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Primitive-Collections
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New Features. 

-Added: ArrayList.of(CLASS, size) function that allows to preallocate
the size of the generic list.
-Updated: ListTests suppressors only suprres what they need to.
-Added: Start of the ConcurrentHashMap implementation (based on Guavas
implementation)

Note that the ConcurrentHashMap implementation is just started not
finished and still needs a lot of work, but the base code - any
subclasses is technically finished.
The implementation is also using linkedMaps to have faster iteration
performance.
This commit is contained in:
Speiger 2022-04-10 15:49:16 +02:00
parent 103b2407d2
commit 4f98c599df
6 changed files with 889 additions and 7 deletions
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2
build.gradle
View File

@ -48,7 +48,7 @@ configurations {
}
dependencies {
builderImplementation 'de.speiger:Simple-Code-Generator:1.0.6'
builderImplementation 'de.speiger:Simple-Code-Generator:1.0.7'
testImplementation 'junit:junit:4.12'
testImplementation 'com.google.guava:guava-testlib:31.0.1-jre'
}

1
src/builder/java/speiger/src/builder/GlobalVariables.java
View File

@ -174,6 +174,7 @@ public class GlobalVariables
addBiClassMapper("LINKED_CUSTOM_HASH_MAP", "LinkedOpenCustomHashMap", "2");
addBiClassMapper("LINKED_HASH_MAP", "LinkedOpenHashMap", "2");
addBiClassMapper("CUSTOM_HASH_MAP", "OpenCustomHashMap", "2");
addBiClassMapper("CONCURRENT_MAP", "ConcurrentOpenHashMap", "2");
addBiClassMapper("AVL_TREE_MAP", "AVLTreeMap", "2");
addBiClassMapper("RB_TREE_MAP", "RBTreeMap", "2");
addFunctionValueMappers("LINKED_ENUM_MAP", valueType.isObject() ? "LinkedEnum2ObjectMap" : "LinkedEnum2%sMap");

4
src/builder/java/speiger/src/builder/PrimitiveCollectionsBuilder.java
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@ -83,7 +83,7 @@ public class PrimitiveCollectionsBuilder extends TemplateProcessor
biRequired.put("Pair", "");
biRequired.put("MutablePair", "");
biRequired.put("ImmutablePair", "");
addBiClass("Function", "Maps", "Map", "SortedMap", "OrderedMap", "NavigableMap", "AbstractMap", "ImmutableOpenHashMap", "OpenHashMap", "LinkedOpenHashMap", "OpenCustomHashMap", "LinkedOpenCustomHashMap", "ArrayMap", "RBTreeMap", "AVLTreeMap");
addBiClass("Function", "Maps", "Map", "SortedMap", "OrderedMap", "NavigableMap", "AbstractMap", "ConcurrentOpenHashMap", "ImmutableOpenHashMap", "OpenHashMap", "LinkedOpenHashMap", "OpenCustomHashMap", "LinkedOpenCustomHashMap", "ArrayMap", "RBTreeMap", "AVLTreeMap");
nameRemapper.put("BiConsumer", "%sConsumer");
nameRemapper.put("IArray", "I%sArray");
nameRemapper.put("AbstractMap", "Abstract%sMap");
@ -100,7 +100,7 @@ public class PrimitiveCollectionsBuilder extends TemplateProcessor
addBlockage(ClassType.OBJECT, "Consumer", "Comparator", "Stack");
addBlockage(ClassType.BOOLEAN, "ArraySet", "AVLTreeSet", "RBTreeSet", "SortedSet", "OrderedSet", "NavigableSet", "OpenHashSet", "OpenCustomHashSet", "LinkedOpenHashSet", "LinkedOpenCustomHashSet");
addBlockage(ClassType.BOOLEAN, "ImmutableOpenHashMap", "ImmutableOpenHashSet", "SortedMap", "OrderedMap", "NavigableMap", "OpenHashMap", "LinkedOpenHashMap", "OpenCustomHashMap", "LinkedOpenCustomHashMap", "ArrayMap", "RBTreeMap", "AVLTreeMap");
addBlockage(ClassType.BOOLEAN, "ConcurrentOpenHashMap", "ImmutableOpenHashMap", "ImmutableOpenHashSet", "SortedMap", "OrderedMap", "NavigableMap", "OpenHashMap", "LinkedOpenHashMap", "OpenCustomHashMap", "LinkedOpenCustomHashMap", "ArrayMap", "RBTreeMap", "AVLTreeMap");
}
protected void create(ClassType mainType, ClassType subType)

13
src/builder/resources/speiger/assets/collections/templates/lists/ArrayList.template
View File

@ -187,6 +187,19 @@ public class ARRAY_LIST KEY_GENERIC_TYPE extends ABSTRACT_LIST KEY_GENERIC_TYPE
