private Number incrValue(int dir) {
Number newValue;
if ((value instanceof Float) || (value instanceof Double)) {
double v = value.doubleValue() + (stepSize.doubleValue() * (double) dir);
if (value instanceof Double) {
newValue = new Double(v);
} else {
newValue = new Float(v);
}
} else {
long v = value.longValue() + (stepSize.longValue() * (long) dir);
if (value instanceof Long) {
newValue = new Long(v);
} else if (value instanceof Integer) {
newValue = new Integer((int) v);
} else if (value instanceof Short) {
newValue = new Short((short) v);
} else {
newValue = new Byte((byte) v);
}
}
if ((maximum != null) && (maximum.compareTo(newValue) < 0)) {
return null;
}
if ((minimum != null) && (minimum.compareTo(newValue) > 0)) {
return null;
} else {
return newValue;
}
}
/**
* Returns true if <code>value</code> is between the min/max.
*
* @param wantsCCE If false, and a ClassCastException is thrown in comparing the values, the
* exception is consumed and false is returned.
*/
boolean isValidValue(Object value, boolean wantsCCE) {
Comparable min = getMinimum();
try {
if (min != null && min.compareTo(value) > 0) {
return false;
}
} catch (ClassCastException cce) {
if (wantsCCE) {
throw cce;
}
return false;
}
Comparable max = getMaximum();
try {
if (max != null && max.compareTo(value) < 0) {
return false;
}
} catch (ClassCastException cce) {
if (wantsCCE) {
throw cce;
}
return false;
}
return true;
}
/**
* Returns a new descriptor eqiuvalent to this+D. Remember, composition is not commutative for all
* attributes, and may not exist for some. To compose, remember to call
* {@linkDescriptor#isComposable() isComposable} first and try both <code>A.compose (B)</code> and
* <code>B.compose (A)</code>.
*
* @param D The Descriptor to compose with this Descriptor.
* @param scope The attribute scope and mapping.
* @return A new Descriptor that is equivalent to the composition of this and the argument D.
* @throws BadDataException if the compose semantics are not correct.
* @throws UncomposableException this instance of the descriptor cannot be composed. Check
* isComposable!
*/
public Descriptor compose(Descriptor D, EvaluationParameters.ScopeRules scope)
throws BadDataException, UncomposableException {
DescAggregate temp = (DescAggregate) this.clone();
// Unify Descriptions and Spans
temp.span = temp.span.union(D.getFrameSpan());
if (D.getClass().equals(DescSingle.class)) {
if (idList.contains(D.getID()))
throw new BadDataException("Attempting to compose the same descriptor multiple times");
else temp.idList.add(D.getID());
} else {
// First, check to see if there are any dup ID numbers
Iterator iterA = idList.iterator();
Iterator iterB = ((TreeSet) D.getID()).iterator();
Comparable A = (Comparable) iterA.next();
Comparable B = (Comparable) iterB.next();
/// difference will be negative iff A < B, and positive iff A > B.
// I wish java had operator overloading. I really do.
double difference = A.compareTo(B);
while (iterA.hasNext() && iterB.hasNext() && (difference != 0)) {
while ((difference < 0) && (iterA.hasNext() && iterB.hasNext())) {
A = (Comparable) iterA.next();
difference = A.compareTo(B);
}
while ((difference > 0) && (iterA.hasNext() && iterB.hasNext())) {
B = (Comparable) iterB.next();
difference = A.compareTo(B);
}
}
if (difference == 0)
// If there was a dup ID num, return 0
throw new BadDataException("Attempting to compose the same descriptor multiple times");
temp.idList.addAll(((DescAggregate) D).idList);
}
// Unify Attributes
String errMsg = null;
for (Iterator iter = scope.getInScopeAttributesFor(temp); iter.hasNext(); ) {
String currAttrName = (String) iter.next();
int i = temp.getAttributeIndex(currAttrName, scope.getMap());
try {
temp.attributes[i] =
Attribute.compose(
this.span,
this.getAttribute(currAttrName, scope.getMap()),
D.span,
D.getAttribute(currAttrName, scope.getMap()));
} catch (UncomposableException ux) {
if (errMsg == null) {
errMsg = ux.getMessage();
} else {
errMsg += "\n" + ux.getMessage();
}
}
}
if (errMsg != null) System.err.println(errMsg + "\n fix your .epf");
return temp;
}
/**
* Constructs a <code>SpinnerModel</code> that represents a closed sequence of numbers from <code>
* minimum</code> to <code>maximum</code>. The <code>nextValue</code> and <code>previousValue
* </code> methods compute elements of the sequence by adding or subtracting <code>stepSize</code>
* respectively. All of the parameters must be mutually <code>Comparable</code>, <code>value
* </code> and <code>stepSize</code> must be instances of <code>Integer</code> <code>Long</code>,
* <code>Float</code>, or <code>Double</code>.
