-Added: Custom HashSet (Normal, Linked)
-Added: ArraySet
-Fixed: A bug in AbstractList.SubList
This commit is contained in:
Speiger 2020-12-13 23:41:09 +01:00
parent 16efec5ca4
commit c8fc84bf88
8 changed files with 1541 additions and 8 deletions

View File

@ -73,13 +73,16 @@ public class GlobalVariables
//Final Classes
addClassMapper("ARRAY_LIST", "ArrayList");
addClassMapper("LINKED_CUSTOM_HASH_SET", "LinkedOpenCustomHashSet");
addClassMapper("LINKED_HASH_SET", "LinkedOpenHashSet");
addClassMapper("CUSTOM_HASH_SET", "OpenCustomHashSet");
addClassMapper("HASH_SET", "OpenHashSet");
addClassMapper("ARRAY_SET", "ArraySet");
//Abstract Classes
addClassMapper("ABSTRACT_COLLECTION", "AbstractCollection");
addClassMapper("ABSTRACT_SET", "AbstractSet");
addClassMapper("ABSTRACT_LIST", "AbstractList");
addAbstractMapper("ABSTRACT_COLLECTION", "Abstract%sCollection");
addAbstractMapper("ABSTRACT_SET", "Abstract%sSet");
addAbstractMapper("ABSTRACT_LIST", "Abstract%sList");
addClassMapper("SUB_LIST", "SubList");
//Helper Classes
@ -94,9 +97,11 @@ public class GlobalVariables
addClassMapper("ITERATOR", "Iterator");
addClassMapper("ITERABLE", "Iterable");
addClassMapper("COLLECTION", "Collection");
addClassMapper("LIST_ITER", "ListIter");
addClassMapper("LIST", "List");
addClassMapper("SORTED_SET", "SortedSet");
addClassMapper("SET", "Set");
addClassMapper("STRATEGY", "Strategy");
addClassMapper("STACK", "Stack");
if(type.isObject())
{
@ -111,7 +116,6 @@ public class GlobalVariables
addFunctionMappers("IARRAY", "I%sArray");
}
//Dependency
addClassMapper("LIST_ITER", "ListIter");
return this;
}
@ -169,6 +173,11 @@ public class GlobalVariables
operators.add(new SimpleMapper(pattern, type.getFileType()+replacement));
}
private void addAbstractMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, String.format(replacement, type.getFileType())));
}
private void addFunctionMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, replacement+type.getNonFileType()));

View File

@ -53,6 +53,9 @@ public class TestBuilder extends TemplateProcessor
varibles.add(type);
}
nameRemapper.put("IArray", "I%sArray");
nameRemapper.put("AbstractCollection", "Abstract%sCollection");
nameRemapper.put("AbstractSet", "Abstract%sSet");
nameRemapper.put("AbstractList", "Abstract%sList");
blocked.put("Consumer", EnumSet.of(ClassType.OBJECT));
blocked.put("Comparator", EnumSet.of(ClassType.OBJECT));
blocked.put("Stack", EnumSet.of(ClassType.OBJECT));

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@ -366,6 +366,7 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
@Override
public KEY_TYPE NEXT() {
lastReturned = index;
return GET_KEY(index++);
}
@ -376,6 +377,7 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
@Override
public KEY_TYPE PREVIOUS() {
lastReturned = index;
return GET_KEY(index--);
}

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@ -0,0 +1,567 @@
package speiger.src.collections.PACKAGE.sets;
import java.util.Arrays;
import java.util.Collection;
#if TYPE_OBJECT
import java.util.Comparator;
import java.util.NoSuchElementException;
import java.util.Objects;
#else
import java.util.NoSuchElementException;
#endif
import java.util.Set;
import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
import speiger.src.collections.PACKAGE.collections.COLLECTION;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
import speiger.src.collections.PACKAGE.utils.ARRAYS;
public class ARRAY_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE implements SORTED_SET KEY_GENERIC_TYPE
{
protected transient KEY_TYPE[] data;
protected int size = 0;
public ARRAY_SET() {
#if TYPE_OBJECT
data = (KEY_TYPE[])ARRAYS.EMPTY_ARRAY;
#else
data = ARRAYS.EMPTY_ARRAY;
#endif
}
public ARRAY_SET(int capacity) {
#if TYPE_OBJECT
data = (KEY_TYPE[])new Object[capacity];
#else
data = new KEY_TYPE[capacity];
#endif
}
public ARRAY_SET(KEY_TYPE[] array) {
this(array, array.length);
}
public ARRAY_SET(KEY_TYPE[] array, int length) {
data = array;
size = length;
}
@Deprecated
public ARRAY_SET(Collection<? extends CLASS_TYPE> c) {
this(c.size());
addAll(c);
}
public ARRAY_SET(COLLECTION KEY_GENERIC_TYPE c) {
this(c.size());
addAll(c);
}
@Deprecated
public ARRAY_SET(Set<? extends CLASS_TYPE> s) {
this(s.size());
for(CLASS_TYPE e : s)
data[size++] = OBJ_TO_KEY(e);
}
public ARRAY_SET(SET KEY_GENERIC_TYPE s) {
this(s.size());
for(KEY_TYPE e : s)
data[size++] = e;
}
@Override
public boolean add(KEY_TYPE o) {
int index = findIndex(o);
if(index == -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
data[size++] = o;
return true;
}
return false;
}
@Override
public boolean addAndMoveToFirst(KEY_TYPE o) {
int index = findIndex(o);
if(index == -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
System.arraycopy(data, 0, data, 1, size++);
data[0] = o;
return true;
}
else if(index != 0) {
o = data[index];
System.arraycopy(data, 0, data, 1, index);
data[index] = o;
}
return false;
}
@Override
public boolean addAndMoveToLast(KEY_TYPE o) {
int index = findIndex(o);
if(index == -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
data[size++] = o;
return true;
}
else if(index != size - 1) {
o = data[index];
System.arraycopy(data, index+1, data, index, size - index);