list.data = (KEY_TYPE[])ObjectArrays.newArray(c, 0);
return list;
}
/**
* Creates a new ArrayList with a EmptyObject array of the Type requested
* @param c the type of the array
* @param size the initial size of the backing array
* @Type(T)
* @return a typed List
*/
public static GENERIC_KEY_BRACES ARRAY_LIST KEY_GENERIC_TYPE of(Class<KEY_TYPE> c, int size) {
ARRAY_LIST KEY_GENERIC_TYPE list = new ARRAY_LISTBRACES();
list.data = (KEY_TYPE[])ObjectArrays.newArray(c, size);
return list;
}
#endif
/**

870
src/builder/resources/speiger/assets/collections/templates/maps/impl/concurrent/ConcurrentOpenHashMap.template Normal file
View File

@ -0,0 +1,870 @@
package speiger.src.collections.PACKAGE.maps.impl.concurrent;
import java.util.Arrays;
import java.util.Objects;
import java.util.concurrent.locks.ReentrantLock;
import speiger.src.collections.VALUE_PACKAGE.functions.VALUE_SUPPLIER;
import speiger.src.collections.VALUE_PACKAGE.functions.function.VALUE_UNARY_OPERATOR;
import speiger.src.collections.PACKAGE.functions.consumer.BI_CONSUMER;
import speiger.src.collections.PACKAGE.functions.function.FUNCTION;
#if !SAME_TYPE
import speiger.src.collections.PACKAGE.functions.function.UNARY_OPERATOR;
#endif
import speiger.src.collections.PACKAGE.maps.abstracts.ABSTRACT_MAP;
import speiger.src.collections.PACKAGE.maps.interfaces.MAP;
import speiger.src.collections.objects.sets.ObjectSet;
import speiger.src.collections.utils.HashUtil;
@SuppressWarnings("javadoc")
public class CONCURRENT_MAP KEY_VALUE_GENERIC_TYPE extends ABSTRACT_MAP KEY_VALUE_GENERIC_TYPE
{
private static final int MAX_SEGMENTS = 1 << 16;
protected transient Segment KEY_VALUE_GENERIC_TYPE[] segments;
protected transient int segmentShift;
protected transient int segmentMask;
public CONCURRENT_MAP(int minCapacity, float loadFactor, int concurrencyLevel) {
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");
if(concurrencyLevel < 0 || concurrencyLevel >= MAX_SEGMENTS) throw new IllegalStateException("concurrencyLevel has to be between 0 and 65536");
int segmentCount = HashUtil.nextPowerOfTwo(concurrencyLevel);
int shift = Integer.numberOfTrailingZeros(segmentCount);
segments = new Segment[segmentCount];
segmentShift = 32 - shift;
segmentMask = segmentCount - 1;
int segmentCapacity = minCapacity / segmentCount;
if(segmentCapacity * segmentCount < minCapacity) {
segmentCapacity++;
}
segmentCapacity = HashUtil.arraySize(segmentCapacity, loadFactor);
for(int i = 0;i<segmentCount;i++) {
segments[i] = new SegmentKV_BRACES(this, segmentCapacity, loadFactor, i == 0);
}
}
@Override
public VALUE_TYPE put(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).put(hash, key, value);
}
@Override
public VALUE_TYPE putIfAbsent(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).putIfAbsent(hash, key, value);
}
#if VALUE_PRIMITIVES
@Override
public VALUE_TYPE addTo(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).addTo(hash, key, value);
}
@Override
public VALUE_TYPE subFrom(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).subFrom(hash, key, value);
}
#endif
@Override
public VALUE_TYPE REMOVE_VALUE(KEY_TYPE key) {
int hash = getHashCode(key);
return getSegment(hash).remove(hash, key);
}
#if !TYPE_OBJECT || !VALUE_OBJECT
@Override
public boolean remove(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).remove(hash, key, value);
}
#endif
@Override
public boolean remove(Object key, Object value) {
int hash = getHashCode(key);
return getSegment(hash).remove(hash, key, value);
}
@Override
public VALUE_TYPE REMOVE_VALUEOrDefault(KEY_TYPE key, VALUE_TYPE defaultValue) {
int hash = getHashCode(key);
return getSegment(hash).removeOrDefault(hash, key, defaultValue);
}
@Override
public VALUE_TYPE GET_VALUE(KEY_TYPE key) {
int hash = getHashCode(key);
