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/*
 * Copyright (c) 2022 Goldman Sachs and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v. 1.0 which accompany this distribution.
 * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 */

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.FloatIterable;
import org.eclipse.collections.api.LazyFloatIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableFloatBag;
import org.eclipse.collections.api.block.function.primitive.FloatFunction;
import org.eclipse.collections.api.block.function.primitive.FloatFunction0;
import org.eclipse.collections.api.block.function.primitive.FloatToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.FloatToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectFloatToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectFloatToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.FloatPredicate;
import org.eclipse.collections.api.block.predicate.primitive.ObjectFloatPredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.FloatProcedure;
import org.eclipse.collections.api.block.procedure.primitive.ObjectFloatProcedure;
import org.eclipse.collections.api.collection.MutableCollection;
import org.eclipse.collections.api.collection.primitive.ImmutableFloatCollection;
import org.eclipse.collections.api.collection.primitive.MutableFloatCollection;
import org.eclipse.collections.api.factory.Lists;
import org.eclipse.collections.api.factory.primitive.FloatBags;
import org.eclipse.collections.api.factory.primitive.FloatLists;
import org.eclipse.collections.api.factory.primitive.FloatSets;
import org.eclipse.collections.api.factory.primitive.FloatObjectMaps;
import org.eclipse.collections.api.factory.primitive.ObjectFloatMaps;
import org.eclipse.collections.api.iterator.FloatIterator;
import org.eclipse.collections.api.iterator.MutableFloatIterator;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.list.primitive.MutableFloatList;
import org.eclipse.collections.api.map.primitive.ImmutableObjectFloatMap;
import org.eclipse.collections.api.map.primitive.MutableObjectFloatMap;
import org.eclipse.collections.api.map.primitive.MutableFloatObjectMap;
import org.eclipse.collections.api.map.primitive.ObjectFloatMap;
import org.eclipse.collections.api.set.primitive.FloatSet;
import org.eclipse.collections.api.set.primitive.MutableFloatSet;
import org.eclipse.collections.api.tuple.primitive.ObjectFloatPair;
import org.eclipse.collections.impl.collection.mutable.primitive.SynchronizedFloatCollection;
import org.eclipse.collections.impl.collection.mutable.primitive.UnmodifiableFloatCollection;
import org.eclipse.collections.impl.lazy.AbstractLazyIterable;
import org.eclipse.collections.impl.lazy.primitive.LazyFloatIterableAdapter;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples;

/**
 * This file was automatically generated from template file objectPrimitiveHashMap.stg.
 *
 * @since 3.0.
 */
public class ObjectFloatHashMap implements MutableObjectFloatMap, Externalizable
{
    public static final float EMPTY_VALUE = 0.0f;

    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 "ObjectFloatHashMap.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 "ObjectFloatHashMap.REMOVED_KEY";
        }
    };

    private Object[] keys;
    private float[] values;

    private int occupiedWithData;
    private int occupiedWithSentinels;

    public ObjectFloatHashMap()
    {
        this.allocateTable(DEFAULT_INITIAL_CAPACITY << 1);
    }

    public ObjectFloatHashMap(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 ObjectFloatHashMap(ObjectFloatMap map)
    {
        this(Math.max(map.size(), DEFAULT_INITIAL_CAPACITY));
        this.putAll(map);
    }

    public static  ObjectFloatHashMap newMap()
    {
        return new ObjectFloatHashMap<>();
    }

    public static  ObjectFloatHashMap newWithKeysValues(K key1, float value1)
    {
        return new ObjectFloatHashMap(1).withKeyValue(key1, value1);
    }

    public static  ObjectFloatHashMap newWithKeysValues(K key1, float value1, K key2, float value2)
    {
        return new ObjectFloatHashMap(2).withKeysValues(key1, value1, key2, value2);
    }

    public static  ObjectFloatHashMap newWithKeysValues(K key1, float value1, K key2, float value2, K key3, float value3)
    {
        return new ObjectFloatHashMap(3).withKeysValues(key1, value1, key2, value2, key3, value3);
    }

    public static  ObjectFloatHashMap newWithKeysValues(K key1, float value1, K key2, float value2, K key3, float value3, K key4, float value4)
    {
        return new ObjectFloatHashMap(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 ObjectFloatMap))
        {
            return false;
        }

        ObjectFloatMap other = (ObjectFloatMap) 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])) || Float.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()) ^ Float.floatToIntBits(this.values[i]);
            }
        }
        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 MutableFloatIterator floatIterator()
    {
        return new InternalFloatIterator();
    }

