@Override
public void open(ExecutionContext executionContext) throws ItemStreamException {
super.open(executionContext);
try {
doOpen();
} catch (Exception e) {
throw new ItemStreamException("Failed to initialize the reader", e);
}
if (!isSaveState()) {
return;
}
if (executionContext.containsKey(getExecutionContextKey(READ_COUNT_MAX))) {
maxItemCount = executionContext.getInt(getExecutionContextKey(READ_COUNT_MAX));
}
if (executionContext.containsKey(getExecutionContextKey(READ_COUNT))) {
int itemCount = executionContext.getInt(getExecutionContextKey(READ_COUNT));
if (itemCount < maxItemCount) {
try {
jumpToItem(itemCount);
} catch (Exception e) {
throw new ItemStreamException("Could not move to stored position on restart", e);
}
}
currentItemCount = itemCount;
}
}
@Override
public void open(ExecutionContext executionContext) throws ItemStreamException {
counter.set(executionContext.getInt(getKey("COUNT"), 0));
}