[sdks] Make store_open{_encrypted} return useful errors.

Because this was formerly a constructor, the pattern needed to change
to a factory function, but that's better than what we had.
This commit is contained in:
Nick Alexander 2018-07-26 13:01:53 -07:00
parent 67a14ca756
commit 7e31ca15bc
7 changed files with 68 additions and 62 deletions

View file

@ -208,21 +208,19 @@ impl<'a, 'c> InProgressTransactResult<'a, 'c> {
/// A destructor `store_destroy` is provided for releasing the memory for this
/// pointer type.
#[no_mangle]
pub extern "C" fn store_open(uri: *const c_char) -> *mut Store {
pub unsafe extern "C" fn store_open(uri: *const c_char, error: *mut ExternError) -> *mut Store {
assert_not_null!(uri);
let uri = c_char_to_string(uri);
let store = Store::open(&uri).expect("expected a store");
Box::into_raw(Box::new(store))
translate_result(Store::open(&uri), error)
}
/// Variant of store_open that opens an encrypted database.
#[cfg(feature = "sqlcipher")]
#[no_mangle]
pub extern "C" fn store_open_encrypted(uri: *const c_char, key: *const c_char) -> *mut Store {
pub unsafe extern "C" fn store_open_encrypted(uri: *const c_char, key: *const c_char, error: *mut ExternError) -> *mut Store {
let uri = c_char_to_string(uri);
let key = c_char_to_string(key);
let store = Store::open_with_key(&uri, &key).expect("expected a store");
Box::into_raw(Box::new(store))
translate_result(Store::open_with_key(&uri, &key), error)
}
// TODO: open empty

View file

@ -71,7 +71,7 @@ public class FFIIntegrationTest {
@Test
public void openInMemoryStoreSucceeds() throws Exception {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
assertNotNull(mentat);
}
@ -79,7 +79,7 @@ public class FFIIntegrationTest {
public void openStoreInLocationSucceeds() throws Exception {
Context context = InstrumentationRegistry.getTargetContext();
String path = context.getDatabasePath("test.db").getAbsolutePath();
Mentat mentat = new Mentat(path);
Mentat mentat = Mentat.open(path);
assertNotNull(mentat);
}
@ -114,7 +114,7 @@ public class FFIIntegrationTest {
public Mentat openAndInitializeCitiesStore() {
if (this.mentat == null) {
this.mentat = new Mentat();
this.mentat = Mentat.open();
this.transactCitiesSchema(mentat);
this.transactSeattleData(mentat);
}
@ -177,7 +177,7 @@ public class FFIIntegrationTest {
@Test
public void transactingVocabularySucceeds() {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport schemaReport = this.transactCitiesSchema(mentat);
assertNotNull(schemaReport);
assertTrue(schemaReport.getTxId() > 0);
@ -185,7 +185,7 @@ public class FFIIntegrationTest {
@Test
public void transactingEntitiesSucceeds() {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
this.transactCitiesSchema(mentat);
TxReport dataReport = this.transactSeattleData(mentat);
assertNotNull(dataReport);
@ -363,7 +363,7 @@ public class FFIIntegrationTest {
@Test
public void bindingLongValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :in ?long :where [?e :foo/long ?long]]";
@ -384,7 +384,7 @@ public class FFIIntegrationTest {
@Test
public void bindingRefValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
long stringEntid = mentat.entIdForAttribute(":foo/string");
final Long bEntid = report.getEntidForTempId("b");
@ -406,7 +406,7 @@ public class FFIIntegrationTest {
@Test
public void bindingRefKwValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
String refKeyword = ":foo/string";
final Long bEntid = report.getEntidForTempId("b");
@ -428,7 +428,7 @@ public class FFIIntegrationTest {
@Test
public void bindingKwValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :in ?kw :where [?e :foo/keyword ?kw]]";
@ -449,7 +449,7 @@ public class FFIIntegrationTest {
@Test
public void bindingDateValueSucceeds() throws InterruptedException, ParseException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
@ -493,7 +493,7 @@ public class FFIIntegrationTest {
@Test
public void bindingUuidValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :in ?uuid :where [?e :foo/uuid ?uuid]]";
@ -515,7 +515,7 @@ public class FFIIntegrationTest {
@Test
public void bindingBooleanValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :in ?bool :where [?e :foo/boolean ?bool]]";
@ -537,7 +537,7 @@ public class FFIIntegrationTest {
@Test
public void bindingDoubleValueSucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :in ?double :where [?e :foo/double ?double]]";
@ -558,7 +558,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToLong() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/long ?v]]";
@ -580,7 +580,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToRef() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?e . :where [?e :foo/long 25]]";
@ -602,7 +602,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToKeyword() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/keyword ?v]]";
@ -624,7 +624,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToBoolean() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/boolean ?v]]";
@ -646,7 +646,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToDouble() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/double ?v]]";
@ -668,7 +668,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToDate() throws InterruptedException, ParseException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/instant ?v]]";
@ -693,7 +693,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToString() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/string ?v]]";
@ -715,7 +715,7 @@ public class FFIIntegrationTest {
@Test
public void typedValueConvertsToUUID() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
String query = "[:find ?v . :in ?e :where [?e :foo/uuid ?v]]";
@ -738,7 +738,7 @@ public class FFIIntegrationTest {
@Test
public void valueForAttributeOfEntitySucceeds() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
final Long aEntid = report.getEntidForTempId("a");
TypedValue value = mentat.valueForAttributeOfEntity(":foo/long", aEntid);
@ -748,7 +748,7 @@ public class FFIIntegrationTest {
@Test
public void entidForAttributeSucceeds() {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
this.populateWithTypesSchema(mentat);
long entid = mentat.entIdForAttribute(":foo/long");
assertEquals(65540, entid);
@ -756,7 +756,7 @@ public class FFIIntegrationTest {
@Test
public void testInProgressTransact() {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
assertNotNull(report);
@ -764,7 +764,7 @@ public class FFIIntegrationTest {
@Test
public void testInProgressRollback() {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
TxReport report = this.populateWithTypesSchema(mentat).dataReport;
assertNotNull(report);
long aEntid = report.getEntidForTempId("a");
@ -782,7 +782,7 @@ public class FFIIntegrationTest {
@Test
public void testInProgressEntityBuilder() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long bEntid = reports.dataReport.getEntidForTempId("b");
final long longEntid = reports.schemaReport.getEntidForTempId("l");
@ -862,7 +862,7 @@ public class FFIIntegrationTest {
@Test
public void testEntityBuilderForEntid() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long bEntid = reports.dataReport.getEntidForTempId("b");
final long longEntid = reports.schemaReport.getEntidForTempId("l");
@ -942,7 +942,7 @@ public class FFIIntegrationTest {
@Test
public void testEntityBuilderForTempid() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
final long longEntid = reports.schemaReport.getEntidForTempId("l");
@ -998,7 +998,7 @@ public class FFIIntegrationTest {
@Test
public void testInProgressBuilderTransact() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long aEntid = reports.dataReport.getEntidForTempId("a");
long bEntid = reports.dataReport.getEntidForTempId("b");
@ -1063,7 +1063,7 @@ public class FFIIntegrationTest {
@Test
public void testEntityBuilderTransact() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long aEntid = reports.dataReport.getEntidForTempId("a");
long bEntid = reports.dataReport.getEntidForTempId("b");
@ -1129,7 +1129,7 @@ public class FFIIntegrationTest {
@Test
public void testEntityBuilderRetract() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long bEntid = reports.dataReport.getEntidForTempId("b");
final long longEntid = reports.schemaReport.getEntidForTempId("l");
@ -1199,7 +1199,7 @@ public class FFIIntegrationTest {
@Test
public void testInProgressBuilderRetract() throws InterruptedException {
Mentat mentat = new Mentat();
Mentat mentat = Mentat.open();
DBSetupResult reports = this.populateWithTypesSchema(mentat);
long bEntid = reports.dataReport.getEntidForTempId("b");
final long longEntid = reports.schemaReport.getEntidForTempId("l");