data[size] = o;
}
return false;
}
@Override
public boolean moveToFirst(KEY_TYPE o) {
int index = findIndex(o);
if(index > 0) {
o = data[index];
System.arraycopy(data, 0, data, 1, index);
data[index] = o;
return true;
}
return false;
}
@Override
public boolean moveToLast(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1 && index != size - 1) {
o = data[index];
System.arraycopy(data, index+1, data, index, size - index);
data[size] = o;
return true;
}
return false;
}
#if !TYPE_OBJECT
@Override
public boolean contains(KEY_TYPE e) {
return findIndex(e) != -1;
}
#else
@Override
public boolean contains(Object e) {
return findIndex((KEY_TYPE)e) != -1;
}
#endif
@Override
public KEY_TYPE FIRST_KEY() {
if(size == 0) throw new NoSuchElementException();
return data[0];
}
@Override
public KEY_TYPE LAST_KEY() {
if(size == 0) throw new NoSuchElementException();
return data[size - 1];
}
#if !TYPE_OBJECT
@Override
public boolean remove(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1) {
System.arraycopy(data, index+1, data, index, size - index);
return true;
}
return false;
}
#else
@Override
public boolean remove(Object o) {
int index = findIndex((KEY_TYPE)o);
if(index != -1) {
System.arraycopy(data, index+1, data, index, size - index);
data[size-1] = EMPTY_VALUE;
return true;
}
return false;
}
#endif
@Override
public KEY_TYPE POLL_FIRST_KEY() {
if(size == 0) throw new NoSuchElementException();
KEY_TYPE result = data[0];
System.arraycopy(data, 1, data, 0, size);
#if TYPE_OBJECT
data[size-1] = EMPTY_VALUE;
#endif
return result;
}
@Override
public KEY_TYPE POLL_LAST_KEY() {
if(size == 0) throw new NoSuchElementException();
#if TYPE_OBJECT
KEY_TYPE result = data[size-1];
data[size-1] = EMPTY_VALUE;
return result;
#else
return data[--size];
#endif
}
protected int findIndex(KEY_TYPE o) {
for(int i = size-1;i>=0;i--)
if(EQUALS(data[i], o)) return i;
return -1;
}
@Override
public BI_ITERATOR KEY_GENERIC_TYPE iterator() {
return new SetIterator(0);
}
@Override
public BI_ITERATOR KEY_GENERIC_TYPE iterator(KEY_TYPE fromElement) {
int index = findIndex(fromElement);
if(index != -1) return new SetIterator(index);
throw new NoSuchElementException();
}
@Override
public SORTED_SET KEY_GENERIC_TYPE subSet(KEY_TYPE fromElement, KEY_TYPE toElement) {
int fromIndex = findIndex(fromElement);
int toIndex = findIndex(toElement);
if(fromIndex == -1 || toIndex == -1) throw new NoSuchElementException();
return new SubSet(fromIndex, toIndex - fromIndex);
}
@Override
public SORTED_SET KEY_GENERIC_TYPE headSet(KEY_TYPE toElement) {
int toIndex = findIndex(toElement);
if(toIndex == -1) throw new NoSuchElementException();
return new SubSet(0, toIndex);
}
@Override
public SORTED_SET KEY_GENERIC_TYPE tailSet(KEY_TYPE fromElement) {
int fromIndex = findIndex(fromElement);
if(fromIndex == -1) throw new NoSuchElementException();
return new SubSet(fromIndex, size - fromIndex);
}
@Override
public COMPARATOR KEY_GENERIC_TYPE comparator() {
return null;
}
@Override
public void clear() {
size = 0;
}
@Override
public int size() {
return size;
}
private class SubSet extends ABSTRACT_SET KEY_GENERIC_TYPE implements SORTED_SET KEY_GENERIC_TYPE {
int offset;
int length;
SubSet(int offset, int length) {
this.offset = offset;
this.length = length;
}
@Override
public boolean add(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
System.arraycopy(data, (offset+length), data, (offset+length)+1, size-(offset+length));
data[offset+length] = o;
size++;
length++;
return true;
}
return false;
}
@Override
public boolean addAndMoveToFirst(KEY_TYPE o) {
int index = findIndex(o);
if(index == -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
System.arraycopy(data, offset, data, offset+1, size-offset);
data[offset] = o;
size++;
length++;
return true;
}
else if(index != 0) {
o = data[index];
System.arraycopy(data, offset, data, offset+1, index-offset);
data[offset] = o;
}
return false;
}
@Override
public boolean addAndMoveToLast(KEY_TYPE o) {
int index = findIndex(o);
if(index == -1) {
if(data.length == size) data = Arrays.copyOf(data, size == 0 ? 2 : size * 2);
System.arraycopy(data, (offset+length)+1, data, (offset+length), size-(offset+length));
data[offset+length] = o;
size++;
length++;
return true;
}
else if(index != 0) {
o = data[index];
System.arraycopy(data, offset+1, data, offset, index-offset);
data[offset+length] = o;
}
return false;
}
@Override
public boolean moveToFirst(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1 && index != offset) {
o = data[index];
System.arraycopy(data, offset, data, offset+1, index-offset);
data[offset] = o;
return true;
}
return false;
}
@Override
public boolean moveToLast(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1 && index != (offset+length) - 1) {
o = data[index];
System.arraycopy(data, offset+1, data, offset, index-offset);
data[offset+length] = o;
return true;
}
return false;
}
#if !TYPE_OBJECT
@Override
public boolean contains(KEY_TYPE e) {
return findIndex(e) != -1;
}
#else
@Override
public boolean contains(Object e) {
return findIndex((KEY_TYPE)e) != -1;
}
#endif
@Override
public KEY_TYPE FIRST_KEY() {
if(length == 0) throw new NoSuchElementException();
