public synchronized CachedObject get(int i, PersistentStore store, boolean keep)
throws HsqlException {
if (i < 0) {
return null;
}
try {
CachedObject object = cache.get(i);
if (object == null) {
RowInputInterface rowInput = readObject(i);
if (rowInput == null) {
return null;
}
object = store.get(rowInput);
// for text tables with empty rows at the beginning,
// pos may move forward in readObject
i = object.getPos();
cache.put(i, object);
}
if (keep) {
object.keepInMemory(true);
}
return object;
} catch (IOException e) {
database.logger.appLog.logContext(SimpleLog.LOG_ERROR, fileName + " get pos: " + i);
database.logger.appLog.logContext(e);
throw Trace.error(
Trace.DATA_FILE_ERROR, Trace.DataFileCache_makeRow, new Object[] {e, fileName});
}
}
public synchronized CachedObject get(int i, PersistentStore store, boolean keep)
throws HsqlException {
if (i < 0) {
return null;
}
try {
CachedObject value = cache.get(i);
if (value == null) {
boolean result = readObject(i);
if (!result) {
return null;
}
value = store.get(rowIn);
value.setPos(i);
cache.put(i, value);
}
if (keep) {
value.keepInMemory(true);
}
return value;
} catch (IOException e) {
database.logger.appLog.logContext("" + cache + " pos: " + i);
database.logger.appLog.logContext(e);
throw Trace.error(
Trace.DATA_FILE_ERROR, Trace.DataFileCache_makeRow, new Object[] {e, fileName});
}
}
