org.eclipse.collections.impl.map.mutable.primitive.ByteBooleanHashMap Maven / Gradle / Ivy
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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.util.Arrays;
import java.util.BitSet;
import java.util.Iterator;
import java.util.NoSuchElementException;
import org.eclipse.collections.api.BooleanIterable;
import org.eclipse.collections.api.ByteIterable;
import org.eclipse.collections.api.LazyByteIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableByteBag;
import org.eclipse.collections.api.block.function.primitive.BooleanFunction;
import org.eclipse.collections.api.block.function.primitive.BooleanFunction0;
import org.eclipse.collections.api.block.function.primitive.BooleanToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteBooleanToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectByteToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.ByteBooleanPredicate;
import org.eclipse.collections.api.block.predicate.primitive.BytePredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.ByteBooleanProcedure;
import org.eclipse.collections.api.block.procedure.primitive.ByteProcedure;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.collection.primitive.MutableBooleanCollection;
import org.eclipse.collections.api.iterator.ByteIterator;
import org.eclipse.collections.api.iterator.MutableBooleanIterator;
import org.eclipse.collections.api.iterator.MutableByteIterator;
import org.eclipse.collections.api.list.primitive.MutableByteList;
import org.eclipse.collections.api.map.primitive.ByteBooleanMap;
import org.eclipse.collections.api.map.primitive.ImmutableByteBooleanMap;
import org.eclipse.collections.api.map.primitive.MutableByteBooleanMap;
import org.eclipse.collections.api.set.primitive.BooleanSet;
import org.eclipse.collections.api.set.primitive.ByteSet;
import org.eclipse.collections.api.set.primitive.MutableByteSet;
import org.eclipse.collections.api.tuple.primitive.ByteBooleanPair;
import org.eclipse.collections.impl.bag.mutable.primitive.ByteHashBag;
import org.eclipse.collections.impl.factory.primitive.ByteBooleanMaps;
import org.eclipse.collections.impl.iterator.UnmodifiableByteIterator;
import org.eclipse.collections.impl.lazy.AbstractLazyIterable;
import org.eclipse.collections.impl.lazy.primitive.AbstractLazyByteIterable;
import org.eclipse.collections.impl.list.mutable.primitive.ByteArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.ByteHashSet;
import org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples;
/**
* This file was automatically generated from template file primitiveBooleanHashMap.stg.
*
* @since 3.0.
*/
public class ByteBooleanHashMap extends AbstractMutableBooleanValuesMap implements MutableByteBooleanMap, MutableByteKeysMap, Externalizable
{
static final boolean EMPTY_VALUE = false;
private static final long serialVersionUID = 1L;
private static final byte EMPTY_KEY = (byte) 0;
private static final byte REMOVED_KEY = (byte) 1;
/**
* @deprecated in 5.1.0.
*/
@Deprecated
private static final float DEFAULT_LOAD_FACTOR = 0.5f;
private static final int OCCUPIED_DATA_RATIO = 2;
private static final int OCCUPIED_SENTINEL_RATIO = 4;
private static final int DEFAULT_INITIAL_CAPACITY = 8;
private static final int CACHE_LINE_SIZE = 64;
private static final int KEY_SIZE = 1;
private static final int INITIAL_LINEAR_PROBE = CACHE_LINE_SIZE / KEY_SIZE / 2; /* half a cache line */
private byte[] keys;
private BitSet values;
private int occupiedWithData;
private int occupiedWithSentinels;
private SentinelValues sentinelValues;
public ByteBooleanHashMap()
{
this.allocateTable(DEFAULT_INITIAL_CAPACITY << 1);
}
public ByteBooleanHashMap(int initialCapacity)
{
if (initialCapacity < 0)
{
throw new IllegalArgumentException("initial capacity cannot be less than 0");
}
int capacity = this.smallestPowerOfTwoGreaterThan(this.fastCeil(initialCapacity * OCCUPIED_DATA_RATIO));
this.allocateTable(capacity);
}
public ByteBooleanHashMap(ByteBooleanMap map)
{
this(Math.max(map.size(), DEFAULT_INITIAL_CAPACITY));
this.putAll(map);
}
/**
* @deprecated in 5.1.0.