return data[offset];
}
@Override
public KEY_TYPE LAST_KEY() {
if(length == 0) throw new NoSuchElementException();
return data[(offset + length) - 1];
}
#if !TYPE_OBJECT
@Override
public boolean remove(KEY_TYPE o) {
int index = findIndex(o);
if(index != -1) {
System.arraycopy(data, index+1, data, index, size - index);
size--;
length--;
return true;
}
return false;
}
#else
@Override
public boolean remove(Object o) {
int index = findIndex((KEY_TYPE)o);
if(index != -1) {
System.arraycopy(data, index+1, data, index, size - index);
data[size-1] = EMPTY_VALUE;
size--;
length--;
return true;
}
return false;
}
#endif
@Override
public KEY_TYPE POLL_FIRST_KEY() {
if(length == 0) throw new NoSuchElementException();
KEY_TYPE result = data[offset];
System.arraycopy(data, offset+1, data, offset, size-offset);
#if TYPE_OBJECT
data[size-1] = EMPTY_VALUE;
#endif
size--;
length--;
return result;
}
@Override
public KEY_TYPE POLL_LAST_KEY() {
if(length == 0) throw new NoSuchElementException();
KEY_TYPE result = data[offset+length];
System.arraycopy(data, (offset+length)+1, data, (offset+length), size-(offset+length));
#if TYPE_OBJECT
data[size-1] = EMPTY_VALUE;
#endif
size--;
length--;
return result;
}
@Override
public COMPARATOR KEY_GENERIC_TYPE comparator() {
return null;
}
@Override
public BI_ITERATOR KEY_GENERIC_TYPE iterator() {
return new SetIterator(offset);
}
@Override
public BI_ITERATOR KEY_GENERIC_TYPE iterator(KEY_TYPE fromElement) {
int index = findIndex(fromElement);
if(index != -1) return new SetIterator(index);
throw new NoSuchElementException();
}
@Override
public SORTED_SET KEY_GENERIC_TYPE subSet(KEY_TYPE fromElement, KEY_TYPE toElement) {
int fromIndex = findIndex(fromElement);
int toIndex = findIndex(toElement);
if(fromIndex == -1 || toIndex == -1) throw new NoSuchElementException();
return new SubSet(fromIndex, toIndex - fromIndex);
}
@Override
public SORTED_SET KEY_GENERIC_TYPE headSet(KEY_TYPE toElement) {
int toIndex = findIndex(toElement);
if(toIndex == -1) throw new NoSuchElementException();
return new SubSet(0, toIndex);
}
@Override
public SORTED_SET KEY_GENERIC_TYPE tailSet(KEY_TYPE fromElement) {
int fromIndex = findIndex(fromElement);
if(fromIndex == -1) throw new NoSuchElementException();
return new SubSet(fromIndex, size - fromIndex);
}
@Override
public int size() {
return length;
}
private int findIndex(KEY_TYPE o) {
for(int i = length-1;i>=0;i--)
if(data[offset+i] == o) return i + offset;
return -1;
}
}
private class SetIterator implements LIST_ITERATOR KEY_GENERIC_TYPE {
int index;
int lastReturned = -1;
public SetIterator(int index) {
this.index = index;
}
@Override
public boolean hasNext() {
return index < size();
}
@Override
public KEY_TYPE NEXT() {
lastReturned = index;
return data[index++];
}
@Override
public boolean hasPrevious() {
return index > 0;
}
@Override
public KEY_TYPE PREVIOUS() {
lastReturned = index;
return data[index--];
}
@Override
public int nextIndex() {
return index;
}
@Override
public int previousIndex() {
return index-1;
}
@Override
public void remove() {
if(lastReturned == -1)
throw new IllegalStateException();
ARRAY_SET.this.remove(data[lastReturned]);
if(lastReturned < index)
index--;
lastReturned = -1;
}
#if TYPE_OBJECT
@Override
public void set(Object e) { throw new UnsupportedOperationException(); }
@Override
public void add(Object e) { throw new UnsupportedOperationException(); }
#else
@Override
public void set(KEY_TYPE e) { throw new UnsupportedOperationException(); }
@Override
public void add(KEY_TYPE e) { throw new UnsupportedOperationException(); }
#endif
@Override
public int skip(int amount) {
if(amount < 0) throw new IllegalStateException("Negative Numbers are not allowed");
int steps = Math.min(amount, (size() - 1) - index);
index += steps;
return steps;
}
@Override
public int back(int amount) {
if(amount < 0) throw new IllegalStateException("Negative Numbers are not allowed");
int steps = Math.min(amount, index);
index -= steps;
return steps;
}
}
}

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@ -0,0 +1,560 @@
package speiger.src.collections.PACKAGE.sets;
#if TYPE_OBJECT
import java.util.Comparator;
#endif
import java.util.Collection;
import java.util.Iterator;
import java.util.NoSuchElementException;
import speiger.src.collections.PACKAGE.collections.COLLECTION;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.collections.ITERATOR;
#endif
import speiger.src.collections.PACKAGE.collections.BI_ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.PACKAGE.lists.LIST_ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.utils.ITERATORS;
#endif
import speiger.src.collections.PACKAGE.utils.STRATEGY;
import speiger.src.collections.utils.HashUtil;
import speiger.src.collections.utils.SanityChecks;
public class LINKED_CUSTOM_HASH_SET KEY_GENERIC_TYPE extends CUSTOM_HASH_SET KEY_GENERIC_TYPE implements SORTED_SET KEY_GENERIC_TYPE
{
protected long[] links;
protected int firstIndex = -1;
protected int lastIndex = -1;
public LINKED_CUSTOM_HASH_SET(STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(HashUtil.DEFAULT_MIN_CAPACITY, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(int minCapacity, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(minCapacity, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(int minCapacity, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
