Addition of PriorityQueues

-Added: PriorityQueue
-Added: PriorityDequeue
-Added: FIFOQueue
-Added: ArrayFIFO
-Added: ArrayPriorityQueue
-Added: HeapPriorityQueue
-Changed: Micro Optimization for Iterators to reduce Boxing/Unboxing
-Added: Helper replacers for cleaner template code.
-Added: Heap Methods to Arrays
-Changed: Upgraded to SCG1.0.1
This commit is contained in:
2021-01-20 04:29:08 +01:00
parent 9a9e08311b
commit a8318a3941
22 changed files with 1075 additions and 93 deletions
@@ -8,6 +8,7 @@ import java.util.Set;
import java.util.function.UnaryOperator;
import speiger.src.builder.mappers.ArgumentMapper;
import speiger.src.builder.mappers.IMapper;
import speiger.src.builder.mappers.InjectMapper;
import speiger.src.builder.mappers.LineMapper;
import speiger.src.builder.mappers.SimpleMapper;
@@ -15,7 +16,7 @@ import speiger.src.builder.processor.TemplateProcess;
public class GlobalVariables
{
List<UnaryOperator<String>> operators = new ArrayList<>();
List<IMapper> operators = new ArrayList<>();
Set<String> flags = new LinkedHashSet<>();
ClassType type;
@@ -42,13 +43,12 @@ public class GlobalVariables
addSimpleMapper("JAVA_TYPE", type.getCustomJDKType().getKeyType());
addSimpleMapper("SANITY_CAST", "castTo"+type.getFileType());
}
addAnnontion("@PrimitiveOverride", "@Override");
addSimpleMapper("@PrimitiveDoc", "");
addDeprication("@Primitive");
addAnnontion("@Primitive", "@Deprecated");
return this;
}
public GlobalVariables createHelperVariables()
{
addArgumentMapper("EQUALS_KEY_TYPE", type.isObject() ? "Objects.equals(%2$s, %1$s)" : "Objects.equals(%2$s, KEY_TO_OBJ(%1$s))").removeBraces();
@@ -63,7 +63,10 @@ public class GlobalVariables
addInjectMapper("CLASS_TO_KEY", "(("+type.getClassType()+")%s)."+type.getKeyType()+"Value()").removeBraces();
addSimpleMapper("APPLY", "applyAs"+type.getCustomJDKType().getNonFileType());
addInjectMapper("TO_HASH", type.isObject() ? "%s.hashCode()" : type.getClassType()+".hashCode(%s)").removeBraces();
addSimpleMapper("CAST_KEY_ARRAY ", type.isObject() ? "(KEY_TYPE[])" : "");
addSimpleMapper("EMPTY_KEY_ARRAY", type.isObject() ? "(KEY_TYPE[])ARRAYS.EMPTY_ARRAY" : "ARRAYS.EMPTY_ARRAY");
addInjectMapper("NEW_KEY_ARRAY", type.isObject() ? "(KEY_TYPE[])new Object[%s]" : "new KEY_TYPE[%s]").removeBraces();
addInjectMapper("NEW_CLASS_ARRAY", type.isObject() ? "(CLASS_TYPE[])new Object[%s]" : "new CLASS_TYPE[%s]").removeBraces();
return this;
}
@@ -75,6 +78,9 @@ public class GlobalVariables
//Final Classes
addClassMapper("ARRAY_LIST", "ArrayList");
addClassMapper("ARRAY_FIFO_QUEUE", "ArrayFIFOQueue");
addClassMapper("ARRAY_PRIORITY_QUEUE", "ArrayPriorityQueue");
addClassMapper("HEAP_PRIORITY_QUEUE", "HeapPriorityQueue");
addClassMapper("LINKED_CUSTOM_HASH_SET", "LinkedOpenCustomHashSet");
addClassMapper("LINKED_HASH_SET", "LinkedOpenHashSet");
addClassMapper("CUSTOM_HASH_SET", "OpenCustomHashSet");
@@ -105,6 +111,8 @@ public class GlobalVariables
addClassMapper("LIST_ITER", "ListIter");
addClassMapper("LIST", "List");
addClassMapper("NAVIGABLE_SET", "NavigableSet");
addClassMapper("PRIORITY_QUEUE", "PriorityQueue");
addClassMapper("PRIORITY_DEQUEUE", "PriorityDequeue");
addClassMapper("SORTED_SET", "SortedSet");
addClassMapper("SET", "Set");
addClassMapper("STRATEGY", "Strategy");
@@ -129,7 +137,12 @@ public class GlobalVariables
addFunctionMapper("NEXT", "next");
addSimpleMapper("TO_ARRAY", "to"+type.getNonFileType()+"Array");
addFunctionMapper("GET_KEY", "get");
addFunctionMapper("ENQUEUE_FIRST", "enqueueFirst");
addFunctionMapper("ENQUEUE", "enqueue");
addFunctionMapper("DEQUEUE_LAST", "dequeueLast");
addFunctionMapper("DEQUEUE", "dequeue");
addFunctionMapper("REMOVE_KEY", "rem");
addFunctionMapper("REMOVE_LAST", "removeLast");
addFunctionMapper("REMOVE", "remove");
addFunctionMapper("PREVIOUS", "previous");
addFunctionMapper("PEEK", "peek");
@@ -175,38 +188,38 @@ public class GlobalVariables
private void addClassMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, type.getFileType()+replacement));
operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, type.getFileType()+replacement));
}
private void addAbstractMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, String.format(replacement, type.getFileType())));
operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, String.format(replacement, type.getFileType())));
}
private void addFunctionMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, replacement+type.getNonFileType()));
operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, replacement+type.getNonFileType()));
}
private void addFunctionMappers(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, String.format(replacement, type.getNonFileType())));
operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, String.format(replacement, type.getNonFileType())));
}
private void addSimpleMapper(String pattern, String replacement)
{
operators.add(new SimpleMapper(pattern, replacement));
operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, replacement));
}
private void addDeprication(String pattern)
private void addAnnontion(String pattern, String value)
{
if(type == ClassType.OBJECT) operators.add(new LineMapper(pattern));
else operators.add(new SimpleMapper(pattern, "@Deprecated"));
if(type == ClassType.OBJECT) operators.add(new LineMapper(type.name()+"["+pattern+"]", pattern));
else operators.add(new SimpleMapper(type.name()+"["+pattern+"]", pattern, value));
}
private InjectMapper addInjectMapper(String pattern, String replacement)
{
InjectMapper mapper = new InjectMapper(pattern, replacement);
InjectMapper mapper = new InjectMapper(type.name()+"["+pattern+"]", pattern, replacement);
operators.add(mapper);
return mapper;
}
@@ -218,7 +231,7 @@ public class GlobalVariables
private ArgumentMapper addArgumentMapper(String pattern, String replacement, String splitter)
{
ArgumentMapper mapper = new ArgumentMapper(pattern, replacement, splitter);
ArgumentMapper mapper = new ArgumentMapper(type.name()+"["+pattern+"]", pattern, replacement, splitter);
operators.add(mapper);
return mapper;
}
@@ -37,6 +37,12 @@ public class TestBuilder extends TemplateProcessor
return true;
}
@Override
protected boolean debugUnusedMappers()
{
return false;
}
@Override
protected void init()
{
@@ -55,20 +61,19 @@ public class TestBuilder extends TemplateProcessor
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));
blocked.put("Sets", EnumSet.of(ClassType.BOOLEAN));
blocked.put("ArraySet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("AVLTreeSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("RBTreeSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("RBTreeSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("SortedSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("NavigableSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("OpenHashSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("OpenCustomHashSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("LinkedOpenHashSet", EnumSet.of(ClassType.BOOLEAN));
blocked.put("LinkedOpenCustomHashSet", EnumSet.of(ClassType.BOOLEAN));
addBlockage(ClassType.OBJECT, "Consumer", "Comparator", "Stack");
addBlockage(ClassType.BOOLEAN, "Sets", "ArraySet", "AVLTreeSet", "RBTreeSet", "SortedSet", "NavigableSet", "OpenHashSet", "OpenCustomHashSet", "LinkedOpenHashSet", "LinkedOpenCustomHashSet");
}
protected void addBlockage(ClassType type, String...args) {
for(String s : args) {
EnumSet<ClassType> set = blocked.get(s);
if(set == null) {
set = EnumSet.noneOf(ClassType.class);
blocked.put(s, set);
}
set.add(type);
}
}
@Override
@@ -89,7 +94,7 @@ public class TestBuilder extends TemplateProcessor
{
try
{
new TestBuilder().process(false);
new TestBuilder().process(false);
}
catch(InterruptedException e)
{
@@ -27,9 +27,7 @@ public abstract class ABSTRACT_COLLECTION KEY_GENERIC_TYPE extends AbstractColle
@Override
public boolean addAll(COLLECTION KEY_GENERIC_TYPE c) {
boolean modified = false;
for(KEY_TYPE e : c) {
modified |= add(e);
}
for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();modified |= add(iter.NEXT()));
return modified;
}
@@ -49,7 +47,7 @@ public abstract class ABSTRACT_COLLECTION KEY_GENERIC_TYPE extends AbstractColle
*/
@Override
public boolean contains(KEY_TYPE e) {
for(KEY_TYPE entry : this) { if(EQUALS(entry, e)) return true; }
for(ITERATOR KEY_GENERIC_TYPE iter = iterator();iter.hasNext();) { if(EQUALS(iter.NEXT(), e)) return true; }
return false;
}
@@ -75,8 +73,8 @@ public abstract class ABSTRACT_COLLECTION KEY_GENERIC_TYPE extends AbstractColle
@Override
public boolean containsAll(COLLECTION KEY_GENERIC_TYPE c) {
Objects.requireNonNull(c);
for(KEY_TYPE e : c)
if(!contains(e))
for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();)
if(!contains(iter.NEXT()))
return false;
return true;
}
@@ -107,8 +105,8 @@ public abstract class ABSTRACT_COLLECTION KEY_GENERIC_TYPE extends AbstractColle
@Override
public boolean containsAny(COLLECTION KEY_GENERIC_TYPE c) {
Objects.requireNonNull(c);
for(KEY_TYPE e : c)
if(contains(e))
for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();)
if(contains(iter.NEXT()))
return true;
return false;
}
@@ -43,8 +43,7 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
@Override
public boolean addAll(COLLECTION KEY_GENERIC_TYPE c) {
boolean modified = false;
for(KEY_TYPE e : c)
modified |= add(e);
for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();modified |= add(iter.NEXT()));
return modified;
}
@@ -56,8 +55,7 @@ public abstract class ABSTRACT_LIST KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
@Override
public boolean addAll(LIST KEY_GENERIC_TYPE c) {
boolean modified = false;
for(KEY_TYPE e : c)
modified |= add(e);
for(ITERATOR KEY_GENERIC_TYPE iter = c.iterator();iter.hasNext();modified |= add(iter.NEXT()));
return modified;
}
@@ -65,11 +65,7 @@ public class ARRAY_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
* Creates a new ArrayList with a Empty array.