*/
@Deprecated
public ByteBooleanHashMap(int initialCapacity, float loadFactor)
{
this(initialCapacity);
}
@Override
protected int getOccupiedWithData()
{
return this.occupiedWithData;
}
@Override
protected SentinelValues getSentinelValues()
{
return this.sentinelValues;
}
@Override
protected void setSentinelValuesNull()
{
this.sentinelValues = null;
}
@Override
protected boolean getEmptyValue()
{
return EMPTY_VALUE;
}
@Override
protected int getTableSize()
{
return this.keys.length;
}
@Override
protected boolean getValueAtIndex(int index)
{
return this.values.get(index);
}
@Override
protected boolean isNonSentinelAtIndex(int index)
{
return !isEmptyKey(this.keys[index]) && !isRemovedKey(this.keys[index]);
}
private int smallestPowerOfTwoGreaterThan(int n)
{
return n > 1 ? Integer.highestOneBit(n - 1) << 1 : 1;
}
@Override
public MutableByteBooleanMap asUnmodifiable()
{
return new UnmodifiableByteBooleanMap(this);
}
@Override
public MutableByteBooleanMap asSynchronized()
{
return new SynchronizedByteBooleanMap(this);
}
@Override
public ImmutableByteBooleanMap toImmutable()
{
return ByteBooleanMaps.immutable.withAll(this);
}
public static ByteBooleanHashMap newWithKeysValues(byte key1, boolean value1)
{
return new ByteBooleanHashMap(1).withKeyValue(key1, value1);
}
public static ByteBooleanHashMap newWithKeysValues(byte key1, boolean value1, byte key2, boolean value2)
{
return new ByteBooleanHashMap(2).withKeysValues(key1, value1, key2, value2);
}
public static ByteBooleanHashMap newWithKeysValues(byte key1, boolean value1, byte key2, boolean value2, byte key3, boolean value3)
{
return new ByteBooleanHashMap(3).withKeysValues(key1, value1, key2, value2, key3, value3);
}
public static ByteBooleanHashMap newWithKeysValues(byte key1, boolean value1, byte key2, boolean value2, byte key3, boolean value3, byte key4, boolean value4)
{
return new ByteBooleanHashMap(4).withKeysValues(key1, value1, key2, value2, key3, value3, key4, value4);
}
@Override
public ByteBooleanHashMap withKeyValue(byte key1, boolean value1)
{
this.put(key1, value1);
return this;
}
public ByteBooleanHashMap withKeysValues(byte key1, boolean value1, byte key2, boolean value2)
{
this.put(key1, value1);
this.put(key2, value2);
return this;
}
public ByteBooleanHashMap withKeysValues(byte key1, boolean value1, byte key2, boolean value2, byte key3, boolean value3)
{
this.put(key1, value1);
this.put(key2, value2);
this.put(key3, value3);
return this;
}
public ByteBooleanHashMap withKeysValues(byte key1, boolean value1, byte key2, boolean value2, byte key3, boolean value3, byte key4, boolean value4)
{
this.put(key1, value1);
this.put(key2, value2);
this.put(key3, value3);
this.put(key4, value4);
return this;
}
@Override
public ByteBooleanHashMap withoutKey(byte key)
{
this.removeKey(key);
return this;
}
@Override
public ByteBooleanHashMap withoutAllKeys(ByteIterable keys)
{
keys.forEach(this::removeKey);
return this;
}
private int fastCeil(float v)
{
int possibleResult = (int) v;
if (v - possibleResult > 0.0F)
{
possibleResult++;
}
return possibleResult;
}
private static boolean isEmptyKey(byte key)
{
return key == EMPTY_KEY;
}
private static boolean isRemovedKey(byte key)
{
return key == REMOVED_KEY;
}
private static boolean isNonSentinel(byte key)
{
return !isEmptyKey(key) && !isRemovedKey(key);
}
protected void allocateTable(int sizeToAllocate)
{
this.keys = new byte[sizeToAllocate];
this.values = new BitSet(sizeToAllocate);
}
/**
* 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 rehash()
{
this.rehash(this.keys.length);
}
private void rehashAndGrow()
{
this.rehash(this.keys.length << 1);
}
private void rehash(int newCapacity)
{
int oldLength = this.keys.length;
byte[] old = this.keys;
BitSet 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(old[i], oldValues.get(i));
}
}
}
// exposed for testing
int probe(byte element)
{
int index = this.spreadAndMask(element);
byte keyAtIndex = this.keys[index];
if (keyAtIndex == element || keyAtIndex == EMPTY_KEY)
{
return index;
}
int removedIndex = keyAtIndex == REMOVED_KEY ? index : -1;
int nextIndex = index;
int probe = 17;
// loop until an empty slot is reached
while (true)
{
// Probe algorithm: 17*n*(n+1)/2 where n = number of collisions
nextIndex += probe;
probe += 17;
nextIndex &= this.keys.length - 1;
if (this.keys[nextIndex] == element)
{
return nextIndex;
}
if (this.keys[nextIndex] == REMOVED_KEY)
{
if (removedIndex == -1)
{
removedIndex = nextIndex;
}
}
else if (this.keys[nextIndex] == EMPTY_KEY)
{
return removedIndex == -1 ? nextIndex : removedIndex;
}
}
}
// exposed for testing
int spreadAndMask(byte element)
{
// No spreading necessary for 8-bit types
return this.mask(element);
}
private int mask(int spread)
{
return spread & (this.keys.length - 1);
}
@Override
public void clear()
{
this.sentinelValues = null;
this.occupiedWithData = 0;
this.occupiedWithSentinels = 0;
Arrays.fill(this.keys, EMPTY_KEY);
