package org.eclipse.collections.impl.map.mutable.primitive;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.lang.reflect.Array;
import java.util.Arrays;
import java.util.Collection;
import java.util.Iterator;
import java.util.NoSuchElementException;
import java.util.Set;
import org.eclipse.collections.api.DoubleIterable;
import org.eclipse.collections.api.LazyDoubleIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableDoubleBag;
import org.eclipse.collections.api.block.function.primitive.DoubleFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleFunction0;
import org.eclipse.collections.api.block.function.primitive.DoubleToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectDoubleToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectDoubleToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.DoublePredicate;
import org.eclipse.collections.api.block.predicate.primitive.ObjectDoublePredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.DoubleProcedure;
import org.eclipse.collections.api.block.procedure.primitive.ObjectDoubleProcedure;
import org.eclipse.collections.api.collection.MutableCollection;
import org.eclipse.collections.api.collection.primitive.ImmutableDoubleCollection;
import org.eclipse.collections.api.collection.primitive.MutableDoubleCollection;
import org.eclipse.collections.api.iterator.DoubleIterator;
import org.eclipse.collections.api.iterator.MutableDoubleIterator;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.list.primitive.MutableDoubleList;
import org.eclipse.collections.api.map.primitive.ImmutableObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.MutableObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.MutableDoubleObjectMap;
import org.eclipse.collections.api.map.primitive.ObjectDoubleMap;
import org.eclipse.collections.api.set.primitive.DoubleSet;
import org.eclipse.collections.api.set.primitive.MutableDoubleSet;
import org.eclipse.collections.api.tuple.primitive.ObjectDoublePair;
import org.eclipse.collections.impl.bag.mutable.primitive.DoubleHashBag;
import org.eclipse.collections.impl.collection.mutable.primitive.SynchronizedDoubleCollection;
import org.eclipse.collections.impl.collection.mutable.primitive.UnmodifiableDoubleCollection;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.lazy.AbstractLazyIterable;
import org.eclipse.collections.impl.factory.primitive.DoubleBags;
import org.eclipse.collections.impl.factory.primitive.DoubleLists;
import org.eclipse.collections.impl.factory.primitive.ObjectDoubleMaps;
import org.eclipse.collections.impl.factory.primitive.DoubleObjectMaps;
import org.eclipse.collections.impl.lazy.primitive.LazyDoubleIterableAdapter;
import org.eclipse.collections.impl.list.mutable.FastList;
import org.eclipse.collections.impl.list.mutable.primitive.DoubleArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.DoubleHashSet;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples;
public class ObjectDoubleHashMap<K> implements MutableObjectDoubleMap<K>, Externalizable
{
public static final double EMPTY_VALUE = 0.0;
private static final long serialVersionUID = 1L;
private static final int DEFAULT_INITIAL_CAPACITY = 8;
private static final Object NULL_KEY = new Object()
{
@Override
public boolean equals(Object obj)
{
throw new RuntimeException("Possible corruption through unsynchronized concurrent modification.");
}
@Override
public int hashCode()
{
throw new RuntimeException("Possible corruption through unsynchronized concurrent modification.");
}
@Override
public String toString()
{
return "ObjectDoubleHashMap.NULL_KEY";
}
};
private static final Object REMOVED_KEY = new Object()
{
@Override
public boolean equals(Object obj)
{
throw new RuntimeException("Possible corruption through unsynchronized concurrent modification.");
}
@Override
public int hashCode()
{
throw new RuntimeException("Possible corruption through unsynchronized concurrent modification.");
}
@Override
public String toString()
{
return "ObjectDoubleHashMap.REMOVED_KEY";
}
};
private Object[] keys;
private double[] values;
private int occupiedWithData;
private int occupiedWithSentinels;
public ObjectDoubleHashMap()
{
this.allocateTable(DEFAULT_INITIAL_CAPACITY << 1);
}
public ObjectDoubleHashMap(int initialCapacity)
{
if (initialCapacity < 0)
{
throw new IllegalArgumentException("initial capacity cannot be less than 0");
}
int capacity = this.smallestPowerOfTwoGreaterThan(this.fastCeil(initialCapacity << 1));
this.allocateTable(capacity);
}
public ObjectDoubleHashMap(ObjectDoubleMap<? extends K> map)
{
this(Math.max(map.size(), DEFAULT_INITIAL_CAPACITY));
this.putAll(map);
}
public static <K> ObjectDoubleHashMap<K> newMap()
{
return new ObjectDoubleHashMap<>();
}
public static <K> ObjectDoubleHashMap<K> newWithKeysValues(K key1, double value1)
{
return new ObjectDoubleHashMap<K>(1).withKeyValue(key1, value1);
}
public static <K> ObjectDoubleHashMap<K> newWithKeysValues(K key1, double value1, K key2, double value2)
{
return new ObjectDoubleHashMap<K>(2).withKeysValues(key1, value1, key2, value2);
}
public static <K> ObjectDoubleHashMap<K> newWithKeysValues(K key1, double value1, K key2, double value2, K key3, double value3)
{
