EDOBE XDOM PMML Manual de usuario descargar pdf (Pagina 47)

/**

* Store the column names to be referred to when

* executing. This shows how to store information for

* use in multiple chunks.

public void procSetProperties(CNKProc proc) {

m_columnNames = getNodeProperties().getSubProperties(

COLUMNS_ATTRIBUTE_TAG);

if (m_columnNames == null || m_columnNames.size() == 0){

printlnWarning(

"No columns specified. No columns will be copied.");

}

/**

* Copies the specified columns to the output. Prints an

* information message about the current chuck.

public void execute(CNKProcJavaTransform proc) {

if (m_columnNames != null) {

// Print informational message

long firstRow = proc.getChunkInputPosition(0);

printlnInformation("Copying rows " + firstRow +

" to " + (firstRow + proc.getChunkInputRows(0)));

XTMetaData inMD = getInputMetaData(0);

XTMetaData outMD = calculateOutputMetaData(0);

// Copy specified columns

int inColNum, outColNum;

int rowCount;

String colName = null;

for (int i=0; i < m_columnNames.size(); i++) {

colName = (String) m_columnNames.get(i);

inColNum = inMD.nameToOrdinal(colName);

outColNum = outMD.nameToOrdinal(colName);

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EDOBE XDOM PMML Manual de usuario Pagina 47