private static void closeEnv() {
System.out.println("Closing env and databases");
if (myDb != null) {
try {
myDb.close();
} catch (DatabaseException e) {
System.err.println("closeEnv: myDb: " + e.toString());
e.printStackTrace();
}
}
if (myClassDb != null) {
try {
myClassDb.close();
} catch (DatabaseException e) {
System.err.println("closeEnv: myClassDb: " + e.toString());
e.printStackTrace();
}
}
if (myEnv != null) {
try {
myEnv.close();
} catch (DatabaseException e) {
System.err.println("closeEnv: " + e.toString());
e.printStackTrace();
}
}
}
public static void main(String args[]) {
ExampleInventoryRead eir = new ExampleInventoryRead();
try {
eir.run(args);
} catch (DatabaseException dbe) {
System.err.println("ExampleInventoryRead: " + dbe.toString());
dbe.printStackTrace();
} finally {
myDbEnv.close();
}
System.out.println("All done.");
}
// Close the environment
public boolean close() {
if (m_env != null) {
try {
// StatsConfig config = new StatsConfig();
// config.setClear(true);
// System.err.println(m_env.getStats(config));
// Finally, close the environment.
m_env.close();
} catch (DatabaseException dbe) {
System.err.println("Error closing MyDbEnv: " + dbe.toString());
return false;
}
}
return true;
}
public void close() {
if (myEnv != null) {
try {
Iterator<Entry<String, Database>> it = myDbHashHandle.entrySet().iterator();
while (it.hasNext()) {
Database thisDb = it.next().getValue();
if (thisDb != null) {
thisDb.close();
}
}
myEnv.close();
} catch (DatabaseException dbe) {
System.err.println("Error closing Envorionment" + dbe.toString());
}
}
}
private void doClose(boolean doCheckpoint) throws DatabaseException {
StringBuffer errors = new StringBuffer();
try {
// refined trace Tracer.trace(Level.FINE, this, "Close of
// environment " + envHome + " started");
try {
envState.checkState(DbEnvState.VALID_FOR_CLOSE, DbEnvState.CLOSED);
} catch (DatabaseException DBE) {
throw DBE;
}
/*
* Begin shutdown of the deamons before checkpointing. Cleaning
* during the checkpoint is wasted and slows down the checkpoint.
*/
requestShutdownDaemons();
/* Checkpoint to bound recovery time. */
if (doCheckpoint
&& !isReadOnly
&& (envState != DbEnvState.INVALID)
&& logManager.getLastLsnAtRecovery() != fileManager.getLastUsedLsn()) {
/*
* Force a checkpoint. Don't allow deltas (minimize recovery
* time) because they cause inefficiencies for two reasons: (1)
* recovering BINDeltas causes extra random I/O in order to
* reconstitute BINS, which can greatly increase recovery time,
* and (2) logging deltas during close causes redundant logging
* by the full checkpoint after recovery.
*/
CheckpointConfig ckptConfig = new CheckpointConfig();
ckptConfig.setForce(true);
ckptConfig.setMinimizeRecoveryTime(true);
try {
invokeCheckpoint(
ckptConfig,
false, // flushAll
"close");
} catch (DatabaseException IE) {
errors.append("\nException performing checkpoint: ");
errors.append(IE.toString()).append("\n");
}
}
try {
shutdownDaemons();
} catch (InterruptedException IE) {
errors.append("\nException shutting down daemon threads: ");
errors.append(IE.toString()).append("\n");
}
/* Flush log. */
// refined trace Tracer.trace(Level.FINE, this, "Env " + envHome + "
// daemons shutdown");
try {
logManager.flush();
} catch (DatabaseException DBE) {
errors.append("\nException flushing log manager: ");
errors.append(DBE.toString()).append("\n");
}
try {
fileManager.clear();
} catch (IOException IOE) {
errors.append("\nException clearing file manager: ");
errors.append(IOE.toString()).append("\n");
} catch (DatabaseException DBE) {
errors.append("\nException clearing file manager: ");
errors.append(DBE.toString()).append("\n");
}
try {
fileManager.close();
} catch (IOException IOE) {
errors.append("\nException clearing file manager: ");
errors.append(IOE.toString()).append("\n");
} catch (DatabaseException DBE) {
errors.append("\nException clearing file manager: ");
errors.append(DBE.toString()).append("\n");
}
try {
inMemoryINs.clear();
} catch (DatabaseException DBE) {
errors.append("\nException closing file manager: ");
errors.append(DBE.toString()).append("\n");
}
hook_afterDoClose(errors);
} finally {
envState = DbEnvState.CLOSED;
}
if (errors.length() > 0 && savedInvalidatingException == null) {
/* Don't whine again if we've already whined. */
throw new RunRecoveryException(this, errors.toString());
}
}
