Examples with SchemaRead org.neo4j.internal.kernel.api.SchemaRead used on opensource projects

Example 16 with SchemaRead

use of org.neo4j.internal.kernel.api.SchemaRead in project neo4j by neo4j.

the class SchemaReadWriteTestBase method shouldCreateNodePropertyExistenceConstraint.

@Test
void shouldCreateNodePropertyExistenceConstraint() throws Exception {
    ConstraintDescriptor constraint;
    try (KernelTransaction transaction = beginTransaction()) {
        constraint = transaction.schemaWrite().nodePropertyExistenceConstraintCreate(forLabel(label, prop1), "constraint name");
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaRead schemaRead = transaction.schemaRead();
        assertTrue(schemaRead.constraintExists(constraint));
        assertThat(asList(schemaRead.constraintsGetForLabel(label))).isEqualTo(singletonList(constraint));
        assertThat(asList(schemaRead.snapshot().constraintsGetForLabel(label))).isEqualTo(singletonList(constraint));
    }
}

Example 17 with SchemaRead

use of org.neo4j.internal.kernel.api.SchemaRead in project neo4j by neo4j.

the class SchemaReadWriteTestBase method shouldDropNodePropertyExistenceConstraint.

@Test
void shouldDropNodePropertyExistenceConstraint() throws Exception {
    ConstraintDescriptor constraint;
    try (KernelTransaction transaction = beginTransaction()) {
        constraint = transaction.schemaWrite().nodePropertyExistenceConstraintCreate(forLabel(label, prop1), "constraint name");
        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();
    }
}

Example 18 with SchemaRead

use of org.neo4j.internal.kernel.api.SchemaRead in project neo4j by neo4j.

the class SchemaReadWriteTestBase method shouldNotSeeDroppedIndexFromTransaction.

@Test
void shouldNotSeeDroppedIndexFromTransaction() throws Exception {
    IndexDescriptor index;
    try (KernelTransaction transaction = beginTransaction()) {
        index = transaction.schemaWrite().indexCreate(forLabel(label, prop1), "my index");
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        transaction.schemaWrite().indexDrop(index);
        SchemaRead schemaRead = transaction.schemaRead();
        assertFalse(schemaRead.index(index.schema()).hasNext());
    }
}

Example 19 with SchemaRead

use of org.neo4j.internal.kernel.api.SchemaRead in project neo4j by neo4j.

the class SchemaReadWriteTestBase method shouldCreateUniquePropertyConstraint.

@Test
void shouldCreateUniquePropertyConstraint() throws Exception {
    ConstraintDescriptor constraint;
    try (KernelTransaction transaction = beginTransaction()) {
        constraint = transaction.schemaWrite().uniquePropertyConstraintCreate(uniqueForSchema(forLabel(label, prop1)));
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaRead schemaRead = transaction.schemaRead();
        assertTrue(schemaRead.constraintExists(constraint));
        assertThat(asList(schemaRead.constraintsGetForLabel(label))).isEqualTo(singletonList(constraint));
        assertThat(asList(schemaRead.snapshot().constraintsGetForLabel(label))).isEqualTo(singletonList(constraint));
    }
}

Example 20 with SchemaRead

use of org.neo4j.internal.kernel.api.SchemaRead in project neo4j by neo4j.

the class SchemaReadWriteTestBase method shouldDropInByName.

@Test
void shouldDropInByName() throws Exception {
    String indexName = "My fancy index";
    try (KernelTransaction transaction = beginTransaction()) {
        transaction.schemaWrite().indexCreate(forLabel(label, prop1), indexName);
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        transaction.schemaWrite().indexDrop(indexName);
        transaction.commit();
    }
    try (KernelTransaction transaction = beginTransaction()) {
        SchemaRead schemaRead = transaction.schemaRead();
        assertFalse(schemaRead.index(SchemaDescriptor.forLabel(label, prop1)).hasNext());
    }
}