*/
public ARRAY_LIST() {
#if TYPE_OBJECT
data = (KEY_TYPE[])ARRAYS.EMPTY_ARRAY;
#else
data = ARRAYS.EMPTY_ARRAY;
#endif
data = EMPTY_KEY_ARRAY;
}
/**
@@ -880,11 +876,7 @@ public class ARRAY_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
public boolean trim(int size) {
if(size > size() || size() == data.length) return false;
int value = Math.max(size, size());
#if TYPE_OBJECT
data = value == 0 ? (KEY_TYPE[])ARRAYS.EMPTY_ARRAY : Arrays.copyOf(data, value);
#else
data = value == 0 ? ARRAYS.EMPTY_ARRAY : Arrays.copyOf(data, value);
#endif
data = value == 0 ? EMPTY_KEY_ARRAY : Arrays.copyOf(data, value);
return true;
}
@@ -0,0 +1,275 @@
package speiger.src.collections.PACKAGE.queues;
#if TYPE_OBJECT
import java.util.Arrays;
import java.util.Comparator;
#endif
import java.util.NoSuchElementException;
import speiger.src.collections.PACKAGE.collections.ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.utils.ITrimmable;
public class ARRAY_FIFO_QUEUE KEY_GENERIC_TYPE implements PRIORITY_DEQUEUE KEY_GENERIC_TYPE, ITrimmable
{
private static final int MAX_ARRAY_SIZE = Integer.MAX_VALUE - 8;
public static final int MIN_CAPACITY = 4;
protected transient KEY_TYPE[] array;
protected int first;
protected int last;
public ARRAY_FIFO_QUEUE(KEY_TYPE[] values) {
this(values, 0, values.length);
}
public ARRAY_FIFO_QUEUE(KEY_TYPE[] values, int size) {
this(values, 0, size);
}
public ARRAY_FIFO_QUEUE(KEY_TYPE[] values, int offset, int size) {
if (values.length < size) throw new IllegalArgumentException("Initial array (" + values.length + ") is smaller then the expected size (" + size + ")");
if(values.length <= 0) values = NEW_KEY_ARRAY(1);
array = values;
first = offset;
last = (offset + size) % array.length;
if(array.length == size) expand();
}
public ARRAY_FIFO_QUEUE(int capacity) {
if (capacity < 0) throw new IllegalArgumentException("Initial capacity (" + capacity + ") is negative");
array = NEW_KEY_ARRAY(Math.max(1, capacity));
}
public ARRAY_FIFO_QUEUE() {
this(MIN_CAPACITY);
}
@Override
public ITERATOR KEY_GENERIC_TYPE iterator() {
return new Iter();
}
@Override
public int size() {
final int apparentLength = last - first;
return apparentLength >= 0 ? apparentLength : array.length + apparentLength;
}
@Override
public void clear() {
#if TYPE_OBJECT
Arrays.fill(array, null);
#endif
first = last = 0;
}
@Override
public void ENQUEUE(KEY_TYPE e) {
array[last] = e;
last = ++last % array.length;
if(last == first) expand();
}
@Override
public void ENQUEUE_FIRST(KEY_TYPE e) {
if(first == 0) first = array.length;
array[--first] = e;
if(first == last) expand();
}
@Override
public KEY_TYPE DEQUEUE() {
if(first == last) throw new NoSuchElementException();
KEY_TYPE data = array[first];
#if TYPE_OBJECT
array[first] = null;
#endif
first = ++first % array.length;
reduce();
return data;
}
@Override
public KEY_TYPE DEQUEUE_LAST() {
if(first == last) throw new NoSuchElementException();
if(last == 0) last = array.length;
KEY_TYPE data = array[--last];
#if TYPE_OBJECT
array[last] = null;
#endif
reduce();
return data;
}
@Override
public KEY_TYPE PEEK(int index) {
if(first == last || index < 0 || index > size()) throw new NoSuchElementException();
return array[(first + index) % array.length];
}
@Override
public boolean REMOVE(KEY_TYPE e) {
if(first == last) return false;
for(int i = 0,m=size();i<m;i++) {
int index = (first + i) % array.length;
if(e == array[index])
return removeIndex(index);
}
return false;
}
@Override
public boolean REMOVE_LAST(KEY_TYPE e) {
if(first == last) return false;
if(first == last) return false;
for(int i = size()-1;i>=0;i--) {
int index = (first + i) % array.length;
if(e == array[index])
return removeIndex(index);
}
return false;
}
protected boolean removeIndex(int index) {
if(first >= last ? index < first && index > last : index < first || index > last) return false;
if(index == first) {
#if TYPE_OBJECT
array[first] = null;
#endif
first++;
}
else if(index == last) {
last--;
#if TYPE_OBJECT
array[last] = null;
#endif
}
else if(index > last) {
System.arraycopy(array, first, array, first+1, (index - first));
#if TYPE_OBJECT
array[first] = null;
#endif
first = ++first % array.length;
}
else if(index < first) {
System.arraycopy(array, index+1, array, index, (last - index) - 1);
#if TYPE_OBJECT
array[last] = null;
#endif
if(--last < 0) last += array.length;
}
else {
