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

Example 46 with SchemaConcept

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

the class SchemaConceptPropertyTest method whenASchemaElementHasADirectSuper_ItIsADirectSubOfThatSuper.

@Property
public void whenASchemaElementHasADirectSuper_ItIsADirectSubOfThatSuper(SchemaConcept schemaConcept) {
    SchemaConcept superConcept = schemaConcept.sup();
    assumeTrue(superConcept != null);
    assertThat(PropertyUtil.directSubs(superConcept), hasItem(schemaConcept));
}

Example 47 with SchemaConcept

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

the class ValidateGlobalRules method checkRuleSideInvalid.

/**
 * @param graph The graph to query against
 * @param rule The rule the pattern was extracted from
 * @param side The side from which the pattern was extracted
 * @param pattern The pattern from which we will extract the types in the pattern
 * @return A list of errors if the pattern refers to any non-existent types in the graph
 */
private static Set<String> checkRuleSideInvalid(GraknTx graph, Rule rule, Schema.VertexProperty side, Pattern pattern) {
    Set<String> errors = new HashSet<>();
    pattern.admin().varPatterns().stream().flatMap(v -> v.innerVarPatterns().stream()).flatMap(v -> v.getTypeLabels().stream()).forEach(typeLabel -> {
        SchemaConcept schemaConcept = graph.getSchemaConcept(typeLabel);
        if (schemaConcept == null) {
            errors.add(ErrorMessage.VALIDATION_RULE_MISSING_ELEMENTS.getMessage(side, rule.getLabel(), typeLabel));
        } else {
            if (Schema.VertexProperty.RULE_WHEN.equals(side)) {
                if (schemaConcept.isType()) {
                    RuleImpl.from(rule).addHypothesis(schemaConcept.asType());
                }
            } else if (Schema.VertexProperty.RULE_THEN.equals(side)) {
                if (schemaConcept.isType()) {
                    RuleImpl.from(rule).addConclusion(schemaConcept.asType());
                }
            } else {
                throw GraknTxOperationException.invalidPropertyUse(rule, side);
            }
        }
    });
    return errors;
}

Example 48 with SchemaConcept

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

the class GlobalCache method populateSchemaTxCache.

void populateSchemaTxCache(TxCache txCache) {
    try {
        lock.writeLock().lock();
        Map<Label, SchemaConcept> cachedSchemaSnapshot = getCachedTypes();
        Map<Label, LabelId> cachedLabelsSnapshot = getCachedLabels();
        // Read central cache into txCache cloning only base concepts. Sets clones later
        for (SchemaConcept type : cachedSchemaSnapshot.values()) {
            txCache.cacheConcept(type);
        }
        // Load Labels Separately. We do this because the TypeCache may have expired.
        cachedLabelsSnapshot.forEach(txCache::cacheLabel);
    } finally {
        lock.writeLock().unlock();
    }
}

Example 49 with SchemaConcept

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

the class GraknTxTest method whenClosingReadOnlyGraph_EnsureTypesAreCached.

@Test
public void whenClosingReadOnlyGraph_EnsureTypesAreCached() {
    assertCacheOnlyContainsMetaTypes();
    // noinspection ResultOfMethodCallIgnored
    // This loads some types into transaction cache
    tx.getMetaConcept().subs();
    tx.abort();
    // Ensure central cache is empty
    assertCacheOnlyContainsMetaTypes();
    tx = EmbeddedGraknSession.create(tx.keyspace(), Grakn.IN_MEMORY).open(GraknTxType.READ);
    Set<SchemaConcept> finalTypes = new HashSet<>();
    finalTypes.addAll(tx.getMetaConcept().subs().collect(toSet()));
    finalTypes.add(tx.getMetaRole());
    finalTypes.add(tx.getMetaRule());
    tx.abort();
    for (SchemaConcept type : tx.getGlobalCache().getCachedTypes().values()) {
        assertTrue("Type [" + type + "] is missing from central cache after closing read only graph", finalTypes.contains(type));
    }
}

Example 50 with SchemaConcept

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

the class DeleteQueryTest method whenDeletingASchemaConcept_Throw.

@Test
public void whenDeletingASchemaConcept_Throw() {
    SchemaConcept newType = qb.define(x.label("new-type").sub(ENTITY)).execute().get(x).asSchemaConcept();
    exception.expect(GraqlQueryException.class);
    exception.expectMessage(GraqlQueryException.deleteSchemaConcept(newType).getMessage());
    qb.match(x.label("new-type")).delete(x).execute();
}