Different versions of AbstractExampleTable

maalvarez

Hi,

I am developing an operator and I need to do a copy of an ExampleSet.
My code is below:

public static ExampleSet getSubSet(ExampleSet original, String cad) {
		MemoryExampleTable table = MemoryExampleTable.createCompleteCopy(original.getExampleTable());
		List<Attribute> attributes = Lists.newArrayList(table.getAttributes());
		AttributeSet set = new AttributeSet(attributes, new HashMap<String, Attribute>());
		Attribute label = original.getAttributes().getLabel();

		if(!cad.equals("")) {
			DataRow dr = null;
			int value = label.getMapping().getIndex(cad);
			int i = 0;

			while(i < table.size()) {
				dr = table.getDataRow(i);

				if(dr.get(label) == value) {
					table.removeDataRow(i);
				}
				else {
					i++;
				}
			}
		}

		ExampleSet copy = table.createExampleSet(set);
		copy.getAttributes().setLabel(label);

		return copy;
	}

when "original" is the original ExampleSet. Also, I don't want to delete the examples that contains the label "cad" in case of it is the empty string .
In summary, this method returns a subset of an ExampleSet.

The problem is that method calls "createCompleteCopy" method from MemoryExampleTable and it returns an error.
I have found the error from the next trace:

getSubSet --> createCompleteCopy
	|
	|
	-> MemoryExampleTable(List<Attribute> attributes) [Constructor]
		|
		|
		-> AbstractExampleTable(List<Attribute> attributes) [Constructor] --> addAttributes --> addAttribute

The version of the repository method "addAttribute" is different from installed version... Why?

PS: can anyone say me another way to get a subset of an ExampleSet?

Thanks.