/*
 * Copyright (c) 2018 Goldman Sachs.
 * 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.immutable.primitive;

import java.io.IOException;
import java.io.Serializable;
import java.util.NoSuchElementException;
import java.util.Set;

import org.eclipse.collections.api.LazyIntIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.IntIterable;
import org.eclipse.collections.api.bag.primitive.MutableIntBag;
import org.eclipse.collections.api.block.function.primitive.IntToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectIntToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.ObjectIntPredicate;
import org.eclipse.collections.api.block.predicate.primitive.IntPredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.block.procedure.primitive.IntProcedure;
import org.eclipse.collections.api.collection.ImmutableCollection;
import org.eclipse.collections.api.collection.primitive.ImmutableIntCollection;
import org.eclipse.collections.api.collection.primitive.MutableIntCollection;
import org.eclipse.collections.api.iterator.IntIterator;
import org.eclipse.collections.api.list.primitive.MutableIntList;
import org.eclipse.collections.api.map.primitive.ImmutableObjectIntMap;
import org.eclipse.collections.api.map.primitive.ImmutableIntObjectMap;
import org.eclipse.collections.api.map.primitive.ObjectIntMap;
import org.eclipse.collections.api.set.primitive.MutableIntSet;
import org.eclipse.collections.api.tuple.primitive.ObjectIntPair;
import org.eclipse.collections.impl.bag.mutable.primitive.IntHashBag;
import org.eclipse.collections.impl.collection.mutable.primitive.UnmodifiableIntCollection;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.IntLists;
import org.eclipse.collections.impl.factory.primitive.IntObjectMaps;
import org.eclipse.collections.impl.iterator.ImmutableEmptyIntIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyIntIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.IntArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.IntHashSet;
import org.eclipse.collections.impl.utility.LazyIterate;

ImmutableObjectIntEmptyMap is an optimization for ImmutableObjectIntMap of size 0. This file was automatically generated from template file immutableObjectPrimitiveEmptyMap.stg.
Since:4.0.
/** * ImmutableObjectIntEmptyMap is an optimization for {@link ImmutableObjectIntMap} of size 0. * This file was automatically generated from template file immutableObjectPrimitiveEmptyMap.stg. * * @since 4.0. */
final class ImmutableObjectIntEmptyMap<K> implements ImmutableObjectIntMap<K>, Serializable { static final ImmutableObjectIntMap<?> INSTANCE = new ImmutableObjectIntEmptyMap<>(); private static final long serialVersionUID = 1L; private static final int EMPTY_VALUE = 0; private Object readResolve() { return INSTANCE; } @Override public IntIterator intIterator() { return ImmutableEmptyIntIterator.INSTANCE; } @Override public void forEach(IntProcedure procedure) { }
Since:7.0.
/** * @since 7.0. */
@Override public void each(IntProcedure procedure) { } @Override public int count(IntPredicate predicate) { return 0; } @Override public boolean anySatisfy(IntPredicate predicate) { return false; } @Override public boolean allSatisfy(IntPredicate predicate) { return true; } @Override public boolean noneSatisfy(IntPredicate predicate) { return true; } @Override public ImmutableIntCollection select(IntPredicate predicate) { return IntLists.immutable.with(); } @Override public ImmutableIntCollection reject(IntPredicate predicate) { return IntLists.immutable.with(); } @Override public int detectIfNone(IntPredicate predicate, int ifNone) { return ifNone; } @Override public <V> ImmutableCollection<V> collect(IntToObjectFunction<? extends V> function) { return Lists.immutable.of(); } @Override public long sum() { return 0L; } @Override public int min() { throw new NoSuchElementException(); } @Override public int max() { throw new NoSuchElementException(); } @Override public int maxIfEmpty(int defaultValue) { return defaultValue; } @Override public int minIfEmpty(int defaultValue) { return defaultValue; } @Override public double average() { throw new ArithmeticException(); } @Override public double median() { throw new ArithmeticException(); } @Override public int[] toSortedArray() { return new int[0]; } @Override public MutableIntList toSortedList() { return new IntArrayList(); } @Override public int[] toArray() { return new int[0]; } @Override public boolean contains(int value) { return false; } @Override public boolean containsAll(int... source) { return source.length == 0; } @Override public boolean containsAll(IntIterable source) { return source.isEmpty(); } @Override public MutableIntList toList() { return new IntArrayList(); } @Override public MutableIntSet toSet() { return new IntHashSet(); } @Override public MutableIntBag toBag() { return new IntHashBag(); } @Override public LazyIntIterable asLazy() { return new LazyIntIterableAdapter(this); } @Override public ImmutableObjectIntMap<K> newWithKeyValue(K key, int value) { return new ImmutableObjectIntSingletonMap<>(key, value); } @Override public ImmutableObjectIntMap<K> newWithoutKey(K key) { return this; } @Override public ImmutableObjectIntMap<K> newWithoutAllKeys(Iterable<? extends K> keys) { return this; } @Override public int get(Object key) { return EMPTY_VALUE; } @Override public int getOrThrow(Object key) { throw new IllegalStateException("Key " + key + " not present."); } @Override public int getIfAbsent(Object key, int ifAbsent) { return ifAbsent; } @Override public boolean containsKey(Object key) { return false; } @Override public boolean containsValue(int value) { return false; } @Override public void forEachValue(IntProcedure procedure) { } @Override public void forEachKey(Procedure<? super K> procedure) { } @Override public void forEachKeyValue(ObjectIntProcedure<? super K> objectIntProcedure) { } @Override public ImmutableObjectIntMap<K> select(ObjectIntPredicate<? super K> objectIntPredicate) { return this; } @Override public ImmutableObjectIntMap<K> reject(ObjectIntPredicate<? super K> objectIntPredicate) { return this; } @Override public ImmutableObjectIntMap<K> toImmutable() { return this; } @Override public int size() { return 0; } @Override public boolean isEmpty() { return true; } @Override public boolean notEmpty() { return false; } @Override public <T> T injectInto(T injectedValue, ObjectIntToObjectFunction<? super T, ? extends T> function) { return injectedValue; } @Override public RichIterable<IntIterable> chunk(int size) { return Lists.immutable.empty(); } @Override public Set<K> keySet() { return Sets.immutable.<K>of().castToSet(); } @Override public MutableIntCollection values() { return UnmodifiableIntCollection.of(new IntArrayList()); } @Override public LazyIterable<K> keysView() { return LazyIterate.empty(); } @Override public RichIterable<ObjectIntPair<K>> keyValuesView() { return LazyIterate.empty(); } @Override public ImmutableIntObjectMap<K> flipUniqueValues() { return IntObjectMaps.immutable.empty(); } @Override public boolean equals(Object obj) { if (obj == this) { return true; } if (!(obj instanceof ObjectIntMap)) { return false; } ObjectIntMap<K> map = (ObjectIntMap<K>) obj; return map.isEmpty(); } @Override public int hashCode() { return 0; } @Override public String toString() { return "{}"; } @Override public String makeString() { return ""; } @Override public String makeString(String separator) { return ""; } @Override public String makeString(String start, String separator, String end) { return start + end; } @Override public void appendString(Appendable appendable) { } @Override public void appendString(Appendable appendable, String separator) { } @Override public void appendString(Appendable appendable, String start, String separator, String end) { try { appendable.append(start); appendable.append(end); } catch (IOException e) { throw new RuntimeException(e); } } }