/*
 * Copyright (c) 2020 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.CharIterable;
import org.eclipse.collections.api.LazyCharIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableCharBag;
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.CharBooleanToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.CharToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectCharToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.CharBooleanPredicate;
import org.eclipse.collections.api.block.predicate.primitive.CharPredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.CharBooleanProcedure;
import org.eclipse.collections.api.block.procedure.primitive.CharProcedure;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.collection.primitive.MutableBooleanCollection;
import org.eclipse.collections.api.iterator.CharIterator;
import org.eclipse.collections.api.iterator.MutableBooleanIterator;
import org.eclipse.collections.api.iterator.MutableCharIterator;
import org.eclipse.collections.api.list.primitive.MutableCharList;
import org.eclipse.collections.api.map.primitive.CharBooleanMap;
import org.eclipse.collections.api.map.primitive.ImmutableCharBooleanMap;
import org.eclipse.collections.api.map.primitive.MutableCharBooleanMap;
import org.eclipse.collections.api.set.primitive.BooleanSet;
import org.eclipse.collections.api.set.primitive.CharSet;
import org.eclipse.collections.api.set.primitive.MutableCharSet;
import org.eclipse.collections.api.tuple.primitive.CharBooleanPair;
import org.eclipse.collections.impl.SpreadFunctions;
import org.eclipse.collections.impl.bag.mutable.primitive.CharHashBag;
import org.eclipse.collections.impl.factory.primitive.CharBooleanMaps;
import org.eclipse.collections.impl.iterator.UnmodifiableCharIterator;
import org.eclipse.collections.impl.lazy.AbstractLazyIterable;
import org.eclipse.collections.impl.lazy.primitive.AbstractLazyCharIterable;
import org.eclipse.collections.impl.list.mutable.primitive.CharArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.CharHashSet;
import org.eclipse.collections.impl.tuple.primitive.PrimitiveTuples;

This file was automatically generated from template file primitiveBooleanHashMap.stg.
Since:3.0.
/** * This file was automatically generated from template file primitiveBooleanHashMap.stg. * * @since 3.0. */
public class CharBooleanHashMap extends AbstractMutableBooleanValuesMap implements MutableCharBooleanMap, MutableCharKeysMap, Externalizable { static final boolean EMPTY_VALUE = false; private static final long serialVersionUID = 1L; private static final char EMPTY_KEY = '\0'; private static final char REMOVED_KEY = (char) 1;
Deprecated:in 5.1.0.
/** * @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 = 2; private static final int INITIAL_LINEAR_PROBE = CACHE_LINE_SIZE / KEY_SIZE / 2; /* half a cache line */ private char[] keys; private BitSet values; private int occupiedWithData; private int occupiedWithSentinels; private SentinelValues sentinelValues; public CharBooleanHashMap() { this.allocateTable(DEFAULT_INITIAL_CAPACITY << 1); } public CharBooleanHashMap(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 CharBooleanHashMap(CharBooleanMap map) { this(Math.max(map.size(), DEFAULT_INITIAL_CAPACITY)); this.putAll(map); }
Deprecated:in 5.1.0.