return new ObjectDoubleHashMap<K>(3).withKeysValues(key1, value1, key2, value2, key3, value3);
}
public static <K> ObjectDoubleHashMap<K> newWithKeysValues(K key1, double value1, K key2, double value2, K key3, double value3, K key4, double value4)
{
return new ObjectDoubleHashMap<K>(4).withKeysValues(key1, value1, key2, value2, key3, value3, key4, value4);
}
private int smallestPowerOfTwoGreaterThan(int n)
{
return n > 1 ? Integer.highestOneBit(n - 1) << 1 : 1;
}
private int fastCeil(float v)
{
int possibleResult = (int) v;
if (v - possibleResult > 0.0F)
{
possibleResult++;
}
return possibleResult;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (!(obj instanceof ObjectDoubleMap))
{
return false;
}
ObjectDoubleMap<K> other = (ObjectDoubleMap<K>) obj;
if (this.size() != other.size())
{
return false;
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && (!other.containsKey(this.toNonSentinel(this.keys[i])) || Double.compare(this.values[i], other.getOrThrow(this.toNonSentinel(this.keys[i]))) != 0))
{
return false;
}
}
return true;
}
@Override
public int hashCode()
{
int result = 0;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result += (this.toNonSentinel(this.keys[i]) == null ? 0 : this.keys[i].hashCode()) ^ (int) (Double.doubleToLongBits(this.values[i]) ^ Double.doubleToLongBits(this.values[i]) >>> 32);
}
}
return result;
}
@Override
public String toString()
{
StringBuilder appendable = new StringBuilder();
appendable.append("{");
boolean first = true;
for (int i = 0; i < this.keys.length; i++)
{
Object key = this.keys[i];
if (isNonSentinel(key))
{
if (!first)
{
appendable.append(", ");
}
appendable.append(this.toNonSentinel(key)).append("=").append(this.values[i]);
first = false;
}
}
appendable.append("}");
return appendable.toString();
}
@Override
public int size()
{
return this.occupiedWithData;
}
@Override
public boolean isEmpty()
{
return this.size() == 0;
}
@Override
public boolean notEmpty()
{
return this.size() != 0;
}
@Override
public String makeString()
{
return this.makeString(", ");
}
@Override
public String makeString(String separator)
{
return this.makeString("", separator, "");
}
@Override
public String makeString(String start, String separator, String end)
{
Appendable stringBuilder = new StringBuilder();
this.appendString(stringBuilder, start, separator, end);
return stringBuilder.toString();
}
@Override
public void appendString(Appendable appendable)
{
this.appendString(appendable, ", ");
}
@Override
public void appendString(Appendable appendable, String separator)
{
this.appendString(appendable, "", separator, "");
}
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
try
{
appendable.append(start);
boolean first = true;
for (int i = 0; i < this.keys.length; i++)
{
Object key = this.keys[i];
if (isNonSentinel(key))
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(String.valueOf(this.values[i])));
first = false;
}
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
@Override
public MutableDoubleIterator doubleIterator()
{
return new InternalDoubleIterator();
}
@Override
public double[] toArray()
{
double[] result = new double[this.size()];
int index = 0;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result[index] = this.values[i];
index++;
}
}
return result;
}
@Override
public double[] toArray(double[] target)
{
if (target.length < this.size())
{
target = new double[this.size()];
}
int index = 0;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
target[index] = this.values[i];
index++;
}
}
return target;
}
@Override
public boolean contains(double value)
{
return this.containsValue(value);
}
@Override
public boolean containsAll(double... source)
{
for (double item : source)
{
if (!this.containsValue(item))
{
return false;
}
}
return true;
}
@Override
public boolean containsAll(DoubleIterable source)
{
return this.containsAll(source.toArray());
}
@Override
public void clear()
{
this.occupiedWithData = 0;
this.occupiedWithSentinels = 0;
Arrays.fill(this.keys, null);
Arrays.fill(this.values, EMPTY_VALUE);
}
@Override
public void put(K key, double value)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
this.values[index] = value;
return;
}
this.addKeyValueAtIndex(key, value, index);
}
@Override
public void putAll(ObjectDoubleMap<? extends K> map)
{
map.forEachKeyValue(this::put);
}
@Override
public void updateValues(ObjectDoubleToDoubleFunction<? super K> function)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
this.values[i] = function.valueOf(this.toNonSentinel(this.keys[i]), this.values[i]);
}
}
}
@Override
public void removeKey(K key)
{
int index = this.probe(key);
this.removeKeyAtIndex(key, index);
}
private void removeKeyAtIndex(K key, int index)
{
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
this.keys[index] = REMOVED_KEY;
this.values[index] = EMPTY_VALUE;
this.occupiedWithData--;
this.occupiedWithSentinels++;
}
}
@Override
public void remove(Object key)
{
this.removeKey((K) key);
}
@Override
public double removeKeyIfAbsent(K key, double value)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
this.keys[index] = REMOVED_KEY;
double oldValue = this.values[index];
this.values[index] = EMPTY_VALUE;
this.occupiedWithData--;