    @Override
    public float[] toArray()
    {
        float[] result = new float[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 float[] toArray(float[] target)
    {
        if (target.length < this.size())
        {
            target = new float[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(float value)
    {
        return this.containsValue(value);
    }

    @Override
    public boolean containsAll(float... source)
    {
        for (float item : source)
        {
            if (!this.containsValue(item))
            {
                return false;
            }
        }
        return true;
    }

    @Override
    public boolean containsAll(FloatIterable 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, float value)
    {
        int index = this.probe(key);

        if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
        {
            // key already present in map
            this.values[index] = value;
            return;
        }

        this.addKeyValueAtIndex(key, value, index);
    }

    @Override
    public void putAll(ObjectFloatMap map)
    {
        map.forEachKeyValue(this::put);
    }

    @Override
    public void updateValues(ObjectFloatToFloatFunction 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 float removeKeyIfAbsent(K key, float value)
    {
        int index = this.probe(key);
        if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
        {
            this.keys[index] = REMOVED_KEY;
            float oldValue = this.values[index];
            this.values[index] = EMPTY_VALUE;
            this.occupiedWithData--;
            this.occupiedWithSentinels++;

            return oldValue;
        }
        return value;
    }

    @Override
    public float getIfAbsentPut(K key, float 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 float getAndPut(K key, float putValue, float defaultValue)
    {
        int index = this.probe(key);
        if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
        {
            float existingValue = this.values[index];
            this.values[index] = putValue;
            return existingValue;
        }
        this.addKeyValueAtIndex(key, putValue, index);
        return defaultValue;
    }

    @Override
    public float getIfAbsentPut(K key, FloatFunction0 function)
    {
        int index = this.probe(key);
        if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key))
        {
            return this.values[index];
        }
        float value = function.value();
        this.addKeyValueAtIndex(key, value, index);
        return value;
    }