return getSegment(hash).get(hash, key);
}
@Override
public CLASS_VALUE_TYPE get(Object key) {
int hash = getHashCode(key);
return VALUE_TO_OBJ(getSegment(hash).get(hash, key));
}
#if TYPE_OBJECT && VALUE_OBJECT
@Override
public VALUE_TYPE getOrDefault(Object key, VALUE_TYPE defaultValue) {
int hash = getHashCode(key);
return getSegment(hash).getOrDefault(hash, key, defaultValue);
}
#else
@Override
public VALUE_TYPE getOrDefault(KEY_TYPE key, VALUE_TYPE defaultValue) {
int hash = getHashCode(key);
return getSegment(hash).getOrDefault(hash, key, defaultValue);
}
#endif
@Override
public void forEach(BI_CONSUMER KEY_VALUE_GENERIC_TYPE action) {
for(int i = 0,m=segments.length;i<m;i++) {
segments[i].forEach(action);
}
}
@Override
public CONCURRENT_MAP KEY_VALUE_GENERIC_TYPE copy() {
return null;//TODO implement
}
#if !TYPE_OBJECT
@Override
public boolean containsKey(KEY_TYPE key) {
int hash = getHashCode(key);
return getSegment(hash).containsKey(hash, key);
}
#endif
#if !VALUE_OBJECT
@Override
public boolean containsValue(VALUE_TYPE value) {
for(int i = 0,m=segments.length;i<m;i++) {
if(segments[i].containsValue(value)) return true;
}
return false;
}
#endif
@Override
public boolean replace(KEY_TYPE key, VALUE_TYPE oldValue, VALUE_TYPE newValue) {
int hash = getHashCode(key);
return getSegment(hash).replace(hash, key, oldValue, newValue);
}
@Override
public VALUE_TYPE replace(KEY_TYPE key, VALUE_TYPE value) {
int hash = getHashCode(key);
return getSegment(hash).replace(hash, key, value);
}
@Override
public VALUE_TYPE COMPUTE(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
Objects.requireNonNull(mappingFunction);
int hash = getHashCode(key);
return getSegment(hash).compute(hash, key, mappingFunction);
}
@Override
public VALUE_TYPE COMPUTE_IF_ABSENT(KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
Objects.requireNonNull(mappingFunction);
int hash = getHashCode(key);
return getSegment(hash).computeIfAbsent(hash, key, mappingFunction);
}
@Override
public VALUE_TYPE SUPPLY_IF_ABSENT(KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
Objects.requireNonNull(valueProvider);
int hash = getHashCode(key);
return getSegment(hash).supplyIfAbsent(hash, key, valueProvider);
}
@Override
public VALUE_TYPE COMPUTE_IF_PRESENT(KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
Objects.requireNonNull(mappingFunction);
int hash = getHashCode(key);
return getSegment(hash).computeIfPresent(hash, key, mappingFunction);
}
@Override
public VALUE_TYPE MERGE(KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) {
Objects.requireNonNull(mappingFunction);
int hash = getHashCode(key);
return getSegment(hash).merge(hash, key, value, mappingFunction);
}
@Override
public void clear() {
for(int i = 0,m=segments.length;i<m;i++) {
segments[i].clear();
}
}
@Override
public int size() {
long size = 0L;
for(int i = 0,m=segments.length;i<m;i++) {
size += segments[i].size;
}
return size > Integer.MAX_VALUE ? Integer.MAX_VALUE : 0;
}
@Override
public ObjectSet<MAP.Entry KEY_VALUE_GENERIC_TYPE> ENTRY_SET() {
return null;
}
protected Segment KEY_VALUE_GENERIC_TYPE getSegment(int hash) {
return segments[(hash >>> segmentShift) & segmentMask];
}
#if !TYPE_OBJECT
protected int getHashCode(KEY_TYPE key) {
return HashUtil.mix(KEY_TO_HASH(key));
}
#endif
protected int getHashCode(Object obj) {
return HashUtil.mix(Objects.hashCode(obj));
}
protected static class Segment KEY_VALUE_GENERIC_TYPE extends ReentrantLock
{
private static final long serialVersionUID = -446894977795760975L;
protected final CONCURRENT_MAP KEY_VALUE_GENERIC_TYPE map;
/** The Backing keys array */
protected transient KEY_TYPE[] keys;
/** The Backing values array */
protected transient VALUE_TYPE[] values;
/** The Backing array for links between nodes. Left 32 Bits => Previous Entry, Right 32 Bits => Next Entry */
