/////////////////////////////////////////////////////////////////////////////// // Copyright (c) 2001, Eric D. Friedman All Rights Reserved. // Copyright (c) 2009, Rob Eden All Rights Reserved. // Copyright (c) 2009, Jeff Randall All Rights Reserved. // Copyright (c) 2011, Johan Parent All Rights Reserved. // // This library is free software; you can redistribute it and/or // modify it under the terms of the GNU Lesser General Public // License as published by the Free Software Foundation; either // version 2.1 of the License, or (at your option) any later version. // // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU Lesser General Public // License along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. /////////////////////////////////////////////////////////////////////////////// package gnu.trove.list.linked; import gnu.trove.function.TShortFunction; import gnu.trove.list.TShortList; import gnu.trove.procedure.TShortProcedure; import gnu.trove.iterator.TShortIterator; import gnu.trove.TShortCollection; import gnu.trove.impl.*; import java.io.Externalizable; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectOutput; import java.util.*; ////////////////////////////////////////////////// // THIS IS A GENERATED CLASS. DO NOT HAND EDIT! // ////////////////////////////////////////////////// /** * A resizable, double linked list of short primitives. */ public class TShortLinkedList implements TShortList, Externalizable { short no_entry_value; int size; TShortLink head = null; TShortLink tail = head; public TShortLinkedList() { } public TShortLinkedList(short no_entry_value) { this.no_entry_value = no_entry_value; } public TShortLinkedList(TShortList list) { no_entry_value = list.getNoEntryValue(); // for (TShortIterator iterator = list.iterator(); iterator.hasNext();) { short next = iterator.next(); add(next); } } /** {@inheritDoc} */ public short getNoEntryValue() { return no_entry_value; } /** {@inheritDoc} */ public int size() { return size; } /** {@inheritDoc} */ public boolean isEmpty() { return size() == 0; } /** {@inheritDoc} */ public boolean add(short val) { TShortLink l = new TShortLink(val); if (no(head)) { head = l; tail = l; } else { l.setPrevious(tail); tail.setNext(l); // tail = l; } size++; return true; } /** {@inheritDoc} */ public void add(short[] vals) { for (short val : vals) { add(val); } } /** {@inheritDoc} */ public void add(short[] vals, int offset, int length) { for (int i = 0; i < length; i++) { short val = vals[offset + i]; add(val); } } /** {@inheritDoc} */ public void insert(int offset, short value) { TShortLinkedList tmp = new TShortLinkedList(); tmp.add(value); insert(offset, tmp); } /** {@inheritDoc} */ public void insert(int offset, short[] values) { insert(offset, link(values, 0, values.length)); } /** {@inheritDoc} */ public void insert(int offset, short[] values, int valOffset, int len) { insert(offset, link(values, valOffset, len)); } void insert(int offset, TShortLinkedList tmp) { TShortLink l = getLinkAt(offset); size = size + tmp.size; // if (l == head) { // Add in front tmp.tail.setNext(head); head.setPrevious(tmp.tail); head = tmp.head; return; } if (no(l)) { if (size == 0) { // New empty list head = tmp.head; tail = tmp.tail; } else { // append tail.setNext(tmp.head); tmp.head.setPrevious(tail); tail = tmp.tail; } } else { TShortLink prev = l.getPrevious(); l.getPrevious().setNext(tmp.head); // Link by behind tmp tmp.tail.setNext(l); l.setPrevious(tmp.tail); tmp.head.setPrevious(prev); } } static TShortLinkedList link(short[] values, int valOffset, int len) { TShortLinkedList ret = new TShortLinkedList(); for (int i = 0; i < len; i++) { ret.add(values[valOffset + i]); } return ret; } /** {@inheritDoc} */ public short get(int offset) { if (offset > size) throw new IndexOutOfBoundsException("index " + offset + " exceeds size " + size); TShortLink