this.occupiedWithSentinels++;
return oldValue;
}
return value;
}
@Override
public double getIfAbsentPut(K key, double value)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
return this.values[index];
}
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public double getIfAbsentPut(K key, DoubleFunction0 function)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
return this.values[index];
}
double value = function.value();
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public <P> double getIfAbsentPutWith(K key, DoubleFunction<? super P> function, P parameter)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
return this.values[index];
}
double value = function.doubleValueOf(parameter);
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public double getIfAbsentPutWithKey(K key, DoubleFunction<? super K> function)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
return this.values[index];
}
double value = function.doubleValueOf(key);
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public double updateValue(K key, double initialValueIfAbsent, DoubleToDoubleFunction function)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
this.values[index] = function.valueOf(this.values[index]);
return this.values[index];
}
double value = function.valueOf(initialValueIfAbsent);
this.addKeyValueAtIndex(key, value, index);
return value;
}
private void addKeyValueAtIndex(K key, double value, int index)
{
if (this.keys[index] == REMOVED_KEY)
{
--this.occupiedWithSentinels;
}
this.keys[index] = toSentinelIfNull(key);
this.values[index] = value;
++this.occupiedWithData;
if (this.occupiedWithData + this.occupiedWithSentinels > this.maxOccupiedWithData())
{
this.rehashAndGrow();
}
}
@Override
public double addToValue(K key, double toBeAdded)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
this.values[index] += toBeAdded;
return this.values[index];
}
this.addKeyValueAtIndex(key, toBeAdded, index);
return toBeAdded;
}
@Override
public ObjectDoubleHashMap<K> withKeyValue(K key1, double value1)
{
this.put(key1, value1);
return this;
}
public ObjectDoubleHashMap<K> withKeysValues(K key1, double value1, K key2, double value2)
{
this.put(key1, value1);
this.put(key2, value2);
return this;
}
public ObjectDoubleHashMap<K> withKeysValues(K key1, double value1, K key2, double value2, K key3, double value3)
{
this.put(key1, value1);
this.put(key2, value2);
this.put(key3, value3);
return this;
}
public ObjectDoubleHashMap<K> withKeysValues(K key1, double value1, K key2, double value2, K key3, double value3, K key4, double value4)
{
this.put(key1, value1);
this.put(key2, value2);
this.put(key3, value3);
this.put(key4, value4);
return this;
}
@Override
public ObjectDoubleHashMap<K> withoutKey(K key)
{
this.removeKey(key);
return this;
}
@Override
public ObjectDoubleHashMap<K> withoutAllKeys(Iterable<? extends K> keys)
{
for (K key : keys)
{
this.removeKey(key);
}
return this;
}
@Override
public MutableObjectDoubleMap<K> asUnmodifiable()
{
return new UnmodifiableObjectDoubleMap<>(this);
}
@Override
public MutableObjectDoubleMap<K> asSynchronized()
{
return new SynchronizedObjectDoubleMap<>(this);
}
@Override
public ImmutableObjectDoubleMap<K> toImmutable()
{
return ObjectDoubleMaps.immutable.withAll(this);
}
@Override
public double get(Object key)
{
return this.getIfAbsent(key, EMPTY_VALUE);
}
@Override
public double getOrThrow(Object key)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]))
{
return this.values[index];
}
throw new IllegalStateException("Key " + key + " not present.");
}
@Override
public double getIfAbsent(Object key, double ifAbsent)
{
int index = this.probe(key);
if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
{
return this.values[index];
}
return ifAbsent;
}
@Override
public boolean containsKey(Object key)
{
int index = this.probe(key);
return isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key);
}
@Override
public boolean containsValue(double value)
{
for (int i = 0; i < this.values.length; i++)
{
if (isNonSentinel(this.keys[i]) && Double.compare(this.values[i], value) == 0)
{
return true;
}
}
return false;
}
@Override
public void forEach(DoubleProcedure procedure)
{
this.each(procedure);
}
@Override
public void each(DoubleProcedure procedure)
{
this.forEachValue(procedure);
}
@Override
public void forEachValue(DoubleProcedure procedure)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
procedure.value(this.values[i]);
}
}
}
@Override
public void forEachKey(Procedure<? super K> procedure)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
procedure.value(this.toNonSentinel(this.keys[i]));
}
}
}
@Override
public void forEachKeyValue(ObjectDoubleProcedure<? super K> procedure)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
procedure.value(this.toNonSentinel(this.keys[i]), this.values[i]);
}
}
}
@Override
public ObjectDoubleHashMap<K> select(ObjectDoublePredicate<? super K> predicate)
{
ObjectDoubleHashMap<K> result = ObjectDoubleHashMap.newMap();
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.toNonSentinel(this.keys[i]), this.values[i]))
{
result.put(this.toNonSentinel(this.keys[i]), this.values[i]);
}
}
return result;
}
@Override
