/*
* Copyright 2014 Goldman Sachs.
*
* 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 com.gs.collections.impl.list.mutable.primitive;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.BitSet;
import java.util.NoSuchElementException;
import com.gs.collections.api.BooleanIterable;
import com.gs.collections.api.LazyBooleanIterable;
import com.gs.collections.api.bag.primitive.MutableBooleanBag;
import com.gs.collections.api.block.function.primitive.BooleanToObjectFunction;
import com.gs.collections.api.block.function.primitive.ObjectBooleanIntToObjectFunction;
import com.gs.collections.api.block.function.primitive.ObjectBooleanToObjectFunction;
import com.gs.collections.api.block.predicate.primitive.BooleanPredicate;
import com.gs.collections.api.block.procedure.primitive.BooleanIntProcedure;
import com.gs.collections.api.block.procedure.primitive.BooleanProcedure;
import com.gs.collections.api.iterator.BooleanIterator;
import com.gs.collections.api.list.MutableList;
import com.gs.collections.api.list.primitive.BooleanList;
import com.gs.collections.api.list.primitive.ImmutableBooleanList;
import com.gs.collections.api.list.primitive.MutableBooleanList;
import com.gs.collections.api.set.primitive.BooleanSet;
import com.gs.collections.api.set.primitive.MutableBooleanSet;
import com.gs.collections.impl.bag.mutable.primitive.BooleanHashBag;
import com.gs.collections.impl.factory.primitive.BooleanLists;
import com.gs.collections.impl.lazy.primitive.LazyBooleanIterableAdapter;
import com.gs.collections.impl.lazy.primitive.ReverseBooleanIterable;
import com.gs.collections.impl.list.mutable.FastList;
import com.gs.collections.impl.set.mutable.primitive.BooleanHashSet;
import net.jcip.annotations.NotThreadSafe;
/**
* BooleanArrayList is similar to {@link FastList}, and is memory-optimized for boolean primitives.
*
* @since 3.0.
*/
@NotThreadSafe
public final class BooleanArrayList
implements MutableBooleanList, Externalizable
{
private static final long serialVersionUID = 1L;
private int size;
private transient BitSet items;
public BooleanArrayList()
{
}
public BooleanArrayList(int initialCapacity)
{
if (initialCapacity != 0)
{
this.items = new BitSet(initialCapacity);
}
}
public BooleanArrayList(boolean... array)
{
this.size = array.length;
this.items = new BitSet(array.length);
for (int i = 0; i < array.length; i++)
{
if (array[i])
{
this.items.set(i);
}
}
}
private BooleanArrayList(BooleanIterable booleanIterable)
{
BooleanIterator booleanIterator = booleanIterable.booleanIterator();
while (booleanIterator.hasNext())
{
this.add(booleanIterator.next());
}
}
public static BooleanArrayList newListWith(boolean... array)
{
return new BooleanArrayList(array);
}
public static BooleanArrayList newList(BooleanIterable source)
{
return new BooleanArrayList(source);
}
public int size()
{
return this.size;
}
public boolean isEmpty()
{
return this.size == 0;
}
public boolean notEmpty()
{
return this.size > 0;
}
public void clear()
{
if (this.items != null)
{
this.items.clear();
this.size = 0;
}
}
public boolean contains(boolean value)
{
for (int i = 0; i < this.size; i++)
{
if (this.items.get(i) == value)
{
return true;
}
}
return false;
}
public boolean containsAll(boolean... source)
{
for (boolean value : source)
{
if (!this.contains(value))
{
return false;
}
}
return true;
}
public boolean containsAll(BooleanIterable source)
{
for (BooleanIterator iterator = source.booleanIterator(); iterator.hasNext(); )
{
if (!this.contains(iterator.next()))
{
return false;
}
}
return true;
}
public boolean get(int index)
{
if (index < this.size)
{
return this.items.get(index);
}
throw this.newIndexOutOfBoundsException(index);
}
private IndexOutOfBoundsException newIndexOutOfBoundsException(int index)
