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fastutil extends the Java Collections Framework by providing type-specific maps, sets, lists, and queues with a small memory footprint and fast operations; it provides also big (64-bit) arrays, sets, and lists, sorting algorithms, fast, practical I/O classes for binary and text files, and facilities for memory mapping large files. This jar (fastutil-core.jar) contains data structures based on integers, longs, doubles, and objects, only; fastutil.jar contains all classes. If you have both jars in your dependencies, this jar should be excluded.

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/*
 * Copyright (C) 2002-2022 Sebastiano Vigna
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package PACKAGE;

import it.unimi.dsi.fastutil.BigList;
import it.unimi.dsi.fastutil.BigArrays;
import java.util.Collection;
import java.util.List;
import java.util.Random;

/** A class providing static methods and objects that do useful things with type-specific big lists.
 *
 * @see java.util.Collections
 * @see it.unimi.dsi.fastutil.BigList
 */

public final class BIG_LISTS {

	private BIG_LISTS() {}

	/** Shuffles the specified big list using the specified pseudorandom number generator.
	 *
	 * @param l the big list to be shuffled.
	 * @param random a pseudorandom number generator.
	 * @return {@code l}.
	 */
	public static KEY_GENERIC BIG_LIST KEY_GENERIC shuffle(final BIG_LIST KEY_GENERIC l, final Random random) {
		for(long i = l.size64(); i-- != 0;) {
			final long p = (random.nextLong() & 0x7FFFFFFFFFFFFFFFL) % (i + 1);
			final KEY_GENERIC_TYPE t = l.GET_KEY(i);
			l.set(i, l.GET_KEY(p));
			l.set(p, t);
		}
		return l;
	}


	/** An immutable class representing an empty type-specific big list.
	 *
	 * 

This class may be useful to implement your own in case you subclass * a type-specific list. */ public static class EmptyBigList KEY_GENERIC extends COLLECTIONS.EmptyCollection KEY_GENERIC implements BIG_LIST KEY_GENERIC, java.io.Serializable, Cloneable { private static final long serialVersionUID = -7046029254386353129L; protected EmptyBigList() {} @Override public KEY_GENERIC_TYPE GET_KEY(long i) { throw new IndexOutOfBoundsException(); } @Override public boolean REMOVE(KEY_TYPE k) { throw new UnsupportedOperationException(); } @Override public KEY_GENERIC_TYPE REMOVE_KEY(long i) { throw new UnsupportedOperationException(); } @Override public void add(final long index, final KEY_GENERIC_TYPE k) { throw new UnsupportedOperationException(); } @Override public KEY_GENERIC_TYPE set(final long index, final KEY_GENERIC_TYPE k) { throw new UnsupportedOperationException(); } @Override public long indexOf(KEY_TYPE k) { return -1; } @Override public long lastIndexOf(KEY_TYPE k) { return -1; } @Override public boolean addAll(long i, Collection c) { throw new UnsupportedOperationException(); } #if KEYS_PRIMITIVE @Override public boolean addAll(COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(BIG_LIST c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(long i, COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(long i, BIG_LIST c) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public void add(final long index, final KEY_GENERIC_CLASS k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public boolean add(final KEY_GENERIC_CLASS k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS get(long i) { throw new IndexOutOfBoundsException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS set(final long index, final KEY_GENERIC_CLASS k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS remove(long k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long indexOf(Object k) { return -1; } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long lastIndexOf(Object k) { return -1; } #endif @Override SUPPRESS_WARNINGS_KEY_UNCHECKED public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator() { return BIG_LIST_ITERATORS.EMPTY_BIG_LIST_ITERATOR; } @Override SUPPRESS_WARNINGS_KEY_UNCHECKED public KEY_BIG_LIST_ITERATOR KEY_GENERIC iterator() { return BIG_LIST_ITERATORS.EMPTY_BIG_LIST_ITERATOR; } @Override SUPPRESS_WARNINGS_KEY_UNCHECKED public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator(long i) { if (i == 0) return BIG_LIST_ITERATORS.EMPTY_BIG_LIST_ITERATOR; throw new IndexOutOfBoundsException(String.valueOf(i)); } @Override SUPPRESS_WARNINGS_KEY_UNCHECKED public KEY_SPLITERATOR KEY_GENERIC spliterator() { return SPLITERATORS.EMPTY_SPLITERATOR; } @Override public BIG_LIST KEY_GENERIC subList(long from, long to) { if (from == 0 && to == 0) return this; throw new IndexOutOfBoundsException(); } @Override public void getElements(long from, KEY_TYPE[][] a, long offset, long length) { BigArrays.ensureOffsetLength(a, offset, length); if (from != 0) throw new IndexOutOfBoundsException(); } @Override public void removeElements(long from, long to) { throw new UnsupportedOperationException(); } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][], long offset, long length) { throw new UnsupportedOperationException(); } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][]) { throw new UnsupportedOperationException(); } @Override public void size(long s) { throw new UnsupportedOperationException(); } @Override public long size64() { return 0; } #if ! KEYS_USE_REFERENCE_EQUALITY @Override public int compareTo(final BigList o) { if (o == this) return 0; return ((BigList)o).isEmpty() ? 0 : -1; } #endif @Override public Object clone() { return EMPTY_BIG_LIST; } @Override public int hashCode() { return 1; } @Override @SuppressWarnings("rawtypes") public boolean equals(Object o) { return o instanceof BigList && ((BigList)o).isEmpty(); } @Override public String toString() { return "[]"; } private Object readResolve() { return EMPTY_BIG_LIST; } } /** An empty big list (immutable). It is serializable and cloneable. */ SUPPRESS_WARNINGS_KEY_RAWTYPES public static final EmptyBigList EMPTY_BIG_LIST = new EmptyBigList(); #if KEYS_REFERENCE /** Returns an empty big list (immutable). It is serializable and cloneable. * *

