method

Unions the specified other.

public CypherQueryBuilder.UnionQuery Union(CypherQueryBuilder.MatchQuery other);
Parameters

<a name='CypherQueryBuilder.MatchQuery.Union(CypherQueryBuilder.MatchQuery).other'></a>

other MatchQuery

The other.

Returns

CypherQueryBuilder.UnionQuery

<a name='CypherQueryBuilder.MatchQuery.Where(string)'></a>

MatchQuery.Where(string) Method

Wheres the specified clause.

public CypherQueryBuilder.MatchQuery Where(string clause);
Parameters

<a name='CypherQueryBuilder.MatchQuery.Where(string).clause'></a>

clause System.String

The clause.

Returns

MatchQuery

<a name='CypherQueryBuilder.Node'></a>

Node Class

public class Node : CypherQueryBuilder.Entity

Inheritance System.Object 🡒 CypherQueryBuilder.Entity 🡒 Node

Derived
↳ Node<T>

Methods

<a name='CypherQueryBuilder.Node.Compile()'></a>

Node.Compile() Method

Compiles this instance Cipher queryable string format.

public override ValueTuple<string,string> Compile();

Implements Compile()

Returns

System.ValueTuple
ValueTuple of (string match, string where).

<a name='CypherQueryBuilder.Node.Instance_T_(int)'></a>

Node.Instance<T>(int) Method

Create a new Instance of node type T with alias suffixed with sequence

public static CypherQueryBuilder.Node<T> Instance<T>(int sequence=0);
Type parameters

<a name='CypherQueryBuilder.Node.Instance_T_(int).T'></a>

T

Parameters

<a name='CypherQueryBuilder.Node.Instance_T_(int).sequence'></a>

sequence System.Int32

Returns

CypherQueryBuilder.Node<T>
New node of type T

Remarks

sequence will be default to zero if not provided

See Also

<a name='CypherQueryBuilder.Node.Instance_T_(T,int)'></a>

Node.Instance<T>(T, int) Method

Create a new Instance of node type T with alias suffixed with sequence

public static CypherQueryBuilder.Node<T> Instance<T>(T obj, int sequence=0);
Type parameters

<a name='CypherQueryBuilder.Node.Instance_T_(T,int).T'></a>

T

Parameters

<a name='CypherQueryBuilder.Node.Instance_T_(T,int).obj'></a>

obj T

The object.

<a name='CypherQueryBuilder.Node.Instance_T_(T,int).sequence'></a>

sequence System.Int32

Returns

CypherQueryBuilder.Node<T>
New node of type T

Remarks

sequence will be default to zero if not provided

See Also

<a name='CypherQueryBuilder.Node.WithLabels(string[])'></a>

Node.WithLabels(string[]) Method

Applies the labels fo the node.

public virtual CypherQueryBuilder.Node WithLabels(params string[] labels);
Parameters

<a name='CypherQueryBuilder.Node.WithLabels(string[]).labels'></a>

labels System.String[]

The labels.

Implements WithLabels(string[])

Returns

Node

<a name='CypherQueryBuilder.Node.WithProperty(object)'></a>

Node.WithProperty(object) Method

Configure the property.

public virtual CypherQueryBuilder.Node WithProperty(object obj);
Parameters

<a name='CypherQueryBuilder.Node.WithProperty(object).obj'></a>

obj System.Object

The object.

Implements WithProperty(object)

Returns

Node
The same node

See Also

<a name='CypherQueryBuilder.Node.WithProperty(string,object)'></a>

Node.WithProperty(string, object) Method

Configure the property.

public virtual CypherQueryBuilder.Node WithProperty(string key, object? value);
Parameters

<a name='CypherQueryBuilder.Node.WithProperty(string,object).key'></a>

key System.String

The key.

<a name='CypherQueryBuilder.Node.WithProperty(string,object).value'></a>

value System.Object

The value.

