org.janusgraph.graphdb.transaction.addedrelations

Class EmptyAddedRelations

java.lang.Object

org.janusgraph.graphdb.transaction.addedrelations.EmptyAddedRelations

All Implemented Interfaces:

AddedRelationsContainer

public class EmptyAddedRelations
extends Object
implements AddedRelationsContainer

Field Summary

Fields inherited from interface org.janusgraph.graphdb.transaction.addedrelations.AddedRelationsContainer

EMPTY

Method Summary

Modifier and Type	Method and Description
boolean	add(InternalRelation relation)
void	clear() Clears the container which releases allocated memory.
Collection<InternalRelation>	getAllUnsafe() This method returns all relations in this container.
static EmptyAddedRelations	getInstance()
Iterable<InternalRelation>	getView(com.google.common.base.Predicate<InternalRelation> filter)
Iterable<InternalRelation>	getViewOfPreviousRelations(long id)
Iterable<InternalRelation>	getViewOfProperties(com.google.common.base.Predicate<InternalRelation> filter)
List<InternalRelation>	getViewOfProperties(String... keys)
List<InternalRelation>	getViewOfProperties(String key, Object value)
boolean	isEmpty()
boolean	remove(InternalRelation relation)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static EmptyAddedRelations getInstance()

add

public boolean add(InternalRelation relation)

Specified by:

add in interface AddedRelationsContainer

remove

public boolean remove(InternalRelation relation)

Specified by:

remove in interface AddedRelationsContainer

getView

public Iterable<InternalRelation> getView(com.google.common.base.Predicate<InternalRelation> filter)

Specified by:

getView in interface AddedRelationsContainer

getViewOfProperties

public Iterable<InternalRelation> getViewOfProperties(com.google.common.base.Predicate<InternalRelation> filter)

Specified by:

getViewOfProperties in interface AddedRelationsContainer

getViewOfProperties

public List<InternalRelation> getViewOfProperties(String... keys)

Specified by:

getViewOfProperties in interface AddedRelationsContainer

getViewOfProperties

public List<InternalRelation> getViewOfProperties(String key,
                                                  Object value)

Specified by:

getViewOfProperties in interface AddedRelationsContainer

getViewOfPreviousRelations

public Iterable<InternalRelation> getViewOfPreviousRelations(long id)

Specified by:

getViewOfPreviousRelations in interface AddedRelationsContainer

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface AddedRelationsContainer

getAllUnsafe

public Collection<InternalRelation> getAllUnsafe()

Description copied from interface: AddedRelationsContainer

This method returns all relations in this container. It may only be invoked at the end of the transaction after there are no additional changes. Otherwise the behavior is non deterministic.

Specified by:

getAllUnsafe in interface AddedRelationsContainer

Returns:

clear

public void clear()

Description copied from interface: AddedRelationsContainer

Clears the container which releases allocated memory. Calling any of the other methods after clearing the container has undetermined behavior.

Specified by:

clear in interface AddedRelationsContainer