/**
* Returns a clone of this list. Since this is a primitive collection, this will be a deep clone.
*
* @return a deep clone of the list.
*/
public Object clone() {
LongSequence list = null;
try {
list = (LongSequence) super.clone();
list.data = toNativeArray();
} catch (CloneNotSupportedException e) {
// it's supported
} // end get try-catch
return list;
}
/**
* Returns a sublist of this list.
*
* @param begin low endpoint (inclusive) of the subList.
* @param end high endpoint (exclusive) of the subList.
* @return sublist of this list from begin, inclusive to end, exclusive.
* @throws IndexOutOfBoundsException - endpoint out of range
* @throws IllegalArgumentException - endpoints out of order (end > begin)
*/
public LongSequence subList(int begin, int end) {
if (end < begin)
throw new IllegalArgumentException("end index " + end + " greater than begin index " + begin);
if (begin < 0) throw new IndexOutOfBoundsException("begin index can not be < 0");
if (end > data.length) throw new IndexOutOfBoundsException("end index < " + data.length);
LongSequence list = new LongSequence(end - begin);
for (int i = begin; i < end; i++) {
list.add(data[i]);
}
return list;
}
/**
* Compares this list to another list, value by value.
*
* @param other the object to compare against
* @return true if other is a LongArrayList and has exactly the same values.
*/
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof LongSequence) {
LongSequence that = (LongSequence) other;
if (that.size() != this.size()) {
return false;
} else {
for (int i = pos; i-- > 0; ) {
if (this.data[i] != that.data[i]) {
return false;
}
}
return true;
}
} else {
return false;
}
}
public static LongSequence from(long... array) {
LongSequence seq = new LongSequence(0);
seq.data = array;
seq.pos = array.length;
return seq;
}