this.values.clear();
}
@Override
public void put(byte key, boolean value)
{
if (isEmptyKey(key))
{
if (this.getSentinelValues() == null)
{
this.sentinelValues = new SentinelValues();
}
this.getSentinelValues().containsZeroKey = true;
this.getSentinelValues().zeroValue = value;
return;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
this.sentinelValues = new SentinelValues();
}
this.getSentinelValues().containsOneKey = true;
this.getSentinelValues().oneValue = value;
return;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
// key already present in map
this.values.set(index, value);
return;
}
this.addKeyValueAtIndex(key, value, index);
}
@Override
public void putAll(ByteBooleanMap map)
{
map.forEachKeyValue(this::put);
}
@Override
public void updateValues(ByteBooleanToBooleanFunction function)
{
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
this.getSentinelValues().zeroValue = function.valueOf(EMPTY_KEY, this.getSentinelValues().zeroValue);
}
if (this.getSentinelValues().containsOneKey)
{
this.getSentinelValues().oneValue = function.valueOf(REMOVED_KEY, this.getSentinelValues().oneValue);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
this.values.set(i, function.valueOf(this.keys[i], this.getValueAtIndex(i)));
}
}
}
@Override
public boolean containsKey(byte key)
{
if (isEmptyKey(key))
{
return this.getSentinelValues() != null && this.getSentinelValues().containsZeroKey;
}
if (isRemovedKey(key))
{
return this.getSentinelValues() != null && this.getSentinelValues().containsOneKey;
}
return this.keys[this.probe(key)] == key;
}
@Override
public boolean containsValue(boolean value)
{
if (this.getSentinelValues() != null && this.getSentinelValues().containsValue(value))
{
return true;
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && this.getValueAtIndex(i) == value)
{
return true;
}
}
return false;
}
@Override
public boolean get(byte key)
{
return this.getIfAbsent(key, this.getEmptyValue());
}
@Override
public boolean getIfAbsent(byte key, boolean ifAbsent)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsZeroKey)
{
return ifAbsent;
}
return this.getSentinelValues().zeroValue;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsOneKey)
{
return ifAbsent;
}
return this.getSentinelValues().oneValue;
}
int index = this.probe(key);
if (this.isNonSentinelAtIndex(index))
{
return this.values.get(index);
}
return ifAbsent;
}
@Override
public boolean getOrThrow(byte key)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsZeroKey)
{
throw new IllegalStateException("Key " + key + " not present.");
}
return this.getSentinelValues().zeroValue;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsOneKey)
{
throw new IllegalStateException("Key " + key + " not present.");
}
return this.getSentinelValues().oneValue;
}
int index = this.probe(key);
if (this.isNonSentinelAtIndex(index))
{
return this.values.get(index);
}
throw new IllegalStateException("Key " + key + " not present.");
}
@Override
public boolean getIfAbsentPut(byte key, boolean value)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null)
{
this.sentinelValues = new SentinelValues();
this.addEmptyKeyValue(value);
return value;
}
if (this.getSentinelValues().containsZeroKey)
{
return this.getSentinelValues().zeroValue;
}
this.addEmptyKeyValue(value);
return value;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
this.sentinelValues = new SentinelValues();
this.addRemovedKeyValue(value);
return value;
}
if (this.getSentinelValues().containsOneKey)
{
return this.getSentinelValues().oneValue;
}
this.addRemovedKeyValue(value);
return value;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
return this.values.get(index);
}
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public boolean getIfAbsentPut(byte key, BooleanFunction0 function)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.value();
this.sentinelValues = new SentinelValues();
this.addEmptyKeyValue(value);
return value;
}
if (this.getSentinelValues().containsZeroKey)
{
return this.getSentinelValues().zeroValue;
}
boolean value = function.value();
this.addEmptyKeyValue(value);
return value;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.value();
this.sentinelValues = new SentinelValues();
this.addRemovedKeyValue(value);
return value;
}
if (this.getSentinelValues().containsOneKey)
{
return this.getSentinelValues().oneValue;
}
boolean value = function.value();
this.addRemovedKeyValue(value);
return value;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
return this.values.get(index);
}
boolean value = function.value();
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public boolean getIfAbsentPutWith(byte key, BooleanFunction function, P parameter)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.booleanValueOf(parameter);
this.sentinelValues = new SentinelValues();
this.addEmptyKeyValue(value);
return value;
}
if (this.getSentinelValues().containsZeroKey)