if(index - first < last - index) {
System.arraycopy(array, first, array, first+1, (index - first));
#if TYPE_OBJECT
array[first] = null;
#endif
first = ++first % array.length;
}
else {
System.arraycopy(array, index+1, array, index, (last - index) - 1);
#if TYPE_OBJECT
array[last] = null;
#endif
if(--last < 0) last += array.length;
}
}
reduce();
return true;
}
@Override
public void onChanged() {}
@Override
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator() { return null; }
@Override
public boolean trim(int size) {
int newSize = Math.max(size, size());
if(newSize >= array.length) return false;
KEY_TYPE[] newArray = NEW_KEY_ARRAY(newSize);
if(first <= last) System.arraycopy(array, first, newArray, 0, last - first);
else {
System.arraycopy(array, first, newArray, 0, array.length - first);
System.arraycopy(array, 0, newArray, array.length - first, last);
}
first = 0;
last = size();
array = newArray;
return true;
}
@Override
public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] input) {
if(input == null || input.length < size()) input = NEW_KEY_ARRAY(size());
if (first <= last) System.arraycopy(array, first, input, 0, last - first);
else {
System.arraycopy(array, first, input, 0, array.length - first);
System.arraycopy(array, 0, input, array.length - first, last);
}
return input;
}
#if !TYPE_OBJECT
@Override
public CLASS_TYPE[] toArray(CLASS_TYPE[] input) {
if(input == null || input.length < size()) input = NEW_CLASS_ARRAY(size());
if (first <= last) {
for(int i = 0,m=last-first;i<m;i++)
input[i] = KEY_TO_OBJ(array[first + i]);
}
else {
int offset = 0;
for(int i = 0,m=array.length-first;i<m;i++,offset++)
input[i] = KEY_TO_OBJ(array[first + i]);
for(int i = 0;i<last;i++)
input[offset+i] = KEY_TO_OBJ(array[i]);
}
return input;
}
#endif
protected void reduce() {
final int size = size();
if (array.length > MIN_CAPACITY && size <= array.length / 4) resize(size, array.length / 2);
}
protected void expand() {
resize(array.length, (int)Math.min(MAX_ARRAY_SIZE, 2L * array.length));
}
protected final void resize(int oldSize, int newSize) {
KEY_TYPE[] newArray = NEW_KEY_ARRAY(newSize);
if(first >= last) {
if(oldSize != 0)
{
System.arraycopy(array, first, newArray, 0, array.length - first);
System.arraycopy(array, 0, newArray, array.length - first, last);
}
}
else System.arraycopy(array, first, newArray, 0, last-first);
first = 0;
last = oldSize;
array = newArray;
}
private class Iter implements ITERATOR KEY_GENERIC_TYPE
{
int index = first;
@Override
public boolean hasNext()
{
return index != last;
}
@Override
public KEY_TYPE NEXT() {
KEY_TYPE value = array[index];
removeIndex(index++);
return value;
}
}
}
@@ -0,0 +1,220 @@
package speiger.src.collections.PACKAGE.queues;
import java.util.Arrays;
import java.util.NoSuchElementException;
#if TYPE_OBJECT
import java.util.Comparator;
import java.util.Objects;
#endif
import speiger.src.collections.PACKAGE.collections.COLLECTION;
import speiger.src.collections.PACKAGE.collections.ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.PACKAGE.utils.ARRAYS;
public class ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE implements PRIORITY_QUEUE KEY_GENERIC_TYPE
{
protected transient KEY_TYPE[] array = EMPTY_KEY_ARRAY;
protected int size;
protected int firstIndex = -1;
protected COMPARATOR KEY_SUPER_GENERIC_TYPE comparator;
public ARRAY_PRIORITY_QUEUE() {
this(0, null);
}
public ARRAY_PRIORITY_QUEUE(COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this(0, comp);
}
public ARRAY_PRIORITY_QUEUE(int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
if(size > 0) array = NEW_KEY_ARRAY(size);
this.size = size;
comparator = comp;
}
public ARRAY_PRIORITY_QUEUE(KEY_TYPE[] array) {
this(array, array.length);
}
public ARRAY_PRIORITY_QUEUE(KEY_TYPE[] array, int size) {
this.array = Arrays.copyOf(array, size);
this.size = size;
}
public ARRAY_PRIORITY_QUEUE(KEY_TYPE[] array, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this(array, array.length, comp);
}
public ARRAY_PRIORITY_QUEUE(KEY_TYPE[] array, int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this.array = Arrays.copyOf(array, size);
this.size = size;
this.comparator = comp;
}
public ARRAY_PRIORITY_QUEUE(COLLECTION KEY_GENERIC_TYPE c) {
array = CAST_KEY_ARRAY c.TO_ARRAY();
size = c.size();
}
public ARRAY_PRIORITY_QUEUE(COLLECTION KEY_GENERIC_TYPE c, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