super(minCapacity, loadFactor, strategy);
links = new long[nullIndex + 1];
}
public LINKED_CUSTOM_HASH_SET(KEY_TYPE[] array, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, 0, array.length, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(KEY_TYPE[] array, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, 0, array.length, loadFactor, strategy);
}
public LINKED_CUSTOM_HASH_SET(KEY_TYPE[] array, int offset, int length, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, offset, length, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(KEY_TYPE[] array, int offset, int length, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(length < 0 ? 0 : length, strategy);
SanityChecks.checkArrayCapacity(array.length, offset, length);
for(int i = 0;i<length;i++) add(array[offset+i]);
}
@Deprecated
public LINKED_CUSTOM_HASH_SET(Collection<? extends CLASS_TYPE> collection, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
@Deprecated
public LINKED_CUSTOM_HASH_SET(Collection<? extends CLASS_TYPE> collection, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection.size(), loadFactor, strategy);
addAll(collection);
}
public LINKED_CUSTOM_HASH_SET(COLLECTION KEY_GENERIC_TYPE collection, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(COLLECTION KEY_GENERIC_TYPE collection, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection.size(), strategy);
addAll(collection);
}
public LINKED_CUSTOM_HASH_SET(Iterator<CLASS_TYPE> iterator, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(iterator, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(Iterator<CLASS_TYPE> iterator, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
#if !TYPE_OBJECT
this(ITERATORS.wrap(iterator), loadFactor, strategy);
#else
this(HashUtil.DEFAULT_MIN_CAPACITY, loadFactor, strategy);
while(iterator.hasNext()) add(iterator.next());
#endif
}
#if !TYPE_OBJECT
public LINKED_CUSTOM_HASH_SET(ITERATOR KEY_GENERIC_TYPE iterator, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(iterator, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public LINKED_CUSTOM_HASH_SET(ITERATOR KEY_GENERIC_TYPE iterator, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(HashUtil.DEFAULT_MIN_CAPACITY, loadFactor, strategy);
while(iterator.hasNext()) add(iterator.NEXT());
}
#endif
@Override
public boolean addAndMoveToFirst(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) {
if(containsNull) {
moveToFirstIndex(nullIndex);
return false;
}
containsNull = true;
onNodeAdded(nullIndex);
}
else {
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
while(!strategy.equals(keys[pos], EMPTY_VALUE)) {
if(strategy.equals(keys[pos], o)) {
moveToFirstIndex(pos);
return false;
}
pos = ++pos & mask;
}
keys[pos] = o;
onNodeAdded(pos);
}
if(size++ >= maxFill) rehash(HashUtil.arraySize(size+1, loadFactor));
return true;
}
@Override
public boolean addAndMoveToLast(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) {
if(containsNull) {
moveToLastIndex(nullIndex);
return false;
}
containsNull = true;
onNodeAdded(nullIndex);
}
else {
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
while(!strategy.equals(keys[pos], EMPTY_VALUE)) {
if(strategy.equals(keys[pos], o)) {
moveToLastIndex(pos);
return false;
}
pos = ++pos & mask;
}
keys[pos] = o;
onNodeAdded(pos);
}
if(size++ >= maxFill) rehash(HashUtil.arraySize(size+1, loadFactor));
return true;
}
@Override
public boolean moveToFirst(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) {
if(containsNull) {
moveToFirstIndex(nullIndex);
return true;
}
}
else {
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
while(!strategy.equals(keys[pos], EMPTY_VALUE)) {
if(strategy.equals(keys[pos], o)) {
moveToFirstIndex(pos);
return true;
}
pos = ++pos & mask;
}
keys[pos] = o;
}
return false;
}
@Override
public boolean moveToLast(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) {
if(containsNull) {
moveToLastIndex(nullIndex);
return true;
}
}
else {
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
while(!strategy.equals(keys[pos], EMPTY_VALUE)) {
if(strategy.equals(keys[pos], o)) {
moveToLastIndex(pos);
return true;
}
pos = ++pos & mask;
}
keys[pos] = o;
}
return false;
}
protected void moveToFirstIndex(int startPos) {
if(size == 1 || firstIndex == startPos) return;
if(lastIndex == startPos) {
lastIndex = (int)(links[startPos] >>> 32);
links[lastIndex] |= 0xFFFFFFFFL;
}
else {
long link = links[startPos];
int prev = (int)(link >>> 32);
int next = (int)link;
links[prev] ^= ((links[prev] ^ (link & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[next] ^= ((links[next] ^ (link & 0xFFFFFFFF00000000L)) & 0xFFFFFFFF00000000L);
}
links[firstIndex] ^= ((links[firstIndex] ^ ((startPos & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
links[startPos] = 0xFFFFFFFF00000000L | (firstIndex & 0xFFFFFFFFL);
firstIndex = startPos;
}
protected void moveToLastIndex(int startPos) {
if(size == 1 || lastIndex == startPos) return;
if(firstIndex == startPos) {
firstIndex = (int)links[startPos];
links[lastIndex] |= 0xFFFFFFFF00000000L;