{
return this.getSentinelValues().zeroValue;
}
boolean value = function.booleanValueOf(parameter);
this.addEmptyKeyValue(value);
return value;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.booleanValueOf(parameter);
this.sentinelValues = new SentinelValues();
this.addRemovedKeyValue(value);
return value;
}
if (this.getSentinelValues().containsOneKey)
{
return this.getSentinelValues().oneValue;
}
boolean value = function.booleanValueOf(parameter);
this.addRemovedKeyValue(value);
return value;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
return this.values.get(index);
}
boolean value = function.booleanValueOf(parameter);
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public boolean getIfAbsentPutWithKey(byte key, ByteToBooleanFunction function)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.valueOf(key);
this.sentinelValues = new SentinelValues();
this.addEmptyKeyValue(value);
return value;
}
if (this.getSentinelValues().containsZeroKey)
{
return this.getSentinelValues().zeroValue;
}
boolean value = function.valueOf(key);
this.addEmptyKeyValue(value);
return value;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
boolean value = function.valueOf(key);
this.sentinelValues = new SentinelValues();
this.addRemovedKeyValue(value);
return value;
}
if (this.getSentinelValues().containsOneKey)
{
return this.getSentinelValues().oneValue;
}
boolean value = function.valueOf(key);
this.addRemovedKeyValue(value);
return value;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
return this.values.get(index);
}
boolean value = function.valueOf(key);
this.addKeyValueAtIndex(key, value, index);
return value;
}
@Override
public boolean updateValue(byte key, boolean initialValueIfAbsent, BooleanToBooleanFunction function)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null)
{
this.sentinelValues = new SentinelValues();
this.addEmptyKeyValue(function.valueOf(initialValueIfAbsent));
}
else if (this.getSentinelValues().containsZeroKey)
{
this.getSentinelValues().zeroValue = function.valueOf(this.getSentinelValues().zeroValue);
}
else
{
this.addEmptyKeyValue(function.valueOf(initialValueIfAbsent));
}
return this.getSentinelValues().zeroValue;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null)
{
this.sentinelValues = new SentinelValues();
this.addRemovedKeyValue(function.valueOf(initialValueIfAbsent));
}
else if (this.getSentinelValues().containsOneKey)
{
this.getSentinelValues().oneValue = function.valueOf(this.getSentinelValues().oneValue);
}
else
{
this.addRemovedKeyValue(function.valueOf(initialValueIfAbsent));
}
return this.getSentinelValues().oneValue;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
this.values.set(index, function.valueOf(this.values.get(index)));
return this.values.get(index);
}
boolean value = function.valueOf(initialValueIfAbsent);
this.addKeyValueAtIndex(key, value, index);
return value;
}
private void addKeyValueAtIndex(byte key, boolean value, int index)
{
if (this.keys[index] == REMOVED_KEY)
{
this.occupiedWithSentinels--;
}
this.keys[index] = key;
this.values.set(index, value);
this.occupiedWithData++;
if (this.occupiedWithData > this.maxOccupiedWithData())
{
this.rehashAndGrow();
}
}
@Override
public void removeKey(byte key)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsZeroKey)
{
return;
}
this.removeEmptyKey();
return;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsOneKey)
{
return;
}
this.removeRemovedKey();
return;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
this.keys[index] = REMOVED_KEY;
this.values.set(index, this.getEmptyValue());
this.occupiedWithData--;
this.occupiedWithSentinels++;
if (this.occupiedWithSentinels > this.maxOccupiedWithSentinels())
{
this.rehash();
}
}
}
@Override
public void remove(byte key)
{
this.removeKey(key);
}
@Override
public boolean removeKeyIfAbsent(byte key, boolean value)
{
if (isEmptyKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsZeroKey)
{
return value;
}
boolean oldValue = this.getSentinelValues().zeroValue;
this.removeEmptyKey();
return oldValue;
}
if (isRemovedKey(key))
{
if (this.sentinelValues == null || !this.getSentinelValues().containsOneKey)
{
return value;
}
boolean oldValue = this.getSentinelValues().oneValue;
this.removeRemovedKey();
return oldValue;
}
int index = this.probe(key);
if (this.keys[index] == key)
{
this.keys[index] = REMOVED_KEY;
boolean oldValue = this.values.get(index);
this.values.set(index, this.getEmptyValue());
this.occupiedWithData--;
this.occupiedWithSentinels++;
if (this.occupiedWithSentinels > this.maxOccupiedWithSentinels())
{
this.rehash();
}
return oldValue;
}
return value;
}
@Override
public boolean equals(Object obj)
{
if (this == obj)
{
return true;
}
if (!(obj instanceof ByteBooleanMap))
{
return false;
}
ByteBooleanMap other = (ByteBooleanMap) obj;
if (this.size() != other.size())
{
return false;
}
if (this.sentinelValues == null)