View file

@ -42,7 +42,7 @@ public interface JNA extends Library {
class InProgressBuilder extends PointerType {}
class EntityBuilder extends PointerType {}
Store store_open(String dbPath);
Store store_open(String dbPath, RustError.ByReference err);
void destroy(Pointer obj);
void uuid_destroy(Pointer obj);

View file

@ -21,32 +21,39 @@ import com.sun.jna.Pointer;
* The raw pointer it holds is a pointer to a Store.
*/
public class Mentat extends RustObject<JNA.Store> {
static {
System.loadLibrary("mentat_ffi");
}
/**
* Open a connection to a Store in a given location.<br/>
* If the store does not already exist, one will be created.
* @param dbPath The URI as a String of the store to open.
*/
public Mentat(String dbPath) {
this(JNA.INSTANCE.store_open(dbPath));
}
/**
* Open a connection to an in-memory Store.
*/
public Mentat() {
this(JNA.INSTANCE.store_open(""));
}
/**
* Create a new Mentat with the provided pointer to a Mentat Store
* @param rawPointer A pointer to a Mentat Store.
*/
public Mentat(JNA.Store rawPointer) { super(rawPointer); }
private Mentat(JNA.Store rawPointer) { super(rawPointer); }
/**
* Open a connection to an in-memory Mentat Store.
*/
public static Mentat open() {
return open("");
}
/**
* Open a connection to a Store in a given location.
* <br/>
* If the store does not already exist, one will be created.
* @param dbPath The URI as a String of the store to open.
*/
public static Mentat open(String dbPath) {
RustError.ByReference err = new RustError.ByReference();
JNA.Store store = JNA.INSTANCE.store_open(dbPath, err);
if (!err.isSuccess()) {
err.logAndConsumeError("Mentat");
throw new RuntimeException("Failed to open store: " + dbPath);
}
return new Mentat(store);
}
/**
* Add an attribute to the cache. The {@link CacheDirection} determines how that attribute can be

View file

@ -21,8 +21,9 @@ class MainActivity : AppCompatActivity() {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
Mentat(this.getDatabasePath("test.db").absolutePath).use {
this.getDatabasePath("test.db").absoluteFile.parentFile.mkdirs();
Mentat.open(this.getDatabasePath("test.db").absolutePath).use {
}
}
}

View file

@ -58,8 +58,8 @@ open class Mentat: RustObject {
- Parameter storeURI: The URI as a String of the store to open.
If no store URI is provided, an in-memory store will be opened.
*/
public convenience init(storeURI: String = "") {
self.init(raw: store_open(storeURI))
public class func open(storeURI: String = "") throws -> Mentat {
return Mentat(raw: try RustError.unwrap({err in store_open(storeURI, err) }))
}
/**

View file

@ -102,7 +102,7 @@ typedef NS_ENUM(NSInteger, ValueType) {
};
// Store
struct Store*_Nonnull store_open(const char*_Nonnull uri);
struct Store*_Nonnull store_open(const char*_Nonnull uri, struct RustError* _Nonnull error);
// Destructors.
void destroy(void* _Nullable obj);