private SecondaryConfig getSecondaryConfig(
String secName,
EntityMetadata entityMeta,
String keyClassName,
SecondaryKeyMetadata secKeyMeta) {
SecondaryConfig config = secConfigMap.get(secName);
if (config == null) {
/* Set common properties to match the primary DB. */
DatabaseConfig priConfig = getPrimaryConfig(entityMeta);
config = new SecondaryConfig();
config.setTransactional(priConfig.getTransactional());
config.setAllowCreate(!priConfig.getReadOnly());
config.setReadOnly(priConfig.getReadOnly());
DbCompat.setDeferredWrite(config, DbCompat.getDeferredWrite(priConfig));
/* Set secondary properties based on metadata. */
config.setAllowPopulate(true);
Relationship rel = secKeyMeta.getRelationship();
config.setSortedDuplicates(
rel == Relationship.MANY_TO_ONE || rel == Relationship.MANY_TO_MANY);
setBtreeComparator(config, secKeyMeta.getClassName());
PersistKeyCreator keyCreator =
new PersistKeyCreator(catalog, entityMeta, keyClassName, secKeyMeta);
if (rel == Relationship.ONE_TO_MANY || rel == Relationship.MANY_TO_MANY) {
config.setMultiKeyCreator(keyCreator);
} else {
config.setKeyCreator(keyCreator);
}
DeleteAction deleteAction = secKeyMeta.getDeleteAction();
if (deleteAction != null) {
ForeignKeyDeleteAction baseDeleteAction;
switch (deleteAction) {
case ABORT:
baseDeleteAction = ForeignKeyDeleteAction.ABORT;
break;
case CASCADE:
baseDeleteAction = ForeignKeyDeleteAction.CASCADE;
break;
case NULLIFY:
baseDeleteAction = ForeignKeyDeleteAction.NULLIFY;
break;
default:
throw new IllegalStateException(deleteAction.toString());
}
config.setForeignKeyDeleteAction(baseDeleteAction);
if (deleteAction == DeleteAction.NULLIFY) {
config.setForeignMultiKeyNullifier(keyCreator);
}
}
secConfigMap.put(secName, config);
}
return config;
}
private SecondaryDatabase openSecondary(
Database priDb,
boolean allowDuplicates,
String dbName,
boolean allowPopulate,
boolean readOnly)
throws DatabaseException {
List secListBefore = priDb.getSecondaryDatabases();
SecondaryConfig dbConfig = new SecondaryConfig();
dbConfig.setTransactional(isTransactional);
dbConfig.setAllowCreate(true);
dbConfig.setSortedDuplicates(allowDuplicates);
dbConfig.setReadOnly(readOnly);
dbConfig.setAllowPopulate(allowPopulate);
if (!readOnly) {
if (useMultiKey) {
dbConfig.setMultiKeyCreator(new SimpleMultiKeyCreator(new MyKeyCreator()));
} else {
dbConfig.setKeyCreator(new MyKeyCreator());
}
}
Transaction txn = txnBegin();
SecondaryDatabase secDb;
try {
secDb = env.openSecondaryDatabase(txn, dbName, priDb, dbConfig);
} finally {
txnCommit(txn);
}
assertNotNull(secDb);
/* Check configuration. */
assertSame(priDb, secDb.getPrimaryDatabase());
SecondaryConfig config2 = secDb.getSecondaryConfig();
assertEquals(allowPopulate, config2.getAllowPopulate());
assertEquals(dbConfig.getKeyCreator(), config2.getKeyCreator());
/* Make sure the new secondary is added to the primary's list. */
List secListAfter = priDb.getSecondaryDatabases();
assertTrue(secListAfter.remove(secDb));
assertEquals(secListBefore, secListAfter);
return secDb;
}
/** @deprecated use of Database.truncate */
public void testOperationsNotAllowed() throws DatabaseException {
SecondaryDatabase secDb = initDb();
Database priDb = secDb.getPrimaryDatabase();
Transaction txn = txnBegin();
/* Open secondary without a key creator. */
try {
env.openSecondaryDatabase(txn, "xxx", priDb, null);
fail();
} catch (NullPointerException expected) {
}
try {
env.openSecondaryDatabase(txn, "xxx", priDb, new SecondaryConfig());
fail();
} catch (NullPointerException expected) {
}
/* Open secondary with both single and multi key creators. */
SecondaryConfig config = new SecondaryConfig();
config.setKeyCreator(new MyKeyCreator());
config.setMultiKeyCreator(new SimpleMultiKeyCreator(new MyKeyCreator()));
try {
env.openSecondaryDatabase(txn, "xxx", priDb, config);
fail();
} catch (IllegalArgumentException expected) {
}
/* Database operations. */
DatabaseEntry key = entry(1);
DatabaseEntry data = entry(2);
try {
secDb.getSearchBoth(txn, key, data, LockMode.DEFAULT);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
secDb.put(txn, key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
secDb.putNoOverwrite(txn, key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
secDb.putNoDupData(txn, key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
secDb.truncate(txn, true);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
secDb.join(new Cursor[0], null);
fail();
} catch (UnsupportedOperationException expected) {
}
/* Cursor operations. */
txnCommit(txn);
txn = txnBeginCursor();
SecondaryCursor cursor = null;
try {
cursor = secDb.openSecondaryCursor(txn, null);
try {
cursor.getSearchBoth(key, data, LockMode.DEFAULT);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
cursor.getSearchBothRange(key, data, LockMode.DEFAULT);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
cursor.putCurrent(data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
cursor.put(key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
cursor.putNoOverwrite(key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
try {
cursor.putNoDupData(key, data);
fail();
} catch (UnsupportedOperationException expected) {
}
} finally {
if (cursor != null) {
cursor.close();
}
}
txnCommit(txn);
secDb.close();
priDb.close();
/* Primary with duplicates. */
priDb = openDatabase(true, "testDBWithDups", false);
try {
openSecondary(priDb, true, "testSecDB", false, false);
fail();
} catch (IllegalArgumentException expected) {
}
priDb.close();
/* Single secondary with two primaries.*/
Database pri1 = openDatabase(false, "pri1", false);
Database pri2 = openDatabase(false, "pri2", false);
Database sec1 = openSecondary(pri1, false, "sec", false, false);
try {
openSecondary(pri2, false, "sec", false, false);
fail();
} catch (IllegalArgumentException expected) {
}
sec1.close();
pri1.close();
pri2.close();
}