protected transient long[] links;
/** The First Index in the Map */
protected int firstIndex = -1;
/** The Last Index in the Map */
protected int lastIndex = -1;
/** If a null value is present */
protected transient boolean containsNull;
/** Index of the Null Value */
protected transient int nullIndex;
/** Maximum amount of Values that can be stored before the array gets expanded usually 75% */
protected transient int maxFill;
/** Max Index that is allowed to be searched through nullIndex - 1 */
protected transient int mask;
/** Amount of Elements stored in the HashMap */
protected int size;
/** Minimum array size the Segment will be */
protected transient int minCapacity;
/** How full the Arrays are allowed to get before resize */
protected float loadFactor;
protected Segment(CONCURRENT_MAP KEY_VALUE_GENERIC_TYPE map, int minCapacity, float loadFactor, boolean isNullContainer) {
this.map = map;
this.minCapacity = minCapacity;
this.loadFactor = loadFactor;
mask = minCapacity - 1;
maxFill = Math.min((int)Math.ceil(minCapacity * loadFactor), minCapacity - 1);
nullIndex = isNullContainer ? minCapacity : -1;
int arraySize = minCapacity + (isNullContainer ? 1 : 0);
keys = NEW_KEY_ARRAY(arraySize);
values = NEW_VALUE_ARRAY(arraySize);
links = new long[arraySize];
}
protected VALUE_TYPE getDefaultReturnValue() {
return map.getDefaultReturnValue();
}
protected VALUE_TYPE put(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) {
insert(-slot-1, key, value);
return getDefaultReturnValue();
}
VALUE_TYPE oldValue = values[slot];
values[slot] = value;
return oldValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE putIfAbsent(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) {
insert(-slot-1, key, value);
return getDefaultReturnValue();
}
return values[slot];
}
finally {
unlock();
}
}
#if VALUE_PRIMITIVES
protected VALUE_TYPE addTo(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) {
insert(-slot-1, key, value);
return getDefaultReturnValue();
}
VALUE_TYPE oldValue = values[slot];
values[slot] += value;
return oldValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE subFrom(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) return getDefaultReturnValue();
VALUE_TYPE oldValue = values[slot];
values[slot] -= value;
if(value < 0 ? (values[slot] >= getDefaultReturnValue()) : (values[slot] <= getDefaultReturnValue())) removeIndex(slot);
return oldValue;
}
finally {
unlock();
}
}
#endif
#if !TYPE_OBJECT
protected boolean containsKey(int hash, KEY_TYPE key) {
return findIndex(hash, key) >= 0;
}
#endif
@Deprecated
protected boolean containsKey(int hash, Object key) {
return findIndex(hash, key) >= 0;
}
#if !VALUE_OBJECT
protected boolean containsValue(VALUE_TYPE value) {
int index = firstIndex;
while(index != -1) {
if(VALUE_EQUALS(values[index], value)) return true;
index = (int)links[index];
}
return false;
}
#endif
@Deprecated
protected boolean containsValue(Object value) {
int index = firstIndex;
while(index != -1) {
#if VALUE_OBJECT
if(VALUE_EQUALS(values[index], value)) return true;
#else
if((value == null && values[index] == getDefaultReturnValue()) || EQUALS_VALUE_TYPE(values[index], value)) return true;
#endif
index = (int)links[index];
}
return false;
}
#if !TYPE_OBJECT
protected VALUE_TYPE get(int hash, KEY_TYPE key) {
int slot = findIndex(hash, key);
return slot < 0 ? getDefaultReturnValue() : values[slot];
}
#endif
protected VALUE_TYPE get(int hash, Object key) {
int slot = findIndex(hash, key);
return slot < 0 ? getDefaultReturnValue() : values[slot];
}
#if TYPE_OBJECT && VALUE_OBJECT
public VALUE_TYPE getOrDefault(int hash, Object key, VALUE_TYPE defaultValue) {
int slot = findIndex(hash, key);
return slot < 0 ? defaultValue : values[slot];
}
#else
protected VALUE_TYPE getOrDefault(int hash, KEY_TYPE key, VALUE_TYPE defaultValue) {
