Examples with Relationship ai.grakn.concept.Relationship used on opensource projects

Example 41 with Relationship

use of ai.grakn.concept.Relationship in project grakn by graknlabs.

the class RelationshipTypeImpl method addRelationship.

public Relationship addRelationship(boolean isInferred) {
    Relationship relationship = addInstance(Schema.BaseType.RELATIONSHIP, (vertex, type) -> vertex().tx().factory().buildRelation(vertex, type), isInferred, true);
    vertex().tx().txCache().addNewRelationship(relationship);
    return relationship;
}

Example 42 with Relationship

use of ai.grakn.concept.Relationship in project grakn by graknlabs.

the class GraqlPrinterTest method whenGettingOutputForRelation_TheResultShouldHaveCommasBetweenRolePlayers.

@Test
public void whenGettingOutputForRelation_TheResultShouldHaveCommasBetweenRolePlayers() {
    Printer printer = Printers.graql(true);
    Match match = rule.tx().graql().match(var("r").isa("has-cluster"));
    Relationship relationship = match.get("r").iterator().next().asRelationship();
    long numRolePlayers = relationship.rolePlayers().count();
    long numCommas = numRolePlayers - 1;
    String relationString = printer.graqlString(relationship);
    assertEquals(relationString + " should have " + numCommas + " commas separating role-players", numCommas, StringUtils.countMatches(relationString, ","));
}

Example 43 with Relationship

use of ai.grakn.concept.Relationship in project grakn by graknlabs.

the class InsertQueryTest method whenAddingProvenanceToAnExistingRelationship_TheProvenanceIsAdded.

@Test
public void whenAddingProvenanceToAnExistingRelationship_TheProvenanceIsAdded() {
    InsertQuery query = qb.match(w.isa("movie").has(title, x.val("The Muppets"), y)).insert(x, w, y.has("provenance", z.val("Someone told me")));
    Answer answer = Iterables.getOnlyElement(query.execute());
    Entity movie = answer.get(w).asEntity();
    Attribute<String> theTitle = answer.get(x).asAttribute();
    Relationship hasTitle = answer.get(y).asRelationship();
    Attribute<String> provenance = answer.get(z).asAttribute();
    assertThat(hasTitle.rolePlayers().toArray(), arrayContainingInAnyOrder(movie, theTitle));
    assertThat(hasTitle.attributes().toArray(), arrayContaining(provenance));
}

Example 44 with Relationship

use of ai.grakn.concept.Relationship in project grakn by graknlabs.

the class EntityTest method checkKeyCreatesCorrectResourceStructure.

@Test
public void checkKeyCreatesCorrectResourceStructure() {
    Label resourceLabel = Label.of("A Attribute Thing");
    EntityType entityType = tx.putEntityType("A Thing");
    AttributeType<String> attributeType = tx.putAttributeType(resourceLabel, AttributeType.DataType.STRING);
    entityType.key(attributeType);
    Entity entity = entityType.addEntity();
    Attribute attribute = attributeType.putAttribute("A attribute thing");
    entity.attribute(attribute);
    Relationship relationship = entity.relationships().iterator().next();
    checkImplicitStructure(attributeType, relationship, entity, Schema.ImplicitType.KEY, Schema.ImplicitType.KEY_OWNER, Schema.ImplicitType.KEY_VALUE);
}

Example 45 with Relationship

use of ai.grakn.concept.Relationship in project grakn by graknlabs.

the class EntityTest method whenDeletingLastRolePlayerInRelation_TheRelationIsDeleted.

@Test
public void whenDeletingLastRolePlayerInRelation_TheRelationIsDeleted() throws GraknTxOperationException {
    EntityType type = tx.putEntityType("Concept Type");
    RelationshipType relationshipType = tx.putRelationshipType("relationTypes");
    Role role1 = tx.putRole("role1");
    Thing rolePlayer1 = type.addEntity();
    Relationship relationship = relationshipType.addRelationship().addRolePlayer(role1, rolePlayer1);
    assertNotNull(tx.getConcept(relationship.getId()));
    rolePlayer1.delete();
    assertNull(tx.getConcept(relationship.getId()));
}