{
if (other.containsKey(EMPTY_KEY) || other.containsKey(REMOVED_KEY))
{
return false;
}
}
else
{
if (this.getSentinelValues().containsZeroKey && (!other.containsKey(EMPTY_KEY) || this.getSentinelValues().zeroValue != other.getOrThrow(EMPTY_KEY)))
{
return false;
}
if (this.getSentinelValues().containsOneKey && (!other.containsKey(REMOVED_KEY) || this.getSentinelValues().oneValue != other.getOrThrow(REMOVED_KEY)))
{
return false;
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (this.isNonSentinelAtIndex(i) && (!other.containsKey(this.keys[i]) || this.getValueAtIndex(i) != other.getOrThrow(this.keys[i])))
{
return false;
}
}
return true;
}
@Override
public int hashCode()
{
int result = 0;
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
result += (int) EMPTY_KEY ^ (this.getSentinelValues().zeroValue ? 1231 : 1237);
}
if (this.getSentinelValues().containsOneKey)
{
result += (int) REMOVED_KEY ^ (this.getSentinelValues().oneValue ? 1231 : 1237);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
result += (int) this.keys[i] ^ (this.getValueAtIndex(i) ? 1231 : 1237);
}
}
return result;
}
@Override
public String toString()
{
StringBuilder appendable = new StringBuilder();
appendable.append("{");
boolean first = true;
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
appendable.append(EMPTY_KEY).append("=").append(this.getSentinelValues().zeroValue);
first = false;
}
if (this.getSentinelValues().containsOneKey)
{
if (!first)
{
appendable.append(", ");
}
appendable.append(REMOVED_KEY).append("=").append(this.getSentinelValues().oneValue);
first = false;
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (this.isNonSentinelAtIndex(i))
{
if (!first)
{
appendable.append(", ");
}
appendable.append(this.keys[i]).append("=").append(this.getValueAtIndex(i));
first = false;
}
}
appendable.append("}");
return appendable.toString();
}
@Override
public MutableBooleanIterator booleanIterator()
{
return new InternalBooleanIterator();
}
@Override
public void forEachKey(ByteProcedure procedure)
{
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
procedure.value(EMPTY_KEY);
}
if (this.getSentinelValues().containsOneKey)
{
procedure.value(REMOVED_KEY);
}
}
for (byte key : this.keys)
{
if (isNonSentinel(key))
{
procedure.value(key);
}
}
}
@Override
public void forEachKeyValue(ByteBooleanProcedure procedure)
{
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
procedure.value(EMPTY_KEY, this.getSentinelValues().zeroValue);
}
if (this.getSentinelValues().containsOneKey)
{
procedure.value(REMOVED_KEY, this.getSentinelValues().oneValue);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
procedure.value(this.keys[i], this.getValueAtIndex(i));
}
}
}
@Override
public ByteBooleanHashMap select(ByteBooleanPredicate predicate)
{
ByteBooleanHashMap result = new ByteBooleanHashMap();
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY, this.getSentinelValues().zeroValue))
{
result.put(EMPTY_KEY, this.getSentinelValues().zeroValue);
}
if (this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY, this.getSentinelValues().oneValue))
{
result.put(REMOVED_KEY, this.getSentinelValues().oneValue);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && predicate.accept(this.keys[i], this.getValueAtIndex(i)))
{
result.put(this.keys[i], this.getValueAtIndex(i));
}
}
return result;
}
@Override
public ByteBooleanHashMap reject(ByteBooleanPredicate predicate)
{
ByteBooleanHashMap result = new ByteBooleanHashMap();
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey && !predicate.accept(EMPTY_KEY, this.getSentinelValues().zeroValue))
{
result.put(EMPTY_KEY, this.getSentinelValues().zeroValue);
}
if (this.getSentinelValues().containsOneKey && !predicate.accept(REMOVED_KEY, this.getSentinelValues().oneValue))
{
result.put(REMOVED_KEY, this.getSentinelValues().oneValue);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]) && !predicate.accept(this.keys[i], this.getValueAtIndex(i)))
{
result.put(this.keys[i], this.getValueAtIndex(i));
}
}
return result;
}
@Override
public LazyByteIterable keysView()
{
return new KeysView();
}
@Override
public RichIterable keyValuesView()
{
return new KeyValuesView();
}
@Override
public void writeExternal(ObjectOutput out) throws IOException
{
out.writeInt(this.size());
/**
* @deprecated in 5.1.0.
*/
out.writeFloat(DEFAULT_LOAD_FACTOR);
if (this.sentinelValues != null)
{
if (this.getSentinelValues().containsZeroKey)
{
out.writeByte(EMPTY_KEY);
out.writeBoolean(this.getSentinelValues().zeroValue);
}
if (this.getSentinelValues().containsOneKey)
{
out.writeByte(REMOVED_KEY);
out.writeBoolean(this.getSentinelValues().oneValue);
}
}
for (int i = 0; i < this.keys.length; i++)
{
if (isNonSentinel(this.keys[i]))
{
out.writeByte(this.keys[i]);
out.writeBoolean(this.getValueAtIndex(i));
}
}
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
int size = in.readInt();
/**
* @deprecated in 5.1.0.