This method provides a typesafe access to {@link #EMPTY_BIG_LIST}. * @return an empty big list (immutable). */ @SuppressWarnings("unchecked") public static KEY_GENERIC BIG_LIST KEY_GENERIC emptyList() { return EMPTY_BIG_LIST; } #endif /** An immutable class representing a type-specific singleton big list. * *

This class may be useful to implement your own in case you subclass * a type-specific big list. */ public static class Singleton KEY_GENERIC extends ABSTRACT_BIG_LIST KEY_GENERIC implements java.io.Serializable, Cloneable { private static final long serialVersionUID = -7046029254386353129L; private final KEY_GENERIC_TYPE element; protected Singleton(final KEY_GENERIC_TYPE element) { this.element = element; } @Override public KEY_GENERIC_TYPE GET_KEY(final long i) { if (i == 0) return element; throw new IndexOutOfBoundsException(); } @Override public boolean REMOVE(KEY_TYPE k) { throw new UnsupportedOperationException(); } @Override public KEY_GENERIC_TYPE REMOVE_KEY(final long i) { throw new UnsupportedOperationException(); } @Override public boolean contains(final KEY_TYPE k) { return KEY_EQUALS(k, element); } @Override public long indexOf(final KEY_TYPE k) { return KEY_EQUALS(k, element) ? 0 : -1; } /* Slightly optimized w.r.t. the one in ABSTRACT_SET. */ @Override public KEY_TYPE[] TO_KEY_ARRAY() { KEY_TYPE a[] = new KEY_TYPE[1]; a[0] = element; return a; } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator() { return BIG_LIST_ITERATORS.singleton(element); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator(long i) { if (i > 1 || i < 0) throw new IndexOutOfBoundsException(); KEY_BIG_LIST_ITERATOR KEY_GENERIC l = listIterator(); if (i == 1) l.NEXT_KEY(); return l; } @Override public KEY_SPLITERATOR KEY_GENERIC spliterator() { return SPLITERATORS.singleton(element); } @Override SUPPRESS_WARNINGS_KEY_UNCHECKED public BIG_LIST KEY_GENERIC subList(final long from, final long to) { ensureIndex(from); ensureIndex(to); if (from > to) throw new IndexOutOfBoundsException("Start index (" + from + ") is greater than end index (" + to + ")"); if (from != 0 || to != 1) return EMPTY_BIG_LIST; return this; } @Override public boolean addAll(long i, Collection c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final Collection c) { throw new UnsupportedOperationException(); } @Override public boolean removeAll(final Collection c) { throw new UnsupportedOperationException(); } @Override public boolean retainAll(final Collection c) { throw new UnsupportedOperationException(); } #if KEYS_PRIMITIVE @Override public boolean addAll(BIG_LIST c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(long i, BIG_LIST c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(long i, COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean removeAll(final COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean retainAll(final COLLECTION c) { throw new UnsupportedOperationException(); } #endif @Override public void clear() { throw new UnsupportedOperationException(); } @Override public long size64() { return 1; } @Override public Object clone() { return this; } } /** Returns a type-specific immutable big list containing only the specified element. The returned big list is serializable and cloneable. * * @param element the only element of the returned big list. * @return a type-specific immutable big list containing just {@code element}. */ public static KEY_GENERIC BIG_LIST KEY_GENERIC singleton(final KEY_GENERIC_TYPE element) { return new Singleton KEY_GENERIC_DIAMOND(element); } #if KEYS_PRIMITIVE /** Returns a type-specific immutable big list containing only the specified element. The returned big list is serializable and cloneable. * * @param element the only element of the returned big list. * @return a type-specific immutable big list containing just {@code element}. */ public static KEY_GENERIC BIG_LIST KEY_GENERIC singleton(final Object element) { return new Singleton KEY_GENERIC_DIAMOND(KEY_OBJ2TYPE(element)); } #endif /** A synchronized wrapper class for big lists. */ public static class SynchronizedBigList KEY_GENERIC extends