Module org.neo4j.cypherdsl.core

Package org.neo4j.cypherdsl.core

Class Expressions

java.lang.Object

org.neo4j.cypherdsl.core.Expressions

@API(status=STABLE,
     since="1.0")
public final class Expressions
extends Object

Utility methods for dealing with expressions.

Since:

1.0

Author:

Michael J. Simons

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Expressions.SubqueryExpressionBuilder	Something that can build counting sub-queries.

Method Summary

Modifier and Type	Method	Description
static @NotNull CountExpression	count(PatternElement requiredPattern, PatternElement... patternElement)	Creates a COUNT sub-query expressions from at least one pattern.
static @NotNull CountExpression	count(Statement.UnionQuery union)	Creates a COUNT with an inner UNION sub-query.
static Expressions.SubqueryExpressionBuilder	with(String... identifiableElements)	Start building a new sub-query expression by importing variables into the scope with a WITH clause.
static Expressions.SubqueryExpressionBuilder	with(IdentifiableElement... identifiableElements)	Start building a new sub-query expression by importing variables into the scope with a WITH clause.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

count

@NotNull
public static @NotNull CountExpression count(PatternElement requiredPattern,
 PatternElement... patternElement)

Creates a COUNT sub-query expressions from at least one pattern.

Parameters:

requiredPattern - One pattern is required

patternElement - Optional pattern

Returns:

The immutable CountExpression

Since:

2023.0.0

count

@NotNull
public static @NotNull CountExpression count(Statement.UnionQuery union)

Creates a COUNT with an inner UNION sub-query.

Parameters:

union - The union that will be the source of the COUNT sub-query

Returns:

The immutable CountExpression

Since:

2023.0.0

with

public static Expressions.SubqueryExpressionBuilder with(String... identifiableElements)

Start building a new sub-query expression by importing variables into the scope with a WITH clause.

Parameters:

identifiableElements - The identifiable elements to import

Returns:

A builder for creating the concrete sub-query

Since:

2023.0.0

with

public static Expressions.SubqueryExpressionBuilder with(IdentifiableElement... identifiableElements)

Start building a new sub-query expression by importing variables into the scope with a WITH clause.

Parameters:

identifiableElements - The identifiable elements to import

Returns:

A builder for creating the concrete sub-query

Since:

2023.0.0