ai.grakn.kb.internal.concept

Class ConceptImpl

java.lang.Object

ai.grakn.kb.internal.concept.ConceptImpl

All Implemented Interfaces:

Concept, CacheOwner, ConceptVertex

Direct Known Subclasses:

SchemaConceptImpl, ThingImpl

public abstract class ConceptImpl
extends Object
implements Concept, ConceptVertex, CacheOwner

The base concept implementation.

A concept which can represent anything in the graph which wraps a tinkerpop Vertex. This class forms the basis of assuring the graph follows the Grakn object model.

Author:

fppt

Method Summary

Modifier and Type	Method and Description
Schema.BaseType	baseType()
Collection<Cache>	caches()
void	createShard()
Shard	currentShard()
void	delete() Deletes the concept.
void	deleteNode() Deletes the node and adds it neighbours for validation
boolean	equals(Object object)
int	hashCode()
ConceptId	id()
boolean	isDeleted()
Keyspace	keyspace()
Long	shardCount()
java.util.stream.Stream<Shard>	shards()
String	toString()
VertexElement	vertex()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface ai.grakn.concept.Concept

asAttribute, asAttributeType, asEntity, asEntityType, asRelationship, asRelationshipType, asRole, asRule, asSchemaConcept, asThing, asType, isAttribute, isAttributeType, isEntity, isEntityType, isRelationship, isRelationshipType, isRole, isRule, isSchemaConcept, isThing, isType

Methods inherited from interface ai.grakn.kb.internal.concept.ConceptVertex

from

Methods inherited from interface ai.grakn.kb.internal.cache.CacheOwner

from, registerCache, txCacheClear, txCacheFlush

Method Detail

vertex

public VertexElement vertex()

Specified by:

vertex in interface ConceptVertex

delete

public void delete()
            throws GraknTxOperationException

Deletes the concept.

Specified by:

delete in interface Concept

Throws:

GraknTxOperationException - Throws an exception if the node has any edges attached to it.

keyspace

public Keyspace keyspace()

Specified by:

keyspace in interface Concept

isDeleted

public boolean isDeleted()

Specified by:

isDeleted in interface Concept

deleteNode

public void deleteNode()

Deletes the node and adds it neighbours for validation

caches

public Collection<Cache> caches()

Specified by:

caches in interface CacheOwner

Returns:

all the caches beloning to the CacheOwner

baseType

public Schema.BaseType baseType()

Returns:

The base type of this concept which helps us identify the concept

id

public ConceptId id()

Specified by:

id in interface Concept

Returns:

A string representing the concept's unique id.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object object)

Overrides:

equals in class Object

toString

public final String toString()

Overrides:

toString in class Object

createShard

public void createShard()

shards

public java.util.stream.Stream<Shard> shards()

shardCount

public Long shardCount()

currentShard

public Shard currentShard()