Examples with ConstraintDescriptor org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor used on opensource projects

Example 1 with ConstraintDescriptor

use of org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor in project neo4j by neo4j.

the class ConstraintRuleTest method shouldCreateExistenceConstraint.

@Test
public void shouldCreateExistenceConstraint() throws Exception {
    // GIVEN
    ConstraintDescriptor descriptor = existsForLabel(LABEL_ID, PROPERTY_ID_1);
    ConstraintRule constraintRule = ConstraintRule.constraintRule(RULE_ID, descriptor);
    // THEN
    assertThat(constraintRule.getId(), equalTo(RULE_ID));
    assertThat(constraintRule.schema(), equalTo(descriptor.schema()));
    assertThat(constraintRule.getConstraintDescriptor(), equalTo(descriptor));
    assertException(constraintRule::getOwnedIndex, IllegalStateException.class, "");
}

Example 2 with ConstraintDescriptor

use of org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor in project neo4j by neo4j.

the class ConstraintRuleTest method shouldCreateUniquenessConstraint.

@Test
public void shouldCreateUniquenessConstraint() throws Exception {
    // GIVEN
    ConstraintDescriptor descriptor = uniqueForLabel(LABEL_ID, PROPERTY_ID_1);
    ConstraintRule constraintRule = ConstraintRule.constraintRule(RULE_ID, descriptor);
    // THEN
    assertThat(constraintRule.getId(), equalTo(RULE_ID));
    assertThat(constraintRule.schema(), equalTo(descriptor.schema()));
    assertThat(constraintRule.getConstraintDescriptor(), equalTo(descriptor));
    assertException(constraintRule::getOwnedIndex, IllegalStateException.class, "");
}

Example 3 with ConstraintDescriptor

use of org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor in project neo4j by neo4j.

the class StateHandlingStatementOperationsTest method shouldGetConstraintsByLabelAndProperty.

@Test
public void shouldGetConstraintsByLabelAndProperty() throws Exception {
    // given
    ConstraintDescriptor constraint = ConstraintDescriptorFactory.uniqueForSchema(descriptor);
    TransactionState txState = new TxState();
    KernelStatement state = mockedState(txState);
    when(inner.constraintsGetForSchema(constraint.schema())).thenAnswer(invocation -> Iterators.emptyIterator());
    StateHandlingStatementOperations context = newTxStateOps(inner);
    context.uniquePropertyConstraintCreate(state, descriptor);
    // when
    Set<ConstraintDescriptor> result = Iterables.asSet(asIterable(context.constraintsGetForSchema(state, constraint.schema())));
    // then
    assertEquals(asSet(constraint), result);
}

Example 4 with ConstraintDescriptor

use of org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor in project neo4j by neo4j.

the class StateHandlingStatementOperationsTest method shouldGetConstraintsByLabel.

@Test
public void shouldGetConstraintsByLabel() throws Exception {
    // given
    UniquenessConstraintDescriptor constraint1 = ConstraintDescriptorFactory.uniqueForLabel(2, 3);
    UniquenessConstraintDescriptor constraint2 = ConstraintDescriptorFactory.uniqueForLabel(4, 5);
    TransactionState txState = new TxState();
    KernelStatement state = mockedState(txState);
    when(inner.constraintsGetForSchema(constraint1.schema())).thenAnswer(invocation -> Iterators.emptyIterator());
    when(inner.constraintsGetForSchema(constraint2.schema())).thenAnswer(invocation -> Iterators.emptyIterator());
    when(inner.constraintsGetForLabel(1)).thenAnswer(invocation -> Iterators.emptyIterator());
    when(inner.constraintsGetForLabel(2)).thenAnswer(invocation -> iterator(constraint1));
    StateHandlingStatementOperations context = newTxStateOps(inner);
    context.uniquePropertyConstraintCreate(state, constraint1.ownedIndexDescriptor().schema());
    context.uniquePropertyConstraintCreate(state, constraint2.ownedIndexDescriptor().schema());
    // when
    Set<ConstraintDescriptor> result = Iterables.asSet(asIterable(context.constraintsGetForLabel(state, 2)));
    // then
    assertEquals(asSet(constraint1), result);
}

Example 5 with ConstraintDescriptor

use of org.neo4j.kernel.api.schema_new.constaints.ConstraintDescriptor in project neo4j by neo4j.

the class DataIntegrityValidatingStatementOperations method uniquePropertyConstraintCreate.

@Override
public UniquenessConstraintDescriptor uniquePropertyConstraintCreate(KernelStatement state, LabelSchemaDescriptor descriptor) throws AlreadyConstrainedException, CreateConstraintFailureException, AlreadyIndexedException, RepeatedPropertyInCompositeSchemaException {
    assertValidDescriptor(descriptor, OperationContext.CONSTRAINT_CREATION);
    ConstraintDescriptor constraint = ConstraintDescriptorFactory.uniqueForSchema(descriptor);
    assertConstraintDoesNotExist(state, constraint);
    // It is not allowed to create uniqueness constraints on indexed label/property pairs
    assertIndexDoesNotExist(state, OperationContext.CONSTRAINT_CREATION, SchemaBoundary.map(descriptor));
    return schemaWriteDelegate.uniquePropertyConstraintCreate(state, descriptor);
}