org.janusgraph.graphdb.internal

Class ElementLifeCycle

java.lang.Object

org.janusgraph.graphdb.internal.ElementLifeCycle

public class ElementLifeCycle
extends Object

ElementLifeCycle enumerates all possible states of the lifecycle of a entity.

Author:

Matthias Broecheler ([email protected]);

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ElementLifeCycle.Event

Field Summary

Fields

Modifier and Type	Field and Description
static byte	Loaded The entity has been loaded from the database and has not changed after initial loading.
static byte	New The entity has been newly created and not yet persisted.
static byte	Removed The entity has been deleted but not yet erased from the database.

Constructor Summary

Constructors

Constructor and Description
ElementLifeCycle()

Method Summary

Modifier and Type	Method and Description
static boolean	hasAddedRelations(byte lifecycle)
static boolean	hasRemovedRelations(byte lifecycle)
static boolean	isLoaded(byte lifecycle)
static boolean	isModified(byte lifecycle)
static boolean	isNew(byte lifecycle)
static boolean	isRemoved(byte lifecycle)
static boolean	isValid(byte lifecycle)
static byte	update(byte lifecycle, ElementLifeCycle.Event event)

Methods inherited from class java.lang.Object

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

Field Detail

New

public static final byte New

The entity has been newly created and not yet persisted.

See Also:

Constant Field Values

Loaded

public static final byte Loaded

The entity has been loaded from the database and has not changed after initial loading.

See Also:

Constant Field Values

Removed

public static final byte Removed

The entity has been deleted but not yet erased from the database.

See Also:

Constant Field Values

Constructor Detail

ElementLifeCycle

public ElementLifeCycle()

Method Detail

isModified

public static boolean isModified(byte lifecycle)

hasRemovedRelations

public static boolean hasRemovedRelations(byte lifecycle)

hasAddedRelations

public static boolean hasAddedRelations(byte lifecycle)

isNew

public static boolean isNew(byte lifecycle)

isLoaded

public static boolean isLoaded(byte lifecycle)

isRemoved

public static boolean isRemoved(byte lifecycle)

isValid

public static boolean isValid(byte lifecycle)

update

public static byte update(byte lifecycle,
                          ElementLifeCycle.Event event)