public ObjectDoubleHashMap<K> reject(ObjectDoublePredicate<? super K> predicate)
{
ObjectDoubleHashMap<K> result = ObjectDoubleHashMap.newMap();
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && !predicate.accept(this.toNonSentinel(this.keys[i]), this.values[i]))
{
result.put(this.toNonSentinel(this.keys[i]), this.values[i]);
}
}
return result;
}
@Override
public MutableDoubleCollection select(DoublePredicate predicate)
{
DoubleArrayList result = new DoubleArrayList();
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.values[i]))
{
result.add(this.values[i]);
}
}
return result;
}
@Override
public MutableDoubleCollection reject(DoublePredicate predicate)
{
DoubleArrayList result = new DoubleArrayList();
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && !predicate.accept(this.values[i]))
{
result.add(this.values[i]);
}
}
return result;
}
@Override
public double detectIfNone(DoublePredicate predicate, double ifNone)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.values[i]))
{
return this.values[i];
}
}
return ifNone;
}
@Override
public <V> MutableCollection<V> collect(DoubleToObjectFunction<? extends V> function)
{
MutableList<V> result = FastList.newList(this.size());
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result.add(function.valueOf(this.values[i]));
}
}
return result;
}
@Override
public int count(DoublePredicate predicate)
{
int count = 0;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.values[i]))
{
count++;
}
}
return count;
}
@Override
public boolean anySatisfy(DoublePredicate predicate)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.values[i]))
{
return true;
}
}
return false;
}
@Override
public boolean allSatisfy(DoublePredicate predicate)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && !predicate.accept(this.values[i]))
{
return false;
}
}
return true;
}
@Override
public boolean noneSatisfy(DoublePredicate predicate)
{
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.values[i]))
{
return false;
}
}
return true;
}
@Override
public <V> V injectInto(V injectedValue, ObjectDoubleToObjectFunction<? super V, ? extends V> function)
{
V result = injectedValue;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result = function.valueOf(result, this.values[i]);
}
}
return result;
}
@Override
public RichIterable<DoubleIterable> chunk(int size)
{
if (size <= 0)
{
throw new IllegalArgumentException("Size for groups must be positive but was: " + size);
}
MutableList<DoubleIterable> result = Lists.mutable.empty();
if (this.notEmpty())
{
DoubleIterator iterator = this.doubleIterator();
while (iterator.hasNext())
{
MutableDoubleBag batch = DoubleBags.mutable.empty();
for (int i = 0; i < size && iterator.hasNext(); i++)
{
batch.add(iterator.next());
}
result.add(batch);
}
}
return result;
}
@Override
public double sum()
{
double result = 0.0;
double compensation = 0.0;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
double adjustedValue = this.values[i] - compensation;
double nextSum = result + adjustedValue;
compensation = nextSum - result - adjustedValue;
result = nextSum;
}
}
return result;
}
@Override
public double max()
{
if (this.isEmpty())
{
throw new NoSuchElementException();
}
double max = 0.0;
boolean isMaxSet = false;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && (!isMaxSet || Double.compare(max, this.values[i]) < 0))
{
max = this.values[i];
isMaxSet = true;
}
}
return max;
}
@Override
public double min()
{
if (this.isEmpty())
{
throw new NoSuchElementException();
}
double min = 0.0;
boolean isMinSet = false;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && (!isMinSet || Double.compare(this.values[i], min) < 0))
{
min = this.values[i];
isMinSet = true;
}
}
return min;
}
@Override
public double maxIfEmpty(double defaultValue)
{
if (this.isEmpty())
{
return defaultValue;
}
double max = 0.0;
boolean isMaxSet = false;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && (!isMaxSet || Double.compare(max, this.values[i]) < 0))
{
max = this.values[i];
isMaxSet = true;
}
}
return max;
}
@Override
public double minIfEmpty(double defaultValue)
{
if (this.isEmpty())
{
return defaultValue;
}
double min = 0.0;
boolean isMinSet = false;
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && (!isMinSet || Double.compare(this.values[i], min) < 0))
{
min = this.values[i];
isMinSet = true;
}
}
return min;
}
@Override
public double average()
{
if (this.isEmpty())
{
throw new ArithmeticException();
}
return this.sum() / (double) this.size();
}
@Override
public double median()
{
if (this.isEmpty())
{
throw new ArithmeticException();
}
double[] sortedArray = this.toSortedArray();
int middleIndex = sortedArray.length >> 1;
if (sortedArray.length > 1 && (sortedArray.length & 1) == 0)
{
double first = sortedArray[middleIndex];
double second = sortedArray[middleIndex - 1];
return ((double) first + (double) second) / 2.0;
}
return (double) sortedArray[middleIndex];
}
@Override
public MutableDoubleList toList()
{
MutableDoubleList result = new DoubleArrayList(this.size());
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result.add(this.values[i]);
}
}
return result;
}
@Override
public MutableDoubleSet toSet()
{
MutableDoubleSet result = new DoubleHashSet(this.size());