Implements WithProperty(string, object)

Returns

Node
The same node

See Also

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[])'></a>

Node.WithRelation(Node, string, object, bool, string[]) Method

Configure the relation with another node.

public CypherQueryBuilder.Node WithRelation(CypherQueryBuilder.Node to, string relationAlias, object? relationProperties=null, bool isForward=true, params string[] labels);
Parameters

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[]).to'></a>

to Node

To.

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[]).relationAlias'></a>

relationAlias System.String

The relation alias.

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[]).relationProperties'></a>

relationProperties System.Object

The relation properties.

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[]).isForward'></a>

isForward System.Boolean

if set to true [is forward].

<a name='CypherQueryBuilder.Node.WithRelation(CypherQueryBuilder.Node,string,object,bool,string[]).labels'></a>

labels System.String[]

The labels.

Returns

Node
The same node

<a name='CypherQueryBuilder.Node_T_'></a>

Node<T> Class

public class Node<T> : CypherQueryBuilder.Node
Type parameters

<a name='CypherQueryBuilder.Node_T_.T'></a>

T

Inheritance System.Object 🡒 CypherQueryBuilder.Entity 🡒 Node 🡒 Node<T>

Methods

<a name='CypherQueryBuilder.Node_T_.Instance(CypherQueryBuilder.Node_T_,int)'></a>

Node<T>.Instance(Node<T>, int) Method

Create a new Instance of node type <span class="typeparameter">T</span> with alias suffixed with sequence

public static CypherQueryBuilder.Node<T> Instance(out CypherQueryBuilder.Node<T> node, int sequence=0);
Parameters

<a name='CypherQueryBuilder.Node_T_.Instance(CypherQueryBuilder.Node_T_,int).node'></a>

node CypherQueryBuilder.Node<T>

out parameter

<a name='CypherQueryBuilder.Node_T_.Instance(CypherQueryBuilder.Node_T_,int).sequence'></a>

sequence System.Int32

Returns

CypherQueryBuilder.Node<T>
New node of type T

Example

Node<Domain>.Instance(out var domainNode).Where(p => p.Uid == "TestDomain");  
            Node<Group>.Instance(out var groupNode).WithProperty(new { Uid = "gId_1", Name = "GName", Domain = "TestDomain" });  
            var q = Query.Match(domainNode)  
                .CreateRelation("hg", "HAS_DOMAIN", groupNode, domainNode, false, new { DomainId = "TestDomain", GroupId = "gId_1" });  
            var (cq, parameters) = q.CompileWithParemeters();  
            Console.WriteLine(cq);

Remarks

sequence will be default to zero if not provided

See Also

<a name='CypherQueryBuilder.Node_T_.Instance(int)'></a>

Node<T>.Instance(int) Method

Create a new Instance of node type T with alias suffixed with sequence

public static CypherQueryBuilder.Node<T> Instance(int sequence=0);
Parameters

<a name='CypherQueryBuilder.Node_T_.Instance(int).sequence'></a>

sequence System.Int32

Returns

CypherQueryBuilder.Node<T>
New node of type T

Remarks

sequence will be default to zero if not provided

See Also

<a name='CypherQueryBuilder.Node_T_.Instance(T,int)'></a>

Node<T>.Instance(T, int) Method

Create a new Instance of node type T with alias suffixed with sequence

public static CypherQueryBuilder.Node<T> Instance(T obj, int sequence=0);
Parameters

<a name='CypherQueryBuilder.Node_T_.Instance(T,int).obj'></a>

obj T

The object.

<a name='CypherQueryBuilder.Node_T_.Instance(T,int).sequence'></a>

sequence System.Int32

The sequence.

Returns

CypherQueryBuilder.Node<T>
New node of type T

Remarks

sequence will be default to zero if not provided

See Also

<a name='CypherQueryBuilder.Node_T_.Where(Expression_Func_T,bool__)'></a>

Node<T>.Where(Expression<Func<T,bool>>) Method

Applies filter or Where clause.

public CypherQueryBuilder.Node<T> Where(Expression<Func<T,bool>> expr);
Parameters

<a name='CypherQueryBuilder.Node_T_.Where(Expression_Func_T,bool__).expr'></a>

expr System.Linq.Expressions.Expression

The expr.