/** * @deprecated in 5.1.0. */
@Deprecated public CharBooleanHashMap(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 MutableCharBooleanMap asUnmodifiable() { return new UnmodifiableCharBooleanMap(this); } @Override public MutableCharBooleanMap asSynchronized() { return new SynchronizedCharBooleanMap(this); } @Override public ImmutableCharBooleanMap toImmutable() { return CharBooleanMaps.immutable.withAll(this); } public static CharBooleanHashMap newWithKeysValues(char key1, boolean value1) { return new CharBooleanHashMap(1).withKeyValue(key1, value1); } public static CharBooleanHashMap newWithKeysValues(char key1, boolean value1, char key2, boolean value2) { return new CharBooleanHashMap(2).withKeysValues(key1, value1, key2, value2); } public static CharBooleanHashMap newWithKeysValues(char key1, boolean value1, char key2, boolean value2, char key3, boolean value3) { return new CharBooleanHashMap(3).withKeysValues(key1, value1, key2, value2, key3, value3); } public static CharBooleanHashMap newWithKeysValues(char key1, boolean value1, char key2, boolean value2, char key3, boolean value3, char key4, boolean value4) { return new CharBooleanHashMap(4).withKeysValues(key1, value1, key2, value2, key3, value3, key4, value4); } @Override public CharBooleanHashMap withKeyValue(char key1, boolean value1) { this.put(key1, value1); return this; } public CharBooleanHashMap withKeysValues(char key1, boolean value1, char key2, boolean value2) { this.put(key1, value1); this.put(key2, value2); return this; } public CharBooleanHashMap withKeysValues(char key1, boolean value1, char key2, boolean value2, char key3, boolean value3) { this.put(key1, value1); this.put(key2, value2); this.put(key3, value3); return this; } public CharBooleanHashMap withKeysValues(char key1, boolean value1, char key2, boolean value2, char key3, boolean value3, char key4, boolean value4) { this.put(key1, value1); this.put(key2, value2); this.put(key3, value3); this.put(key4, value4); return this; } @Override public CharBooleanHashMap withoutKey(char key) { this.removeKey(key); return this; } @Override public CharBooleanHashMap withoutAllKeys(CharIterable 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(char key) { return key == EMPTY_KEY; } private static boolean isRemovedKey(char key) { return key == REMOVED_KEY; } private static boolean isNonSentinel(char key) { return !isEmptyKey(key) && !isRemovedKey(key); } protected void allocateTable(int sizeToAllocate) { this.keys = new char[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.
/** * 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; char[] 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(char element) { int index = this.spreadAndMask(element); char keyAtIndex = this.keys[index]; if (keyAtIndex == element || keyAtIndex == EMPTY_KEY) { return index; } int removedIndex = keyAtIndex == REMOVED_KEY ? index : -1; for (int i = 1; i < INITIAL_LINEAR_PROBE; i++) { int nextIndex = (index + i) & (this.keys.length - 1); keyAtIndex = this.keys[nextIndex]; if (keyAtIndex == element) { return nextIndex; } if (keyAtIndex == EMPTY_KEY) { return removedIndex == -1 ? nextIndex : removedIndex; } if (keyAtIndex == REMOVED_KEY && removedIndex == -1) { removedIndex = nextIndex; } } return this.probeTwo(element, removedIndex); } int probeTwo(char element, int removedIndex) { int index = this.spreadTwoAndMask(element); for (int i = 0; i < INITIAL_LINEAR_PROBE; i++) { int nextIndex = (index + i) & (this.keys.length - 1); char keyAtIndex = this.keys[nextIndex]; if (keyAtIndex == element) { return nextIndex; } if (keyAtIndex == EMPTY_KEY) { return removedIndex == -1 ? nextIndex : removedIndex; } if (keyAtIndex == REMOVED_KEY && removedIndex == -1) { removedIndex = nextIndex; } } return this.probeThree(element, removedIndex); } int probeThree(char element, int removedIndex) { int nextIndex = Integer.reverse(SpreadFunctions.charSpreadOne(element)); int spreadTwo = Integer.reverse(SpreadFunctions.charSpreadTwo(element)) | 1; while (true) { nextIndex = this.mask(nextIndex + spreadTwo); char keyAtIndex = this.keys[nextIndex]; if (keyAtIndex == element) { return nextIndex; } if (keyAtIndex == EMPTY_KEY) { return removedIndex == -1 ? nextIndex : removedIndex; } if (keyAtIndex == REMOVED_KEY && removedIndex == -1) { removedIndex = nextIndex; } } } // exposed for testing int spreadAndMask(char element) { int code = SpreadFunctions.charSpreadOne(element); return this.mask(code); } int spreadTwoAndMask(char element) { int