    @Override
    public 

float getIfAbsentPutWith(K key, FloatFunction function, P parameter) { int index = this.probe(key); if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key)) { return this.values[index]; } float value = function.floatValueOf(parameter); this.addKeyValueAtIndex(key, value, index); return value; } @Override public float getIfAbsentPutWithKey(K key, FloatFunction function) { int index = this.probe(key); if (isNonSentinel(this.keys[index]) && nullSafeEquals(this.toNonSentinel(this.keys[index]), key)) { return this.values[index]; } float value = function.floatValueOf(key); this.addKeyValueAtIndex(key, value, index); return value; } @Override public float updateValue(K key, float initialValueIfAbsent, FloatToFloatFunction 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]; } float value = function.valueOf(initialValueIfAbsent); this.addKeyValueAtIndex(key, value, index); return value; } private void addKeyValueAtIndex(K key, float 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 float addToValue(K key, float 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 ObjectFloatHashMap withKeyValue(K key1, float value1) { this.put(key1, value1); return this; } public ObjectFloatHashMap withKeysValues(K key1, float value1, K key2, float value2) { this.put(key1, value1); this.put(key2, value2); return this; } public ObjectFloatHashMap withKeysValues(K key1, float value1, K key2, float value2, K key3, float value3) { this.put(key1, value1); this.put(key2, value2); this.put(key3, value3); return this; } public ObjectFloatHashMap withKeysValues(K key1, float value1, K key2, float value2, K key3, float value3, K key4, float value4) { this.put(key1, value1); this.put(key2, value2); this.put(key3, value3); this.put(key4, value4); return this; } @Override public ObjectFloatHashMap withoutKey(K key) { this.removeKey(key); return this; } @Override public ObjectFloatHashMap withoutAllKeys(Iterable keys) { for (K key : keys) { this.removeKey(key); } return this; } @Override public MutableObjectFloatMap asUnmodifiable() { return new UnmodifiableObjectFloatMap<>(this); } @Override public MutableObjectFloatMap asSynchronized() { return new SynchronizedObjectFloatMap<>(this); } @Override public ImmutableObjectFloatMap toImmutable() { return ObjectFloatMaps.immutable.withAll(this); } @Override public float get(Object key) { return this.getIfAbsent(key, EMPTY_VALUE); } @Override public float 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 float getIfAbsent(Object key, float 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(float value) { for (int i = 0; i < this.values.length; i++) { if (isNonSentinel(this.keys[i]) && Float.compare(this.values[i], value) == 0) { return true; } } return false; } /** * @since 7.0. */ @Override public void each(FloatProcedure procedure) { this.forEachValue(procedure); } @Override public void forEachValue(FloatProcedure 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 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(ObjectFloatProcedure 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 ObjectFloatHashMap select(ObjectFloatPredicate predicate) { ObjectFloatHashMap result = ObjectFloatHashMap.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 ObjectFloatHashMap reject(ObjectFloatPredicate predicate) { ObjectFloatHashMap result = ObjectFloatHashMap.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 MutableFloatCollection select(FloatPredicate predicate) { MutableFloatList result = FloatLists.mutable.empty(); 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 MutableFloatCollection reject(FloatPredicate predicate) { MutableFloatList result = FloatLists.mutable.empty(); 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 float detectIfNone(FloatPredicate predicate, float 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 MutableCollection collect(FloatToObjectFunction function) { MutableList result = Lists.mutable.withInitialCapacity(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(FloatPredicate 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(FloatPredicate 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(FloatPredicate 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(FloatPredicate 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 injectInto(V injectedValue, ObjectFloatToObjectFunction 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 chunk(int size) { if (size <= 0) { throw new IllegalArgumentException("Size for groups must be positive but was: " + size); } MutableList result = Lists.mutable.empty(); if (this.notEmpty()) { FloatIterator iterator = this.floatIterator(); while (iterator.hasNext()) { MutableFloatBag batch = FloatBags.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 float max() { if (this.isEmpty()) { throw new NoSuchElementException(); } float max = 0.0f; boolean isMaxSet = false; for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i]) && (!isMaxSet || Float.compare(max, this.values[i]) < 0)) { max = this.values[i]; isMaxSet = true; } } return max; } @Override public float min() { if (this.isEmpty()) { throw new NoSuchElementException(); } float min = 0.0f; boolean isMinSet = false; for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i]) && (!isMinSet || Float.compare(this.values[i], min) < 0)) { min = this.values[i]; isMinSet = true; } } return min; } @Override public float maxIfEmpty(float defaultValue) { if (this.isEmpty()) { return defaultValue; } float max = 0.0f; boolean isMaxSet = false; for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i]) && (!isMaxSet || Float.compare(max, this.values[i]) < 0)) { max = this.values[i]; isMaxSet = true; } } return max; } @Override public float minIfEmpty(float defaultValue) { if (this.isEmpty()) { return defaultValue; } float min = 0.0f; boolean isMinSet = false; for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i]) && (!isMinSet || Float.