Returns

CypherQueryBuilder.Node<T>
The same node of type T

<a name='CypherQueryBuilder.Node_T_.WithProperty(object)'></a>

Node<T>.WithProperty(object) Method

Configure the property.

public virtual CypherQueryBuilder.Node<T> WithProperty(object obj);
Parameters

<a name='CypherQueryBuilder.Node_T_.WithProperty(object).obj'></a>

obj System.Object

The object.

Implements WithProperty(object)

Returns

CypherQueryBuilder.Node<T>
The same node of type T

See Also

<a name='CypherQueryBuilder.Node_T_.WithProperty(string,object)'></a>

Node<T>.WithProperty(string, object) Method

Configure the property.

public virtual CypherQueryBuilder.Node<T> WithProperty(string key, object? value);
Parameters

<a name='CypherQueryBuilder.Node_T_.WithProperty(string,object).key'></a>

key System.String

The key.

<a name='CypherQueryBuilder.Node_T_.WithProperty(string,object).value'></a>

value System.Object

The value.

Implements WithProperty(string, object)

Returns

CypherQueryBuilder.Node<T>
The same node of type T

See Also

<a name='CypherQueryBuilder.Node_T_.WithProperty(T)'></a>

Node<T>.WithProperty(T) Method

Configure the property.

public CypherQueryBuilder.Node<T> WithProperty(T obj);
Parameters

<a name='CypherQueryBuilder.Node_T_.WithProperty(T).obj'></a>

obj T

The object.

Returns

CypherQueryBuilder.Node<T>

<a name='CypherQueryBuilder.NodeCreationQuery'></a>

NodeCreationQuery Class

public class NodeCreationQuery : CypherQueryBuilder.QueryBase

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase 🡒 NodeCreationQuery

Methods

<a name='CypherQueryBuilder.NodeCreationQuery.Compile()'></a>

NodeCreationQuery.Compile() Method

Compiles this instance to Cypher Query string.

public override string Compile();
Returns

System.String
Cypher Query string

<a name='CypherQueryBuilder.NodeCreationQuery.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[])'></a>

NodeCreationQuery.Merge(Node, Node[]) Method

Merges the specified node.

public CypherQueryBuilder.NodeCreationQuery Merge(CypherQueryBuilder.Node node, params CypherQueryBuilder.Node[] otherNodes);
Parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).node'></a>

node Node

The node.

<a name='CypherQueryBuilder.NodeCreationQuery.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).otherNodes'></a>

otherNodes Node[]

The other nodes.

Returns

NodeCreationQuery

<a name='CypherQueryBuilder.NodeCreationQuery.ReleaseResources()'></a>

NodeCreationQuery.ReleaseResources() Method

Releases the resources.

public override void ReleaseResources();

<a name='CypherQueryBuilder.NodeCreationQuery.Return(string[])'></a>

NodeCreationQuery.Return(string[]) Method

Returns the specified returns.

public virtual CypherQueryBuilder.NodeCreationQuery Return(params string[] returns);
Parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Return(string[]).returns'></a>

returns System.String[]

The returns.

Returns

NodeCreationQuery

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool)'></a>

NodeCreationQuery.Return<T>(Node<T>, Expression<Func<T,object>>, bool) Method

Returns the specified node.

public virtual CypherQueryBuilder.NodeCreationQuery Return<T>(CypherQueryBuilder.Node<T> node, Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).node'></a>

node CypherQueryBuilder.Node<T>

The node.

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

NodeCreationQuery

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(Expression_Func_T,object__,bool)'></a>

NodeCreationQuery.Return<T>(Expression<Func<T,object>>, bool) Method

Returns the specified f.

public CypherQueryBuilder.NodeCreationQuery Return<T>(Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.NodeCreationQuery.Return_T_(Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

NodeCreationQuery

<a name='CypherQueryBuilder.Query'></a>

Query Class

Query - The main entry point to build cypher query for create, merge or match

public static class Query

Inheritance System.Object 🡒 Query

Methods

<a name='CypherQueryBuilder.Query.Create(bool,CypherQueryBuilder.Node,CypherQueryBuilder.Node[])'></a>

Query.Create(bool, Node, Node[]) Method

Creates the specified to merge.

private static CypherQueryBuilder.NodeCreationQuery Create(bool toMerge, CypherQueryBuilder.Node node, params CypherQueryBuilder.Node[] otherNodes);
Parameters

<a name='CypherQueryBuilder.Query.Create(bool,CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).toMerge'></a>

toMerge System.Boolean

if set to true [to merge].

