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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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> c) { throw new UnsupportedOperationException(); }
@Override
public boolean addAll(final Collection extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> o) { return list.compareTo(o); }
#else
@SuppressWarnings("unchecked")
public int compareTo(final BigList extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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 extends KEY_GENERIC_CLASS> 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
}