package org.eclipse.collections.impl.set.immutable.primitive;
import java.io.IOException;
import java.io.Serializable;
import java.util.NoSuchElementException;
import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.LazyLongIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableLongBag;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.set.primitive.ImmutableLongSet;
import org.eclipse.collections.api.set.primitive.LongSet;
import org.eclipse.collections.api.set.primitive.MutableLongSet;
import org.eclipse.collections.api.block.function.primitive.LongToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectLongToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.LongPredicate;
import org.eclipse.collections.api.block.procedure.primitive.LongProcedure;
import org.eclipse.collections.api.iterator.LongIterator;
import org.eclipse.collections.api.list.primitive.MutableLongList;
import org.eclipse.collections.impl.bag.mutable.primitive.LongHashBag;
import org.eclipse.collections.impl.set.mutable.primitive.LongHashSet;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.LongSets;
import org.eclipse.collections.impl.iterator.ImmutableEmptyLongIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyLongIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.LongArrayList;
final class ImmutableLongEmptySet implements ImmutableLongSet, Serializable
{
static final ImmutableLongSet INSTANCE = new ImmutableLongEmptySet();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
@Override
public ImmutableLongSet newWith(long element)
{
return new ImmutableLongSingletonSet(element);
}
@Override
public ImmutableLongSet newWithout(long element)
{
return this;
}
@Override
public ImmutableLongSet newWithAll(LongIterable elements)
{
return LongSets.immutable.withAll(elements);
}
@Override
public ImmutableLongSet newWithoutAll(LongIterable elements)
{
return this;
}
@Override
public int size()
{
return 0;
}
@Override
public boolean isEmpty()
{
return true;
}
@Override
public boolean notEmpty()
{
return false;
}
@Override
public boolean contains(long value)
{
return false;
}
@Override
public boolean containsAll(LongIterable source)
{
return source.isEmpty();
}
@Override
public boolean containsAll(long... elements)
{
return elements.length == 0;
}
@Override
public void forEach(LongProcedure procedure)
{
}
@Override
public void each(LongProcedure procedure)
{
}
@Override
public ImmutableLongSet select(LongPredicate predicate)
{
return this;
}
@Override
public ImmutableLongSet reject(LongPredicate predicate)
{
return this;
}
@Override
public <V> ImmutableSet<V> collect(LongToObjectFunction<? extends V> function)
{
return Sets.immutable.of();
}
@Override
public MutableLongList toList()
{
return new LongArrayList();
}
@Override
public long detectIfNone(LongPredicate predicate, long ifNone)
{
return ifNone;
}
@Override
public int count(LongPredicate predicate)
{
return 0;
}
@Override
public boolean anySatisfy(LongPredicate predicate)
{
return false;
}
@Override
public long sum()
{
return 0L;
}
@Override
public long min()
{
throw new NoSuchElementException();
}
@Override
public long max()
{
throw new NoSuchElementException();
}
@Override
public long maxIfEmpty(long defaultValue)
{
return defaultValue;
}
@Override
public long minIfEmpty(long defaultValue)
{
return defaultValue;
}
@Override
public double average()
{
throw new ArithmeticException();
}
@Override
public double median()
{
throw new ArithmeticException();
}
@Override
public long[] toSortedArray()
{
return new long[0];
}
@Override
public MutableLongList toSortedList()
{
return new LongArrayList();
}
@Override
public boolean noneSatisfy(LongPredicate predicate)
{
return true;
}
@Override
public boolean allSatisfy(LongPredicate predicate)
{
return true;
}
@Override
public <T> T injectInto(T injectedValue, ObjectLongToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public RichIterable<LongIterable> chunk(int size)
{
return Lists.immutable.empty();
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (!(obj instanceof LongSet))
{
return false;
}
LongSet set = (LongSet) obj;
return set.isEmpty();
}
@Override
public int hashCode()
{
return 0;
}
@Override
public MutableLongSet toSet()
{
return new LongHashSet();
}
@Override
public MutableLongBag toBag()
{
return new LongHashBag();
}
@Override
public LongSet freeze()
{
return this;
}
@Override
public ImmutableLongSet toImmutable()
{
return this;
}
@Override
public LazyLongIterable asLazy()
{
return new LazyLongIterableAdapter(this);
}
@Override
public long[] toArray()
{
return new long[0];
}
@Override
public long[] toArray(long[] target)
{
return target;
}
@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);
}
}
@Override
public LongIterator longIterator()
{
return ImmutableEmptyLongIterator.INSTANCE;
}
}