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java.lang.Objectorg.knime.base.node.io.arffreader.ARFFTable
public class ARFFTable
Constructor Summary | |
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ARFFTable(URL arffFileLocation,
DataTableSpec tSpec,
String rowKeyPrefix)
Create a new DataTable reading its content from an ARFF file at the specified location. |
Method Summary | |
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static DataTableSpec |
createDataTableSpecFromARFFfile(URL fileLoc,
ExecutionMonitor exec)
Reads in the header of the specified ARFF file and returns a corresponding table spec object. |
DataTableSpec |
getDataTableSpec()
Returns the DataTableSpec object of this table which gives
information about the structure of this data table. |
RowIterator |
iterator()
Returns a row iterator which returns each row one-by-one from the table. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public ARFFTable(URL arffFileLocation, DataTableSpec tSpec, String rowKeyPrefix)
arffFileLocation
- valid URL which points to the ARFF file to readtSpec
- the structure of the table to createrowKeyPrefix
- row keys are constructed like rowKeyPrefix + lineNoMethod Detail |
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public DataTableSpec getDataTableSpec()
DataTableSpec
object of this table which gives
information about the structure of this data table.
getDataTableSpec
in interface DataTable
public RowIterator iterator()
iterator
in interface Iterable<DataRow>
iterator
in interface DataTable
DataRow
public static DataTableSpec createDataTableSpecFromARFFfile(URL fileLoc, ExecutionMonitor exec) throws IOException, InvalidSettingsException, CanceledExecutionException
fileLoc
- the location of the ARFF file to readexec
- to enable users to cancel this process
IOException
- if the file location couldn't be opened
InvalidSettingsException
- if the file contains an invalid format
CanceledExecutionException
- if user canceled
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