COLLECTIONS.SynchronizedCollection KEY_GENERIC implements BIG_LIST KEY_GENERIC, java.io.Serializable { private static final long serialVersionUID = -7046029254386353129L; protected final BIG_LIST KEY_GENERIC list; // Due to the large number of methods that are not in COLLECTION, this is worth caching. protected SynchronizedBigList(final BIG_LIST KEY_GENERIC l, final Object sync) { super(l, sync); this.list = l; } protected SynchronizedBigList(final BIG_LIST KEY_GENERIC l) { super(l); this.list = l; } @Override public KEY_GENERIC_TYPE GET_KEY(final long i) { synchronized(sync) { return list.GET_KEY(i); } } @Override public KEY_GENERIC_TYPE set(final long i, final KEY_GENERIC_TYPE k) { synchronized(sync) { return list.set(i, k); } } @Override public void add(final long i, final KEY_GENERIC_TYPE k) { synchronized(sync) { list.add(i, k); } } @Override public KEY_GENERIC_TYPE REMOVE_KEY(final long i) { synchronized(sync) { return list.REMOVE_KEY(i); } } @Override public long indexOf(final KEY_TYPE k) { synchronized(sync) { return list.indexOf(k); } } @Override public long lastIndexOf(final KEY_TYPE k) { synchronized(sync) { return list.lastIndexOf(k); } } @Override public boolean addAll(final long index, final Collection c) { synchronized(sync) { return list.addAll(index, c); } } @Override public void getElements(final long from, final KEY_TYPE a[][], final long offset, final long length) { synchronized(sync) { list.getElements(from, a, offset, length); } } @Override public void removeElements(final long from, final long to) { synchronized(sync) { list.removeElements(from, to); } } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][], long offset, long length) { synchronized(sync) { list.addElements(index, a, offset, length); } } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][]) { synchronized(sync) { list.addElements(index, a); } } /* {@inheritDoc} * @deprecated Use {@link #size64()} instead. */ @Deprecated @Override public void size(final long size) { synchronized(sync) { list.size(size); } } @Override public long size64() { synchronized(sync) { return list.size64(); } } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC iterator() { return list.listIterator(); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator() { return list.listIterator(); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator(final long i) { return list.listIterator(i); } @Override public BIG_LIST KEY_GENERIC subList(final long from, final long to) { synchronized(sync) { return synchronize(list.subList(from, to), sync); } } @Override public boolean equals(final Object o) { if (o == this) return true; synchronized(sync) { return list.equals(o); } } @Override public int hashCode() { synchronized(sync) { return list.hashCode(); } } #if ! KEYS_USE_REFERENCE_EQUALITY @Override public int compareTo(final BigList o) { synchronized(sync) { return list.compareTo(o); } } #endif #if KEYS_PRIMITIVE @Override public boolean addAll(final long index, final COLLECTION c) { synchronized(sync) { return list.addAll(index, c); } } @Override public boolean addAll(final long index, BIG_LIST l) { synchronized(sync) { return list.addAll(index, l); } } @Override public boolean addAll(BIG_LIST l) { synchronized(sync) { return list.addAll(l); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public void add(final long i, KEY_GENERIC_CLASS k) { synchronized(sync) { list.add(i, k); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS get(final long i) { synchronized(sync) { return list.get(i); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS set(final long index, KEY_GENERIC_CLASS k) { synchronized(sync) { return list.set(index, k); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS remove(final long i) { synchronized(sync) { return list.remove(i); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long indexOf(final Object o) { synchronized(sync) { return list.indexOf(o); } } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long lastIndexOf(final Object o) { synchronized(sync) { return list.lastIndexOf(o); } } #endif } /** Returns a synchronized type-specific big list backed by the given