code = SpreadFunctions.charSpreadTwo(element); return this.mask(code); } 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(char 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(CharBooleanMap map) { map.forEachKeyValue(this::put); } @Override public void updateValues(CharBooleanToBooleanFunction 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(char 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(char key) { return this.getIfAbsent(key, this.getEmptyValue()); } @Override public boolean getIfAbsent(char 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(char 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(char 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(char 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 <P> boolean getIfAbsentPutWith(char key, BooleanFunction<? super P> 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(char key, CharToBooleanFunction 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(char 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(char 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(char 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(char key) { this.removeKey(key); } @Override public boolean removeKeyIfAbsent(char 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 CharBooleanMap)) { return false; } CharBooleanMap other = (CharBooleanMap) 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(CharProcedure procedure) { if (this.sentinelValues != null) { if (this.getSentinelValues().containsZeroKey) { procedure.value(EMPTY_KEY); } if (this.getSentinelValues().containsOneKey) { procedure.value(REMOVED_KEY); } } for (char key : this.keys) { if (isNonSentinel(key)) { procedure.value(key); } } } @Override public void forEachKeyValue(CharBooleanProcedure 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 CharBooleanHashMap select(CharBooleanPredicate predicate) { CharBooleanHashMap result = new CharBooleanHashMap(); 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 CharBooleanHashMap reject(CharBooleanPredicate predicate) { CharBooleanHashMap result = new CharBooleanHashMap(); 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 LazyCharIterable keysView() { return new KeysView(); } @Override public RichIterable<CharBooleanPair> 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.writeChar(EMPTY_KEY); out.writeBoolean(this.getSentinelValues().zeroValue); } if (this.getSentinelValues().containsOneKey) { out.writeChar(REMOVED_KEY); out.writeBoolean(this.getSentinelValues().oneValue); } } for (int i = 0; i < this.keys.length; i++) { if (isNonSentinel(this.keys[i])) { out.writeChar(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.readChar(), 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 char lastKey; private boolean handledZero; private boolean handledOne; private boolean canRemove; @Override public boolean hasNext() { return this.count < CharBooleanHashMap.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 (CharBooleanHashMap.this.containsKey(EMPTY_KEY)) { this.lastKey = EMPTY_KEY; return CharBooleanHashMap.this.getSentinelValues().zeroValue; } } if (!this.handledOne) { this.handledOne = true; if (CharBooleanHashMap.this.containsKey(REMOVED_KEY)) { this.lastKey = REMOVED_KEY; return CharBooleanHashMap.this.getSentinelValues().oneValue; } } char[] keys = CharBooleanHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } this.lastKey = keys[this.position]; boolean result = CharBooleanHashMap.this.values.get(this.position); this.position++; return result; } @Override public void remove() { if (!this.canRemove) { throw new IllegalStateException(); } CharBooleanHashMap.this.removeKey(this.lastKey); this.count--; this.canRemove = false; } } private class KeysView extends AbstractLazyCharIterable { @Override public boolean isEmpty() { return CharBooleanHashMap.this.isEmpty(); } @Override public boolean notEmpty() { return CharBooleanHashMap.this.notEmpty(); } @Override public int size() { return CharBooleanHashMap.this.size(); } @Override public boolean contains(char key) { return CharBooleanHashMap.this.containsKey(key); } @Override public boolean containsAll(char... keys) { for (char key : keys) { if (!CharBooleanHashMap.this.containsKey(key)) { return false; } } return true; } @Override public boolean containsAll(CharIterable source) { return source.allSatisfy(CharBooleanHashMap.this::containsKey); } @Override public CharIterator charIterator() { return new UnmodifiableCharIterator(new KeySetIterator()); }
Since:7.0.