{
return new IndexOutOfBoundsException("Index: " + index + " Size: " + this.size);
}
public boolean getFirst()
{
this.checkEmpty();
return this.items.get(0);
}
public boolean getLast()
{
this.checkEmpty();
return this.items.get(this.size() - 1);
}
private void checkEmpty()
{
if (this.isEmpty())
{
throw this.newIndexOutOfBoundsException(0);
}
}
public int indexOf(boolean object)
{
for (int i = 0; i < this.size; i++)
{
if (this.items.get(i) == object)
{
return i;
}
}
return -1;
}
public int lastIndexOf(boolean object)
{
for (int i = this.size - 1; i >= 0; i--)
{
if (this.items.get(i) == object)
{
return i;
}
}
return -1;
}
public boolean add(boolean newItem)
{
if (this.size == 0)
{
this.items = new BitSet();
}
if (newItem)
{
this.items.set(this.size);
}
this.size++;
return true;
}
public boolean addAll(boolean... source)
{
if (source.length < 1)
{
return false;
}
for (boolean sourceItem : source)
{
this.add(sourceItem);
}
return true;
}
public boolean addAll(BooleanIterable source)
{
return this.addAll(source.toArray());
}
public void addAtIndex(int index, boolean element)
{
if (index > -1 && index < this.size)
{
this.addAtIndexLessThanSize(index, element);
}
else if (index == this.size)
{
this.add(element);
}
else
{
throw this.newIndexOutOfBoundsException(index);
}
}
private void addAtIndexLessThanSize(int index, boolean element)
{
for (int i = this.size + 1; i > index; i--)
{
this.items.set(i, this.items.get(i - 1));
}
this.items.set(index, element);
this.size++;
}
public boolean addAllAtIndex(int index, boolean... source)
{
if (index > this.size || index < 0)
{
throw this.newIndexOutOfBoundsException(index);
}
if (source.length == 0)
{
return false;
}
int sourceSize = source.length;
int newSize = this.size + sourceSize;
for (int i = newSize; i > index; i--)
{
this.items.set(i, this.items.get(i - sourceSize));
}
for (int i = 0; i < sourceSize; i++)
{
this.items.set(i + index, source[i]);
}
this.size = newSize;
return true;
}
public boolean addAllAtIndex(int index, BooleanIterable source)
{
return this.addAllAtIndex(index, source.toArray());
}
public boolean remove(boolean value)
{
int index = this.indexOf(value);
if (index >= 0)
{
this.removeAtIndex(index);
return true;
}
return false;
}
public boolean removeAll(BooleanIterable source)
{
boolean modified = false;
for (int i = 0; i < this.size; i++)
{
if (source.contains(this.items.get(i)))
{
this.removeAtIndex(i);
i--;
modified = true;
}
}
return modified;
}
public boolean removeAll(boolean... source)
{
if (this.isEmpty() || source.length == 0)
{
return false;
}
BooleanHashSet set = BooleanHashSet.newSetWith(source);
if (set.size() == 2)
{
this.items = null;
this.size = 0;
return true;
}
int oldSize = this.size;
int trueCount = this.getTrueCount();
if (set.contains(true))
{
this.size -= trueCount;
this.items.set(0, this.size, false);
}
else
{
this.size = trueCount;
this.items.set(0, this.size, true);
}
return oldSize != this.size;
}
public boolean retainAll(BooleanIterable source)
{
int oldSize = this.size();
final BooleanSet sourceSet = source instanceof BooleanSet ? (BooleanSet) source : source.toSet();
BooleanArrayList retained = this.select(new BooleanPredicate()
{
public boolean accept(boolean value)
{
return sourceSet.contains(value);
}
});
this.size = retained.size;
this.items = retained.items;
return oldSize != this.size();
}
public boolean retainAll(boolean... source)
{
return this.retainAll(BooleanHashSet.newSetWith(source));
}
private int getTrueCount()
{
int count = 0;
for (int i = 0; i < this.size; i++)
{
if (this.items.get(i))
{
count++;
}
}
return count;
}
public boolean removeAtIndex(int index)
{
boolean previous = this.get(index);
if (this.size - index > 1)
{
