public void trickleUp(int index) {
// TODO Auto-generated method stub
int parent = (index - 1) / 2;
Node bottom = heapArray[index];
while (index > 0 && heapArray[parent].getKey() < bottom.getKey()) {
heapArray[index] = heapArray[parent];
index = parent;
parent = (parent - 1) / 2;
}
heapArray[index] = bottom;
}
public void tickelDown(int index) {
// TODO Auto-generated method stub
int largerChildren;
Node top = heapArray[index];
while (index < currentSize / 2) {
int leftChild = 2 * index + 1;
int rightChild = leftChild + 1; // or 2*index+2;
if (rightChild < currentSize
&& heapArray[leftChild].getKey() < heapArray[rightChild].getKey()) {
largerChildren = rightChild;
} else {
largerChildren = leftChild;
}
if (top.getKey() >= heapArray[largerChildren].getKey()) {
break;
}
heapArray[index] = heapArray[largerChildren];
index = largerChildren;
}
heapArray[index] = top;
}