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package org.etlunit;

import org.etlunit.parser.ETLTestClass;
import org.etlunit.parser.ETLTestMethod;

import java.util.*;

public class TestClasses
{
	private final List classes = new ArrayList();
	private int testCount = 0;

	public void addTestClassWithMethods(ETLTestClass cl, List methods)
	{
		TestClassReference tcr = new TestClassReference(cl, methods);

		addReference(tcr);
	}

	private void addReference(TestClassReference tcr)
	{
		Iterator it = classes.iterator();

		while (it.hasNext())
		{
			TestClassReference tcr2 = it.next();

			if (tcr2.getTestClass().getName().equals(tcr.getTestClass().getName()))
			{
				throw new IllegalStateException("Test class named more than once: " + tcr.getTestClass().getName());
			}
		}

		classes.add(tcr);

		testCount += tcr.getTestMethods().size();
	}

	public int getTestCount()
	{
		return testCount;
	}

	public void addTestClass(ETLTestClass cl)
	{
		TestClassReference tcr = new TestClassReference(cl);

		addReference(tcr);
	}

	public List getTestClassReferences()
	{
		return classes;
	}

	public void sortForTesting()
	{
		Collections.sort(classes, new Comparator()
		{
			@Override
			public int compare(TestClassReference o1, TestClassReference o2)
			{
				String methodName1 = o1.getTestClass().getName();
				String methodName2 = o2.getTestClass().getName();

				return methodName1.compareTo(methodName2);
			}
		});
	}
}