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result.add(this.values[i]);
}
}
return result;
}
@Override
public MutableDoubleBag toBag()
{
MutableDoubleBag result = new DoubleHashBag(this.size());
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result.add(this.values[i]);
}
}
return result;
}
@Override
public LazyDoubleIterable asLazy()
{
return new LazyDoubleIterableAdapter(this);
}
@Override
public double[] toSortedArray()
{
double[] array = this.toArray();
Arrays.sort(array);
return array;
}
@Override
public MutableDoubleList toSortedList()
{
return this.toList().sortThis();
}
@Override
public void writeExternal(ObjectOutput out) throws IOException
{
out.writeInt(this.size());
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
out.writeObject(this.toNonSentinel(this.keys[i]));
out.writeDouble(this.values[i]);
}
}
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
int size = in.readInt();
int capacity = this.smallestPowerOfTwoGreaterThan(this.fastCeil(size << 1));
this.allocateTable(capacity);
for (int i = 0; i < size; i++)
{
this.put((K) in.readObject(), in.readDouble());
}
}
@Override
public LazyIterable<K> keysView()
{
return new KeysView();
}
@Override
public RichIterable<ObjectDoublePair<K>> keyValuesView()
{
return new KeyValuesView();
}
@Override
public MutableDoubleObjectMap<K> flipUniqueValues()
{
MutableDoubleObjectMap<K> result = DoubleObjectMaps.mutable.empty();
this.forEachKeyValue((key, value) ->
{
K oldKey = result.put(value, key);
if (oldKey != null)
{
throw new IllegalStateException("Duplicate value: " + value + " found at key: " + oldKey + " and key: " + key);
}
});
return result;
}
public void compact()
{
this.rehash(this.smallestPowerOfTwoGreaterThan(this.size()));
}
private void rehashAndGrow()
{
int max = this.maxOccupiedWithData();
int newCapacity = Math.max(max, smallestPowerOfTwoGreaterThan((this.occupiedWithData + 1) << 1));
if (this.occupiedWithSentinels > 0 && (max >> 1) + (max >> 2) < this.occupiedWithData)
{
newCapacity <<= 1;
}
this.rehash(newCapacity);
}
private void rehash(int newCapacity)
{
int oldLength = this.keys.length;
Object[] old = this.keys;
double[] oldValues = this.values;
this.allocateTable(newCapacity);
this.occupiedWithData = 0;
this.occupiedWithSentinels = 0;
for (int i = 0; i < oldLength; i++)
{
if (isNonSentinel(old[i]))
{
this.put(this.toNonSentinel(old[i]), oldValues[i]);
}
}
}
int probe(Object element)
{
int index = this.spread(element);
int removedIndex = -1;
if (isRemovedKey(this.keys[index]))
{
removedIndex = index;
}
else if (this.keys[index] == null || nullSafeEquals(this.toNonSentinel(this.keys[index]), element))
{
return index;
}
int nextIndex = index;
int probe = 17;
while (true)
{
nextIndex += probe;
probe += 17;
nextIndex &= this.keys.length - 1;
if (isRemovedKey(this.keys[nextIndex]))
{
if (removedIndex == -1)
{
removedIndex = nextIndex;
}
}
else if (nullSafeEquals(this.toNonSentinel(this.keys[nextIndex]), element))
{
return nextIndex;
}
else if (this.keys[nextIndex] == null)
{
return removedIndex == -1 ? nextIndex : removedIndex;
}
}
}
int spread(Object element)
{
int h = element == null ? 0 : element.hashCode();
h ^= h >>> 20 ^ h >>> 12;
h ^= h >>> 7 ^ h >>> 4;
return h & (this.keys.length - 1);
}
private static boolean nullSafeEquals(Object value, Object other)
{
if (value == null)
{
if (other == null)
{
return true;
}
}
else if (other == value || value.equals(other))
{
return true;
}
return false;
}
protected void allocateTable(int sizeToAllocate)
{
this.keys = new Object[sizeToAllocate];
this.values = new double[sizeToAllocate];
}
private static boolean isRemovedKey(Object key)
{
return key == REMOVED_KEY;
}
private static <K> boolean isNonSentinel(K key)
{
return key != null && !isRemovedKey(key);
}
private K toNonSentinel(Object key)
{
return key == NULL_KEY ? null : (K) key;
}
private static Object toSentinelIfNull(Object key)
{
return key == null ? NULL_KEY : key;
}
private int maxOccupiedWithData()
{
int capacity = this.keys.length;
return Math.min(capacity - 1, capacity >> 1);
}
private class InternalDoubleIterator implements MutableDoubleIterator
{
private int count;
private int position;
@Override
public boolean hasNext()
{
return this.count != ObjectDoubleHashMap.this.size();
}
@Override
public double next()
{
if (!this.hasNext())
{
throw new NoSuchElementException();
}
Object[] keys = ObjectDoubleHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
double result = ObjectDoubleHashMap.this.values[this.position];
this.count++;
this.position++;
return result;
}
@Override
public void remove()
{
if (this.position == 0 || !isNonSentinel(ObjectDoubleHashMap.this.keys[this.position - 1]))
{
throw new IllegalStateException();
}
ObjectDoubleHashMap.this.remove(ObjectDoubleHashMap.this.keys[this.position - 1]);
this.count--;
}
}
@Override
public Set<K> keySet()
{
return new KeySet();
}
@Override
public MutableDoubleCollection values()
{
return new ValuesCollection();
}
private class KeySet implements Set<K>
{
@Override
public boolean equals(Object obj)
{
if (obj instanceof Set)
{
Set<?> other = (Set<?>) obj;
if (other.size() == this.size())
{
return this.containsAll(other);
}
}
return false;
}