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(); } float[] sortedArray = this.toSortedArray(); int middleIndex = sortedArray.length >> 1; if (sortedArray.length > 1 && (sortedArray.length & 1) == 0) { float first = sortedArray[middleIndex]; float second = sortedArray[middleIndex - 1]; return ((double) first + (double) second) / 2.0; } return (double) sortedArray[middleIndex]; } @Override public MutableFloatList toList() { MutableFloatList result = FloatLists.mutable.withInitialCapacity(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 MutableFloatSet toSet() { MutableFloatSet result = FloatSets.mutable.empty(); for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i])) { result.add(this.values[i]); } } return result; } @Override public MutableFloatBag toBag() { MutableFloatBag result = FloatBags.mutable.empty(); for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i])) { result.add(this.values[i]); } } return result; } @Override public LazyFloatIterable asLazy() { return new LazyFloatIterableAdapter(this); } @Override public float[] toSortedArray() { float[] array = this.toArray(); Arrays.sort(array); return array; } @Override public MutableFloatList 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.writeFloat(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.readFloat()); } } @Override public LazyIterable keysView() { return new KeysView(); } @Override public RichIterable> keyValuesView() { return new KeyValuesView(); } @Override public MutableFloatObjectMap flipUniqueValues() { MutableFloatObjectMap result = FloatObjectMaps.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; } /** * Rehashes every element in the set into a new backing table of the smallest possible size and eliminating removed sentinels. */ 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; float[] 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]); } } } // exposed for testing 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; // loop until an empty slot is reached while (true) { // Probe algorithm: 17*n*(n+1)/2 where n = no. of collisions 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; } } } // exposed for testing int spread(Object element) { // This function ensures that hashCodes that differ only by // constant multiples at each bit position have a bounded // number of collisions (approximately 8 at default load factor). 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 float[sizeToAllocate]; } private static boolean isRemovedKey(Object key) { return key == REMOVED_KEY; } private static 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; // need at least one free slot for open addressing return Math.min(capacity - 1, capacity >> 1); } private class InternalFloatIterator implements MutableFloatIterator { private int count; private int position; @Override public boolean hasNext() { return this.count != ObjectFloatHashMap.this.size(); } @Override public float next() { if (!this.hasNext()) { throw new NoSuchElementException(); } Object[] keys = ObjectFloatHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } float result = ObjectFloatHashMap.this.values[this.position]; this.count++; this.position++; return result; } @Override public void remove() { if (this.position == 0 || !isNonSentinel(ObjectFloatHashMap.this.keys[this.position - 1])) { throw new IllegalStateException(); } ObjectFloatHashMap.this.remove(ObjectFloatHashMap.this.keys[this.position - 1]); this.count--; } } @Override public Set keySet() { return new KeySet(); } @Override public MutableFloatCollection values() { return new ValuesCollection(); } private class KeySet implements Set { @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 = ObjectFloatHashMap.this.keys; for (int i = 0; i < table.length; i++) { Object key = table[i]; if (ObjectFloatHashMap.isNonSentinel(key)) { K nonSentinelKey = ObjectFloatHashMap.this.toNonSentinel(key); hashCode += nonSentinelKey == null ? 0 : nonSentinelKey.hashCode(); } } return hashCode; } @Override public int size() { return ObjectFloatHashMap.this.size(); } @Override public boolean isEmpty() { return ObjectFloatHashMap.this.isEmpty(); } @Override public boolean contains(Object o) { return ObjectFloatHashMap.this.containsKey(o); } @Override public Object[] toArray() { int size = ObjectFloatHashMap.this.size(); Object[] result = new Object[size]; this.copyKeys(result); return result; } @Override public T[] toArray(T[] result) { int size = ObjectFloatHashMap.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 = ObjectFloatHashMap.this.size(); ObjectFloatHashMap.this.removeKey((K) key); return oldSize != ObjectFloatHashMap.this.size(); } @Override public boolean containsAll(Collection collection) { for (Object aCollection : collection) { if (!ObjectFloatHashMap.this.containsKey(aCollection)) { return false; } } return true; } @Override public boolean addAll(Collection collection) { throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName()); } @Override public boolean retainAll(Collection collection) { int oldSize = ObjectFloatHashMap.this.size(); Iterator iterator = this.iterator(); while (iterator.hasNext()) { K next = iterator.next(); if (!collection.contains(next)) { iterator.remove(); } } return oldSize != ObjectFloatHashMap.this.size(); } @Override public boolean removeAll(Collection collection) { int oldSize = ObjectFloatHashMap.this.size(); for (Object object : collection) { ObjectFloatHashMap.this.removeKey((K) object); } return oldSize != ObjectFloatHashMap.this.size(); } @Override public void clear() { ObjectFloatHashMap.this.clear(); } @Override public Iterator iterator() { return new KeySetIterator(); } private void copyKeys(Object[] result) { int count = 0; for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { Object key = ObjectFloatHashMap.this.keys[i]; if (ObjectFloatHashMap.isNonSentinel(key)) { result[count++] = ObjectFloatHashMap.this.keys[i]; } } } } private class KeySetIterator implements Iterator { private int count; private int position; private K currentKey; private boolean isCurrentKeySet; @Override public boolean hasNext() { return this.count < ObjectFloatHashMap.this.size(); } @Override public K next() { if (!this.hasNext()) { throw new NoSuchElementException(); } this.count++; Object[] keys = ObjectFloatHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } this.currentKey = (K) ObjectFloatHashMap.this.keys[this.position]; this.isCurrentKeySet = true; this.position++; return ObjectFloatHashMap.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; ObjectFloatHashMap.this.removeKeyAtIndex(ObjectFloatHashMap.this.toNonSentinel(this.currentKey), index); } else { ObjectFloatHashMap.this.removeKey(this.currentKey); } } } private class ValuesCollection implements MutableFloatCollection { @Override public int size() { return ObjectFloatHashMap.this.size(); } @Override public boolean isEmpty() { return ObjectFloatHashMap.this.isEmpty(); } @Override public boolean notEmpty() { return ObjectFloatHashMap.