Module org.neo4j.cypherdsl.core
Package org.neo4j.cypherdsl.core

Interface Node

All Superinterfaces:
ExposesProperties<Node>, ExposesRelationships<Relationship>, IdentifiableElement, Named, PatternElement, PropertyContainer, Visitable
All Known Implementing Classes:
NodeBase
@API(status=STABLE, since="1.0") public interface Node extends PatternElement, PropertyContainer, ExposesProperties<Node>, ExposesRelationships<Relationship>
See NodePattern.
Since:
1.0
Author:
Michael J. Simons

  • Method Details

    • getLabels

      @NotNull @Contract(pure=true) @NotNull List<NodeLabel> getLabels()
      Returns:
      The labels associated with this Node

    • named

      @NotNull @Contract(pure=true) @NotNull Node named(String newSymbolicName)
      Creates a copy of this node with a new symbolic name.
      Parameters:
      newSymbolicName - the new symbolic name.
      Returns:
      The new node.

    • named

      @NotNull @Contract(pure=true) @NotNull Node named(SymbolicName newSymbolicName)
      Creates a copy of this node with a new symbolic name.
      Parameters:
      newSymbolicName - the new symbolic name.
      Returns:
      The new node.

    • hasLabels

      @NotNull @Contract(pure=true) @NotNull Condition hasLabels(String... labelsToQuery)
      A condition that checks for the presence of labels on a node.
      Parameters:
      labelsToQuery - A list of labels to query
      Returns:
      A condition that checks whether this node has all of the labels to query

    • isEqualTo

      @NotNull @Contract(pure=true) @NotNull Condition isEqualTo(Node otherNode)
      Creates a new condition whether this node is equal to otherNode.
      Parameters:
      otherNode - The node to compare this node to.
      Returns:
      A condition.

    • isNotEqualTo

      @NotNull @Contract(pure=true) @NotNull Condition isNotEqualTo(Node otherNode)
      Creates a new condition whether this node is not equal to otherNode.
      Parameters:
      otherNode - The node to compare this node to.
      Returns:
      A condition.

    • isNull

      @NotNull @Contract(pure=true) @NotNull Condition isNull()
      Creates a new condition based on this node whether it is null.
      Returns:
      A condition.

    • isNotNull

      @NotNull @Contract(pure=true) @NotNull Condition isNotNull()
      Creates a new condition based on this node whether it is not null.
      Returns:
      A condition.

    • descending

      @NotNull @Contract(pure=true) @NotNull SortItem descending()
      Creates a new sort item of this node in descending order.
      Returns:
      A sort item.

    • ascending

      @NotNull @Contract(pure=true) @NotNull SortItem ascending()
      Creates a new sort item of this node in ascending order.
      Returns:
      A sort item.

    • as

      @NotNull @Contract(pure=true) @NotNull AliasedExpression as(String alias)
      Creates an alias for this node.
      Parameters:
      alias - The alias to use.
      Returns:
      The aliased expression.

    • internalId

      @NotNull @Contract(pure=true) @Deprecated(since="2022.6.0") @NotNull FunctionInvocation internalId()
      Deprecated.
      Use elementId()
      Returns:
      A new function invocation returning the internal id of this node.

    • elementId

      @NotNull @Contract(pure=true) default @NotNull FunctionInvocation elementId()
      Returns:
      A new function invocation returning the element id of this node.
      Since:
      2022.6.0

    • labels

      @NotNull @Contract(pure=true) @NotNull FunctionInvocation labels()
      Returns:
      A new function invocation returning the labels of this node.