type-specific big list. * * @param l the big list to be wrapped in a synchronized big list. * @return a synchronized view of the specified big list. * @see java.util.Collections#synchronizedList(List) */ public static KEY_GENERIC BIG_LIST KEY_GENERIC synchronize(final BIG_LIST KEY_GENERIC l) { return new SynchronizedBigList KEY_GENERIC_DIAMOND(l); } /** Returns a synchronized type-specific big list backed by the given type-specific big list, using an assigned object to synchronize. * * @param l the big list to be wrapped in a synchronized big list. * @param sync an object that will be used to synchronize the access to the big list. * @return a synchronized view of the specified big list. * @see java.util.Collections#synchronizedList(List) */ public static KEY_GENERIC BIG_LIST KEY_GENERIC synchronize(final BIG_LIST KEY_GENERIC l, final Object sync) { return new SynchronizedBigList KEY_GENERIC_DIAMOND(l, sync); } /** An unmodifiable wrapper class for big lists. */ public static class UnmodifiableBigList KEY_GENERIC extends COLLECTIONS.UnmodifiableCollection KEY_GENERIC implements BIG_LIST KEY_GENERIC, java.io.Serializable { private static final long serialVersionUID = -7046029254386353129L; protected final BIG_LIST KEY_EXTENDS_GENERIC list; // Due to the large number of methods that are not in COLLECTION, this is worth caching. protected UnmodifiableBigList(final BIG_LIST KEY_EXTENDS_GENERIC l) { super(l); this.list = l; } @Override public KEY_GENERIC_TYPE GET_KEY(final long i) { return list.GET_KEY(i); } @Override public KEY_GENERIC_TYPE set(final long i, final KEY_GENERIC_TYPE k) { throw new UnsupportedOperationException(); } @Override public void add(final long i, final KEY_GENERIC_TYPE k) { throw new UnsupportedOperationException(); } @Override public KEY_GENERIC_TYPE REMOVE_KEY(final long i) { throw new UnsupportedOperationException(); } @Override public long indexOf(final KEY_TYPE k) { return list.indexOf(k); } @Override public long lastIndexOf(final KEY_TYPE k) { return list.lastIndexOf(k); } @Override public boolean addAll(final long index, final Collection c) { throw new UnsupportedOperationException(); } @Override public void getElements(final long from, final KEY_TYPE a[][], final long offset, final long length) { list.getElements(from, a, offset, length); } @Override public void removeElements(final long from, final long to) { throw new UnsupportedOperationException(); } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][], long offset, long length) { throw new UnsupportedOperationException(); } @Override public void addElements(long index, final KEY_GENERIC_TYPE a[][]) { throw new UnsupportedOperationException(); } /* {@inheritDoc} * @deprecated Use {@link #size64()} instead. */ @Deprecated @Override public void size(final long size) { list.size(size); } @Override public long size64() { return list.size64(); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC iterator() { return listIterator(); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator() { return BIG_LIST_ITERATORS.unmodifiable(list.listIterator()); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator(final long i) { return BIG_LIST_ITERATORS.unmodifiable(list.listIterator(i)); } @Override public BIG_LIST KEY_GENERIC subList(final long from, final long to) { return unmodifiable(list.subList(from, to)); } @Override public boolean equals(final Object o) { if (o == this) return true; return list.equals(o); } @Override public int hashCode() { return list.hashCode(); } #if ! KEYS_USE_REFERENCE_EQUALITY @Override #if KEYS_PRIMITIVE public int compareTo(final BigList o) { return list.compareTo(o); } #else @SuppressWarnings("unchecked") public int compareTo(final BigList o) { return ((BIG_LIST KEY_GENERIC)list).compareTo(o); } #endif #endif #if KEYS_PRIMITIVE @Override public boolean addAll(final long index, final COLLECTION c) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final BIG_LIST l) { throw new UnsupportedOperationException(); } @Override public boolean addAll(final long index, final BIG_LIST l) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS get(final