org.neo4j.kernel

Class OrderedByTypeExpander

java.lang.Object

org.neo4j.kernel.StandardExpander

org.neo4j.kernel.OrderedByTypeExpander

All Implemented Interfaces:

Expander, PathExpander, RelationshipExpander

public final class OrderedByTypeExpander
extends StandardExpander

Field Summary

Fields inherited from class org.neo4j.kernel.StandardExpander

DEFAULT

Constructor Summary

Constructors

Constructor and Description
OrderedByTypeExpander()

Method Summary

Methods

Modifier and Type	Method and Description
StandardExpander	add(RelationshipType type, Direction direction) Add a RelationshipType with a Direction to the Expander.
StandardExpander	remove(RelationshipType type) Remove a RelationshipType from the Expander.
StandardExpander	reverse() Returns a new instance with the exact expansion logic, but reversed.
StandardExpander	reversed() Returns a new instance with the exact expansion logic, but reversed.

Methods inherited from class org.neo4j.kernel.StandardExpander

add, addNodeFilter, addRelationshipFilter, addRelationsipFilter, expand, expand, toPathExpander, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OrderedByTypeExpander

public OrderedByTypeExpander()

Method Detail

add

public StandardExpander add(RelationshipType type,
                   Direction direction)

Description copied from interface: Expander

Add a RelationshipType with a Direction to the Expander.

Specified by:

add in interface Expander

Parameters:

type - relationship type

direction - expanding direction

Returns:

new instance

remove

public StandardExpander remove(RelationshipType type)

Description copied from interface: Expander

Remove a RelationshipType from the Expander.

Specified by:

remove in interface Expander

Parameters:

type - relationship type

Returns:

new instance

reverse

public StandardExpander reverse()

Description copied from interface: PathExpander

Returns a new instance with the exact expansion logic, but reversed. TODO example

Specified by:

reverse in interface PathExpander

Returns:

a reversed PathExpander.

reversed

public StandardExpander reversed()

Description copied from interface: RelationshipExpander

Returns a new instance with the exact expansion logic, but reversed. For example if this expander is set to expand:

• KNOWS : OUTGOING
• LIVES : INCOMING

Then the reversed expander will be set to expand:

• KNOWS : INCOMING
• LIVES : OUTGOING

Specified by:

reversed in interface Expander

Specified by:

reversed in interface RelationshipExpander

Specified by:

reversed in class StandardExpander

Returns:

a reversed RelationshipExpander.