public void testOpenAndClose() throws DatabaseException {
Database priDb = openDatabase(false, "testDB", false);
/* Open two secondaries as regular databases and as secondaries. */
Database secDbDetached = openDatabase(true, "testSecDB", false);
SecondaryDatabase secDb = openSecondary(priDb, true, "testSecDB", false, false);
Database secDb2Detached = openDatabase(true, "testSecDB2", false);
SecondaryDatabase secDb2 = openSecondary(priDb, true, "testSecDB2", false, false);
assertEquals(
priDb.getSecondaryDatabases(), Arrays.asList(new SecondaryDatabase[] {secDb, secDb2}));
Transaction txn = txnBegin();
/* Check that primary writes to both secondaries. */
checkSecondaryUpdate(txn, priDb, 1, secDbDetached, true, secDb2Detached, true);
/* New txn before closing database. */
txnCommit(txn);
txn = txnBegin();
/* Close 2nd secondary. */
secDb2.close();
assertEquals(priDb.getSecondaryDatabases(), Arrays.asList(new SecondaryDatabase[] {secDb}));
/* Check that primary writes to 1st secondary only. */
checkSecondaryUpdate(txn, priDb, 2, secDbDetached, true, secDb2Detached, false);
/* New txn before closing database. */
txnCommit(txn);
txn = txnBegin();
/* Close 1st secondary. */
secDb.close();
assertEquals(0, priDb.getSecondaryDatabases().size());
/* Check that primary writes to no secondaries. */
checkSecondaryUpdate(txn, priDb, 3, secDbDetached, false, secDb2Detached, false);
/* Open the two secondaries again. */
secDb = openSecondary(priDb, true, "testSecDB", false, false);
secDb2 = openSecondary(priDb, true, "testSecDB2", false, false);
assertEquals(
priDb.getSecondaryDatabases(), Arrays.asList(new SecondaryDatabase[] {secDb, secDb2}));
/* Check that primary writes to both secondaries. */
checkSecondaryUpdate(txn, priDb, 4, secDbDetached, true, secDb2Detached, true);
/* Close the primary first to disassociate secondaries. */
txnCommit(txn);
priDb.close();
assertNull(secDb.getPrimaryDatabase());
assertNull(secDb2.getPrimaryDatabase());
secDb2.close();
secDb.close();
secDb2Detached.close();
secDbDetached.close();
}
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;
}