How to use

getChildren

method

in

org.apache.taverna.workflowmodel.processor.iteration.CrossProduct

  @Override
  public int getIterationDepth(Map<String, Integer> inputDepths)
      throws IterationTypeMismatchException {
    if (isLeaf())
      // No children!
      throw new IterationTypeMismatchException(
          "Cross product with no children");
    int temp = 0;
    for (IterationStrategyNode child : getChildren())
      temp += child.getIterationDepth(inputDepths);
    return temp;
  }
}

@Test
public void addCrossProductMany() {
  crossProduct1.insert(dotProduct1);
  crossProduct1.insert(dotProduct2);
  crossProduct1.insert(input1);
  crossProduct1.insert(input2);
  crossProduct1.insert(crossProduct2);
  assertEquals(5, crossProduct1.getChildCount());
  assertEquals(Arrays.asList(dotProduct1, dotProduct2, input1, input2,
      crossProduct2), crossProduct1.getChildren());
  Enumeration<IterationStrategyNode> enumeration = crossProduct1
      .children();
  assertTrue(enumeration.hasMoreElements());
  assertEquals(dotProduct1, enumeration.nextElement());
  assertEquals(dotProduct2, enumeration.nextElement());
  assertEquals(input1, enumeration.nextElement());
  assertEquals(input2, enumeration.nextElement());
  assertEquals(crossProduct2, enumeration.nextElement());
  assertFalse(enumeration.hasMoreElements());
}

@Test
public void addCrossProduct() throws Exception {
  assertNull(crossProduct1.getParent());
  crossProduct1.setParent(root);
  assertEquals(root, crossProduct1.getParent());
  assertEquals(1, root.getChildCount());
  assertEquals(crossProduct1, root.getChildAt(0));
  assertEquals(Arrays.asList(crossProduct1), root.getChildren());
  assertEquals(0, crossProduct1.getChildCount());
  crossProduct1.insert(input1);
  assertEquals(input1, crossProduct1.getChildAt(0));
  crossProduct1.insert(input2, 0);
  assertEquals(input2, crossProduct1.getChildAt(0));
  assertEquals(input1, crossProduct1.getChildAt(1));
  assertEquals(2, crossProduct1.getChildCount());
  assertEquals(Arrays.asList(input2, input1), crossProduct1.getChildren());
  // A re-insert should move it
  crossProduct1.insert(input2, 2);
  assertEquals(2, crossProduct1.getChildCount());
  assertEquals(Arrays.asList(input1, input2), crossProduct1.getChildren());
  crossProduct1.insert(input2, 0);
  assertEquals(Arrays.asList(input2, input1), crossProduct1.getChildren());
  crossProduct1.insert(input1, 1);
  assertEquals(Arrays.asList(input2, input1), crossProduct1.getChildren());
}

@Test
public void moveNodeToDifferentParent() {
  crossProduct1.setParent(root);
  crossProduct1.insert(input1);
  crossProduct1.insert(dotProduct1);
  dotProduct1.insert(input2);
  dotProduct1.insert(crossProduct2);
  // Check tree
  assertEquals(crossProduct2, root.getChildAt(0).getChildAt(1)
      .getChildAt(1));
  assertEquals(Arrays.asList(input2, crossProduct2), dotProduct1
      .getChildren());
  crossProduct1.insert(crossProduct2, 1);
  assertEquals(Arrays.asList(input1, crossProduct2, dotProduct1),
      crossProduct1.getChildren());
  assertEquals(crossProduct1, crossProduct2.getParent());
  // Should no longer be in dotProduct1
  assertEquals(Arrays.asList(input2), dotProduct1.getChildren());
}