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

Example 6 with ConstraintDefinition

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

the class SchemaAcceptanceTest method shouldCreateUniquenessConstraint.

@Test
public void shouldCreateUniquenessConstraint() throws Exception {
    // WHEN
    ConstraintDefinition constraint = createUniquenessConstraint(label, propertyKey);
    // THEN
    try (Transaction tx = db.beginTx()) {
        assertEquals(ConstraintType.UNIQUENESS, constraint.getConstraintType());
        assertEquals(label.name(), constraint.getLabel().name());
        assertEquals(asSet(propertyKey), Iterables.asSet(constraint.getPropertyKeys()));
        tx.success();
    }
}

Example 7 with ConstraintDefinition

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

the class DatabaseActionsTest method shouldCreatePropertyUniquenessConstraint.

@Test
public void shouldCreatePropertyUniquenessConstraint() throws Exception {
    // GIVEN
    String labelName = "person", propertyKey = "name";
    // WHEN
    actions.createPropertyUniquenessConstraint(labelName, asList(propertyKey));
    // THEN
    try (Transaction tx = graph.beginTx()) {
        Iterable<ConstraintDefinition> defs = graphdbHelper.getPropertyUniquenessConstraints(labelName, propertyKey);
        assertEquals(asSet(propertyKey), Iterables.asSet(single(defs).getPropertyKeys()));
        tx.success();
    }
}

Example 8 with ConstraintDefinition

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

the class DatabaseActionsTest method shouldDropPropertyUniquenessConstraint.

@Test
public void shouldDropPropertyUniquenessConstraint() throws Exception {
    // GIVEN
    String labelName = "user", propertyKey = "login";
    ConstraintDefinition index = graphdbHelper.createPropertyUniquenessConstraint(labelName, asList(propertyKey));
    // WHEN
    actions.dropPropertyUniquenessConstraint(labelName, asList(propertyKey));
    // THEN
    assertFalse("Constraint should have been dropped", Iterables.asSet(graphdbHelper.getPropertyUniquenessConstraints(labelName, propertyKey)).contains(index));
}

Example 9 with ConstraintDefinition

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

the class DatabaseActionsTest method dropNonExistentConstraint.

@Test
public void dropNonExistentConstraint() throws Exception {
    // GIVEN
    String labelName = "user", propertyKey = "login";
    ConstraintDefinition constraint = graphdbHelper.createPropertyUniquenessConstraint(labelName, asList(propertyKey));
    // EXPECT
    expectedException.expect(ConstraintViolationException.class);
    // WHEN
    try (Transaction tx = graph.beginTx()) {
        constraint.drop();
        constraint.drop();
    }
}

Example 10 with ConstraintDefinition

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

the class Schema method reportConstraints.

private void reportConstraints(Output out, Iterable<ConstraintDefinition> constraints) throws RemoteException {
    int j = 0;
    for (ConstraintDefinition constraint : constraints) {
        if (j == 0) {
            out.println();
            out.println("Constraints");
        }
        out.println(indent(constraint.toString()));
        j++;
    }
    if (j == 0) {
        out.println();
        out.println("No constraints");
    }
}