/** * @since 7.0. */
@Override public void each(CharProcedure procedure) { CharBooleanHashMap.this.forEachKey(procedure); } @Override public void appendString(Appendable appendable, String start, String separator, String end) { try { appendable.append(start); boolean first = true; if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { appendable.append(String.valueOf(EMPTY_KEY)); first = false; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { if (!first) { appendable.append(separator); } appendable.append(String.valueOf(REMOVED_KEY)); first = false; } } for (char key : CharBooleanHashMap.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(CharPredicate predicate) { int count = 0; if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY)) { count++; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY)) { count++; } } for (char key : CharBooleanHashMap.this.keys) { if (isNonSentinel(key) && predicate.accept(key)) { count++; } } return count; } @Override public boolean anySatisfy(CharPredicate predicate) { if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY)) { return true; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY)) { return true; } } for (char key : CharBooleanHashMap.this.keys) { if (isNonSentinel(key) && predicate.accept(key)) { return true; } } return false; } @Override public boolean allSatisfy(CharPredicate predicate) { if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey && !predicate.accept(EMPTY_KEY)) { return false; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey && !predicate.accept(REMOVED_KEY)) { return false; } } for (char key : CharBooleanHashMap.this.keys) { if (isNonSentinel(key) && !predicate.accept(key)) { return false; } } return true; } @Override public boolean noneSatisfy(CharPredicate predicate) { return !this.anySatisfy(predicate); } @Override public char detectIfNone(CharPredicate predicate, char value) { if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey && predicate.accept(EMPTY_KEY)) { return EMPTY_KEY; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey && predicate.accept(REMOVED_KEY)) { return REMOVED_KEY; } } for (char key : CharBooleanHashMap.this.keys) { if (isNonSentinel(key) && predicate.accept(key)) { return key; } } return value; } @Override public long sum() { long result = 0L; if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { result += EMPTY_KEY; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { result += REMOVED_KEY; } } for (char key : CharBooleanHashMap.this.keys) { if (isNonSentinel(key)) { result += key; } } return result; } @Override public char max() { if (this.isEmpty()) { throw new NoSuchElementException(); } CharIterator iterator = this.charIterator(); char max = iterator.next(); while (iterator.hasNext()) { char value = iterator.next(); if (max < value) { max = value; } } return max; } @Override public char min() { if (this.isEmpty()) { throw new NoSuchElementException(); } CharIterator iterator = this.charIterator(); char min = iterator.next(); while (iterator.hasNext()) { char value = iterator.next(); if (value < min) { min = value; } } return min; } @Override public char[] toSortedArray() { char[] array = this.toArray(); Arrays.sort(array); return array; } @Override public char[] toArray() { int size = CharBooleanHashMap.this.size(); final char[] result = new char[size]; CharBooleanHashMap.this.forEachKey(new CharProcedure() { private int index; @Override public void value(char each) { result[this.index] = each; this.index++; } }); return result; } @Override public <T> T injectInto(T injectedValue, ObjectCharToObjectFunction<? super T, ? extends T> function) { T result = injectedValue; if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { result = function.valueOf(result, EMPTY_KEY); } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { result = function.valueOf(result, REMOVED_KEY); } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (isNonSentinel(CharBooleanHashMap.this.keys[i])) { result = function.valueOf(result, CharBooleanHashMap.this.keys[i]); } } return result; } @Override public MutableCharList toList() { return CharArrayList.newList(this); } @Override public MutableCharSet toSet() { return CharHashSet.newSet(this); } @Override public MutableCharBag toBag() { return CharHashBag.newBag(this); } } @Override public MutableCharSet keySet() { return new KeySet(); } private class KeySet extends AbstractMutableCharKeySet { @Override protected char getKeyAtIndex(int index) { return CharBooleanHashMap.this.keys[index]; } @Override protected int getTableSize() { return CharBooleanHashMap.this.keys.length; } @Override protected MutableCharKeysMap getOuter() { return CharBooleanHashMap.this; } @Override protected SentinelValues getSentinelValues() { return CharBooleanHashMap.this.sentinelValues; } @Override public MutableCharIterator charIterator() { return new KeySetIterator(); } @Override public boolean retainAll(CharIterable source) { int oldSize = CharBooleanHashMap.this.size(); final CharSet sourceSet = source instanceof CharSet ? (CharSet) source : source.toSet(); CharBooleanHashMap retained = CharBooleanHashMap.this.select((char key, boolean value) -> sourceSet.contains(key)); if (retained.size() != oldSize) { CharBooleanHashMap.this.keys = retained.keys; CharBooleanHashMap.this.values = retained.values; CharBooleanHashMap.this.occupiedWithData = retained.occupiedWithData; CharBooleanHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels; CharBooleanHashMap.this.sentinelValues = retained.sentinelValues; return true; } return false; } @Override public boolean retainAll(char... source) { return this.retainAll(CharHashSet.newSetWith(source)); } @Override public CharSet freeze() { throw new UnsupportedOperationException(this.getClass().getSimpleName() + ".freeze() not implemented yet"); }
Since:9.2.
