Examples with NodeKeyConstraintDescriptor org.neo4j.internal.schema.constraints.NodeKeyConstraintDescriptor used on opensource projects

Example 6 with NodeKeyConstraintDescriptor

use of org.neo4j.internal.schema.constraints.NodeKeyConstraintDescriptor in project neo4j by neo4j.

the class TransactionToRecordStateVisitor method visitAddedNodeKeyConstraint.

private void visitAddedNodeKeyConstraint(NodeKeyConstraintDescriptor uniqueConstraint, long constraintId) throws KernelException {
    IndexDescriptor indexRule = (IndexDescriptor) schemaStorage.loadSingleSchemaRule(uniqueConstraint.ownedIndexId(), cursorContext);
    ConstraintDescriptor constraint = constraintSemantics.createNodeKeyConstraintRule(constraintId, uniqueConstraint, indexRule.getId());
    schemaStateChanger.createSchemaRule(recordState, constraint);
    schemaStateChanger.setConstraintIndexOwner(recordState, indexRule, constraintId);
}

Example 7 with NodeKeyConstraintDescriptor

use of org.neo4j.internal.schema.constraints.NodeKeyConstraintDescriptor in project neo4j by neo4j.

the class SchemaRuleSerialization35Test method assertParseNodeKeyConstraintRule.

private static void assertParseNodeKeyConstraintRule(String serialized, String name) throws MalformedSchemaRuleException {
    // GIVEN
    long ruleId = 1;
    int propertyKey = 3;
    int labelId = 55;
    long ownedIndexId = 2;
    NodeKeyConstraintDescriptor constraint = nodeKeyForLabel(labelId, propertyKey);
    byte[] bytes = decodeBase64(serialized);
    // WHEN
    ConstraintDescriptor deserialized = assertConstraintRule(SchemaRuleSerialization35.deserialize(ruleId, ByteBuffer.wrap(bytes)));
    // THEN
    assertThat(deserialized.getId()).isEqualTo(ruleId);
    assertThat(deserialized).isEqualTo(constraint);
    assertThat(deserialized.schema()).isEqualTo(constraint.schema());
    assertThat(deserialized.asIndexBackedConstraint().ownedIndexId()).isEqualTo(ownedIndexId);
    assertThat(deserialized.getName()).isEqualTo(name);
}

Example 8 with NodeKeyConstraintDescriptor

use of org.neo4j.internal.schema.constraints.NodeKeyConstraintDescriptor in project neo4j by neo4j.

the class Operations method nodeKeyConstraintCreate.

@Override
public ConstraintDescriptor nodeKeyConstraintCreate(IndexPrototype prototype) throws KernelException {
    SchemaDescriptor schema = prototype.schema();
    exclusiveSchemaLock(schema);
    ktx.assertOpen();
    prototype = ensureIndexPrototypeHasIndexProvider(prototype);
    NodeKeyConstraintDescriptor constraint = ConstraintDescriptorFactory.nodeKeyForSchema(schema);
    try {
        // Check data integrity
        assertValidDescriptor(schema, SchemaKernelException.OperationContext.CONSTRAINT_CREATION);
        if (prototype.getName().isEmpty()) {
            constraint = ensureConstraintHasName(constraint);
            prototype = prototype.withName(constraint.getName());
        } else {
            constraint = constraint.withName(prototype.getName().get());
        }
        exclusiveSchemaNameLock(constraint.getName());
        assertNoBlockingSchemaRulesExists(constraint);
    } catch (SchemaKernelException e) {
        exclusiveSchemaUnlock(schema);
        throw e;
    }
    // enforce constraints
    enforceNodeKeyConstraint(schema);
    // create constraint
    indexBackedConstraintCreate(constraint, prototype);
    return constraint;
}

Example 9 with NodeKeyConstraintDescriptor

use of org.neo4j.internal.schema.constraints.NodeKeyConstraintDescriptor in project neo4j by neo4j.

the class BuiltInProceduresTest method givenNodeKeys.

private void givenNodeKeys(String label, String... props) {
    int labelId = token(label, labels);
    int[] propIds = new int[props.length];
    for (int i = 0; i < propIds.length; i++) {
        propIds[i] = token(props[i], propKeys);
    }
    final NodeKeyConstraintDescriptor constraint = ConstraintDescriptorFactory.nodeKeyForLabel(labelId, propIds).withName("MyNodeKeyConstraint");
    constraints.add(constraint);
}