void initNew__wrappee__base(
Environment env, Locker locker, String databaseName, DatabaseConfig dbConfig)
throws DatabaseException {
if (dbConfig.getReadOnly()) {
throw new DatabaseException(
"DatabaseConfig.setReadOnly() must be set to false " + "when creating a Database");
}
init(env, dbConfig);
EnvironmentImpl environmentImpl = DbInternal.envGetEnvironmentImpl(envHandle);
databaseImpl = environmentImpl.createDb(locker, databaseName, dbConfig, this);
databaseImpl.addReferringHandle(this);
}
/** Test open and close of an environment. */
public void testCacheStats() throws DatabaseException {
EnvironmentConfig envConfig = TestUtils.initEnvConfig();
envConfig.setTransactional(true);
envConfig.setConfigParam(EnvironmentParams.NODE_MAX.getName(), "6");
envConfig.setAllowCreate(true);
env = new Environment(envHome, envConfig);
EnvironmentStats stat = env.getStats(TestUtils.FAST_STATS);
env.close();
env = null;
assertEquals(0, stat.getNCacheMiss());
assertEquals(0, stat.getNNotResident());
// Try to open and close again, now that the environment exists
envConfig.setAllowCreate(false);
envConfig.setConfigParam(EnvironmentParams.JE_LOGGING_LEVEL.getName(), "CONFIG");
env = new Environment(envHome, envConfig);
DatabaseConfig dbConfig = new DatabaseConfig();
dbConfig.setTransactional(true);
dbConfig.setAllowCreate(true);
Database db = env.openDatabase(null, "foo", dbConfig);
db.put(null, new DatabaseEntry(new byte[0]), new DatabaseEntry(new byte[0]));
Transaction txn = env.beginTransaction(null, null);
db.put(txn, new DatabaseEntry(new byte[0]), new DatabaseEntry(new byte[0]));
stat = env.getStats(TestUtils.FAST_STATS);
MemoryBudget mb = DbInternal.envGetEnvironmentImpl(env).getMemoryBudget();
assertEquals(mb.getCacheMemoryUsage(), stat.getCacheTotalBytes());
assertEquals(mb.getLogBufferBudget(), stat.getBufferBytes());
assertEquals(mb.getTreeMemoryUsage() + mb.getTreeAdminMemoryUsage(), stat.getDataBytes());
assertEquals(mb.getLockMemoryUsage(), stat.getLockBytes());
assertEquals(mb.getAdminMemoryUsage(), stat.getAdminBytes());
assertTrue(stat.getBufferBytes() > 0);
assertTrue(stat.getDataBytes() > 0);
assertTrue(stat.getLockBytes() > 0);
assertTrue(stat.getAdminBytes() > 0);
assertEquals(
stat.getCacheTotalBytes(),
stat.getBufferBytes() + stat.getDataBytes() + stat.getLockBytes() + stat.getAdminBytes());
assertEquals(12, stat.getNCacheMiss());
assertEquals(12, stat.getNNotResident());
/* Test deprecated getCacheDataBytes method. */
final EnvironmentStats finalStat = stat;
final long expectCacheDataBytes = mb.getCacheMemoryUsage() - mb.getLogBufferBudget();
(new Runnable() {
@Deprecated
public void run() {
assertEquals(expectCacheDataBytes, finalStat.getCacheDataBytes());
}
})
.run();
txn.abort();
db.close();
env.close();
env = null;
}