array = CAST_KEY_ARRAY c.TO_ARRAY();
size = c.size();
comparator = comp;
}
public static GENERIC_BRACES ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array) {
return wrap(array, array.length);
}
public static GENERIC_BRACES ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, int size) {
ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE queue = new ARRAY_PRIORITY_QUEUEBRACES();
queue.array = array;
queue.size = size;
return queue;
}
public static GENERIC_BRACES ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
return wrap(array, array.length, comp);
}
public static GENERIC_BRACES ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
ARRAY_PRIORITY_QUEUE KEY_GENERIC_TYPE queue = new ARRAY_PRIORITY_QUEUEBRACES(comp);
queue.array = array;
queue.size = size;
return queue;
}
@Override
public void ENQUEUE(KEY_TYPE e) {
if(size == array.length) array = Arrays.copyOf(array, size+1);
if(firstIndex != -1){
int compare = comparator == null ? COMPARE_TO_KEY(e, array[firstIndex]) : comparator.compare(e, array[firstIndex]);
if(compare < 0) firstIndex = size;
else if(compare > 0) firstIndex = -1;
}
array[size++] = e;
}
@Override
public KEY_TYPE DEQUEUE() {
if(size <= 0) throw new NoSuchElementException();
int index = findFirstIndex();
KEY_TYPE value = array[index];
if(index != --size) System.arraycopy(array, index+1, array, index, size - index);
#if TYPE_OBJECT
array[size] = null;
#endif
firstIndex = -1;
return value;
}
@Override
public KEY_TYPE PEEK(int index) {
if(index < 0 || index >= size) throw new NoSuchElementException();
return array[index];
}
@Override
public boolean REMOVE(KEY_TYPE e) {
for(int i = 0;i<size;i++)
if(EQUALS(e, array[i])) return removeIndex(i);
return false;
}
@Override
public boolean REMOVE_LAST(KEY_TYPE e) {
for(int i = size-1;i>=0;i--)
if(EQUALS(e, array[i])) return removeIndex(i);
return false;
}
protected boolean removeIndex(int index) {
if(index != --size) System.arraycopy(array, index+1, array, index, size - index);
#if TYPE_OBJECT
array[size] = null;
#endif
if(index == firstIndex) firstIndex = -1;
else if(index >= firstIndex) firstIndex--;
return true;
}
@Override
public void onChanged() {
firstIndex = -1;
}
@Override
public int size() {
return size;
}
@Override
public void clear() {
#if TYPE_OBJECT
Arrays.fill(array, null);
#endif
size = 0;
}
@Override
public ITERATOR KEY_GENERIC_TYPE iterator() {
return new Iter();
}
@Override
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator() {
return comparator;
}
@Override
public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] input) {
if(input == null || input.length < size()) input = NEW_KEY_ARRAY(size());
System.arraycopy(array, 0, input, 0, size());
return input;
}
#if !TYPE_OBJECT
@Override
public CLASS_TYPE[] toArray(CLASS_TYPE[] input) {
if(input == null || input.length < size()) input = new CLASS_TYPE[size()];
for(int i = 0;i<size;i++) input[i] = KEY_TO_OBJ(array[i]);
return input;
}
#endif
protected int findFirstIndex() {
if(firstIndex == -1) {
int index = size-1;
KEY_TYPE value = array[index];
if(comparator == null) {
for(int i = index;firstIndex == -1 && i>=0;i--) {
if(COMPARE_TO_KEY(array[i], value) < 0)
value = array[index = i];
}
}
else {
for(int i = index;firstIndex == -1 && i>=0;i--) {
if(comparator.compare(array[i], value) < 0)
value = array[index = i];
}
}
firstIndex = index;
}
return firstIndex;
}
public class Iter implements ITERATOR KEY_GENERIC_TYPE {
@Override
public boolean hasNext() {
return !isEmpty();
}
@Override
public KEY_TYPE NEXT() {
return DEQUEUE();
}
}
}
@@ -0,0 +1,199 @@
package speiger.src.collections.PACKAGE.queues;
import java.util.Arrays;
import java.util.NoSuchElementException;
#if TYPE_OBJECT
import java.util.Comparator;
import java.util.Objects;
#endif
import speiger.src.collections.PACKAGE.collections.COLLECTION;
import speiger.src.collections.PACKAGE.collections.ITERATOR;
#if !TYPE_OBJECT
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
#endif
import speiger.src.collections.PACKAGE.utils.ARRAYS;
public class HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE implements PRIORITY_QUEUE KEY_GENERIC_TYPE
{
protected transient KEY_TYPE[] array = EMPTY_KEY_ARRAY;
protected int size;
protected COMPARATOR KEY_SUPER_GENERIC_TYPE comparator;
public HEAP_PRIORITY_QUEUE() {