*/
in.readFloat();
for (int i = 0; i < size; i++)
{
this.put(in.readByte(), in.readBoolean());
}
}
private int maxOccupiedWithData()
{
int capacity = this.keys.length;
// need at least one free slot for open addressing
return Math.min(capacity - 1, capacity / OCCUPIED_DATA_RATIO);
}
private int maxOccupiedWithSentinels()
{
return this.keys.length / OCCUPIED_SENTINEL_RATIO;
}
private class InternalBooleanIterator implements MutableBooleanIterator
{
private int count;
private int position;
private byte lastKey;
private boolean handledZero;
private boolean handledOne;
private boolean canRemove;
@Override
public boolean hasNext()
{
return this.count < ByteBooleanHashMap.this.size();
}
@Override
public boolean next()
{
if (!this.hasNext())
{
throw new NoSuchElementException("next() called, but the iterator is exhausted");
}
this.count++;
this.canRemove = true;
if (!this.handledZero)
{
this.handledZero = true;
if (ByteBooleanHashMap.this.containsKey(EMPTY_KEY))
{
this.lastKey = EMPTY_KEY;
return ByteBooleanHashMap.this.getSentinelValues().zeroValue;
}
}
if (!this.handledOne)
{
this.handledOne = true;
if (ByteBooleanHashMap.this.containsKey(REMOVED_KEY))
{
this.lastKey = REMOVED_KEY;
return ByteBooleanHashMap.this.getSentinelValues().oneValue;
}
}
byte[] keys = ByteBooleanHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
this.lastKey = keys[this.position];
boolean result = ByteBooleanHashMap.this.values.get(this.position);
this.position++;
return result;
}
@Override
public void remove()
{
if (!this.canRemove)
{
throw new IllegalStateException();
}
ByteBooleanHashMap.this.removeKey(this.lastKey);
this.count--;
this.canRemove = false;
}
}
private class KeysView extends AbstractLazyByteIterable
{
@Override
public boolean isEmpty()
{
return ByteBooleanHashMap.this.isEmpty();
}
@Override
public boolean notEmpty()
{
return ByteBooleanHashMap.this.notEmpty();
}
@Override
public int size()
{
return ByteBooleanHashMap.this.size();
}
@Override
public boolean contains(byte key)
{
return ByteBooleanHashMap.this.containsKey(key);
}
@Override
public boolean containsAll(byte... keys)
{
for (byte key : keys)
{
if (!ByteBooleanHashMap.this.containsKey(key))
{
return false;
}
}
return true;
}
@Override
public boolean containsAll(ByteIterable source)
{
return source.allSatisfy(ByteBooleanHashMap.this::containsKey);
}
@Override
public ByteIterator byteIterator()
{
return new UnmodifiableByteIterator(new KeySetIterator());
}
/**
* @since 7.0.
*/
@Override
public void each(ByteProcedure procedure)
{
ByteBooleanHashMap.this.forEachKey(procedure);
}
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
try
{
appendable.append(start);
boolean first = true;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
appendable.append(String.valueOf(EMPTY_KEY));
first = false;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(REMOVED_KEY));
first = false;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key))
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(key));
first = false;
}
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
@Override
public int count(BytePredicate predicate)
{
int count = 0;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY))
{
count++;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY))
{
count++;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key) && predicate.accept(key))
{
count++;
}
}
return count;
}
@Override
public boolean anySatisfy(BytePredicate predicate)
{
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY))
{
return true;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY))
{
return true;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key) && predicate.accept(key))
{
return true;
}
}
return false;
}
@Override
public boolean allSatisfy(BytePredicate predicate)
{
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey && !predicate.accept(EMPTY_KEY))
{
return false;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey && !predicate.accept(REMOVED_KEY))
{
return false;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key) && !predicate.accept(key))
{
return false;
}
}
return true;
}
@Override
public byte detectIfNone(BytePredicate predicate, byte value)
{
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY))
{
return EMPTY_KEY;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY))
{
return REMOVED_KEY;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key) && predicate.accept(key))
{
return key;
}
}
return value;
}
@Override
public long sum()
{
long result = 0L;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
result += EMPTY_KEY;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
result += REMOVED_KEY;
}
}
for (byte key : ByteBooleanHashMap.this.keys)
{
if (isNonSentinel(key))
{
result += key;
}
}
return result;
}
@Override
public byte max()
{
if (this.isEmpty())
{
throw new NoSuchElementException();
}
ByteIterator iterator = this.byteIterator();
byte max = iterator.next();
