The FileWriterPattern pattern is used to write text data to a file.
Property name | Value |
---|---|
PATTERN_IMPL_CLASS | Class that implements the FileWriterPattern interface |
FILENAME | Complete path to the input file |
Property name | Value | Description |
---|---|---|
debug |
true or false (default is false) |
Enables detailed tracing on this batch datastream. |
EnablePerformanceMeasurement |
true or false (default is false) |
Calculates the total time spent in the batch data-streams and the processRecord method, if you are using the GenericXDBatchStep. |
EnableDetailedPerformanceMeasurement |
true or false (default is false) |
Provides a more detailed breakdown of time spent in each method of the batch data-streams. |
file.encoding |
Encoding of the file |
For example, 8859_1 |
AppendJobIdToFileName |
true or false (default is false) |
Appends the JobID to the file name before loading the file. |
public interface FileWriterPattern { /** * Invoked during step setup phase * @param props */ public void initialize(Properties props); /** * This method should write the given record * object to the bufferedwriter. * @param out * @param record * @throws IOException */ public void writeRecord(BufferedWriter out, Object record) throws IOException; /** * This method is invoked only once just after the bufferedwriter * is opened. It should be used to write any header information * @param out * @throws IOException */ public void writeHeader(BufferedWriter out) throws IOException; /** * This method can be optionally called during process step to explicity * initialize and write the header. * @param header * @throws IOException */ public void writeHeader(BufferedWriter out, Object header) throws IOException; }
<batch-data-streams> <bds> <logical-name>outputStream</logical-name> <props> <prop name="PATTERN_IMPL_CLASS" value="com.ibm.websphere.batch.samples.tests.bds.EchoWriter"/> <prop name="file.encoding" value="8859_1"/> <prop name="FILENAME" value="/opt/txlist.txt" /> <prop name="debug" value="true"/> </props> <impl-class>com.ibm.websphere.batch.devframework.datastreams.patterns.TextFileWriter</impl-class> </bds> </batch-data-streams>