}
else {
long link = links[startPos];
int prev = (int)(link >>> 32);
int next = (int)link;
links[prev] ^= ((links[prev] ^ (link & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[next] ^= ((links[next] ^ (link & 0xFFFFFFFF00000000L)) & 0xFFFFFFFF00000000L);
}
links[lastIndex] ^= ((links[lastIndex] ^ (startPos & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[startPos] = ((lastIndex & 0xFFFFFFFFL) << 32) | 0xFFFFFFFFL;
lastIndex = startPos;
}
@Override
public KEY_TYPE FIRST_KEY() {
if(size == 0) throw new NoSuchElementException();
return keys[firstIndex];
}
@Override
public KEY_TYPE POLL_FIRST_KEY() {
if(size == 0) throw new NoSuchElementException();
int pos = firstIndex;
firstIndex = (int)links[pos];
if(0 <= firstIndex) links[firstIndex] |= 0xFFFFFFFF00000000L;
KEY_TYPE result = keys[pos];
size--;
if(strategy.equals(result, EMPTY_VALUE)) {
containsNull = false;
keys[nullIndex] = EMPTY_VALUE;
}
else shiftKeys(pos);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return result;
}
@Override
public KEY_TYPE LAST_KEY() {
if(size == 0) throw new NoSuchElementException();
return keys[lastIndex];
}
@Override
public KEY_TYPE POLL_LAST_KEY() {
if(size == 0) throw new NoSuchElementException();
int pos = lastIndex;
lastIndex = (int)(links[pos] >>> 32);
if(0 <= lastIndex) links[lastIndex] |= 0xFFFFFFFFL;
KEY_TYPE result = keys[pos];
size--;
if(strategy.equals(result, EMPTY_VALUE)) {
containsNull = false;
keys[nullIndex] = EMPTY_VALUE;
}
else shiftKeys(pos);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return result;
}
@Override
protected void onNodeAdded(int pos) {
if(size == 0) {
firstIndex = lastIndex = pos;
links[pos] = -1L;
}
else {
links[lastIndex] ^= ((links[lastIndex] ^ (pos & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[pos] = ((lastIndex & 0xFFFFFFFFL) << 32) | (-1 & 0xFFFFFFFFL);
lastIndex = pos;
}
}
@Override
protected void onNodeRemoved(int pos) {
if(size == 0) firstIndex = lastIndex = 0;
else if(firstIndex == pos) {
firstIndex = (int)links[pos];
if(0 <= firstIndex) links[firstIndex] |= 0xFFFFFFFF00000000L;
}
else if(lastIndex == pos) {
lastIndex = (int)(links[pos] >>> 32);
if(0 <= lastIndex) links[pos] |= 0xFFFFFFFFL;
}
else {
long link = links[pos];
int prev = (int)(link >>> 32);
int next = (int)link;
links[prev] ^= ((links[prev] ^ (link & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[next] ^= ((links[next] ^ (link & 0xFFFFFFFF00000000L)) & 0xFFFFFFFF00000000L);
}
}
@Override
protected void onNodeMoved(int from, int to) {
if(size == 1) {
firstIndex = lastIndex = to;
links[to] = -1L;
}
else if(firstIndex == from) {
firstIndex = to;
links[(int)links[from]] ^= ((links[(int)links[from]] ^ ((to & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
links[to] = links[from];
}
else if(lastIndex == from) {
lastIndex = to;
links[(int)(links[from] >>> 32)] ^= ((links[(int)(links[from] >>> 32)] ^ (to & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[to] = links[from];
}
else {
long link = links[from];
int prev = (int)(link >>> 32);
int next = (int)link;
links[prev] ^= ((links[prev] ^ (to & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[next] ^= ((links[next] ^ ((to & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
links[to] = link;
}
}
@Override
protected void rehash(int newSize) {
int newMask = newSize - 1;
#if TYPE_OBJECT
KEY_TYPE[] newKeys = (KEY_TYPE[])new Object[newSize + 1];
#else
KEY_TYPE[] newKeys = new KEY_TYPE[newSize + 1];
#endif
long[] newLinks = new long[newSize + 1];
int newPrev = -1;
for(int j = size, i = firstIndex, pos = 0, prev = -1;j != 0;) {
if(strategy.equals(keys[i], EMPTY_VALUE)) pos = newSize;
else {
pos = HashUtil.mix(strategy.hashCode(keys[i])) & newMask;
while(!strategy.equals(newKeys[pos], EMPTY_VALUE)) pos = ++pos & newMask;
}
newKeys[pos] = keys[i];
if(prev != -1) {
newLinks[newPrev] ^= ((newLinks[newPrev] ^ (pos & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
newLinks[pos] ^= ((newLinks[pos] ^ ((newPrev & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
newPrev = pos;
}
else {
newPrev = firstIndex = pos;
newLinks[pos] = -1L;
}
i = (int)links[prev = i];
}
links = newLinks;
lastIndex = newPrev;
if(newPrev != -1) newLinks[newPrev] |= 0xFFFFFFFFL;
nullIndex = newSize;
mask = newMask;
maxFill = Math.min((int)Math.ceil(nullIndex * loadFactor), nullIndex - 1);
keys = newKeys;
}
@Override
public void clear() {
super.clear();
firstIndex = lastIndex = -1;
}
@Override
public LIST_ITERATOR KEY_GENERIC_TYPE iterator() {
return new SetIterator();
}
@Override
public BI_ITERATOR KEY_GENERIC_TYPE iterator(KEY_TYPE fromElement) {
return new SetIterator(fromElement);
}
@Override
public COMPARATOR KEY_GENERIC_TYPE comparator() { return null; }
@Override
public SORTED_SET KEY_GENERIC_TYPE subSet(KEY_TYPE fromElement, KEY_TYPE toElement) { throw new UnsupportedOperationException(); }
@Override
public SORTED_SET KEY_GENERIC_TYPE headSet(KEY_TYPE toElement) { throw new UnsupportedOperationException(); }
@Override
public SORTED_SET KEY_GENERIC_TYPE tailSet(KEY_TYPE fromElement) { throw new UnsupportedOperationException(); }
private class SetIterator implements LIST_ITERATOR KEY_GENERIC_TYPE {
int previous = -1;