while (iterator.hasNext())
{
byte value = iterator.next();
if (max < value)
{
max = value;
}
}
return max;
}
@Override
public byte min()
{
if (this.isEmpty())
{
throw new NoSuchElementException();
}
ByteIterator iterator = this.byteIterator();
byte min = iterator.next();
while (iterator.hasNext())
{
byte value = iterator.next();
if (value < min)
{
min = value;
}
}
return min;
}
@Override
public byte[] toSortedArray()
{
byte[] array = this.toArray();
Arrays.sort(array);
return array;
}
@Override
public byte[] toArray()
{
int size = ByteBooleanHashMap.this.size();
final byte[] result = new byte[size];
ByteBooleanHashMap.this.forEachKey(new ByteProcedure()
{
private int index;
@Override
public void value(byte each)
{
result[this.index] = each;
this.index++;
}
});
return result;
}
@Override
public T injectInto(T injectedValue, ObjectByteToObjectFunction function)
{
T result = injectedValue;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
result = function.valueOf(result, EMPTY_KEY);
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
result = function.valueOf(result, REMOVED_KEY);
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (isNonSentinel(ByteBooleanHashMap.this.keys[i]))
{
result = function.valueOf(result, ByteBooleanHashMap.this.keys[i]);
}
}
return result;
}
@Override
public MutableByteList toList()
{
return ByteArrayList.newList(this);
}
@Override
public MutableByteSet toSet()
{
return ByteHashSet.newSet(this);
}
@Override
public MutableByteBag toBag()
{
return ByteHashBag.newBag(this);
}
}
@Override
public MutableByteSet keySet()
{
return new KeySet();
}
private class KeySet extends AbstractMutableByteKeySet
{
@Override
protected byte getKeyAtIndex(int index)
{
return ByteBooleanHashMap.this.keys[index];
}
@Override
protected int getTableSize()
{
return ByteBooleanHashMap.this.keys.length;
}
@Override
protected MutableByteKeysMap getOuter()
{
return ByteBooleanHashMap.this;
}
@Override
protected SentinelValues getSentinelValues()
{
return ByteBooleanHashMap.this.sentinelValues;
}
@Override
public MutableByteIterator byteIterator()
{
return new KeySetIterator();
}
@Override
public boolean retainAll(ByteIterable source)
{
int oldSize = ByteBooleanHashMap.this.size();
final ByteSet sourceSet = source instanceof ByteSet ? (ByteSet) source : source.toSet();
ByteBooleanHashMap retained = ByteBooleanHashMap.this.select((byte key, boolean value) -> sourceSet.contains(key));
if (retained.size() != oldSize)
{
ByteBooleanHashMap.this.keys = retained.keys;
ByteBooleanHashMap.this.values = retained.values;
ByteBooleanHashMap.this.occupiedWithData = retained.occupiedWithData;
ByteBooleanHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels;
ByteBooleanHashMap.this.sentinelValues = retained.sentinelValues;
return true;
}
return false;
}
@Override
public boolean retainAll(byte... source)
{
return this.retainAll(ByteHashSet.newSetWith(source));
}
@Override
public ByteSet freeze()
{
throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".freeze() not implemented yet");
}
/**
* @since 9.2.
*/
@Override
public MutableByteSet newEmpty()
{
return new ByteHashSet();
}
}
@Override
public MutableBooleanCollection values()
{
return new ValuesCollection();
}
private class ValuesCollection extends AbstractBooleanValuesCollection
{
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
try
{
appendable.append(start);
boolean first = true;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
appendable.append(String.valueOf(ByteBooleanHashMap.this.getSentinelValues().zeroValue));
first = false;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(ByteBooleanHashMap.this.getSentinelValues().oneValue));
first = false;
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (ByteBooleanHashMap.this.isNonSentinelAtIndex(i))
{
if (!first)
{
appendable.append(separator);
}
appendable.append(String.valueOf(ByteBooleanHashMap.this.getValueAtIndex(i)));
first = false;
}
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
@Override
public MutableBooleanIterator booleanIterator()
{
return ByteBooleanHashMap.this.booleanIterator();
}
@Override
public boolean remove(boolean item)
{
int oldSize = ByteBooleanHashMap.this.size();
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey && item == ByteBooleanHashMap.this.getSentinelValues().zeroValue)
{
ByteBooleanHashMap.this.removeKey(EMPTY_KEY);
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey && item == ByteBooleanHashMap.this.getSentinelValues().oneValue)
{
ByteBooleanHashMap.this.removeKey(REMOVED_KEY);
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (isNonSentinel(ByteBooleanHashMap.this.keys[i]) && item == ByteBooleanHashMap.this.getValueAtIndex(i))
{
ByteBooleanHashMap.this.removeKey(ByteBooleanHashMap.this.keys[i]);
}
}
return oldSize != ByteBooleanHashMap.this.size();
}
@Override
public boolean retainAll(BooleanIterable source)
{
int oldSize = ByteBooleanHashMap.this.size();
