Examples with ConstraintDefinition org.neo4j.graphdb.schema.ConstraintDefinition used on opensource projects

Example 41 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method shouldListAddedConstraints.

@Test
void shouldListAddedConstraints() {
    // GIVEN
    ConstraintDefinition constraint1 = createUniquenessConstraint(label, propertyKey);
    ConstraintDefinition constraint2 = createUniquenessConstraint(otherLabel, propertyKey);
    // WHEN THEN
    try (Transaction tx = db.beginTx()) {
        assertThat(tx.schema().getConstraints()).containsOnly(constraint1, constraint2);
    }
}

Example 42 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method cannotCreateIndexWithSameNameAsExistingConstraintWithGeneratedName.

@Test
void cannotCreateIndexWithSameNameAsExistingConstraintWithGeneratedName() {
    ConstraintDefinition constraint = createUniquenessConstraint(label, propertyKey);
    ConstraintViolationException exception = assertThrows(ConstraintViolationException.class, () -> createIndex(db, constraint.getName(), label, secondPropertyKey));
    assertThat(exception).hasMessageContaining(constraint.getName());
}

Example 43 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaAcceptanceTest method uniquenessConstraintIndexesAreBtreeIndexTypeByDefault.

@Test
void uniquenessConstraintIndexesAreBtreeIndexTypeByDefault() {
    String name;
    try (Transaction tx = db.beginTx()) {
        ConstraintDefinition constraint = tx.schema().constraintFor(label).assertPropertyIsUnique(propertyKey).create();
        name = constraint.getName();
        IndexDefinition index = getIndex(tx, name);
        assertThat(index.getIndexType()).isEqualTo(BTREE);
        tx.commit();
    }
    try (Transaction tx = db.beginTx()) {
        IndexDefinition index = getIndex(tx, name);
        assertThat(index.getIndexType()).isEqualTo(BTREE);
    }
}

Example 44 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaImpl method asConstraintDefinitions.

private Iterable<ConstraintDefinition> asConstraintDefinitions(Iterator<? extends ConstraintDescriptor> constraints, TokenRead tokenRead) {
    // Intentionally create an eager list so that used statement can be closed
    List<ConstraintDefinition> definitions = new ArrayList<>();
    while (constraints.hasNext()) {
        ConstraintDescriptor constraint = constraints.next();
        definitions.add(asConstraintDefinition(constraint, tokenRead));
    }
    return definitions;
}

Example 45 with ConstraintDefinition

use of org.neo4j.graphdb.schema.ConstraintDefinition in project neo4j by neo4j.

the class SchemaImpl method asConstraintDefinitions.

private Iterable<ConstraintDefinition> asConstraintDefinitions(Iterator<? extends ConstraintDescriptor> constraints, ReadOperations readOperations) {
    // Intentionally create an eager list so that used statement can be closed
    List<ConstraintDefinition> definitions = new ArrayList<>();
    while (constraints.hasNext()) {
        ConstraintDescriptor constraint = constraints.next();
        definitions.add(asConstraintDefinition(ConstraintBoundary.map(constraint), readOperations));
    }
    return definitions;
}