l = getLinkAt(offset); // if (no(l)) return no_entry_value; return l.getValue(); } /** * Returns the link at the given offset. * <p/> * A simple bisection criteria is used to keep the worst case complexity equal to * O(n/2) where n = size(). Simply start from head of list or tail depending on offset * and list size. * * @param offset of the link * @return link or null if non-existent */ public TShortLink getLinkAt(int offset) { if (offset >= size()) return null; if (offset <= (size() >>> 1)) return getLink(head, 0, offset, true); else return getLink(tail, size() - 1, offset, false); } /** * Returns the link at absolute offset starting from given the initial link 'l' at index 'idx' * * @param l * @param idx * @param offset * @return */ private static TShortLink getLink(TShortLink l, int idx, int offset) { return getLink(l, idx, offset, true); } /** * Returns link at given absolute offset starting from link 'l' at index 'idx' * @param l * @param idx * @param offset * @param next * @return */ private static TShortLink getLink(TShortLink l, int idx, int offset, boolean next) { int i = idx; // while (got(l)) { if (i == offset) { return l; } i = i + (next ? 1 : -1); l = next ? l.getNext() : l.getPrevious(); } return null; } /** {@inheritDoc} */ public short set(int offset, short val) { if (offset > size) throw new IndexOutOfBoundsException("index " + offset + " exceeds size " + size); TShortLink l = getLinkAt(offset); // if (no(l)) throw new IndexOutOfBoundsException("at offset " + offset); short prev = l.getValue(); l.setValue(val); return prev; } /** {@inheritDoc} */ public void set(int offset, short[] values) { set(offset, values, 0, values.length); } /** {@inheritDoc} */ public void set(int offset, short[] values, int valOffset, int length) { for (int i = 0; i < length; i++) { short value = values[valOffset + i]; set(offset + i, value); } } /** {@inheritDoc} */ public short replace(int offset, short val) { return set(offset, val); } /** {@inheritDoc} */ public void clear() { size = 0; // head = null; tail = null; } /** {@inheritDoc} */ public boolean remove(short value) { boolean changed = false; for (TShortLink l = head; got(l); l = l.getNext()) { // if (l.getValue() == value) { changed = true; // removeLink(l); } } return changed; } /** * unlinks the give TShortLink from the list * * @param l */ private void removeLink(TShortLink l) { if (no(l)) return; size--; TShortLink prev = l.getPrevious(); TShortLink next = l.getNext(); if (got(prev)) { prev.setNext(next); } else { // No previous we must be head head = next; } if (got(next)) { next.setPrevious(prev); } else { // No next so me must be tail tail = prev; } // Unlink l.setNext(null); l.setPrevious(null); } /** {@inheritDoc} */ public boolean containsAll(Collection<?> collection) { if (isEmpty()) return false; for (Object o : collection) { if (o instanceof Short) { Short i = (Short) o; if (!(contains(i))) return false; } else { return false; } } return true; } /** {@inheritDoc} */ public boolean containsAll(TShortCollection collection) { if (isEmpty()) return false; for (TShortIterator it = collection.iterator(); it.hasNext();) { short i = it.next(); if (!(contains(i))) return false; } return true; } /** {@inheritDoc} */ public boolean containsAll(short[] array) { if (isEmpty()) return false; for (short i : array) { if (!contains(i)) return false; } return true; } /** {@inheritDoc} */ public boolean addAll(Collection<? extends Short> collection) { boolean ret = false; for (Short v : collection) { if (add(v.shortValue())) ret = true; } return ret; } /** {@inheritDoc} */ public boolean addAll(TShortCollection collection) { boolean ret = false; for (TShortIterator it = collection.iterator(); it.hasNext();) { short i = it.next(); if (add(i)) ret = true; } return ret; } /** {@inheritDoc} */ public boolean addAll(short[] array) { boolean ret = false; for (short i : array) { if (add(i)) ret = true; } return ret; } /** {@inheritDoc} */ public boolean retainAll(Collection<?