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 < ObjectFloatHashMap.this.keys.length; i++) { Object key = ObjectFloatHashMap.this.keys[i]; if (isNonSentinel(key)) { if (!first) { appendable.append(separator); } appendable.append(String.valueOf(ObjectFloatHashMap.this.values[i])); first = false; } } appendable.append(end); } catch (IOException e) { throw new RuntimeException(e); } } @Override public boolean add(float element) { throw new UnsupportedOperationException("Cannot call add() on " + this.getClass().getSimpleName()); } @Override public boolean addAll(float... source) { throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName()); } @Override public boolean addAll(FloatIterable source) { throw new UnsupportedOperationException("Cannot call addAll() on " + this.getClass().getSimpleName()); } @Override public boolean remove(float item) { int oldSize = ObjectFloatHashMap.this.size(); for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (isNonSentinel(ObjectFloatHashMap.this.keys[i]) && Float.compare(item, ObjectFloatHashMap.this.values[i]) == 0) { ObjectFloatHashMap.this.removeKey((K) ObjectFloatHashMap.this.keys[i]); } } return oldSize != ObjectFloatHashMap.this.size(); } @Override public boolean removeAll(FloatIterable source) { int oldSize = ObjectFloatHashMap.this.size(); FloatIterator iterator = source.floatIterator(); while (iterator.hasNext()) { this.remove(iterator.next()); } return oldSize != ObjectFloatHashMap.this.size(); } @Override public boolean removeAll(float... source) { int oldSize = ObjectFloatHashMap.this.size(); for (float item : source) { this.remove(item); } return oldSize != ObjectFloatHashMap.this.size(); } @Override public boolean retainAll(FloatIterable source) { int oldSize = ObjectFloatHashMap.this.size(); final FloatSet sourceSet = source instanceof FloatSet ? (FloatSet) source : source.toSet(); ObjectFloatHashMap retained = ObjectFloatHashMap.this.select((K object, float value) -> sourceSet.contains(value)); if (retained.size() != oldSize) { ObjectFloatHashMap.this.keys = retained.keys; ObjectFloatHashMap.this.values = retained.values; ObjectFloatHashMap.this.occupiedWithData = retained.occupiedWithData; ObjectFloatHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels; return true; } return false; } @Override public boolean retainAll(float... source) { return this.retainAll(FloatSets.mutable.with(source)); } @Override public void clear() { ObjectFloatHashMap.this.clear(); } @Override public MutableFloatCollection with(float element) { throw new UnsupportedOperationException("Cannot call with() on " + this.getClass().getSimpleName()); } @Override public MutableFloatCollection without(float element) { throw new UnsupportedOperationException("Cannot call without() on " + this.getClass().getSimpleName()); } @Override public MutableFloatCollection withAll(FloatIterable elements) { throw new UnsupportedOperationException("Cannot call withAll() on " + this.getClass().getSimpleName()); } @Override public MutableFloatCollection withoutAll(FloatIterable elements) { throw new UnsupportedOperationException("Cannot call withoutAll() on " + this.getClass().getSimpleName()); } @Override public MutableFloatCollection asUnmodifiable() { return UnmodifiableFloatCollection.of(this); } @Override public MutableFloatCollection asSynchronized() { return SynchronizedFloatCollection.of(this); } @Override public ImmutableFloatCollection toImmutable() { return FloatLists.immutable.withAll(this); } @Override public MutableFloatIterator floatIterator() { return ObjectFloatHashMap.this.floatIterator(); } @Override public float[] toArray() { return ObjectFloatHashMap.this.toArray(); } @Override public float[] toArray(float[] target) { return ObjectFloatHashMap.this.toArray(target); } @Override public boolean contains(float value) { return ObjectFloatHashMap.this.containsValue(value); } @Override public boolean containsAll(float... source) { return ObjectFloatHashMap.this.containsAll(source); } @Override public boolean containsAll(FloatIterable source) { return ObjectFloatHashMap.this.containsAll(source); } @Override public void each(FloatProcedure procedure) { ObjectFloatHashMap.this.forEach(procedure); } @Override public MutableFloatCollection select(FloatPredicate predicate) { return ObjectFloatHashMap.this.select(predicate); } @Override public MutableFloatCollection reject(FloatPredicate predicate) { return ObjectFloatHashMap.this.reject(predicate); } @Override public MutableCollection collect(FloatToObjectFunction function) { return ObjectFloatHashMap.this.collect(function); } @Override public T injectInto(T injectedValue, ObjectFloatToObjectFunction function) { return ObjectFloatHashMap.this.injectInto(injectedValue, function); } @Override public RichIterable chunk(int size) { return ObjectFloatHashMap.this.chunk(size); } @Override public float detectIfNone(FloatPredicate predicate, float ifNone) { return ObjectFloatHashMap.this.detectIfNone(predicate, ifNone); } @Override public int count(FloatPredicate predicate) { return ObjectFloatHashMap.this.count(predicate); } @Override public boolean anySatisfy(FloatPredicate predicate) { return ObjectFloatHashMap.this.anySatisfy(predicate); } @Override public boolean allSatisfy(FloatPredicate predicate) { return ObjectFloatHashMap.this.allSatisfy(predicate); } @Override public boolean noneSatisfy(FloatPredicate predicate) { return ObjectFloatHashMap.this.noneSatisfy(predicate); } @Override public MutableFloatList toList() { return ObjectFloatHashMap.this.toList(); } @Override public MutableFloatSet toSet() { return ObjectFloatHashMap.this.toSet(); } @Override public MutableFloatBag toBag() { return ObjectFloatHashMap.this.toBag(); } @Override public LazyFloatIterable asLazy() { return new LazyFloatIterableAdapter(this); } @Override public float[] toSortedArray() { return ObjectFloatHashMap.this.toSortedArray(); } @Override public MutableFloatList toSortedList() { return ObjectFloatHashMap.this.toSortedList(); } @Override public double sum() { return ObjectFloatHashMap.this.sum(); } @Override public float max() { return ObjectFloatHashMap.this.max(); } @Override public float maxIfEmpty(float defaultValue) { return ObjectFloatHashMap.this.maxIfEmpty(defaultValue); } @Override public float min() { return ObjectFloatHashMap.this.min(); } @Override public float minIfEmpty(float defaultValue) { return ObjectFloatHashMap.this.minIfEmpty(defaultValue); } @Override public double average() { return ObjectFloatHashMap.this.average(); } @Override public double median() { return ObjectFloatHashMap.this.median(); } /** * @since 9.2. */ @Override public MutableFloatCollection newEmpty() { return FloatBags.mutable.empty(); } } private class KeysView extends AbstractLazyIterable { @Override public void each(Procedure procedure) { ObjectFloatHashMap.this.forEachKey(procedure); } @Override public void forEachWithIndex(ObjectIntProcedure objectFloatProcedure) { int index = 0; for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (ObjectFloatHashMap.isNonSentinel(ObjectFloatHashMap.this.keys[i])) { objectFloatProcedure.value(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[i]), index); index++; } } } @Override public