for (int i = index; i < this.size; i++)
{
this.items.set(i, this.items.get(i + 1));
}
}
--this.size;
this.items.clear(this.size);
return previous;
}
public boolean set(int index, boolean element)
{
boolean previous = this.get(index);
this.items.set(index, element);
return previous;
}
public BooleanArrayList with(boolean element)
{
this.add(element);
return this;
}
public BooleanArrayList without(boolean element)
{
this.remove(element);
return this;
}
public BooleanArrayList withAll(BooleanIterable elements)
{
this.addAll(elements.toArray());
return this;
}
public BooleanArrayList withoutAll(BooleanIterable elements)
{
this.removeAll(elements);
return this;
}
public BooleanArrayList with(boolean element1, boolean element2)
{
this.add(element1);
this.add(element2);
return this;
}
public BooleanArrayList with(boolean element1, boolean element2, boolean element3)
{
this.add(element1);
this.add(element2);
this.add(element3);
return this;
}
public BooleanArrayList with(boolean element1, boolean element2, boolean element3, boolean... elements)
{
this.add(element1);
this.add(element2);
this.add(element3);
this.addAll(elements);
return this;
}
public BooleanIterator booleanIterator()
{
return new InternalBooleanIterator();
}
public void forEach(BooleanProcedure procedure)
{
for (int i = 0; i < this.size; i++)
{
procedure.value(this.items.get(i));
}
}
public void forEachWithIndex(BooleanIntProcedure procedure)
{
for (int i = 0; i < this.size; i++)
{
procedure.value(this.items.get(i), i);
}
}
public <T> T injectInto(T injectedValue, ObjectBooleanToObjectFunction<? super T, ? extends T> function)
{
T result = injectedValue;
for (int i = 0; i < this.size; i++)
{
result = function.valueOf(result, this.items.get(i));
}
return result;
}
public <T> T injectIntoWithIndex(T injectedValue, ObjectBooleanIntToObjectFunction<? super T, ? extends T> function)
{
T result = injectedValue;
for (int i = 0; i < this.size; i++)
{
result = function.valueOf(result, this.items.get(i), i);
}
return result;
}
public int count(BooleanPredicate predicate)
{
int count = 0;
for (int i = 0; i < this.size; i++)
{
if (predicate.accept(this.items.get(i)))
{
count++;
}
}
return count;
}
public boolean anySatisfy(BooleanPredicate predicate)
{
for (int i = 0; i < this.size; i++)
{
if (predicate.accept(this.items.get(i)))
{
return true;
}
}
return false;
}
public boolean allSatisfy(BooleanPredicate predicate)
{
for (int i = 0; i < this.size; i++)
{
if (!predicate.accept(this.items.get(i)))
{
return false;
}
}
return true;
}
public boolean noneSatisfy(BooleanPredicate predicate)
{
for (int i = 0; i < this.size; i++)
{
if (predicate.accept(this.items.get(i)))
{
return false;
}
}
return true;
}
public BooleanArrayList select(BooleanPredicate predicate)
{
BooleanArrayList result = new BooleanArrayList();
for (int i = 0; i < this.size; i++)
{
boolean item = this.items.get(i);
if (predicate.accept(item))
{
result.add(item);
}
}
return result;
}
public BooleanArrayList reject(BooleanPredicate predicate)
{
BooleanArrayList result = new BooleanArrayList();
for (int i = 0; i < this.size; i++)
{
boolean item = this.items.get(i);
if (!predicate.accept(item))
{
result.add(item);
}
}
return result;
}
public LazyBooleanIterable asReversed()
{
return new ReverseBooleanIterable(this);
}
public BooleanArrayList reverseThis()
{
int endIndex = this.size - 1;
for (int i = 0; i < this.size / 2; i++)
{
boolean tempSwapValue = this.items.get(i);
this.items.set(i, this.items.get(endIndex - i));
this.items.set(endIndex - i, tempSwapValue);
}
return this;
}
public MutableBooleanList asUnmodifiable()
{
return new UnmodifiableBooleanList(this);
}
public MutableBooleanList asSynchronized()
{
return new SynchronizedBooleanList(this);
}
public ImmutableBooleanList toImmutable()