int slot = findIndex(hash, key);
return slot < 0 ? defaultValue : values[slot];
}
#endif
protected void forEach(BI_CONSUMER KEY_VALUE_GENERIC_TYPE action) {
int index = firstIndex;
while(index != -1) {
action.accept(keys[index], values[index]);
index = (int)links[index];
}
}
#if !TYPE_OBJECT
protected VALUE_TYPE remove(int hash, KEY_TYPE key) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) return getDefaultReturnValue();
return removeIndex(slot);
}
finally {
unlock();
}
}
#endif
protected VALUE_TYPE removeOrDefault(int hash, KEY_TYPE key, VALUE_TYPE defaultValue) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) return defaultValue;
return removeIndex(slot);
}
finally {
unlock();
}
}
protected CLASS_VALUE_TYPE remove(int hash, Object key) {
lock();
try {
int slot = findIndex(hash, key);
if(slot < 0) return VALUE_TO_OBJ(getDefaultReturnValue());
return VALUE_TO_OBJ(removeIndex(slot));
}
finally {
unlock();
}
}
#if !TYPE_OBJECT || !VALUE_OBJECT
protected boolean remove(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
if(KEY_EQUALS_NULL(key)) {
if(containsNull && VALUE_EQUALS(value, values[nullIndex])) {
removeNullIndex();
return true;
}
return false;
}
int pos = hash & mask;
KEY_TYPE current = keys[pos];
if(KEY_EQUALS_NULL(current)) return false;
if(KEY_EQUALS(current, key) && VALUE_EQUALS(value, values[pos])) {
removeIndex(pos);
return true;
}
while(true) {
if(KEY_EQUALS_NULL((current = keys[pos = (++pos & mask)]))) return false;
else if(KEY_EQUALS(current, key) && VALUE_EQUALS(value, values[pos])) {
removeIndex(pos);
return true;
}
}
}
finally {
unlock();
}
}
#endif
protected boolean remove(int hash, Object key, Object value) {
if(key == null) {
if(containsNull && EQUALS_VALUE_TYPE(values[nullIndex], value)) {
removeNullIndex();
return true;
}
return false;
}
int pos = hash & mask;
KEY_TYPE current = keys[pos];
if(KEY_EQUALS_NULL(current)) return false;
if(EQUALS_KEY_TYPE(current, key) && EQUALS_VALUE_TYPE(values[pos], value)) {
removeIndex(pos);
return true;
}
while(true) {
if(KEY_EQUALS_NULL((current = keys[pos = (++pos & mask)]))) return false;
else if(EQUALS_KEY_TYPE(current, key) && EQUALS_VALUE_TYPE(values[pos], value)){
removeIndex(pos);
return true;
}
}
}
protected boolean replace(int hash, KEY_TYPE key, VALUE_TYPE oldValue, VALUE_TYPE newValue) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0 || values[index] != oldValue) return false;
values[index] = newValue;
return true;
}
finally {
unlock();
}
}
protected VALUE_TYPE replace(int hash, KEY_TYPE key, VALUE_TYPE value) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0) return getDefaultReturnValue();
VALUE_TYPE oldValue = values[index];
values[index] = value;
return oldValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE compute(int hash, KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0) {
VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, getDefaultReturnValue());
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
insert(-index-1, key, newValue);
return newValue;
}
VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
removeIndex(index);
return newValue;
}
values[index] = newValue;
return newValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE computeIfAbsent(int hash, KEY_TYPE key, FUNCTION KEY_VALUE_GENERIC_TYPE mappingFunction) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0) {
VALUE_TYPE newValue = mappingFunction.GET_VALUE(key);
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
insert(-index-1, key, newValue);
return newValue;
}
VALUE_TYPE newValue = values[index];
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
newValue = mappingFunction.GET_VALUE(key);
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
values[index] = newValue;
}
return newValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE supplyIfAbsent(int hash, KEY_TYPE key, VALUE_SUPPLIER VALUE_GENERIC_TYPE valueProvider) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0) {
VALUE_TYPE newValue = valueProvider.VALUE_GET_KEY();
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
insert(-index-1, key, newValue);
return newValue;
}
VALUE_TYPE newValue = values[index];
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
newValue = valueProvider.VALUE_GET_KEY();
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) return newValue;
values[index] = newValue;
}
return newValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE computeIfPresent(int hash, KEY_TYPE key, UNARY_OPERATOR KEY_VALUE_GENERIC_TYPE mappingFunction) {
lock();
try {
int index = findIndex(hash, key);
if(index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue())) return getDefaultReturnValue();
VALUE_TYPE newValue = mappingFunction.APPLY_VALUE(key, values[index]);
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
removeIndex(index);
return newValue;
}
values[index] = newValue;
return newValue;
}
finally {
unlock();
}
}
protected VALUE_TYPE merge(int hash, KEY_TYPE key, VALUE_TYPE value, VALUE_UNARY_OPERATOR VALUE_VALUE_GENERIC_TYPE mappingFunction) {
lock();
try {
int index = findIndex(hash, key);
VALUE_TYPE newValue = index < 0 || VALUE_EQUALS(values[index], getDefaultReturnValue()) ? value : mappingFunction.APPLY_VALUE(values[index], value);
if(VALUE_EQUALS(newValue, getDefaultReturnValue())) {
if(index >= 0)
removeIndex(index);
}
else if(index < 0) insert(-index-1, key, newValue);
else values[index] = newValue;
return newValue;
}
finally {
unlock();
}
}
protected void clear() {
if(size == 0) return;
lock();
try {
size = 0;
containsNull = false;
Arrays.fill(keys, EMPTY_KEY_VALUE);
Arrays.fill(values, EMPTY_VALUE);
}
finally {
unlock();
}
}
protected boolean trim(int size) {
int request = Math.max(minCapacity, HashUtil.nextPowerOfTwo((int)Math.ceil(size / loadFactor)));
if(request >= size || this.size > Math.min((int)Math.ceil(request * loadFactor), request - 1)) return false;
lock();
try {
try {
rehash(request);
}
catch(OutOfMemoryError noMemory) { return false; }
return true;
}
finally {
unlock();
}
}
protected void clearAndTrim(int size) {
int request = Math.max(minCapacity, HashUtil.nextPowerOfTwo((int)Math.ceil(size / loadFactor)));
if(request >= size) {
clear();
return;
}
lock();
try {
if(nullIndex != -1) {
nullIndex = request;
}
mask = request-1;
maxFill = Math.min((int)Math.ceil(request * loadFactor), request - 1);
int arraySize = request + (nullIndex != -1 ? 1 : 0);
keys = NEW_KEY_ARRAY(arraySize);
values = NEW_VALUE_ARRAY(arraySize);
links = new long[arraySize];
this.size = 0;
containsNull = false;
}
finally {
unlock();
}
}
protected void insert(int slot, KEY_TYPE key, VALUE_TYPE value) {
if(slot == nullIndex) containsNull = true;
keys[slot] = key;
values[slot] = value;
if(size == 0) {
firstIndex = lastIndex = slot;
links[slot] = -1L;
}
else {
links[lastIndex] ^= ((links[lastIndex] ^ (slot & 0xFFFFFFFFL)) & 0xFFFFFFFFL);
links[slot] = ((lastIndex & 0xFFFFFFFFL) << 32) | 0xFFFFFFFFL;
lastIndex = slot;
}
if(size++ >= maxFill) rehash(HashUtil.arraySize(size+1, loadFactor));
}
protected VALUE_TYPE removeIndex(int pos) {
if(pos == nullIndex) return containsNull ? removeNullIndex() : getDefaultReturnValue();
VALUE_TYPE value = values[pos];
keys[pos] = EMPTY_KEY_VALUE;
values[pos] = EMPTY_VALUE;
size--;
onNodeRemoved(pos);
shiftKeys(pos);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return value;
}
protected VALUE_TYPE removeNullIndex() {
VALUE_TYPE value = values[nullIndex];
containsNull = false;
keys[nullIndex] = EMPTY_KEY_VALUE;
values[nullIndex] = EMPTY_VALUE;
size--;
onNodeRemoved(nullIndex);
if(nullIndex > minCapacity && size < maxFill / 4 && nullIndex > HashUtil.DEFAULT_MIN_CAPACITY) rehash(nullIndex / 2);
