@Override
public UniquenessConstraint apply(UniquenessConstraintRule rule) {
// We can use propertyKeyId straight up here, without reading from the record, since
// we have
// verified that it has that propertyKeyId in the predicate. And since we currently
// only support
// uniqueness on single properties, there is nothing else to pass in to
// UniquenessConstraint.
return new UniquenessConstraint(rule.getLabel(), rule.getPropertyKey());
}
private void createConstraintRule(UniquenessConstraint constraint) {
// TODO: Do not create duplicate index
SchemaStore schemaStore = getSchemaStore();
long indexRuleId = schemaStore.nextId();
long constraintRuleId = schemaStore.nextId();
IndexRule indexRule =
IndexRule.constraintIndexRule(
indexRuleId,
constraint.label(),
constraint.propertyKeyId(),
this.schemaIndexProviders.getDefaultProvider().getProviderDescriptor(),
constraintRuleId);
UniquenessConstraintRule constraintRule =
UniquenessConstraintRule.uniquenessConstraintRule(
constraintRuleId, constraint.label(), constraint.propertyKeyId(), indexRuleId);
for (DynamicRecord record : schemaStore.allocateFrom(constraintRule)) {
schemaStore.updateRecord(record);
}
schemaCache.addSchemaRule(constraintRule);
for (DynamicRecord record : schemaStore.allocateFrom(indexRule)) {
schemaStore.updateRecord(record);
}
schemaCache.addSchemaRule(indexRule);
labelsTouched = true;
recordAccess.commit();
}