this(0, null);
}
public HEAP_PRIORITY_QUEUE(COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this(0, comp);
}
public HEAP_PRIORITY_QUEUE(int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
if(size > 0) array = NEW_KEY_ARRAY(size);
this.size = size;
comparator = comp;
}
public HEAP_PRIORITY_QUEUE(KEY_TYPE[] array) {
this(array, array.length);
}
public HEAP_PRIORITY_QUEUE(KEY_TYPE[] array, int size) {
this.array = Arrays.copyOf(array, size);
this.size = size;
ARRAYS.heapify(array, size, null);
}
public HEAP_PRIORITY_QUEUE(KEY_TYPE[] array, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this(array, array.length, comp);
}
public HEAP_PRIORITY_QUEUE(KEY_TYPE[] array, int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
this.array = Arrays.copyOf(array, size);
this.size = size;
comparator = comp;
ARRAYS.heapify(array, size, comp);
}
public HEAP_PRIORITY_QUEUE(COLLECTION KEY_GENERIC_TYPE c) {
array = CAST_KEY_ARRAY c.TO_ARRAY();
size = c.size();
ARRAYS.heapify(array, size, null);
}
public HEAP_PRIORITY_QUEUE(COLLECTION KEY_GENERIC_TYPE c, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
array = CAST_KEY_ARRAY c.TO_ARRAY();
size = c.size();
comparator = comp;
ARRAYS.heapify(array, size, comp);
}
public static GENERIC_BRACES HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array) {
return wrap(array, array.length);
}
public static GENERIC_BRACES HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, int size) {
HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE queue = new HEAP_PRIORITY_QUEUEBRACES();
queue.array = array;
queue.size = size;
ARRAYS.heapify(array, size, null);
return queue;
}
public static GENERIC_BRACES HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
return wrap(array, array.length, comp);
}
public static GENERIC_BRACES HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE wrap(KEY_TYPE[] array, int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
HEAP_PRIORITY_QUEUE KEY_GENERIC_TYPE queue = new HEAP_PRIORITY_QUEUEBRACES(comp);
queue.array = array;
queue.size = size;
ARRAYS.heapify(array, size, comp);
return queue;
}
@Override
public int size() {
return size;
}
@Override
public void clear() {
#if TYPE_OBJECT
Arrays.fill(array, null);
#endif
size = 0;
}
@Override
public ITERATOR KEY_GENERIC_TYPE iterator() {
return new Iter();
}
@Override
public void ENQUEUE(KEY_TYPE e) {
if(size == array.length) array = Arrays.copyOf(array, size + 1);
array[size++] = e;
ARRAYS.shiftUp(array, size-1, comparator);
}
@Override
public KEY_TYPE DEQUEUE() {
if(size <= 0) throw new NoSuchElementException();
KEY_TYPE value = array[0];
array[0] = array[--size];
#if TYPE_OBJECT
array[size] = null;
#endif
if(size != 0) ARRAYS.shiftDown(array, size, 0, comparator);
return value;
}
@Override
public KEY_TYPE PEEK(int index) {
if(index < 0 || index >= size) throw new NoSuchElementException();
return array[index];
}
@Override
public boolean REMOVE(KEY_TYPE e) {
for(int i = 0;i<size;i++)
if(EQUALS(e, array[i])) return removeIndex(i);
return false;
}
@Override
public boolean REMOVE_LAST(KEY_TYPE e) {
for(int i = size-1;i>=0;i--)
if(EQUALS(e, array[i])) return removeIndex(i);
return false;
}
protected boolean removeIndex(int index) {
array[index] = array[--size];
#if TYPE_OBJECT
array[size] = null;
#endif
if(size != index) ARRAYS.shiftDown(array, size, index, comparator);
return true;
}
@Override
public void onChanged() {
if(size <= 0) return;
ARRAYS.shiftDown(array, size, 0, comparator);
}
@Override
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator() {
return comparator;
}
@Override
public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] input) {
if(input == null || input.length < size()) input = NEW_KEY_ARRAY(size());
System.arraycopy(array, 0, input, 0, size());
return input;
}
#if !TYPE_OBJECT
@Override
public CLASS_TYPE[] toArray(CLASS_TYPE[] input) {
if(input == null || input.length < size()) input = new CLASS_TYPE[size()];
for(int i = 0;i<size;i++) input[i] = KEY_TO_OBJ(array[i]);
return input;
}
#endif
public class Iter implements ITERATOR KEY_GENERIC_TYPE {
@Override
public boolean hasNext() {
return !isEmpty();
}
@Override
public KEY_TYPE NEXT() {
return DEQUEUE();
}
}
}
@@ -0,0 +1,12 @@
package speiger.src.collections.PACKAGE.queues;
public interface PRIORITY_DEQUEUE KEY_GENERIC_TYPE extends PRIORITY_QUEUE KEY_GENERIC_TYPE
