@Override
public void sinkPrepare(
FlowProcess<? extends Properties> flowProcess, SinkCall<PrintWriter, OutputStream> sinkCall) {
sinkCall.setContext(createOutput(sinkCall.getOutput()));
if (writeHeader) {
Fields fields = sinkCall.getOutgoingEntry().getFields();
delimitedParser.joinFirstLine(fields, sinkCall.getContext());
sinkCall.getContext().println();
}
}
@Override
public void sinkCleanup(
FlowProcess<? extends Properties> flowProcess, SinkCall<PrintWriter, OutputStream> sinkCall) {
sinkCall.getContext().flush();
sinkCall.setContext(null);
}