void forEachWith(Procedure2 procedure, P parameter) { for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (ObjectFloatHashMap.isNonSentinel(ObjectFloatHashMap.this.keys[i])) { procedure.value(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[i]), parameter); } } } @Override public Iterator iterator() { return new InternalKeysViewIterator(); } public class InternalKeysViewIterator implements Iterator { private int count; private int position; @Override public K next() { if (!this.hasNext()) { throw new NoSuchElementException(); } Object[] keys = ObjectFloatHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } K result = ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.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 != ObjectFloatHashMap.this.size(); } } } private class KeyValuesView extends AbstractLazyIterable> { @Override public void each(Procedure> procedure) { for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (ObjectFloatHashMap.isNonSentinel(ObjectFloatHashMap.this.keys[i])) { procedure.value(PrimitiveTuples.pair(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[i]), ObjectFloatHashMap.this.values[i])); } } } @Override public void forEachWithIndex(ObjectIntProcedure> objectIntProcedure) { int index = 0; for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (ObjectFloatHashMap.isNonSentinel(ObjectFloatHashMap.this.keys[i])) { objectIntProcedure.value(PrimitiveTuples.pair(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[i]), ObjectFloatHashMap.this.values[i]), index); index++; } } } @Override public

void forEachWith(Procedure2, ? super P> procedure, P parameter) { for (int i = 0; i < ObjectFloatHashMap.this.keys.length; i++) { if (ObjectFloatHashMap.isNonSentinel(ObjectFloatHashMap.this.keys[i])) { procedure.value(PrimitiveTuples.pair(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[i]), ObjectFloatHashMap.this.values[i]), parameter); } } } @Override public Iterator> iterator() { return new InternalKeyValuesIterator(); } public class InternalKeyValuesIterator implements Iterator> { private int count; private int position; @Override public ObjectFloatPair next() { if (!this.hasNext()) { throw new NoSuchElementException(); } Object[] keys = ObjectFloatHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } ObjectFloatPair result = PrimitiveTuples.pair(ObjectFloatHashMap.this.toNonSentinel(ObjectFloatHashMap.this.keys[this.position]), ObjectFloatHashMap.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 != ObjectFloatHashMap.this.size(); } } } }





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