@Override
public int hashCode()
{
int hashCode = 0;
Object[] table = ObjectDoubleHashMap.this.keys;
for (int i = 0; i < table.length; i++)
{
Object key = table[i];
if (ObjectDoubleHashMap.isNonSentinel(key))
{
K nonSentinelKey = ObjectDoubleHashMap.this.toNonSentinel(key);
hashCode += nonSentinelKey == null ? 0 : nonSentinelKey.hashCode();
}
}
return hashCode;
}
@Override
public int size()
{
return ObjectDoubleHashMap.this.size();
}
@Override
public boolean isEmpty()
{
return ObjectDoubleHashMap.this.isEmpty();
}
@Override
public boolean contains(Object o)
{
return ObjectDoubleHashMap.this.containsKey(o);
}
@Override
public Object[] toArray()
{
int size = ObjectDoubleHashMap.this.size();
Object[] result = new Object[size];
this.copyKeys(result);
return result;
}
@Override
public <T> T[] toArray(T[] result)
{
int size = ObjectDoubleHashMap.this.size();
if (result.length < size)
{
result = (T[]) Array.newInstance(result.getClass().getComponentType(), size);
}
this.copyKeys(result);
if (size < result.length)
{
result[size] = null;
}
return result;
}
@Override
public boolean add(K key)
{
throw new UnsupportedOperationException("Cannot call add() on " + this.getClass().getSimpleName());
}
@Override
public boolean remove(Object key)
{
int oldSize = ObjectDoubleHashMap.this.size();
ObjectDoubleHashMap.this.removeKey((K) key);
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public boolean containsAll(Collection<?> collection)
{
for (Object aCollection : collection)
{
if (!ObjectDoubleHashMap.this.containsKey(aCollection))
{
return false;
}
}
return true;
}
@Override
public boolean addAll(Collection<? extends K> collection)
{
throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName());
}
@Override
public boolean retainAll(Collection<?> collection)
{
int oldSize = ObjectDoubleHashMap.this.size();
Iterator<K> iterator = this.iterator();
while (iterator.hasNext())
{
K next = iterator.next();
if (!collection.contains(next))
{
iterator.remove();
}
}
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public boolean removeAll(Collection<?> collection)
{
int oldSize = ObjectDoubleHashMap.this.size();
for (Object object : collection)
{
ObjectDoubleHashMap.this.removeKey((K) object);
}
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public void clear()
{
ObjectDoubleHashMap.this.clear();
}
@Override
public Iterator<K> iterator()
{
return new KeySetIterator();
}
private void copyKeys(Object[] result)
{
int count = 0;
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
Object key = ObjectDoubleHashMap.this.keys[i];
if (ObjectDoubleHashMap.isNonSentinel(key))
{
result[count++] = ObjectDoubleHashMap.this.keys[i];
}
}
}
}
private class KeySetIterator implements Iterator<K>
{
private int count;
private int position;
private K currentKey;
private boolean isCurrentKeySet;
@Override
public boolean hasNext()
{
return this.count < ObjectDoubleHashMap.this.size();
}
@Override
public K next()
{
if (!this.hasNext())
{
throw new NoSuchElementException();
}
this.count++;
Object[] keys = ObjectDoubleHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
this.currentKey = (K) ObjectDoubleHashMap.this.keys[this.position];
this.isCurrentKeySet = true;
this.position++;
return ObjectDoubleHashMap.this.toNonSentinel(this.currentKey);
}
@Override
public void remove()
{
if (!this.isCurrentKeySet)
{
throw new IllegalStateException();
}
this.isCurrentKeySet = false;
this.count--;
if (isNonSentinel(this.currentKey))
{
int index = this.position - 1;
ObjectDoubleHashMap.this.removeKeyAtIndex(ObjectDoubleHashMap.this.toNonSentinel(this.currentKey), index);
}
else
{
ObjectDoubleHashMap.this.removeKey(this.currentKey);
}
}
}
private class ValuesCollection implements MutableDoubleCollection
{
@Override
public int size()
{
return ObjectDoubleHashMap.this.size();
}
@Override
public boolean isEmpty()
{
return ObjectDoubleHashMap.this.isEmpty();
}
@Override
public boolean notEmpty()
{
return ObjectDoubleHashMap.this.notEmpty();
}
@Override
public String makeString()
{
return this.makeString(", ");
}
@Override
public String makeString(String separator)
{
return this.makeString("", separator, "");
}
@Override
public String makeString(String start, String separator, String end)
{
Appendable stringBuilder = new StringBuilder();
this.appendString(stringBuilder, start, separator, end);
return stringBuilder.toString();
}
@Override
public void appendString(Appendable appendable)
{
this.appendString(appendable, ", ");
}
@Override
public void appendString(Appendable appendable, String separator)
{
this.appendString(appendable, "", separator, "");
}
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
try
{
appendable.append(start);
boolean first = true;
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
Object key = ObjectDoubleHashMap.this.keys[i];
if (isNonSentinel(key))
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(ObjectDoubleHashMap.this.values[i]));
first = false;
}
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
@Override
public boolean add(double element)
{
throw new UnsupportedOperationException("Cannot call add() on " + this.getClass().getSimpleName());
}
@Override
public boolean addAll(double... source)
{
throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName());
}
@Override
public boolean addAll(DoubleIterable source)
{
throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName());
}
@Override
public boolean remove(double item)
{
int oldSize = ObjectDoubleHashMap.this.size();
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (isNonSentinel(ObjectDoubleHashMap.this.keys[i]) && Double.compare(item, ObjectDoubleHashMap.this.values[i]) == 0)
{
ObjectDoubleHashMap.this.removeKey((K) ObjectDoubleHashMap.this.keys[i]);
}
}
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public boolean removeAll(DoubleIterable source)
{
int oldSize = ObjectDoubleHashMap.this.size();
DoubleIterator iterator = source.doubleIterator();
while (iterator.hasNext())
{
this.remove(iterator.next());
}
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public boolean removeAll(double... source)
{
int oldSize = ObjectDoubleHashMap.this.size();
for (double item : source)
{
this.remove(item);
}
return oldSize != ObjectDoubleHashMap.this.size();
}
@Override
public boolean retainAll(DoubleIterable source)
{
int oldSize = ObjectDoubleHashMap.this.size();
final DoubleSet sourceSet = source instanceof DoubleSet ? (DoubleSet) source : source.toSet();
ObjectDoubleHashMap<K> retained = ObjectDoubleHashMap.this.select((K object, double value) -> sourceSet.contains(value));
if (retained.size() != oldSize)
{
ObjectDoubleHashMap.this.keys = retained.keys;
ObjectDoubleHashMap.this.values = retained.values;
ObjectDoubleHashMap.this.occupiedWithData = retained.occupiedWithData;
ObjectDoubleHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels;
return true;
}
return false;
}
@Override
public boolean retainAll(double... source)
{
return this.retainAll(DoubleHashSet.newSetWith(source));
}
@Override
public void clear()
{
ObjectDoubleHashMap.this.clear();
}
@Override
public MutableDoubleCollection with(double element)
{
throw new UnsupportedOperationException("Cannot call with() on " + this.getClass().getSimpleName());
}
@Override
public MutableDoubleCollection without(double element)
{
throw new UnsupportedOperationException("Cannot call without() on " + this.getClass().getSimpleName());
}
@Override
public MutableDoubleCollection withAll(DoubleIterable elements)
{
throw new UnsupportedOperationException("Cannot call withAll() on " + this.getClass().getSimpleName());
}
@Override
public MutableDoubleCollection withoutAll(DoubleIterable elements)
{
throw new UnsupportedOperationException("Cannot call withoutAll() on " + this.getClass().getSimpleName());
}
@Override
public MutableDoubleCollection asUnmodifiable()
{
return UnmodifiableDoubleCollection.of(this);
}
@Override
public MutableDoubleCollection asSynchronized()
{
return SynchronizedDoubleCollection.of(this);
}
@Override
public ImmutableDoubleCollection toImmutable()
{
return DoubleLists.immutable.withAll(this);
}
@Override
public MutableDoubleIterator doubleIterator()
{
return ObjectDoubleHashMap.this.doubleIterator();
}
@Override
public double[] toArray()
{
return ObjectDoubleHashMap.this.toArray();
}
@Override
public double[] toArray(double[] target)
{
return ObjectDoubleHashMap.this.toArray(target);
}
@Override
public boolean contains(double value)
{
return ObjectDoubleHashMap.this.containsValue(value);
}
@Override
public boolean containsAll(double... source)
{
return ObjectDoubleHashMap.this.containsAll(source);
}
@Override
public boolean containsAll(DoubleIterable source)
{
return ObjectDoubleHashMap.this.containsAll(source);
}
@Override
public void forEach(DoubleProcedure procedure)
{
this.each(procedure);
}
@Override
public void each(DoubleProcedure procedure)
{
ObjectDoubleHashMap.this.forEach(procedure);
}
@Override
public MutableDoubleCollection select(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.select(predicate);
}
@Override
public MutableDoubleCollection reject(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.reject(predicate);
}
@Override
public <V> MutableCollection<V> collect(DoubleToObjectFunction<? extends V> function)
{
return ObjectDoubleHashMap.this.collect(function);
}
@Override
public <T> T injectInto(T injectedValue, ObjectDoubleToObjectFunction<? super T, ? extends T> function)
{
return ObjectDoubleHashMap.this.injectInto(injectedValue, function);
}
@Override
public RichIterable<DoubleIterable> chunk(int size)
{
return ObjectDoubleHashMap.this.chunk(size);
}
@Override
public double detectIfNone(DoublePredicate predicate, double ifNone)
{
return ObjectDoubleHashMap.this.detectIfNone(predicate, ifNone);
}
@Override
public int count(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.count(predicate);
}
@Override
public boolean anySatisfy(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.anySatisfy(predicate);
}
@Override
public boolean allSatisfy(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.allSatisfy(predicate);
}
@Override
public boolean noneSatisfy(DoublePredicate predicate)
{
return ObjectDoubleHashMap.this.noneSatisfy(predicate);
}
@Override
public MutableDoubleList toList()
{
return ObjectDoubleHashMap.this.toList();
}
@Override
public MutableDoubleSet toSet()
{
return ObjectDoubleHashMap.this.toSet();
}
@Override