int next = -1;
int current = -1;
int index = 0;
SetIterator() {
next = firstIndex;
}
SetIterator(KEY_TYPE from) {
if(strategy.equals(from, EMPTY_VALUE)) {
if(containsNull) {
next = (int) links[nullIndex];
previous = nullIndex;
}
else throw new NoSuchElementException("The null element is not in the set");
}
else if(strategy.equals(keys[lastIndex], from)) {
previous = lastIndex;
index = size;
}
else {
int pos = HashUtil.mix(strategy.hashCode(from)) & mask;
while(!strategy.equals(keys[pos], EMPTY_VALUE)) {
if(strategy.equals(keys[pos], from)) {
next = (int)links[pos];
previous = pos;
break;
}
pos = ++pos & mask;
}
if(previous == -1 && next == -1)
throw new NoSuchElementException("The element was not found");
}
}
@Override
public boolean hasNext() {
return next != -1;
}
@Override
public boolean hasPrevious() {
return previous != -1;
}
@Override
public int nextIndex() {
ensureIndexKnown();
return index;
}
@Override
public int previousIndex() {
ensureIndexKnown();
return index - 1;
}
@Override
public void remove() {
if(current == -1) throw new IllegalStateException();
ensureIndexKnown();
if(current == previous) {
index--;
previous = (int)(links[current] >> 32);
}
else next = (int)links[current];
size--;
if(previous == -1) firstIndex = next;
else links[previous] ^= ((links[previous] ^ (next & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
if (next == -1) lastIndex = previous;
else links[next] ^= ((links[next] ^ ((previous & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
if(current == nullIndex) {
current = -1;
containsNull = false;
keys[nullIndex] = EMPTY_VALUE;
}
else {
int slot, last, startPos = current;
current = -1;
KEY_TYPE current;
while(true) {
last = ((last = startPos) + 1) & mask;
while(true){
if(strategy.equals((current = keys[startPos]), EMPTY_VALUE)) {
keys[last] = EMPTY_VALUE;
return;
}
slot = HashUtil.mix(strategy.hashCode(current)) & mask;
if(last <= startPos ? (last >= slot || slot > startPos) : (last >= slot && slot > startPos)) break;
startPos = ++startPos & mask;
}
keys[last] = current;
if(next == startPos) next = last;
if(previous == startPos) previous = last;
onNodeMoved(startPos, last);
}
}
}
@Override
public KEY_TYPE PREVIOUS() {
if(!hasPrevious()) throw new NoSuchElementException();
current = previous;
previous = (int)(links[current] >> 32);
next = current;
if(index >= 0) index--;
return keys[current];
}
@Override
public KEY_TYPE NEXT() {
if(!hasPrevious()) throw new NoSuchElementException();
current = next;
next = (int)(links[current]);
previous = current;
if(index >= 0) index++;
return keys[current];
}
private void ensureIndexKnown() {
if(index == -1) {
if(previous == -1) {
index = 0;
}
else if(next == -1) {
index = size;
}
else {
index = 1;
for(int pos = firstIndex;pos != previous;pos = (int)links[pos], index++);
}
}
}
#if TYPE_OBJECT
@Override
public void set(Object e) { throw new UnsupportedOperationException(); }
@Override
public void add(Object e) { throw new UnsupportedOperationException(); }
#else
@Override
public void set(KEY_TYPE e) { throw new UnsupportedOperationException(); }
@Override
public void add(KEY_TYPE e) { throw new UnsupportedOperationException(); }
#endif
}
}

View File

@ -210,13 +210,13 @@ public class LINKED_HASH_SET KEY_GENERIC_TYPE extends HASH_SET KEY_GENERIC_TYPE
}
else {
long link = links[startPos];
int prev = (int) ( link >>> 32 );
int next = (int) link;
int prev = (int)(link >>> 32);
int next = (int)link;
links[prev] ^= ((links[prev] ^ (link & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[next] ^= ((links[next] ^ (link & 0xFFFFFFFF00000000L)) & 0xFFFFFFFF00000000L);
}
links[firstIndex] ^= ((links[firstIndex] ^ ((startPos & 0xFFFFFFFFL) << 32)) & 0xFFFFFFFF00000000L);
links[startPos] = ((-1 & 0xFFFFFFFFL) << 32) | (firstIndex & 0xFFFFFFFFL);
links[startPos] = 0xFFFFFFFF00000000L | (firstIndex & 0xFFFFFFFFL);
firstIndex = startPos;
}
@ -234,7 +234,7 @@ public class LINKED_HASH_SET KEY_GENERIC_TYPE extends HASH_SET KEY_GENERIC_TYPE
links[next] ^= ((links[next] ^ (link & 0xFFFFFFFF00000000L)) & 0xFFFFFFFF00000000L);
}
links[lastIndex] ^= ((links[lastIndex] ^ (startPos & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[startPos] = ((lastIndex & 0xFFFFFFFFL) << 32) | (-1 & 0xFFFFFFFFL);
links[startPos] = ((lastIndex & 0xFFFFFFFFL) << 32) | 0xFFFFFFFFL;
lastIndex = startPos;
}

View File

@ -0,0 +1,384 @@
package speiger.src.collections.PACKAGE.sets;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.NoSuchElementException;
import speiger.src.collections.PACKAGE.collections.COLLECTION;
import speiger.src.collections.PACKAGE.collections.ITERATOR;
import speiger.src.collections.PACKAGE.lists.ARRAY_LIST;
import speiger.src.collections.PACKAGE.lists.LIST;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.utils.ITERATORS;
#endif
import speiger.src.collections.PACKAGE.utils.STRATEGY;
import speiger.src.collections.utils.HashUtil;
import speiger.src.collections.utils.ITrimmable;
import speiger.src.collections.utils.SanityChecks;
public class CUSTOM_HASH_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE implements ITrimmable
{
protected transient KEY_TYPE[] keys;
protected transient boolean containsNull;
