public class ObjectColumnProcessor extends AbstractObjectColumnProcessor<ParsingContext> implements RowProcessor
RowProcessor
implementation for converting rows extracted from any implementation of AbstractParser
into columns of objects.
This uses the value conversions provided by Conversion
instances.
For each row processed, a sequence of conversions will be executed to generate the appropriate object. Each resulting object will then be stored in a list that contains the values of the corresponding column.
At the end of the process, the user can access the lists with values parsed for all columns using the methods AbstractObjectColumnProcessor.getColumnValuesAsList()
,
AbstractObjectColumnProcessor.getColumnValuesAsMapOfIndexes()
and AbstractObjectColumnProcessor.getColumnValuesAsMapOfNames()
.
Note: Storing the values of all columns may be memory intensive. For large inputs, use a BatchedObjectColumnProcessor
instead
AbstractParser
,
RowProcessor
,
ColumnProcessor
,
Conversion
conversions
Constructor and Description |
---|
ObjectColumnProcessor()
Constructs a column processor, pre-allocating room for 1000 rows.
|
ObjectColumnProcessor(int expectedRowCount)
Constructs a column processor pre-allocating room for the expected number of rows to be processed
|
getColumn, getColumn, getColumn, getColumn, getColumnValuesAsList, getColumnValuesAsMapOfIndexes, getColumnValuesAsMapOfNames, getHeaders, processStarted, putColumnValuesInMapOfIndexes, putColumnValuesInMapOfNames, rowProcessed
processEnded, rowProcessed
applyConversions, convertAll, convertFields, convertIndexes, convertType, handleConversionError, initializeConversions, reverseConversions, toDataProcessingException
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
processEnded, processStarted, rowProcessed
public ObjectColumnProcessor()
public ObjectColumnProcessor(int expectedRowCount)
expectedRowCount
- the expected number of rows to be processedCopyright © 2019 Univocity Software Pty Ltd. All rights reserved.