Expander (Neo4j Apoc 1.1 API)
Keywords: org.neo4j.graphdb.Expander interface

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## org.neo4j.graphdb
Interface Expander

All Superinterfaces:
  RelationshipExpander

All Known Implementing Classes:
  OrderedByTypeExpander, StandardExpander

    public interface Expander

extends RelationshipExpander

This interface is an extension of the `RelationshipExpander` interface that makes it possible to build customized versions of an `Expander`.

Method Summary
`Expander` | `add(RelationshipType type)` Add a `RelationshipType` to the `Expander`.
`Expander` | `add(RelationshipType type, Direction direction)` Add a `RelationshipType` with a `Direction` to the `Expander`.
`Expander` | `addNodeFilter(Predicate<? super Node> filter)` Add a `Node` filter.
`Expander` | `addRelationsipFilter(Predicate<? super Relationship> filter)` Add a `Relationship` filter.
`Expander` | `remove(RelationshipType type)` Remove a `RelationshipType` from the `Expander`.
`Expander` | `reversed()` Returns a new instance with the exact same `RelationshipType`s, but with all directions reversed (see `Direction.reverse()`).

Methods inherited from interface org.neo4j.graphdb.RelationshipExpander
`expand`

Method Detail

### reversed

    Expander reversed()

  Description copied from interface: `RelationshipExpander`
  Returns a new instance with the exact same `RelationshipType`s, but with all directions reversed (see `Direction.reverse()`).

  Specified by:
    `reversed` in interface `RelationshipExpander`
  Returns:
    a `RelationshipExpander` with the same types, but with reversed directions.

### add

    Expander add(RelationshipType type)

  Add a `RelationshipType` to the `Expander`.

  Parameters:
    `type` - relationship type
  Returns:
    new instance

### add

    Expander add(RelationshipType type,
                 Direction direction)

  Add a `RelationshipType` with a `Direction` to the `Expander`.

  Parameters:
    `type` - relationship type
    `direction` - expanding direction
  Returns:
    new instance

### remove

    Expander remove(RelationshipType type)

  Remove a `RelationshipType` from the `Expander`.

  Parameters:
    `type` - relationship type
  Returns:
    new instance

### addNodeFilter

    Expander addNodeFilter(Predicate<? super Node> filter)

  Add a `Node` filter.

  Parameters:
    `filter` - filter to use
  Returns:
    new instance

### addRelationsipFilter

    Expander addRelationsipFilter(Predicate<? super Relationship> filter)

  Add a `Relationship` filter.

  Parameters:
    `filter` - filter to use
  Returns:
    new instance

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