long i) { return list.get(i); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public void add(final long i, KEY_GENERIC_CLASS k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS set(final long index, KEY_GENERIC_CLASS k) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public KEY_GENERIC_CLASS remove(final long i) { throw new UnsupportedOperationException(); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long indexOf(final Object o) { return list.indexOf(o); } /** {@inheritDoc} * @deprecated Please use the corresponding type-specific method instead. */ @Deprecated @Override public long lastIndexOf(final Object o) { return list.lastIndexOf(o); } #endif } /** Returns an unmodifiable type-specific big list backed by the given type-specific big list. * * @param l the big list to be wrapped in an unmodifiable big list. * @return an unmodifiable view of the specified big list. * @see java.util.Collections#unmodifiableList(List) */ public static KEY_GENERIC BIG_LIST KEY_GENERIC unmodifiable(final BIG_LIST KEY_EXTENDS_GENERIC l) { return new UnmodifiableBigList KEY_GENERIC_DIAMOND(l); } /** A class exposing a list as a big list. */ public static class ListBigList KEY_GENERIC extends ABSTRACT_BIG_LIST KEY_GENERIC implements java.io.Serializable { private static final long serialVersionUID = -7046029254386353129L; private final LIST KEY_GENERIC list; protected ListBigList(final LIST KEY_GENERIC list) { this.list = list; } private int intIndex(long index) { if (index >= Integer.MAX_VALUE) throw new IndexOutOfBoundsException("This big list is restricted to 32-bit indices"); return (int)index; } @Override public long size64() { return list.size(); } @Override public void size(final long size) { list.size(intIndex(size)); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC iterator() { return BIG_LIST_ITERATORS.asBigListIterator(list.iterator()); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator() { return BIG_LIST_ITERATORS.asBigListIterator(list.listIterator()); } @Override public KEY_BIG_LIST_ITERATOR KEY_GENERIC listIterator(final long index) { return BIG_LIST_ITERATORS.asBigListIterator(list.listIterator(intIndex(index))); } @Override public boolean addAll(final long index, final Collection c) { return list.addAll(intIndex(index), c); } @Override public BIG_LIST KEY_GENERIC subList(long from, long to) { return new ListBigList KEY_GENERIC_DIAMOND(list.subList(intIndex(from), intIndex(to))); } @Override public boolean contains(final KEY_TYPE key) { return list.contains(key); } @Override public KEY_TYPE[] TO_KEY_ARRAY() { return list.TO_KEY_ARRAY(); } @Override public void removeElements(final long from, final long to) { list.removeElements(intIndex(from), intIndex(to)); } #if KEYS_PRIMITIVE /* {@inheritDoc} * @deprecated Please use {@code toArray()} instead—this method is redundant and will be removed in the future. */ @Deprecated @Override public KEY_TYPE[] TO_KEY_ARRAY(KEY_TYPE[] a) { return list.toArray(a); } @Override public boolean addAll(long index, COLLECTION KEY_GENERIC c) { return list.addAll(intIndex(index), c); } @Override public boolean addAll(COLLECTION KEY_GENERIC c) { return list.addAll(c); } @Override public boolean addAll(long index, BIG_LIST KEY_GENERIC c) { return list.addAll(intIndex(index), c); } @Override public boolean addAll(BIG_LIST KEY_GENERIC c) { return list.addAll(c); } @Override public boolean containsAll(COLLECTION KEY_GENERIC c) { return list.containsAll(c); } @Override public boolean removeAll(COLLECTION KEY_GENERIC c) { return list.removeAll(c); } @Override public boolean retainAll(COLLECTION KEY_GENERIC c) { return list.retainAll(c); } #endif @Override public void add(long index, KEY_GENERIC_TYPE key) { list.add(intIndex(index), key); } @Override public boolean add(KEY_GENERIC_TYPE key) { return list.add(key); } @Override public KEY_GENERIC_TYPE GET_KEY(long index) { return list.GET_KEY(intIndex(index)); } @Override public long indexOf(KEY_TYPE k) { return list.indexOf(k); } @Override public long lastIndexOf(KEY_TYPE k) { return list.lastIndexOf(k); } @Override public KEY_GENERIC_TYPE REMOVE_KEY(long