public void setFrameOutput(String varName, FrameBlock outputData) throws DMLRuntimeException {
FrameObject fo = getFrameObject(varName);
if (outputData.getNumColumns() > 0 && outputData.getSchema() != null)
fo.setValueType(outputData.getSchema()[0]);
fo.acquireModify(outputData);
fo.release();
setVariable(varName, fo);
}
/**
* Unpins a currently pinned frame variable.
*
* @param varName variable name
* @throws DMLRuntimeException if DMLRuntimeException occurs
*/
public void releaseFrameInput(String varName) throws DMLRuntimeException {
FrameObject fo = getFrameObject(varName);
fo.release();
}
/**
* Pins a frame variable into memory and returns the internal frame block.
*
* @param varName variable name
* @return frame block
* @throws DMLRuntimeException if DMLRuntimeException occurs
*/
public FrameBlock getFrameInput(String varName) throws DMLRuntimeException {
FrameObject fo = getFrameObject(varName);
return fo.acquireRead();
}