final BooleanSet sourceSet = source instanceof BooleanSet ? (BooleanSet) source : source.toSet();
ByteBooleanHashMap retained = ByteBooleanHashMap.this.select((byte key, boolean value) -> sourceSet.contains(value));
if (retained.size() != oldSize)
{
ByteBooleanHashMap.this.keys = retained.keys;
ByteBooleanHashMap.this.values = retained.values;
ByteBooleanHashMap.this.occupiedWithData = retained.occupiedWithData;
ByteBooleanHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels;
ByteBooleanHashMap.this.sentinelValues = retained.sentinelValues;
return true;
}
return false;
}
}
private class KeySetIterator implements MutableByteIterator
{
private int count;
private int position;
private byte lastKey;
private boolean handledZero;
private boolean handledOne;
private boolean removed = true;
@Override
public boolean hasNext()
{
return this.count < ByteBooleanHashMap.this.size();
}
@Override
public byte next()
{
if (!this.hasNext())
{
throw new NoSuchElementException("next() called, but the iterator is exhausted");
}
this.count++;
this.removed = false;
if (!this.handledZero)
{
this.handledZero = true;
if (ByteBooleanHashMap.this.containsKey(EMPTY_KEY))
{
this.lastKey = EMPTY_KEY;
return this.lastKey;
}
}
if (!this.handledOne)
{
this.handledOne = true;
if (ByteBooleanHashMap.this.containsKey(REMOVED_KEY))
{
this.lastKey = REMOVED_KEY;
return this.lastKey;
}
}
byte[] keys = ByteBooleanHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
this.lastKey = keys[this.position];
this.position++;
return this.lastKey;
}
@Override
public void remove()
{
if (this.removed)
{
throw new IllegalStateException();
}
ByteBooleanHashMap.this.removeKey(this.lastKey);
this.count--;
this.removed = true;
}
}
private class KeyValuesView extends AbstractLazyIterable
{
@Override
public void each(Procedure procedure)
{
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
procedure.value(PrimitiveTuples.pair(EMPTY_KEY, ByteBooleanHashMap.this.getSentinelValues().zeroValue));
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
procedure.value(PrimitiveTuples.pair(REMOVED_KEY, ByteBooleanHashMap.this.getSentinelValues().oneValue));
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (isNonSentinel(ByteBooleanHashMap.this.keys[i]))
{
procedure.value(PrimitiveTuples.pair(ByteBooleanHashMap.this.keys[i], ByteBooleanHashMap.this.getValueAtIndex(i)));
}
}
}
@Override
public void forEachWithIndex(ObjectIntProcedure objectIntProcedure)
{
int index = 0;
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
objectIntProcedure.value(PrimitiveTuples.pair(EMPTY_KEY, ByteBooleanHashMap.this.getSentinelValues().zeroValue), index);
index++;
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
objectIntProcedure.value(PrimitiveTuples.pair(REMOVED_KEY, ByteBooleanHashMap.this.getSentinelValues().oneValue), index);
index++;
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (isNonSentinel(ByteBooleanHashMap.this.keys[i]))
{
objectIntProcedure.value(PrimitiveTuples.pair(ByteBooleanHashMap.this.keys[i], ByteBooleanHashMap.this.getValueAtIndex(i)), index);
index++;
}
}
}
@Override
public void forEachWith(Procedure2 procedure, P parameter)
{
if (ByteBooleanHashMap.this.sentinelValues != null)
{
if (ByteBooleanHashMap.this.getSentinelValues().containsZeroKey)
{
procedure.value(PrimitiveTuples.pair(EMPTY_KEY, ByteBooleanHashMap.this.getSentinelValues().zeroValue), parameter);
}
if (ByteBooleanHashMap.this.getSentinelValues().containsOneKey)
{
procedure.value(PrimitiveTuples.pair(REMOVED_KEY, ByteBooleanHashMap.this.getSentinelValues().oneValue), parameter);
}
}
for (int i = 0; i < ByteBooleanHashMap.this.keys.length; i++)
{
if (isNonSentinel(ByteBooleanHashMap.this.keys[i]))
{
procedure.value(PrimitiveTuples.pair(ByteBooleanHashMap.this.keys[i], ByteBooleanHashMap.this.getValueAtIndex(i)), parameter);
}
}
}
@Override
public Iterator iterator()
{
return new InternalKeyValuesIterator();
}
public class InternalKeyValuesIterator implements Iterator
{
private int count;
private int position;
private boolean handledZero;
private boolean handledOne;
@Override
public ByteBooleanPair next()
{
if (!this.hasNext())
{
throw new NoSuchElementException("next() called, but the iterator is exhausted");
}
this.count++;
if (!this.handledZero)
{
this.handledZero = true;
if (ByteBooleanHashMap.this.containsKey(EMPTY_KEY))
{
return PrimitiveTuples.pair(EMPTY_KEY, ByteBooleanHashMap.this.getSentinelValues().zeroValue);
}
}
if (!this.handledOne)
{
this.handledOne = true;
if (ByteBooleanHashMap.this.containsKey(REMOVED_KEY))
{
return PrimitiveTuples.pair(REMOVED_KEY, ByteBooleanHashMap.this.getSentinelValues().oneValue);
}
}
byte[] keys = ByteBooleanHashMap.this.keys;
while (!isNonSentinel(keys[this.position]))
{
this.position++;
}
ByteBooleanPair result = PrimitiveTuples.pair(keys[this.position], ByteBooleanHashMap.this.values.get(this.position));
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 != ByteBooleanHashMap.this.size();
}
}
}
}