<a name='CypherQueryBuilder.Query.Create(bool,CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).node'></a>

node Node

The node.

<a name='CypherQueryBuilder.Query.Create(bool,CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).otherNodes'></a>

otherNodes Node[]

The other nodes.

Returns

NodeCreationQuery

<a name='CypherQueryBuilder.Query.Create(CypherQueryBuilder.Node,CypherQueryBuilder.Node[])'></a>

Query.Create(Node, Node[]) Method

Creates the specified node.

public static CypherQueryBuilder.NodeCreationQuery Create(CypherQueryBuilder.Node node, params CypherQueryBuilder.Node[] otherNodes);
Parameters

<a name='CypherQueryBuilder.Query.Create(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).node'></a>

node Node

Node to Instance

<a name='CypherQueryBuilder.Query.Create(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).otherNodes'></a>

otherNodes Node[]

Other nodes to match in case multiple nodes to be created.

Returns

NodeCreationQuery
NodeCreationQuery

Example

Example to build create query.

var movie = new Movie() { ReleaseYear = 2010, Title = "Gambler" };  
            var q = Query.Instance(  
                Node<Movie>.Instance(movie)  
                    .WithRelation(Node<Person>.Instance(new Person {Age = 30, FullName = "Ray" }), "DIRECTED_BY"))  
                .Return<Movie>(p => new { p.Title, p.ReleaseYear }).Return<Person>(p => new { p.FullName});  
            var str = q.Compile();

<a name='CypherQueryBuilder.Query.Match(CypherQueryBuilder.Node,CypherQueryBuilder.Node[])'></a>

Query.Match(Node, Node[]) Method

Matches the specified node.

public static CypherQueryBuilder.MatchQuery Match(CypherQueryBuilder.Node node, params CypherQueryBuilder.Node[] otherNodes);
Parameters

<a name='CypherQueryBuilder.Query.Match(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).node'></a>

node Node

Node to Match

<a name='CypherQueryBuilder.Query.Match(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).otherNodes'></a>

otherNodes Node[]

Other nodes to match in case multiple nodes to be matched

Returns

MatchQuery
MatchQuery

Example

var q = Query.Match(n).Return("n", "r", "m");

<a name='CypherQueryBuilder.Query.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[])'></a>

Query.Merge(Node, Node[]) Method

Merges the specified node.

public static CypherQueryBuilder.NodeCreationQuery Merge(CypherQueryBuilder.Node node, params CypherQueryBuilder.Node[] otherNodes);
Parameters

<a name='CypherQueryBuilder.Query.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).node'></a>

node Node

The node.

<a name='CypherQueryBuilder.Query.Merge(CypherQueryBuilder.Node,CypherQueryBuilder.Node[]).otherNodes'></a>

otherNodes Node[]

The other nodes in case multiple nodes to be merged.

Returns

NodeCreationQuery
NodeCreationQuery

Example

Example to build merge query.

var movie = new Movie() { ReleaseYear = 2010, Title = "Gambler" };  
            var q = Query.Merge(  
                Node<Movie>.Instance(movie)  
                    .WithRelation(Node<Person>.Instance(new Person {Age = 30, FullName = "Ray" }), "DIRECTED_BY"))  
                .Return<Movie>(p => new { p.Title, p.ReleaseYear }).Return<Person>(p => new { p.FullName});  
            var str = q.Compile();

