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

Example 61 with ConstraintDescriptor

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

the class SchemaReadWriteTestBase method shouldSeeRelationshipPropertyExistenceConstraintFromTransaction.

@Test
void shouldSeeRelationshipPropertyExistenceConstraintFromTransaction() throws Exception {
    ConstraintDescriptor existing;
    try (KernelTransaction transaction = beginTransaction()) {
        existing = transaction.schemaWrite().relationshipPropertyExistenceConstraintCreate(forRelType(type, prop1), "existing constraint");
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaReadCore before = transaction.schemaRead().snapshot();
        ConstraintDescriptor newConstraint = transaction.schemaWrite().relationshipPropertyExistenceConstraintCreate(forRelType(type, prop2), "new constraint");
        SchemaRead schemaRead = transaction.schemaRead();
        assertTrue(schemaRead.constraintExists(existing));
        assertTrue(schemaRead.constraintExists(newConstraint));
        assertThat(asList(schemaRead.constraintsGetForRelationshipType(type))).contains(existing, newConstraint);
        assertThat(asList(schemaRead.snapshot().constraintsGetForRelationshipType(type))).contains(existing, newConstraint);
        assertThat(asList(before.constraintsGetForRelationshipType(type))).contains(existing, newConstraint);
    }
}

Example 62 with ConstraintDescriptor

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

the class SchemaReadWriteTestBase method shouldListAllConstraints.

@Test
void shouldListAllConstraints() throws Exception {
    ConstraintDescriptor toRetain;
    ConstraintDescriptor toRetain2;
    ConstraintDescriptor toDrop;
    ConstraintDescriptor created;
    try (KernelTransaction tx = beginTransaction()) {
        toRetain = tx.schemaWrite().uniquePropertyConstraintCreate(uniqueForSchema(forLabel(label, prop1)).withName("first constraint"));
        toRetain2 = tx.schemaWrite().uniquePropertyConstraintCreate(uniqueForSchema(forLabel(label2, prop1)).withName("second constraint"));
        toDrop = tx.schemaWrite().uniquePropertyConstraintCreate(uniqueForSchema(forLabel(label, prop2)).withName("third constraint"));
        tx.commit();
    }
    try (KernelTransaction tx = beginTransaction()) {
        created = tx.schemaWrite().nodePropertyExistenceConstraintCreate(forLabel(label, prop1), "new constraint");
        tx.schemaWrite().constraintDrop(toDrop);
        Iterable<ConstraintDescriptor> allConstraints = () -> tx.schemaRead().constraintsGetAll();
        assertThat(allConstraints).contains(toRetain, toRetain2, created);
        tx.commit();
    }
}

Example 63 with ConstraintDescriptor

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

the class SchemaReadWriteTestBase method shouldDropConstraintByName.

@Test
void shouldDropConstraintByName() throws Exception {
    ConstraintDescriptor constraint;
    String constraintName = "my constraint";
    try (KernelTransaction transaction = beginTransaction()) {
        constraint = transaction.schemaWrite().uniquePropertyConstraintCreate(uniqueForSchema(forLabel(label, prop1)).withName(constraintName));
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        transaction.schemaWrite().constraintDrop(constraintName);
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaRead schemaRead = transaction.schemaRead();
        assertFalse(schemaRead.constraintExists(constraint));
    }
}

Example 64 with ConstraintDescriptor

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

the class SchemaReadWriteTestBase method shouldSeeNodeKeyConstraintFromTransaction.

@Test
void shouldSeeNodeKeyConstraintFromTransaction() throws Exception {
    ConstraintDescriptor existing;
    try (KernelTransaction transaction = beginTransaction()) {
        existing = transaction.schemaWrite().nodeKeyConstraintCreate(uniqueForSchema(forLabel(label, prop1)).withName("existing constraint"));
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaReadCore before = transaction.schemaRead().snapshot();
        ConstraintDescriptor newConstraint = transaction.schemaWrite().nodeKeyConstraintCreate(uniqueForSchema(forLabel(label, prop2)).withName("new constraint"));
        SchemaRead schemaRead = transaction.schemaRead();
        assertTrue(schemaRead.constraintExists(existing));
        assertTrue(schemaRead.constraintExists(newConstraint));
        assertThat(asList(schemaRead.constraintsGetForLabel(label))).contains(existing, newConstraint);
        assertThat(asList(schemaRead.snapshot().constraintsGetForLabel(label))).contains(existing, newConstraint);
        assertThat(asList(before.constraintsGetForLabel(label))).contains(existing, newConstraint);
    }
}

Example 65 with ConstraintDescriptor

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

the class SchemaReadWriteTestBase method shouldDropNodeKeyConstraint.

@Test
void shouldDropNodeKeyConstraint() throws Exception {
    ConstraintDescriptor constraint;
    try (KernelTransaction transaction = beginTransaction()) {
        constraint = transaction.schemaWrite().nodeKeyConstraintCreate(uniqueForSchema(forLabel(label, prop1)));
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        transaction.schemaWrite().constraintDrop(constraint);
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaRead schemaRead = transaction.schemaRead();
        assertFalse(schemaRead.constraintExists(constraint));
        assertThat(asList(schemaRead.constraintsGetForLabel(label))).isEmpty();
        assertThat(asList(schemaRead.snapshot().constraintsGetForLabel(label))).isEmpty();
    }
}