/**
* Checks that the job can be run against the table's layout. Throws an exception if not.
*
* @param tableLayout The layout of the table the job will use as input.
* @throws IOException If the job cannot be run over the input table because the layout is
* incompatible.
*/
protected void validateAgainstTableLayout(KijiTableLayout tableLayout) throws IOException {
// Validate the data request.
KijiDataRequest dataRequest = getDataRequest();
KijiDataRequestValidator validator = new KijiDataRequestValidator(dataRequest);
try {
validator.validate(tableLayout);
} catch (InvalidLayoutException e) {
throw new InternalKijiError(
"Invalid table layout found while configuring a job: "
+ tableLayout.toString()
+ " [Error: "
+ e.getMessage()
+ "]");
} catch (KijiDataRequestException e) {
throw new JobConfigurationException("Invalid data request: " + e.getMessage());
}
}
/** {@inheritDoc} */
@Override
protected void validateAgainstTableLayout(KijiTableLayout tableLayout) throws IOException {
super.validateAgainstTableLayout(tableLayout);
// Validate the output column the producer will write to (make sure it exists).
try {
KijiProducers.validateOutputColumn(mProducer, tableLayout);
} catch (InvalidLayoutException e) {
throw new InternalKijiError(
"Invalid table layout found while configuring a job: "
+ tableLayout.toString()
+ " [Error: "
+ e.getMessage()
+ "]");
} catch (KijiProducerOutputException e) {
throw new JobConfigurationException(
"Producer is configured to write a column that does not exist in the input table: "
+ e.getMessage());
}
}