index) { return list.REMOVE_KEY(intIndex(index)); } @Override public KEY_GENERIC_TYPE set(long index, KEY_GENERIC_TYPE k) { return list.set(intIndex(index), k); } @Override public boolean isEmpty() { return list.isEmpty(); } @Override public T[] toArray(T[] a) { return list.toArray(a); } @Override public boolean containsAll(Collection c) { return list.containsAll(c); } @Override public boolean addAll(Collection c) { return list.addAll(c); } @Override public boolean removeAll(Collection c) { return list.removeAll(c); } @Override public boolean retainAll(Collection c) { return list.retainAll(c); } @Override public void clear() { list.clear(); } @Override public int hashCode() { return list.hashCode(); } } /** Returns a big list backed by the specified list. * * @param list a list. * @return a big list backed by the specified list. */ public static KEY_GENERIC BIG_LIST KEY_GENERIC asBigList(final LIST KEY_GENERIC list) { return new ListBigList KEY_GENERIC_DIAMOND(list); } #ifdef TEST private static KEY_TYPE genKey() { #if KEY_CLASS_Byte || KEY_CLASS_Short || KEY_CLASS_Character return (KEY_TYPE)(r.nextInt()); #elif KEYS_PRIMITIVE return r.NEXT_KEY(); #elif KEY_CLASS_Object return Integer.toBinaryString(r.nextInt()); #else return new java.io.Serializable() {}; #endif } private static void testLists(KEY_TYPE k, BIG_LIST m, BIG_LIST t, int level) throws Exception { int n = 100; int c; long ms; boolean mThrowsIllegal, tThrowsIllegal, mThrowsNoElement, tThrowsNoElement, mThrowsIndex, tThrowsIndex, mThrowsUnsupp, tThrowsUnsupp; boolean rt = false, rm = false; Object Rt = null, Rm = null; if (level == 0) return; /* Now we check that m and t are equal. */ if (!m.equals(t) || ! t.equals(m)) System.err.println("m: " + m + " t: " + t); ensure(m.equals(t), "Error (" + level + ", " + seed + "): ! m.equals(t) at start"); ensure(t.equals(m), "Error (" + level + ", " + seed + "): ! t.equals(m) at start"); /* Now we check that m actually holds that data. */ for(java.util.Iterator i=t.iterator(); i.hasNext();) { ensure(m.contains(i.next()), "Error (" + level + ", " + seed + "): m and t differ on an entry after insertion (iterating on t)"); } /* Now we check that m actually holds that data, but iterating on m. */ for(java.util.Iterator i=m.listIterator(); i.hasNext();) { ensure(t.contains(i.next()), "Error (" + level + ", " + seed + "): m and t differ on an entry after insertion (iterating on m)"); } /* Now we check that inquiries about random data give the same answer in m and t. For m we use the polymorphic method. */ for(int i=0; i "Error (" + level + ", " + seed + m + t + "): ! m.equals(t) after subList"); ensure(t.equals(m), "Error (" + level + ", " + seed + "): ! t.equals(m) after subList"); } return; } private static void test() throws Exception { KEY_TYPE k = genKey(); BIG_LIST m = new Singleton(k); BIG_LIST u = BIG_LISTS.unmodifiable(BIG_LISTS.asBigList(LISTS.singleton(KEY2OBJ(k)))); testLists(k, m, u, 3); System.out.println("Test OK"); } private static long seed = System.currentTimeMillis(); private static java.util.Random r = new java.util.Random(seed); private static java.text.NumberFormat format = new java.text.DecimalFormat("#,###.00"); private static java.text.FieldPosition fp = new java.text.FieldPosition(0); private static String format(double d) { StringBuffer s = new StringBuffer(); return format.format(d, s, fp).toString(); } private static void fatal(String msg) { throw new AssertionError(msg); } private static void ensure(boolean cond, String msg) { if (cond) return; fatal(msg); } private static void ensure(boolean cond, java.util.function.Supplier msgSupplier) { if (cond) return; fatal(msgSupplier.get()); } /** This method expects as first argument a lower-cased type (e.g., "int"), * and as second optional argument a seed. */ public static void main(String arg[]) throws Exception { if (arg.length > 1) r = new java.util.Random(seed = Long.parseLong(arg[1])); try { test(); } catch(Throwable e) { e.printStackTrace(System.err); System.err.println("seed: " + seed); throw e; } } #endif }





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