<a name='CypherQueryBuilder.QueryBase'></a>

QueryBase Class

public abstract class QueryBase : Utility.Disposable

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase

Derived
↳ MatchQuery
↳ NodeCreationQuery

Methods

<a name='CypherQueryBuilder.QueryBase.Compile()'></a>

QueryBase.Compile() Method

Compiles this instance to Cypher Query string.

public abstract string Compile();
Returns

System.String
Cypher Query string

<a name='CypherQueryBuilder.QueryBase.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool)'></a>

QueryBase.Return<T>(Node<T>, Expression<Func<T,object>>, bool) Method

Collect data to build return parts whilde compiling.

public virtual CypherQueryBuilder.QueryBase Return<T>(CypherQueryBuilder.Node<T> node, Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.QueryBase.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.QueryBase.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).node'></a>

node CypherQueryBuilder.Node<T>

The node.

<a name='CypherQueryBuilder.QueryBase.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.QueryBase.Return_T_(CypherQueryBuilder.Node_T_,Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

QueryBase

See Also

<a name='CypherQueryBuilder.QueryBase.Return_T_(string,Expression_Func_T,object__,bool)'></a>

QueryBase.Return<T>(string, Expression<Func<T,object>>, bool) Method

Collect data to build return parts whilde compiling.

public virtual CypherQueryBuilder.QueryBase Return<T>(string? alias, Expression<Func<T,object>> f, bool aliasToBeRemoved=true);
Type parameters

<a name='CypherQueryBuilder.QueryBase.Return_T_(string,Expression_Func_T,object__,bool).T'></a>

T

Parameters

<a name='CypherQueryBuilder.QueryBase.Return_T_(string,Expression_Func_T,object__,bool).alias'></a>

alias System.String

The alias.

<a name='CypherQueryBuilder.QueryBase.Return_T_(string,Expression_Func_T,object__,bool).f'></a>

f System.Linq.Expressions.Expression

The f.

<a name='CypherQueryBuilder.QueryBase.Return_T_(string,Expression_Func_T,object__,bool).aliasToBeRemoved'></a>

aliasToBeRemoved System.Boolean

if set to true [alias to be removed].

Returns

QueryBase

See Also

<a name='CypherQueryBuilder.UpdateQuery'></a>

UpdateQuery Class

public class UpdateQuery : CypherQueryBuilder.MatchQuery

Inheritance System.Object 🡒 Utility.Disposable 🡒 QueryBase 🡒 MatchQuery 🡒 UpdateQuery

Methods

<a name='CypherQueryBuilder.UpdateQuery.Compile()'></a>

UpdateQuery.Compile() Method

Compiles this instance to Cypher Query string.

public override string Compile();
Returns

System.String
Cypher Query string

See Also

<a name='CypherQueryBuilder.UpdateQuery.CompileWithParemeters()'></a>

UpdateQuery.CompileWithParemeters() Method

Compiles the instance to Cypher Query string with paremeters.

public override ValueTuple<string,Dictionary<string,object?>> CompileWithParemeters();
Returns

System.ValueTuple
ValueTuple<string, Dictionary<string, Nullable<Object>>>

Example

Usage:

var metaDataCount = 2;  
            var metaDataNodes = new Node<MetaData>[metaDataCount];  
            for (int i = 0; i < metaDataCount; i++)  
            {  
                var id = $"mId_{i}";  
                metaDataNodes[i] = Node<MetaData>.Instance(i).Where(p => p.Uid == id);  
            }  
            var domainNode = Node<Domain>.Instance().Where(p => p.Uid == "TestDomain");  
            var (mq, parameters) = Query.Match(domainNode, metaDataNodes).CompileAsParemeterized();

See Also

Product Compatible and additional computed target framework versions.
.NET net8.0 is compatible.  net8.0-android was computed.  net8.0-browser was computed.  net8.0-ios was computed.  net8.0-maccatalyst was computed.  net8.0-macos was computed.  net8.0-tvos was computed.  net8.0-windows was computed. 
Compatible target framework(s)
Included target framework(s) (in package)
Learn more about Target Frameworks and .NET Standard.

NuGet packages

This package is not used by any NuGet packages.

GitHub repositories

This package is not used by any popular GitHub repositories.

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