/** * @since 9.2. */
@Override public MutableCharSet newEmpty() { return new CharHashSet(); } } @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 (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { appendable.append(String.valueOf(CharBooleanHashMap.this.getSentinelValues().zeroValue)); first = false; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { if (!first) { appendable.append(separator); } appendable.append(String.valueOf(CharBooleanHashMap.this.getSentinelValues().oneValue)); first = false; } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (CharBooleanHashMap.this.isNonSentinelAtIndex(i)) { if (!first) { appendable.append(separator); } appendable.append(String.valueOf(CharBooleanHashMap.this.getValueAtIndex(i))); first = false; } } appendable.append(end); } catch (IOException e) { throw new RuntimeException(e); } } @Override public MutableBooleanIterator booleanIterator() { return CharBooleanHashMap.this.booleanIterator(); } @Override public boolean remove(boolean item) { int oldSize = CharBooleanHashMap.this.size(); if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey && item == CharBooleanHashMap.this.getSentinelValues().zeroValue) { CharBooleanHashMap.this.removeKey(EMPTY_KEY); } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey && item == CharBooleanHashMap.this.getSentinelValues().oneValue) { CharBooleanHashMap.this.removeKey(REMOVED_KEY); } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (isNonSentinel(CharBooleanHashMap.this.keys[i]) && item == CharBooleanHashMap.this.getValueAtIndex(i)) { CharBooleanHashMap.this.removeKey(CharBooleanHashMap.this.keys[i]); } } return oldSize != CharBooleanHashMap.this.size(); } @Override public boolean retainAll(BooleanIterable source) { int oldSize = CharBooleanHashMap.this.size(); final BooleanSet sourceSet = source instanceof BooleanSet ? (BooleanSet) source : source.toSet(); CharBooleanHashMap retained = CharBooleanHashMap.this.select((char key, boolean value) -> sourceSet.contains(value)); if (retained.size() != oldSize) { CharBooleanHashMap.this.keys = retained.keys; CharBooleanHashMap.this.values = retained.values; CharBooleanHashMap.this.occupiedWithData = retained.occupiedWithData; CharBooleanHashMap.this.occupiedWithSentinels = retained.occupiedWithSentinels; CharBooleanHashMap.this.sentinelValues = retained.sentinelValues; return true; } return false; } } private class KeySetIterator implements MutableCharIterator { private int count; private int position; private char lastKey; private boolean handledZero; private boolean handledOne; private boolean removed = true; @Override public boolean hasNext() { return this.count < CharBooleanHashMap.this.size(); } @Override public char 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 (CharBooleanHashMap.this.containsKey(EMPTY_KEY)) { this.lastKey = EMPTY_KEY; return this.lastKey; } } if (!this.handledOne) { this.handledOne = true; if (CharBooleanHashMap.this.containsKey(REMOVED_KEY)) { this.lastKey = REMOVED_KEY; return this.lastKey; } } char[] keys = CharBooleanHashMap.