> collection) { boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (!collection.contains(Short.valueOf(iter.next()))) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public boolean retainAll(TShortCollection collection) { boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (!collection.contains(iter.next())) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public boolean retainAll(short[] array) { Arrays.sort(array); boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (Arrays.binarySearch(array, iter.next()) < 0) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public boolean removeAll(Collection<?> collection) { boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (collection.contains(Short.valueOf(iter.next()))) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public boolean removeAll(TShortCollection collection) { boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (collection.contains(iter.next())) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public boolean removeAll(short[] array) { Arrays.sort(array); boolean modified = false; TShortIterator iter = iterator(); while (iter.hasNext()) { if (Arrays.binarySearch(array, iter.next()) >= 0) { iter.remove(); modified = true; } } return modified; } /** {@inheritDoc} */ public short removeAt(int offset) { TShortLink l = getLinkAt(offset); if (no(l)) throw new ArrayIndexOutOfBoundsException("no elemenet at " + offset); short prev = l.getValue(); removeLink(l); return prev; } /** {@inheritDoc} */ public void remove(int offset, int length) { for (int i = 0; i < length; i++) { removeAt(offset); // since the list shrinks we don't need to use offset+i to get the next entry ;) } } /** {@inheritDoc} */ public void transformValues(TShortFunction function) { for (TShortLink l = head; got(l);) { // l.setValue(function.execute(l.getValue())); // l = l.getNext(); } } /** {@inheritDoc} */ public void reverse() { TShortLink h = head; TShortLink t = tail; TShortLink prev, next, tmp; // TShortLink l = head; while (got(l)) { next = l.getNext(); prev = l.getPrevious(); // tmp = l; l = l.getNext(); // tmp.setNext(prev); tmp.setPrevious(next); } // head = t; tail = h; } /** {@inheritDoc} */ public void reverse(int from, int to) { if (from > to) throw new IllegalArgumentException("from > to : " + from + ">" + to); TShortLink start = getLinkAt(from); TShortLink stop = getLinkAt(to); TShortLink prev, next; TShortLink tmp = null; TShortLink tmpHead = start.getPrevious(); // TShortLink l = start; while (l != stop) { next = l.getNext(); prev = l.getPrevious(); // tmp = l; l = l.getNext(); // tmp.setNext(prev); tmp.setPrevious(next); } // At this point l == stop and tmp is the but last element { if (got(tmp)) { tmpHead.setNext(tmp); stop.setPrevious(tmpHead); } start.setNext(stop); stop.setPrevious(start); } /** {@inheritDoc} */ public void shuffle(Random rand) { for (int i = 0; i < size; i++) { TShortLink l = getLinkAt(rand.nextInt(size())); removeLink(l); add(l.getValue()); } } /** {@inheritDoc} */ public TShortList subList(int begin, int end) { if (end < begin) { throw new IllegalArgumentException("begin index " + begin + " greater than end index " + end); } if (size < begin) { throw new IllegalArgumentException("begin index " + begin + " greater than last index " + size); } if (begin < 0) { throw new IndexOutOfBoundsException("begin index can not be < 0"); } if (end > size) { throw new IndexOutOfBoundsException("end index < " + size); } TShortLinkedList ret = new TShortLinkedList(); TShortLink tmp = getLinkAt(begin); for (int i = begin; i < end; i++) { ret.add(tmp.getValue()); // copy tmp = tmp.getNext(); } return ret; } /** {@inheritDoc} */ public short[] toArray() { return toArray(new short[size], 0, size); } /** {@inheritDoc} */ public short[] toArray(int offset, int len) { return toArray(new short[len], offset, 0, len); } /** {@inheritDoc} */ public short[] toArray(short[] dest) { return toArray(dest, 0, size); } /** {@inheritDoc} */ public short[] toArray(short[] dest, int offset, int len) { return toArray(dest, offset, 0, len); } /** {@inheritDoc} */ public short[] toArray(short[] dest, int source_pos, int dest_pos, int len) { if (len == 0) { return dest; // nothing to copy } if (source_pos < 0 || source_pos >= size()) { throw new ArrayIndexOutOfBoundsException(source_pos); } TShortLink tmp = getLinkAt(source_pos); for (int i = 0; i < len; i++) { dest[dest_pos + i] = tmp.getValue(); // copy tmp = tmp.getNext(); } return dest; } /** {@inheritDoc} */ public boolean forEach(TShortProcedure procedure) { for (TShortLink l = head; got(l); l = l.getNext()) { if (!procedure.execute(l.getValue())) return false; } return true; } /** {@inheritDoc} */ public boolean forEachDescending(TShortProcedure procedure) { for (TShortLink l = tail; got(l); l = l.getPrevious()) { if (!procedure.execute(l.getValue())) return false; } return true; } /** {@inheritDoc} */ public void sort() { sort(0, size); } /** {@inheritDoc} */ public void sort(int fromIndex, int toIndex) { TShortList tmp = subList(fromIndex, toIndex); short[] vals = tmp.toArray(); Arrays.sort(vals); set(fromIndex, vals); } /** {@inheritDoc} */ public void fill(short val) { fill(0, size, val); } /** {@inheritDoc} */ public void fill(int fromIndex, int toIndex, short val) { if (fromIndex < 0) { throw new IndexOutOfBoundsException("begin index can not be < 0"); } TShortLink l = getLinkAt(fromIndex); if (toIndex > size) { for (int i = fromIndex; i < size; i++) { l.setValue(val); l = l.getNext(); } for (int i = size; i < toIndex; i++) { add(val); } } else { for (int i = fromIndex; i < toIndex; i++) { l.setValue(val); l = l.getNext(); } } } /** {@inheritDoc} */ public int binarySearch(short value) { return binarySearch(value, 0, size()); } /** {@inheritDoc} */ public int binarySearch(short value, int fromIndex, int toIndex) { if (fromIndex < 0) { throw new IndexOutOfBoundsException("begin index can not be < 0"); } if (toIndex > size) { throw new IndexOutOfBoundsException("end index > size: " + toIndex + " > " + size); } if (toIndex < fromIndex) { return -(fromIndex+1); } TShortLink middle; int mid; int from = fromIndex; TShortLink fromLink = getLinkAt(fromIndex); int to = toIndex; while (from < to) { mid = (from + to) >>> 1; middle = getLink(fromLink, from, mid); if (middle.getValue() == value) return mid; if (middle.getValue() < value) { from = mid + 1; fromLink = middle.next; } else { to = mid - 1; } } return -(from + 1); } /** {@inheritDoc} */ public int indexOf(short value) { return indexOf(0, value); } /** {@inheritDoc} */ public int indexOf(int offset, short value) { int count = offset; for (TShortLink l = getLinkAt(offset); got(l.getNext()); l = l.getNext()) { if (l.getValue() == value) return count; count++; } return -1; } /** {@inheritDoc} */ public int lastIndexOf(short value) { return lastIndexOf(0, value); } /** {@inheritDoc} */ public int lastIndexOf(int offset, short value) { if (isEmpty()) return -1; int last = -1; int count = offset; for (TShortLink l = getLinkAt(offset); got(l.getNext()); l = l.getNext()) { if (l.getValue() == value) last = count; count++; } return last; } /** {@inheritDoc} */ public boolean contains(short value) { if (isEmpty()) return false; for (TShortLink l = head; got(l); l = l.getNext()) { if (l.getValue() == value) return true; } return false; } /** {@inheritDoc} */ public TShortIterator iterator() { return new TShortIterator() { TShortLink l = head; TShortLink current; public short next() { if (no(l)) throw new NoSuchElementException(); short ret = l.getValue(); current = l; l = l.getNext(); return ret; } public boolean