protected transient int minCapacity;
protected transient int nullIndex;
protected transient int maxFill;
protected transient int mask;
protected int size;
protected final float loadFactor;
protected final STRATEGY KEY_SUPER_GENERIC_TYPE strategy;
public CUSTOM_HASH_SET(STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(HashUtil.DEFAULT_MIN_CAPACITY, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(int minCapacity, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(minCapacity, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(int minCapacity, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
if(minCapacity < 0) throw new IllegalStateException("Minimum Capacity is negative. This is not allowed");
if(loadFactor <= 0 || loadFactor >= 1F) throw new IllegalStateException("Load Factor is not between 0 and 1");
this.loadFactor = loadFactor;
this.minCapacity = nullIndex = HashUtil.arraySize(minCapacity, loadFactor);
mask = nullIndex - 1;
maxFill = Math.min((int)Math.ceil(nullIndex * loadFactor), nullIndex - 1);
#if TYPE_OBJECT
keys = (KEY_TYPE[])new Object[nullIndex + 1];
#else
keys = new KEY_TYPE[nullIndex + 1];
#endif
this.strategy = strategy;
}
public CUSTOM_HASH_SET(KEY_TYPE[] array, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, 0, array.length, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(KEY_TYPE[] array, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, 0, array.length, loadFactor, strategy);
}
public CUSTOM_HASH_SET(KEY_TYPE[] array, int offset, int length, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(array, offset, length, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(KEY_TYPE[] array, int offset, int length, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(length < 0 ? 0 : length, strategy);
SanityChecks.checkArrayCapacity(array.length, offset, length);
for(int i = 0;i<length;i++) add(array[offset+i]);
}
@Deprecated
public CUSTOM_HASH_SET(Collection<? extends CLASS_TYPE> collection, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
@Deprecated
public CUSTOM_HASH_SET(Collection<? extends CLASS_TYPE> collection, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection.size(), loadFactor, strategy);
addAll(collection);
}
public CUSTOM_HASH_SET(COLLECTION KEY_GENERIC_TYPE collection, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(COLLECTION KEY_GENERIC_TYPE collection, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(collection.size(), strategy);
addAll(collection);
}
public CUSTOM_HASH_SET(Iterator<CLASS_TYPE> iterator, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(iterator, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(Iterator<CLASS_TYPE> iterator, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
#if !TYPE_OBJECT
this(ITERATORS.wrap(iterator), loadFactor, strategy);
#else
this(HashUtil.DEFAULT_MIN_CAPACITY, loadFactor, strategy);
while(iterator.hasNext()) add(iterator.next());
#endif
}
#if !TYPE_OBJECT
public CUSTOM_HASH_SET(ITERATOR KEY_GENERIC_TYPE iterator, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(iterator, HashUtil.DEFAULT_LOAD_FACTOR, strategy);
}
public CUSTOM_HASH_SET(ITERATOR KEY_GENERIC_TYPE iterator, float loadFactor, STRATEGY KEY_SUPER_GENERIC_TYPE strategy) {
this(HashUtil.DEFAULT_MIN_CAPACITY, loadFactor, strategy);
while(iterator.hasNext()) add(iterator.NEXT());
}
#endif
public STRATEGY KEY_SUPER_GENERIC_TYPE getStrategy() {
return strategy;
}
@Override
public boolean add(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) {
if(containsNull) return false;
containsNull = true;
onNodeAdded(nullIndex);
}
else {
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
KEY_TYPE current = keys[pos];
if(!strategy.equals(current, EMPTY_VALUE)) {
if(strategy.equals(current, o)) return false;
while(!strategy.equals((current = keys[++pos & mask]), EMPTY_VALUE))
if(strategy.equals(current, o)) return false;
}
keys[pos] = o;
onNodeAdded(pos);
}
if(size++ >= maxFill) rehash(HashUtil.arraySize(size+1, loadFactor));
return true;
}
@Override
@Deprecated
public boolean addAll(Collection<? extends CLASS_TYPE> c) {
if(loadFactor <= 0.5F) ensureCapacity(c.size());
else ensureCapacity(c.size() + size());
return super.addAll(c);
}
@Override
public boolean addAll(COLLECTION KEY_GENERIC_TYPE c) {
if(loadFactor <= 0.5F) ensureCapacity(c.size());
else ensureCapacity(c.size() + size());
return super.addAll(c);
}
#if TYPE_OBJECT
@Override
public boolean contains(Object o) {
if(strategy.equals((KEY_TYPE)o, EMPTY_VALUE)) return containsNull;
int pos = HashUtil.mix(strategy.hashCode((KEY_TYPE)o)) & mask;
KEY_TYPE current = keys[pos];
if(!strategy.equals(current, EMPTY_VALUE)) return false;
if(strategy.equals(current, (KEY_TYPE)o)) return true;
while(true) {
if(strategy.equals((current = keys[++pos & mask]), EMPTY_VALUE)) return false;
else if(strategy.equals(current, (KEY_TYPE)o)) return true;
}
}
@Override
public boolean remove(Object o) {
if(strategy.equals((KEY_TYPE)o, EMPTY_VALUE)) return (containsNull ? removeNullIndex() : false);
int pos = HashUtil.mix(strategy.hashCode((KEY_TYPE)o)) & mask;
KEY_TYPE current = keys[pos];
if(!strategy.equals(current, EMPTY_VALUE)) return false;