{
if (this.size == 0)
{
return BooleanLists.immutable.with();
}
if (this.size == 1)
{
return BooleanLists.immutable.with(this.items.get(0));
}
return BooleanLists.immutable.with(this.toArray());
}
public MutableBooleanList subList(int fromIndex, int toIndex)
{
throw new UnsupportedOperationException("subList not yet implemented!");
}
public BooleanArrayList toReversed()
{
return new BooleanArrayList(this.asReversed());
}
public boolean detectIfNone(BooleanPredicate predicate, boolean ifNone)
{
for (int i = 0; i < this.size; i++)
{
boolean item = this.items.get(i);
if (predicate.accept(item))
{
return item;
}
}
return ifNone;
}
public <V> MutableList<V> collect(BooleanToObjectFunction<? extends V> function)
{
FastList<V> target = FastList.newList(this.size);
for (int i = 0; i < this.size; i++)
{
target.add(function.valueOf(this.items.get(i)));
}
return target;
}
public boolean[] toArray()
{
boolean[] newItems = new boolean[this.size];
for (int i = 0; i < this.size; i++)
{
newItems[i] = this.items.get(i);
}
return newItems;
}
@Override
public boolean equals(Object otherList)
{
if (otherList == this)
{
return true;
}
if (!(otherList instanceof BooleanList))
{
return false;
}
BooleanList list = (BooleanList) otherList;
if (this.size != list.size())
{
return false;
}
for (int i = 0; i < this.size; i++)
{
if (this.items.get(i) != list.get(i))
{
return false;
}
}
return true;
}
@Override
public int hashCode()
{
int hashCode = 1;
for (int i = 0; i < this.size; i++)
{
boolean item = this.items.get(i);
hashCode = 31 * hashCode + (item ? 1231 : 1237);
}
return hashCode;
}
@Override
public String toString()
{
return this.makeString("[", ", ", "]");
}
public String makeString()
{
return this.makeString(", ");
}
public String makeString(String separator)
{
return this.makeString("", separator, "");
}
public String makeString(String start, String separator, String end)
{
Appendable stringBuilder = new StringBuilder();
this.appendString(stringBuilder, start, separator, end);
return stringBuilder.toString();
}
public void appendString(Appendable appendable)
{
this.appendString(appendable, ", ");
}
public void appendString(Appendable appendable, String separator)
{
this.appendString(appendable, "", separator, "");
}
public void appendString(
Appendable appendable,
String start,
String separator,
String end)
{
try
{
appendable.append(start);
for (int i = 0; i < this.size; i++)
{
if (i > 0)
{
appendable.append(separator);
}
boolean value = this.items.get(i);
appendable.append(String.valueOf(value));
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
public MutableBooleanList toList()
{
return BooleanArrayList.newList(this);
}
public MutableBooleanSet toSet()
{
return BooleanHashSet.newSet(this);
}
public MutableBooleanBag toBag()
{
return BooleanHashBag.newBag(this);
}
public LazyBooleanIterable asLazy()
{
return new LazyBooleanIterableAdapter(this);
}
public void writeExternal(ObjectOutput out) throws IOException
{
out.writeInt(this.size());
for (int i = 0; i < this.size; i++)
{
out.writeBoolean(this.items.get(i));
}
}
public void readExternal(ObjectInput in) throws IOException
{
this.size = in.readInt();
if (this.size > 0)
{
this.items = new BitSet();
for (int i = 0; i < this.size; i++)
{
this.items.set(i, in.readBoolean());
}
}
}
private class InternalBooleanIterator implements BooleanIterator
{
/**
* Index of element to be returned by subsequent call to next.
*/
private int currentIndex;
public boolean hasNext()
{
return this.currentIndex != BooleanArrayList.this.size();
}
public boolean next()
{
if (!this.hasNext())
{
throw new NoSuchElementException();
}
boolean next = BooleanArrayList.this.get(this.currentIndex);
this.currentIndex++;
return next;
}
}
}