{
public void ENQUEUE_FIRST(KEY_TYPE e);
public KEY_TYPE DEQUEUE_LAST();
#if !TYPE_OBJECT
public default void enqueueFirst(CLASS_TYPE e) { ENQUEUE_FIRST(OBJ_TO_KEY(e)); }
public default CLASS_TYPE dequeueLast() { return KEY_TO_OBJ(DEQUEUE_LAST()); }
#endif
}
@@ -0,0 +1,58 @@
package speiger.src.collections.PACKAGE.queues;
#if TYPE_OBJECT
import java.util.Comparator;
#else
import speiger.src.collections.PACKAGE.collections.ITERABLE;
import speiger.src.collections.PACKAGE.functions.COMPARATOR;
import speiger.src.collections.objects.queues.ObjectPriorityQueue;
#endif
#if TYPE_OBJECT
public interface PRIORITY_QUEUE KEY_GENERIC_TYPE extends Iterable<KEY_TYPE>
#else
public interface PRIORITY_QUEUE KEY_GENERIC_TYPE extends ObjectPriorityQueue<CLASS_TYPE>, ITERABLE KEY_GENERIC_TYPE
#endif
{
#if TYPE_OBJECT
public default boolean isEmpty() { return size() <= 0; }
public int size();
public void clear();
#endif
public void ENQUEUE(KEY_TYPE e);
public KEY_TYPE DEQUEUE();
public KEY_TYPE PEEK(int index);
public default KEY_TYPE FIRST_KEY() { return peek(0); }
public default KEY_TYPE LAST_KEY() { return peek(size()-1); }
public boolean REMOVE(KEY_TYPE e);
public boolean REMOVE_LAST(KEY_TYPE e);
public void onChanged();
@PrimitiveOverride
public COMPARATOR KEY_SUPER_GENERIC_TYPE comparator();
public default KEY_TYPE[] TO_ARRAY() { return TO_ARRAY(NEW_KEY_ARRAY(size())); }
public KEY_TYPE[] TO_ARRAY(KEY_TYPE[] input);
#if !TYPE_OBJECT
public default void enqueue(CLASS_TYPE e) { ENQUEUE(OBJ_TO_KEY(e)); }
public default CLASS_TYPE dequeue() { return KEY_TO_OBJ(DEQUEUE()); }
public default CLASS_TYPE peek(int index) { return KEY_TO_OBJ(PEEK(index)); }
public default CLASS_TYPE first() { return peek(0); }
public default CLASS_TYPE last() { return peek(size()-1); }
public default boolean remove(CLASS_TYPE e) { return REMOVE(OBJ_TO_KEY(e)); }
public default boolean removeLast(CLASS_TYPE e) { return REMOVE_LAST(OBJ_TO_KEY(e)); }
@Deprecated
public default CLASS_TYPE[] toArray() { return toArray(new CLASS_TYPE[size()]); }
@Deprecated
public CLASS_TYPE[] toArray(CLASS_TYPE[] input);
#endif
}
@@ -14,11 +14,7 @@ public abstract class ABSTRACT_SET KEY_GENERIC_TYPE extends ABSTRACT_COLLECTION
int hashCode = 1;
ITERATOR KEY_GENERIC_TYPE i = iterator();
while(i.hasNext())
#if TYPE_OBJECT
hashCode = 31 * hashCode + i.next().hashCode();
#else
hashCode = 31 * hashCode + TO_HASH(i.NEXT());
#endif
return hashCode;
}
@@ -23,11 +23,7 @@ public class ARRAY_SET KEY_GENERIC_TYPE extends ABSTRACT_SET KEY_GENERIC_TYPE im
protected int size = 0;
public ARRAY_SET() {
#if TYPE_OBJECT
data = (KEY_TYPE[])ARRAYS.EMPTY_ARRAY;
#else
data = ARRAYS.EMPTY_ARRAY;
#endif
data = EMPTY_KEY_ARRAY;
}
public ARRAY_SET(int capacity) {
@@ -100,12 +100,70 @@ public class ARRAYS
* @param length the lenght the array should be.
* @return a Array with the requested type and length
*/
public static KEY_GENERIC_TYPE KEY_TYPE[] newArray(Class<KEY_TYPE> clz, int length) {
public static GENERIC_BRACES KEY_TYPE[] newArray(Class<KEY_TYPE> clz, int length) {
if(clz == Object.class) return (KEY_TYPE[])new Object[length];
return (KEY_TYPE[]) java.lang.reflect.Array.newInstance(clz, length);
}
#endif
public static GENERIC_BRACES int shiftDown(KEY_TYPE[] data, int size, int index, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
int half = size >>> 1;
KEY_TYPE value = data[index];
if(comp != null) {
while(index < half) {
int child = (index << 1) + 1;
KEY_TYPE childValue = data[child];
int right = child+1;
if(right < size && comp.compare(data[right], childValue) < 0) childValue = data[child = right];
if(comp.compare(value, childValue) <= 0) break;
data[index] = childValue;
index = child;
}
}
else {
while(index < half) {
int child = (index << 1) + 1;
KEY_TYPE childValue = data[child];
int right = child+1;
if(right < size && COMPARE_TO_KEY(data[right], childValue) < 0) childValue = data[child = right];
if(COMPARE_TO_KEY(value, childValue) <= 0) break;
data[index] = childValue;
index = child;
}
}
data[index] = value;
return index;
}
public static GENERIC_BRACES int shiftUp(KEY_TYPE[] data, int index, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
KEY_TYPE value = data[index];
if(comp != null) {
while(index > 0) {
int parent = (index - 1) >>> 1;
KEY_TYPE parentValue = data[parent];
if(comp.compare(value, parentValue) >= 0) break;