*
* <p>The <code>minimum</code> and <code>maximum</code> parameters can be <code>null</code> to
* indicate that the range doesn't have an upper or lower bound. If <code>value</code> or <code>
* stepSize</code> is <code>null</code>, or if both <code>minimum</code> and <code>maximum</code>
* are specified and <code>mininum > maximum</code> then an <code>IllegalArgumentException
* </code> is thrown. Similarly if <code>(minimum <= value <= maximum</code>) is false, an
* <code>IllegalArgumentException</code> is thrown.
*
* @param value the current (non <code>null</code>) value of the model
* @param minimum the first number in the sequence or <code>null</code>
* @param maximum the last number in the sequence or <code>null</code>
* @param stepSize the difference between elements of the sequence
* @throws IllegalArgumentException if stepSize or value is <code>null</code> or if the following
* expression is false: <code>minimum <= value <= maximum</code>
*/
public SpinnerNumberModel(Number value, Comparable minimum, Comparable maximum, Number stepSize) {
if ((value == null) || (stepSize == null)) {
throw new IllegalArgumentException("value and stepSize must be non-null");
}
if (!(((minimum == null) || (minimum.compareTo(value) <= 0))
&& ((maximum == null) || (maximum.compareTo(value) >= 0)))) {
throw new IllegalArgumentException("(minimum <= value <= maximum) is false");
}
this.value = value;
this.minimum = minimum;
this.maximum = maximum;
this.stepSize = stepSize;
}
/**
* Makes the Node node the rootNode of the SplayTree.
*
* @param node Node to be splayed
*/
public void splay(Comparable comp) {
Node left = head;
Node right = head;
Node top = rootNode;
Node temp;
head.setLeft(null);
head.setRight(null);
while (true) {
if (comp.compareTo(top.getValue()) < 0) {
if (top.getLeft() == null) // exit
break;
if (comp.compareTo(top.getLeft().getValue()) < 0) { // Rotate right
temp = top.getLeft();
top.setLeft(temp.getRight());
temp.setRight(top);
top = temp;
if (top.getLeft() == null) // exit
break;
}
right.setLeft(top); // Links the right
right = top;
top = top.getLeft();
} else if (comp.compareTo(top.getValue()) > 0) {
if (top.getRight() == null) // exit
break;
if (comp.compareTo(top.getRight().getValue()) > 0) { // Rotate left
temp = top.getRight();
top.setRight(temp.getLeft());
temp.setLeft(top);
top = temp;
if (top.getRight() == null) // exit
break;
}
left.setRight(top); // Links the left
left = top;
top = top.getRight();
} else break; // exit
}
left.setRight(top.getLeft());
right.setLeft(top.getRight());
top.setLeft(head.getRight());
top.setRight(head.getLeft());
rootNode = top;
}
/**
* Inserts a node into the SplayTree, then splays around that node.
*
* @param comp Comparable value of new node being added
*/
public void insert(Comparable comp) {
Node node = new Node(comp);
if (rootNode == null && size == 0) {
rootNode = node;
return;
}
splay(comp);
int temp = comp.compareTo(rootNode.getValue());
if (temp == 0) // Double checks for duplicates
return;
if (temp < 0) {
node.setLeft(rootNode.getLeft());
node.setRight(rootNode);
rootNode.setLeft(null);
} else {
node.setRight(rootNode.getRight());
node.setLeft(rootNode);
rootNode.setRight(null);
}
rootNode = node;
size++;
}
public int compare(Object p1, Object p2) {
Row r1 = (Row) p1;
Row r2 = (Row) p2;
Comparable val1 = (Comparable) r1.get(mFieldName);
Comparable val2 = (Comparable) r2.get(mFieldName);
return val1.compareTo(val2);
}
public Object getPreviousValue() {
Calendar cal = Calendar.getInstance();
cal.setTime(value.getTime());
cal.add(calendarField, -1);
Date prev = cal.getTime();
return ((start == null) || (start.compareTo(prev) <= 0)) ? prev : null;
}
public Object getNextValue() {
Calendar cal = Calendar.getInstance();
cal.setTime(value.getTime());
cal.add(calendarField, 1);
Date next = cal.getTime();
return ((end == null) || (end.compareTo(next) >= 0)) ? next : null;
}
public boolean remove(Comparable info) {
Node parent = null;
Node current = root;
while (current != null) {
int cmp = info.compareTo(current.info);
if (cmp < 0) {
parent = current;
current = current.left;
} else if (cmp > 0) {