return value;
}
#if !TYPE_OBJECT
protected int findIndex(int hash, KEY_TYPE key) {
if(KEY_EQUALS_NULL(key)) return containsNull ? nullIndex : -(nullIndex + 1);
int pos = hash & mask;
KEY_TYPE current = keys[pos];
if(KEY_EQUALS_NOT_NULL(current)) {
if(KEY_EQUALS(current, key)) return pos;
while(KEY_EQUALS_NOT_NULL((current = keys[pos = (++pos & mask)])))
if(KEY_EQUALS(current, key)) return pos;
}
return -(pos + 1);
}
#endif
protected int findIndex(int hash, Object key) {
if(key == null) return containsNull ? nullIndex : -(nullIndex + 1);
int pos = hash & mask;
KEY_TYPE current = keys[pos];
if(KEY_EQUALS_NOT_NULL(current)) {
if(EQUALS_KEY_TYPE(current, key)) return pos;
while(KEY_EQUALS_NOT_NULL((current = keys[pos = (++pos & mask)])))
if(EQUALS_KEY_TYPE(current, key)) return pos;
}
return -(pos + 1);
}
protected void shiftKeys(int startPos) {
int slot, last;
KEY_TYPE current;
while(true) {
startPos = ((last = startPos) + 1) & mask;
while(true){
if(KEY_EQUALS_NULL((current = keys[startPos]))) {
keys[last] = EMPTY_KEY_VALUE;
values[last] = EMPTY_VALUE;
return;
}
slot = HashUtil.mix(KEY_TO_HASH(current)) & mask;
if(last <= startPos ? (last >= slot || slot > startPos) : (last >= slot && slot > startPos)) break;
startPos = ++startPos & mask;
}
keys[last] = current;
values[last] = values[startPos];
onNodeMoved(startPos, last);
}
}
protected void rehash(int newSize) {
int newMask = newSize - 1;
int arraySize = newSize + (nullIndex != -1 ? 1 : 0);
KEY_TYPE[] newKeys = NEW_KEY_ARRAY(arraySize);
VALUE_TYPE[] newValues = NEW_VALUE_ARRAY(arraySize);
long[] newLinks = new long[arraySize];
int i = firstIndex, prev = -1, newPrev = -1, pos;
firstIndex = -1;
for(int j = size; j-- != 0;) {
if(KEY_EQUALS_NULL(keys[i])) pos = newSize;
else {
pos = HashUtil.mix(KEY_TO_HASH(keys[i])) & newMask;
while(KEY_EQUALS_NOT_NULL(newKeys[pos])) pos = ++pos & newMask;
}
newKeys[pos] = keys[i];
newValues[pos] = values[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;
if(nullIndex != -1) {
nullIndex = newSize;
}
mask = newMask;
maxFill = Math.min((int)Math.ceil(newSize * loadFactor), newSize - 1);
keys = newKeys;
values = newValues;
}
protected void onNodeRemoved(int pos) {
if(size == 0) firstIndex = lastIndex = -1;
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[lastIndex] |= 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);
}
}
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;
}
}
}
}

6
src/test/java/speiger/src/collections/objects/list/ObjectListTests.java
View File

@ -11,7 +11,6 @@ import com.google.common.collect.testing.TestStringListGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.ListFeature;
import com.google.common.collect.testing.testers.CollectionSpliteratorTester;
import com.google.common.collect.testing.testers.ListListIteratorTester;
import com.google.common.collect.testing.testers.ListSubListTester;
@ -78,8 +77,7 @@ public class ObjectListTests extends TestCase
}).named(name).withFeatures(CollectionFeature.ALLOWS_NULL_VALUES, CollectionSize.ANY).createTestSuite();
}
public static Collection<Method> suppressForCopyOnWriteArrayList()
{
return Arrays.asList(ListSubListTester.getSubListOriginalListSetAffectsSubListMethod(), ListSubListTester.getSubListOriginalListSetAffectsSubListLargeListMethod(), ListSubListTester.getSubListSubListRemoveAffectsOriginalLargeListMethod(), ListListIteratorTester.getListIteratorFullyModifiableMethod(), CollectionSpliteratorTester.getSpliteratorNotImmutableCollectionAllowsAddMethod(), CollectionSpliteratorTester.getSpliteratorNotImmutableCollectionAllowsRemoveMethod());
public static Collection<Method> suppressForCopyOnWriteArrayList() {
return Arrays.asList(ListSubListTester.getSubListSubListRemoveAffectsOriginalLargeListMethod(), ListListIteratorTester.getListIteratorFullyModifiableMethod());
}
}