data[index] = parentValue;
index = parent;
}
}
else {
while(index > 0) {
int parent = (index - 1) >>> 1;
KEY_TYPE parentValue = data[parent];
if(COMPARE_TO_KEY(value, parentValue) >= 0) break;
data[index] = parentValue;
index = parent;
}
}
data[index] = value;
return index;
}
public static GENERIC_BRACES KEY_TYPE[] heapify(KEY_TYPE[] data, int size, COMPARATOR KEY_SUPER_GENERIC_TYPE comp) {
for(int i = (size >>> 1) - 1;i>=0;shiftDown(data, size, i--, comp));
return data;
}
public static GENERIC_BRACES KEY_TYPE[] shuffle(KEY_TYPE[] array) {
return shuffle(array, SanityChecks.getRandom());
}
@@ -0,0 +1,114 @@
package speiger.src.collections.ints.base;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import java.util.EnumSet;
import org.junit.Assert;
import org.junit.Test;
import speiger.src.collections.ints.queues.IntPriorityQueue;
import speiger.src.collections.tests.IterableTest;
import speiger.src.collections.tests.PriorityQueueTest;
public abstract class BaseIntPriorityQueueTest extends BaseIntIterableTest
{
@Override
protected abstract IntPriorityQueue create(int[] data);
@Override
protected EnumSet<IterableTest> getValidIterableTests() { return EnumSet.of(IterableTest.FOR_EACH, IterableTest.ITERATOR_FOR_EACH, IterableTest.ITERATOR_LOOP, IterableTest.ITERATOR_SKIP); }
protected EnumSet<PriorityQueueTest> getValidPriorityQueueTests() { return EnumSet.allOf(PriorityQueueTest.class); }
@Test
public void testEnqueue() {
if(getValidPriorityQueueTests().contains(PriorityQueueTest.IN_OUT)) {
IntPriorityQueue queue = create(EMPTY_ARRAY);
for(int i = 0;i<100;i++) {
queue.enqueueInt(i);
Assert.assertEquals(i, queue.lastInt());
}
for(int i = 0;i<100;i++) {
Assert.assertEquals(i, queue.firstInt());
Assert.assertEquals(99, queue.lastInt());
Assert.assertEquals(i, queue.dequeueInt());
}
}
}
@Test
public void testPeek() {
if(getValidPriorityQueueTests().contains(PriorityQueueTest.PEEK)) {
IntPriorityQueue queue = create(EMPTY_ARRAY);
for(int i = 0;i<100;i++) {
queue.enqueueInt(i);
Assert.assertEquals(i, queue.lastInt());
}
for(int i = 0;i<100;i++) {
assertEquals(i, queue.peekInt(i));
}
}
}
@Test
public void testRemove() {
if(getValidPriorityQueueTests().contains(PriorityQueueTest.REMOVE)) {
IntPriorityQueue queue = create(EMPTY_ARRAY);
for(int i = 0;i<100;i++) {
queue.enqueueInt(i);
Assert.assertEquals(i, queue.lastInt());
}
queue.removeInt(40);
for(int i = 0;i<99;i++) {
if(i >= 40) assertEquals(i + 1, queue.dequeueInt());
else assertEquals(i, queue.dequeueInt());
}
for(int i = 0;i<100;i++) {
queue.enqueueInt(i);
Assert.assertEquals(i, queue.lastInt());
}
queue.removeLastInt(40);
for(int i = 0;i<99;i++) {
if(i >= 40) assertEquals(i + 1, queue.dequeueInt());
else assertEquals(i, queue.dequeueInt());
}
}
}
@Test
@SuppressWarnings("deprecation")
public void testToArray() {
if(getValidPriorityQueueTests().contains(PriorityQueueTest.TO_ARRAY)) {
IntPriorityQueue q = create(EMPTY_ARRAY);
Integer[] ref = new Integer[100];
Integer[] shiftArray = new Integer[100];
int[] primRef = new int[100];
int[] shiftPrimArray = new int[100];
for(int i = 0; i < 100; i++) {
q.enqueue(i);
assertEquals(i, q.lastInt());
ref[i] = Integer.valueOf(i);
primRef[i] = i;
shiftPrimArray[(i+80) % 100] = i;
shiftArray[(i+80) % 100] = Integer.valueOf(i);
}
assertArrayEquals(q.toArray(), ref);
assertArrayEquals(q.toArray(new Integer[100]), ref);
assertArrayEquals(q.toArray(null), ref);
assertArrayEquals(q.toIntArray(), primRef);
assertArrayEquals(q.toIntArray(new int[100]), primRef);
assertArrayEquals(q.toIntArray(null), primRef);
IntPriorityQueue other = create(q.toIntArray());
for(int i = 0;i<100;i++) {
assertEquals(other.peekInt(i), primRef[i]);
}
for(int i = 0;i<20;i++) {
other.dequeueInt();
other.enqueue(i);
}
assertArrayEquals(other.toIntArray(), shiftPrimArray);
assertArrayEquals(other.toIntArray(new int[100]), shiftPrimArray);
assertArrayEquals(other.toArray(), shiftArray);
}
}
}
@@ -0,0 +1,9 @@
package speiger.src.collections.ints.queues;
import speiger.src.collections.ints.base.BaseIntPriorityQueueTest;
public class IntArrayFIFOQueueTests extends BaseIntPriorityQueueTest
{
@Override
protected IntPriorityQueue create(int[] data){return new IntArrayFIFOQueue(data);}
}
@@ -0,0 +1,9 @@
package speiger.src.collections.tests;
public enum PriorityQueueTest
{
IN_OUT,
PEEK,
REMOVE,
TO_ARRAY,
}