Examples with ConstraintDescriptor org.neo4j.internal.schema.ConstraintDescriptor used on opensource projects

Example 76 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class SchemaImpl method getConstraintByName.

@Override
public ConstraintDefinition getConstraintByName(String constraintName) {
    transaction.assertOpen();
    requireNonNull(constraintName);
    ConstraintDescriptor constraint = transaction.schemaRead().constraintGetForName(constraintName);
    if (constraint == null) {
        throw new IllegalArgumentException("No constraint found with the name '" + constraintName + "'.");
    }
    return asConstraintDefinition(constraint, transaction.tokenRead());
}

Example 77 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class ConstraintDescriptorFactoryTest method shouldCreateNodeKeyConstraintDescriptors.

@Test
void shouldCreateNodeKeyConstraintDescriptors() {
    ConstraintDescriptor desc;
    desc = ConstraintDescriptorFactory.nodeKeyForLabel(LABEL_ID, 1);
    assertThat(desc.type()).isEqualTo(ConstraintType.UNIQUE_EXISTS);
    assertThat(desc.schema()).isEqualTo(SchemaDescriptor.forLabel(LABEL_ID, 1));
}

Example 78 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class ConstraintDescriptorFactoryTest method shouldCreateConstraintDescriptorsFromSchema.

@Test
void shouldCreateConstraintDescriptorsFromSchema() {
    ConstraintDescriptor desc;
    desc = ConstraintDescriptorFactory.uniqueForSchema(SchemaDescriptor.forLabel(LABEL_ID, 1));
    assertThat(desc.type()).isEqualTo(ConstraintType.UNIQUE);
    assertThat(desc.schema()).isEqualTo(SchemaDescriptor.forLabel(LABEL_ID, 1));
    desc = ConstraintDescriptorFactory.nodeKeyForSchema(SchemaDescriptor.forLabel(LABEL_ID, 1));
    assertThat(desc.type()).isEqualTo(ConstraintType.UNIQUE_EXISTS);
    assertThat(desc.schema()).isEqualTo(SchemaDescriptor.forLabel(LABEL_ID, 1));
    desc = ConstraintDescriptorFactory.existsForSchema(SchemaDescriptor.forRelType(REL_TYPE_ID, 1));
    assertThat(desc.type()).isEqualTo(ConstraintType.EXISTS);
    assertThat(desc.schema()).isEqualTo(SchemaDescriptor.forRelType(REL_TYPE_ID, 1));
}

Example 79 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class TransactionToRecordStateVisitor method visitAddedNodeKeyConstraint.

private void visitAddedNodeKeyConstraint(NodeKeyConstraintDescriptor uniqueConstraint, long constraintId) throws KernelException {
    IndexDescriptor indexRule = (IndexDescriptor) schemaStorage.loadSingleSchemaRule(uniqueConstraint.ownedIndexId(), cursorContext);
    ConstraintDescriptor constraint = constraintSemantics.createNodeKeyConstraintRule(constraintId, uniqueConstraint, indexRule.getId());
    schemaStateChanger.createSchemaRule(recordState, constraint);
    schemaStateChanger.setConstraintIndexOwner(recordState, indexRule, constraintId);
}

Example 80 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class FullCheckIntegrationTest method shouldReportInvalidConstraintBackReferences.

@Test
void shouldReportInvalidConstraintBackReferences() throws Exception {
    // given
    AtomicReference<IndexDescriptor> descriptor = new AtomicReference<>();
    fixture.apply(new GraphStoreFixture.Transaction() {

        @Override
        protected void transactionData(GraphStoreFixture.TransactionDataBuilder tx, GraphStoreFixture.IdGenerator next) throws KernelException {
            int ruleId1 = (int) next.schema();
            int ruleId2 = (int) next.schema();
            int labelId = next.label();
            int propertyKeyId = next.propertyKey();
            SchemaRecord before1 = new SchemaRecord(ruleId1);
            SchemaRecord before2 = new SchemaRecord(ruleId2);
            SchemaRecord after1 = cloneRecord(before1).initialize(true, 0);
            SchemaRecord after2 = cloneRecord(before2).initialize(true, 0);
            IndexDescriptor rule1 = constraintIndexRule(ruleId1, labelId, propertyKeyId, DESCRIPTOR, ruleId2);
            rule1 = tx.completeConfiguration(rule1);
            ConstraintDescriptor rule2 = uniquenessConstraintRule(ruleId2, labelId, propertyKeyId, ruleId2);
            serializeRule(rule1, after1, tx, next);
            serializeRule(rule2, after2, tx, next);
            tx.nodeLabel(labelId, "label", false);
            tx.propertyKey(propertyKeyId, "property", false);
            tx.createSchema(before1, after1, rule1);
            tx.createSchema(before2, after2, rule2);
            descriptor.set(rule1);
        }
    });
    fixture.indexingService().activateIndex(descriptor.get());
    // when
    ConsistencySummaryStatistics stats = check();
    // then
    on(stats).verify(RecordType.SCHEMA, 2).andThatsAllFolks();
}