hasNext() { return got(l); } public void remove() { if (current == null) throw new IllegalStateException(); removeLink(current); current = null; } }; } /** {@inheritDoc} */ public TShortList grep(TShortProcedure condition) { TShortList ret = new TShortLinkedList(); for (TShortLink l = head; got(l); l = l.getNext()) { if (condition.execute(l.getValue())) ret.add(l.getValue()); } return ret; } /** {@inheritDoc} */ public TShortList inverseGrep(TShortProcedure condition) { TShortList ret = new TShortLinkedList(); for (TShortLink l = head; got(l); l = l.getNext()) { if (!condition.execute(l.getValue())) ret.add(l.getValue()); } return ret; } /** {@inheritDoc} */ public short max() { short ret = Short.MIN_VALUE; if (isEmpty()) throw new IllegalStateException(); for (TShortLink l = head; got(l); l = l.getNext()) { if (ret < l.getValue()) ret = l.getValue(); } return ret; } /** {@inheritDoc} */ public short min() { short ret = Short.MAX_VALUE; if (isEmpty()) throw new IllegalStateException(); for (TShortLink l = head; got(l); l = l.getNext()) { if (ret > l.getValue()) ret = l.getValue(); } return ret; } /** {@inheritDoc} */ public short sum() { short sum = 0; for (TShortLink l = head; got(l); l = l.getNext()) { sum += l.getValue(); } return sum; } // // // static class TShortLink { short value; TShortLink previous; TShortLink next; TShortLink(short value) { this.value = value; } public short getValue() { return value; } public void setValue(short value) { this.value = value; } public TShortLink getPrevious() { return previous; } public void setPrevious(TShortLink previous) { this.previous = previous; } public TShortLink getNext() { return next; } public void setNext(TShortLink next) { this.next = next; } } class RemoveProcedure implements TShortProcedure { boolean changed = false; /** * Executes this procedure. A false return value indicates that * the application executing this procedure should not invoke this * procedure again. * * @param value a value of type <code>int</code> * @return true if additional invocations of the procedure are * allowed. */ public boolean execute(short value) { if (remove(value)) changed = true; return true; } public boolean isChanged() { return changed; } } /** {@inheritDoc} */ public void writeExternal(ObjectOutput out) throws IOException { // VERSION out.writeByte(0); // NO_ENTRY_VALUE out.writeShort(no_entry_value); // ENTRIES out.writeInt(size); for (TShortIterator iterator = iterator(); iterator.hasNext();) { short next = iterator.next(); out.writeShort(next); } } /** {@inheritDoc} */ public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException { // VERSION in.readByte(); // NO_ENTRY_VALUE no_entry_value = in.readShort(); // ENTRIES int len = in.readInt(); for (int i = 0; i < len; i++) { add(in.readShort()); } } static boolean got(Object ref) { return ref != null; } static boolean no(Object ref) { return ref == null; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; TShortLinkedList that = (TShortLinkedList) o; if (no_entry_value != that.no_entry_value) return false; if (size != that.size) return false; TShortIterator iterator = iterator(); TShortIterator thatIterator = that.iterator(); while (iterator.hasNext()) { if (!thatIterator.hasNext()) return false; if (iterator.next() != thatIterator.next()) return false; } return true; } @Override public int hashCode() { int result = HashFunctions.hash(no_entry_value); result = 31 * result + size; for (TShortIterator iterator = iterator(); iterator.hasNext();) { result = 31 * result + HashFunctions.hash(iterator.next()); } return result; } @Override public String toString() { final StringBuilder buf = new StringBuilder("{"); TShortIterator it = iterator(); while (it.hasNext()) { short next = it.next(); buf.append(next); if (it.hasNext()) buf.append(", "); } buf.append("}"); return buf.toString(); } } // TShortLinkedList