parent = current;
current = current.right;
} else {
break;
}
}
if (current == null) return false;
Node change = removeNode(current);
if (parent == null) {
root = change;
} else if (parent.left == current) {
parent.left = change;
} else {
parent.right = change;
}
return true;
}
private boolean compare_Comparable(int operation, Comparable value1, Object value2) {
if (operation == SUBSTRING) {
return false;
}
Constructor constructor;
try {
constructor = value1.getClass().getConstructor(constructorType);
} catch (NoSuchMethodException e) {
return false;
}
try {
if (!constructor.isAccessible())
AccessController.doPrivileged(new SetAccessibleAction(constructor));
value2 = constructor.newInstance(new Object[] {((String) value2).trim()});
} catch (IllegalAccessException e) {
return false;
} catch (InvocationTargetException e) {
return false;
} catch (InstantiationException e) {
return false;
}
switch (operation) {
case APPROX:
case EQUAL:
{
return value1.compareTo(value2) == 0;
}
case GREATER:
{
return value1.compareTo(value2) >= 0;
}
case LESS:
{
return value1.compareTo(value2) <= 0;
}
}
return false;
}
/**
* Removes the node with the value comp.
*
* @param comp Comparable being removed
*/
public void remove(Comparable comp) {
splay(comp);
if (comp.compareTo(rootNode.getValue()) != 0) // Node not found
return;
if (rootNode.getLeft() == null) rootNode = rootNode.getRight();
else {
Node node = rootNode.getRight();
rootNode = rootNode.getLeft();
splay(comp);
rootNode.setRight(node);
}
size--;
}
public static void verifyElementOrder(
Iterator<? extends Element> elements, String key, Order order, int expectedCount) {
Comparable previous = null;
int count = 0;
while (elements.hasNext()) {
Element element = elements.next();
Comparable current = element.value(key);
if (previous != null) {
int cmp = previous.compareTo(current);
assertTrue(
previous + " <> " + current + " @ " + count, order == Order.ASC ? cmp <= 0 : cmp >= 0);
}
previous = current;
count++;
}
assertEquals(expectedCount, count);
}
public Object aggregate(Class key, List<? extends CoreMap> in) {
if (in == null) return null;
Comparable max = null;
for (CoreMap cm : in) {
Object obj = cm.get(key);
if (obj != null) {
if (obj instanceof Comparable) {
Comparable c = (Comparable) obj;
if (max == null) {
max = c;
} else if (c.compareTo(max) > 0) {
max = c;
}
} else {
throw new RuntimeException(
"Cannot get max of attribute " + key + ", object of type: " + obj.getClass());
}
}
}
return max;
}
/**
* Method compareTo compares this Tuple to the given Tuple instance.
*
* @param other of type Tuple
* @return int
*/
public int compareTo(Tuple other) {
if (other == null || other.elements == null) return 1;
if (other.elements.size() != this.elements.size())
return this.elements.size() - other.elements.size();
for (int i = 0; i < this.elements.size(); i++) {
Comparable lhs = this.elements.get(i);
Comparable rhs = other.elements.get(i);
if (lhs == null && rhs == null) continue;
if (lhs == null && rhs != null) return -1;
else if (lhs != null && rhs == null) return 1;
int c = lhs.compareTo(rhs); // guaranteed to not be null
if (c != 0) return c;
}
return 0;
}
/**
* Merges the given peer info with the local info. A newer contribution of the same contributor
* replaces the older one. Otherwise no elements are removed by this method, ie the cache and
* commands are not truncated.
*/
private synchronized void merge(Collective peer) {
synchronized (cache) {
Iterator i = peer.cache.values().iterator();
while (i.hasNext()) {
ContributionBox cb = (ContributionBox) i.next();
ContributionBox x = (ContributionBox) cache.get(cb.contributor.name);
if (x == null || x.timeStamp < cb.timeStamp) {
cache.put(cb.contributor.name, cb);
}
}
}
synchronized (commands) {
Iterator i = peer.commands.entrySet().iterator();
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
Comparable time = (Comparable) commands.get(e.getKey());
if (time == null || time.compareTo(e.getValue()) < 0) {
commands.put(e.getKey(), e.getValue());
}
}
}
cutToSize();
}
public boolean less(Comparable a, Comparable b) {
return (a.compareTo(b) < 0);
}