/** This implementation simply deletes each tuple it is handed. */
public void process(Tuple tuple) throws IOException {
// Make a copy of this, because once we delete the tuple, we can't
// use the "tuple" variable anymore!
TupleLiteral oldTuple = new TupleLiteral(tuple);
eventDispatch.fireBeforeRowDeleted(tblFileInfo, tuple);
tableMgr.deleteTuple(tblFileInfo, tuple);
eventDispatch.fireAfterRowDeleted(tblFileInfo, oldTuple);
}
/**
* Initialize the tuple-remover object with the details it needs to delete tuples from the
* specified table.
*
* @param tblFileInfo details of the table that will be modified
*/
public TupleRemover(TableFileInfo tblFileInfo) {
this.tblFileInfo = tblFileInfo;
this.tableMgr = tblFileInfo.getTableManager();
this.eventDispatch = EventDispatcher.getInstance();
}