if(strategy.equals(current, (KEY_TYPE)o)) return removeIndex(pos);
while(true) {
if(strategy.equals((current = keys[++pos & mask]), EMPTY_VALUE)) return false;
else if(strategy.equals(current, (KEY_TYPE)o)) return removeIndex(pos);
}
}
#else
@Override
public boolean contains(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) return containsNull;
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
KEY_TYPE current = keys[pos];
if(!strategy.equals(current, EMPTY_VALUE)) return false;
if(strategy.equals(current, o)) return true;
while(true) {
if(strategy.equals((current = keys[++pos & mask]), EMPTY_VALUE)) return false;
else if(strategy.equals(current, o)) return true;
}
}
@Override
public boolean remove(KEY_TYPE o) {
if(strategy.equals(o, EMPTY_VALUE)) return (containsNull ? removeNullIndex() : false);
int pos = HashUtil.mix(strategy.hashCode(o)) & mask;
KEY_TYPE current = keys[pos];
if(!strategy.equals(current, EMPTY_VALUE)) return false;
if(strategy.equals(current, o)) return removeIndex(pos);
while(true) {
if(strategy.equals((current = keys[++pos & mask]), EMPTY_VALUE)) return false;
else if(strategy.equals(current, o)) return removeIndex(pos);
}
}
#endif
@Override
public boolean trim(int size) {
int newSize = HashUtil.nextPowerOfTwo((int)Math.ceil(size / loadFactor));
if(newSize >= nullIndex || size >= Math.min((int)Math.ceil(newSize * loadFactor), newSize - 1)) return false;
try {
rehash(newSize);
}
catch(OutOfMemoryError e) { return false; }
return true;
}
private void ensureCapacity(int newCapacity) {
int size = HashUtil.arraySize(newCapacity, loadFactor);
if(size > nullIndex) rehash(size);
}
protected boolean removeIndex(int pos) {
size--;
onNodeRemoved(pos);
shiftKeys(pos);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return true;
}
protected boolean removeNullIndex() {
containsNull = false;
keys[nullIndex] = EMPTY_VALUE;
size--;
onNodeRemoved(nullIndex);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return true;
}
protected void onNodeAdded(int pos) {
}
protected void onNodeRemoved(int pos) {
}
protected void onNodeMoved(int from, int to) {
}
protected void shiftKeys(int startPos) {
int slot, last;
KEY_TYPE current;
while(true) {
startPos = ((last = startPos) + 1) & mask;
while(true){
if(strategy.equals((current = keys[startPos]), EMPTY_VALUE)) {
keys[last] = EMPTY_VALUE;
return;
}
slot = HashUtil.mix(strategy.hashCode(current)) & mask;
if(last <= startPos ? (last >= slot || slot > startPos) : (last >= slot && slot > startPos)) break;
startPos = ++startPos & mask;
}
keys[last] = current;
onNodeMoved(startPos, last);
}
}
protected void rehash(int newSize) {
int newMask = newSize - 1;
#if TYPE_OBJECT
KEY_TYPE[] newKeys = (KEY_TYPE[])new Object[newSize + 1];
#else
KEY_TYPE[] newKeys = new KEY_TYPE[newSize + 1];
#endif
for(int i = nullIndex, pos = 0, j = (size - (containsNull ? 1 : 0));j-- != 0;) {
while(strategy.equals(keys[--i], EMPTY_VALUE));
if(!strategy.equals(newKeys[pos = HashUtil.mix(TO_HASH(keys[i])) & newMask], EMPTY_VALUE))
while(!strategy.equals(newKeys[++pos & newMask], EMPTY_VALUE));
newKeys[pos] = keys[i];
}
nullIndex = newSize;
mask = newMask;
maxFill = Math.min((int)Math.ceil(nullIndex * loadFactor), nullIndex - 1);
keys = newKeys;
}
@Override
public ITERATOR KEY_GENERIC_TYPE iterator() {
return new SetIterator();
}
@Override
public void clear() {
if(size == 0) return;
size = 0;
containsNull = false;
Arrays.fill(keys, EMPTY_VALUE);
}
@Override
public int size() {
return size;
}
private class SetIterator implements ITERATOR KEY_GENERIC_TYPE {
int pos = nullIndex;
int lastReturned = -1;
int count = size;
boolean returnNull = containsNull;
LIST KEY_GENERIC_TYPE wrapped = null;
@Override
public boolean hasNext() {
return count != 0;
}
@Override
public KEY_TYPE NEXT() {
if(count != 0) throw new NoSuchElementException();
count--;
if(returnNull) {
returnNull = false;
lastReturned = nullIndex;
return keys[nullIndex];
}
while(true) {
if(pos-- < 0) {
lastReturned = Integer.MAX_VALUE;
return wrapped.GET_KEY(-pos - 1);
}
if(!strategy.equals(keys[pos], EMPTY_VALUE)) return keys[lastReturned = pos];
}
}
@Override
public void remove() {
if(lastReturned == -1) throw new IllegalStateException();
if(lastReturned == nullIndex) {
containsNull = false;
keys[nullIndex] = EMPTY_VALUE;
}
else if(pos >= 0) shiftKeys(pos);
else {
CUSTOM_HASH_SET.this.remove(wrapped.GET_KEY(-pos - 1));
return;
}
size--;
lastReturned = -1;
}
private void shiftKeys(int startPos) {
int slot, last;
KEY_TYPE current;
while(true) {
startPos = ((last = startPos) + 1) & mask;
while(true){
if(strategy.equals((current = keys[startPos]), EMPTY_VALUE)) {
keys[last] = EMPTY_VALUE;
return;
}
slot = HashUtil.mix(strategy.hashCode(current)) & mask;
if(last <= startPos ? (last >= slot || slot > startPos) : (last >= slot && slot > startPos)) break;
startPos = ++startPos & mask;
}
if(startPos < last) {
if(wrapped == null) wrapped = new ARRAY_LISTBRACES(2);
wrapped.add(keys[pos]);
}
keys[last] = current;
}
}
}
}

View File

@ -0,0 +1,8 @@
package speiger.src.collections.PACKAGE.utils;
public interface STRATEGY KEY_GENERIC_TYPE
{
public int hashCode(KEY_TYPE o);
public boolean equals(KEY_TYPE key, KEY_TYPE value);
}