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(); } CharBooleanHashMap.this.removeKey(this.lastKey); this.count--; this.removed = true; } } private class KeyValuesView extends AbstractLazyIterable<CharBooleanPair> { @Override public void each(Procedure<? super CharBooleanPair> procedure) { if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { procedure.value(PrimitiveTuples.pair(EMPTY_KEY, CharBooleanHashMap.this.getSentinelValues().zeroValue)); } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { procedure.value(PrimitiveTuples.pair(REMOVED_KEY, CharBooleanHashMap.this.getSentinelValues().oneValue)); } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (isNonSentinel(CharBooleanHashMap.this.keys[i])) { procedure.value(PrimitiveTuples.pair(CharBooleanHashMap.this.keys[i], CharBooleanHashMap.this.getValueAtIndex(i))); } } } @Override public void forEachWithIndex(ObjectIntProcedure<? super CharBooleanPair> objectIntProcedure) { int index = 0; if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { objectIntProcedure.value(PrimitiveTuples.pair(EMPTY_KEY, CharBooleanHashMap.this.getSentinelValues().zeroValue), index); index++; } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { objectIntProcedure.value(PrimitiveTuples.pair(REMOVED_KEY, CharBooleanHashMap.this.getSentinelValues().oneValue), index); index++; } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (isNonSentinel(CharBooleanHashMap.this.keys[i])) { objectIntProcedure.value(PrimitiveTuples.pair(CharBooleanHashMap.this.keys[i], CharBooleanHashMap.this.getValueAtIndex(i)), index); index++; } } } @Override public <P> void forEachWith(Procedure2<? super CharBooleanPair, ? super P> procedure, P parameter) { if (CharBooleanHashMap.this.sentinelValues != null) { if (CharBooleanHashMap.this.getSentinelValues().containsZeroKey) { procedure.value(PrimitiveTuples.pair(EMPTY_KEY, CharBooleanHashMap.this.getSentinelValues().zeroValue), parameter); } if (CharBooleanHashMap.this.getSentinelValues().containsOneKey) { procedure.value(PrimitiveTuples.pair(REMOVED_KEY, CharBooleanHashMap.this.getSentinelValues().oneValue), parameter); } } for (int i = 0; i < CharBooleanHashMap.this.keys.length; i++) { if (isNonSentinel(CharBooleanHashMap.this.keys[i])) { procedure.value(PrimitiveTuples.pair(CharBooleanHashMap.this.keys[i], CharBooleanHashMap.this.getValueAtIndex(i)), parameter); } } } @Override public Iterator<CharBooleanPair> iterator() { return new InternalKeyValuesIterator(); } public class InternalKeyValuesIterator implements Iterator<CharBooleanPair> { private int count; private int position; private boolean handledZero; private boolean handledOne; @Override public CharBooleanPair next() { if (!this.hasNext()) { throw new NoSuchElementException("next() called, but the iterator is exhausted"); } this.count++; if (!this.handledZero) { this.handledZero = true; if (CharBooleanHashMap.this.containsKey(EMPTY_KEY)) { return PrimitiveTuples.pair(EMPTY_KEY, CharBooleanHashMap.this.getSentinelValues().zeroValue); } } if (!this.handledOne) { this.handledOne = true; if (CharBooleanHashMap.this.containsKey(REMOVED_KEY)) { return PrimitiveTuples.pair(REMOVED_KEY, CharBooleanHashMap.this.getSentinelValues().oneValue); } } char[] keys = CharBooleanHashMap.this.keys; while (!isNonSentinel(keys[this.position])) { this.position++; } CharBooleanPair result = PrimitiveTuples.pair(keys[this.position], CharBooleanHashMap.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 != CharBooleanHashMap.this.size(); } } } }