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; }