public MutableDoubleBag toBag()
{
return ObjectDoubleHashMap.this.toBag();
}
@Override
public LazyDoubleIterable asLazy()
{
return new LazyDoubleIterableAdapter(this);
}
@Override
public double[] toSortedArray()
{
return ObjectDoubleHashMap.this.toSortedArray();
}
@Override
public MutableDoubleList toSortedList()
{
return ObjectDoubleHashMap.this.toSortedList();
}
@Override
public double sum()
{
return ObjectDoubleHashMap.this.sum();
}
@Override
public double max()
{
return ObjectDoubleHashMap.this.max();
}
@Override
public double maxIfEmpty(double defaultValue)
{
return ObjectDoubleHashMap.this.maxIfEmpty(defaultValue);
}
@Override
public double min()
{
return ObjectDoubleHashMap.this.min();
}
@Override
public double minIfEmpty(double defaultValue)
{
return ObjectDoubleHashMap.this.minIfEmpty(defaultValue);
}
@Override
public double average()
{
return ObjectDoubleHashMap.this.average();
}
@Override
public double median()
{
return ObjectDoubleHashMap.this.median();
}
@Override
public MutableDoubleCollection newEmpty()
{
return new DoubleHashBag();
}
}
private class KeysView extends AbstractLazyIterable<K>
{
@Override
public void each(Procedure<? super K> procedure)
{
ObjectDoubleHashMap.this.forEachKey(procedure);
}
@Override
public void forEachWithIndex(ObjectIntProcedure<? super K> objectDoubleProcedure)
{
int index = 0;
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (ObjectDoubleHashMap.isNonSentinel(ObjectDoubleHashMap.this.keys[i]))
{
objectDoubleProcedure.value(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[i]), index);
index++;
}
}
}
@Override
public <P> void forEachWith(Procedure2<? super K, ? super P> procedure, P parameter)
{
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (ObjectDoubleHashMap.isNonSentinel(ObjectDoubleHashMap.this.keys[i]))
{
procedure.value(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[i]), parameter);
}
}
}
@Override
public Iterator<K> iterator()
{
return new InternalKeysViewIterator();
}
public class InternalKeysViewIterator implements Iterator<K>
{
private int count;
private int position;
@Override
public K next()
{
if (!this.hasNext())
{
throw new NoSuchElementException();
}
Object[] keys = ObjectDoubleHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
K result = ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[this.position]);
this.count++;
this.position++;
return result;
}
@Override
public void remove()
{
throw new UnsupportedOperationException("Cannot call remove() on " + this.getClass().getSimpleName());
}
@Override
public boolean hasNext()
{
return this.count != ObjectDoubleHashMap.this.size();
}
}
}
private class KeyValuesView extends AbstractLazyIterable<ObjectDoublePair<K>>
{
@Override
public void each(Procedure<? super ObjectDoublePair<K>> procedure)
{
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (ObjectDoubleHashMap.isNonSentinel(ObjectDoubleHashMap.this.keys[i]))
{
procedure.value(PrimitiveTuples.pair(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[i]), ObjectDoubleHashMap.this.values[i]));
}
}
}
@Override
public void forEachWithIndex(ObjectIntProcedure<? super ObjectDoublePair<K>> objectIntProcedure)
{
int index = 0;
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (ObjectDoubleHashMap.isNonSentinel(ObjectDoubleHashMap.this.keys[i]))
{
objectIntProcedure.value(PrimitiveTuples.pair(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[i]), ObjectDoubleHashMap.this.values[i]), index);
index++;
}
}
}
@Override
public <P> void forEachWith(Procedure2<? super ObjectDoublePair<K>, ? super P> procedure, P parameter)
{
for (int i = 0; i < ObjectDoubleHashMap.this.keys.length; i++)
{
if (ObjectDoubleHashMap.isNonSentinel(ObjectDoubleHashMap.this.keys[i]))
{
procedure.value(PrimitiveTuples.pair(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[i]), ObjectDoubleHashMap.this.values[i]), parameter);
}
}
}
@Override
public Iterator<ObjectDoublePair<K>> iterator()
{
return new InternalKeyValuesIterator();
}
public class InternalKeyValuesIterator implements Iterator<ObjectDoublePair<K>>
{
private int count;
private int position;
@Override
public ObjectDoublePair<K> next()
{
if (!this.hasNext())
{
throw new NoSuchElementException();
}
Object[] keys = ObjectDoubleHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
ObjectDoublePair<K> result = PrimitiveTuples.pair(ObjectDoubleHashMap.this.toNonSentinel(ObjectDoubleHashMap.this.keys[this.position]), ObjectDoubleHashMap.this.values[this.position]);
this.count++;
this.position++;
return result;
}
@Override
public void remove()
{
throw new UnsupportedOperationException("Cannot call remove() on " + this.getClass().getSimpleName());
}
@Override
public boolean hasNext()
{
return this.count != ObjectDoubleHashMap.this.size();
}
}
}
}
ObjectDoubleHashMap
serialVersionUID: long
probe(Object): int
allocateTable(int): void
https://github.com/eclipse/eclipse-collections/eclipse-collections: Eclipse Collections is a collections framework for Java. It has JDK-compatible List, Set and Map
implementations with a rich API and set of utility classes that work with any JDK compatible Collections,
Arrays, Maps or Strings. The iteration protocol was inspired by the Smalltalk collection framework.