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.DoubleIterable;
import org.eclipse.collections.api.LazyDoubleIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableDoubleBag;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.set.primitive.ImmutableDoubleSet;
import org.eclipse.collections.api.set.primitive.DoubleSet;
import org.eclipse.collections.api.set.primitive.MutableDoubleSet;
import org.eclipse.collections.api.block.function.primitive.DoubleToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectDoubleToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.DoublePredicate;
import org.eclipse.collections.api.block.procedure.primitive.DoubleProcedure;
import org.eclipse.collections.api.iterator.DoubleIterator;
import org.eclipse.collections.api.list.primitive.MutableDoubleList;
import org.eclipse.collections.impl.bag.mutable.primitive.DoubleHashBag;
import org.eclipse.collections.impl.set.mutable.primitive.DoubleHashSet;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.DoubleSets;
import org.eclipse.collections.impl.iterator.ImmutableEmptyDoubleIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyDoubleIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.DoubleArrayList;
final class ImmutableDoubleEmptySet implements ImmutableDoubleSet, Serializable
{
static final ImmutableDoubleSet INSTANCE = new ImmutableDoubleEmptySet();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
@Override
public ImmutableDoubleSet newWith(double element)
{
return new ImmutableDoubleSingletonSet(element);
}
@Override
public ImmutableDoubleSet newWithout(double element)
{
return this;
}
@Override
public ImmutableDoubleSet newWithAll(DoubleIterable elements)
{
return DoubleSets.immutable.withAll(elements);
}
@Override
public ImmutableDoubleSet newWithoutAll(DoubleIterable 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(double value)
{
return false;
}
@Override
public boolean containsAll(DoubleIterable source)
{
return source.isEmpty();
}
@Override
public boolean containsAll(double... elements)
{
return elements.length == 0;
}
@Override
public void forEach(DoubleProcedure procedure)
{
}
@Override
public void each(DoubleProcedure procedure)
{
}
@Override
public ImmutableDoubleSet select(DoublePredicate predicate)
{
return this;
}
@Override
public ImmutableDoubleSet reject(DoublePredicate predicate)
{
return this;
}
@Override
public <V> ImmutableSet<V> collect(DoubleToObjectFunction<? extends V> function)
{
return Sets.immutable.of();
}
@Override
public MutableDoubleList toList()
{
return new DoubleArrayList();
}
@Override
public double detectIfNone(DoublePredicate predicate, double ifNone)
{
return ifNone;
}
@Override
public int count(DoublePredicate predicate)
{
return 0;
}
@Override
public boolean anySatisfy(DoublePredicate predicate)
{
return false;
}
@Override
public double sum()
{
return 0.0;
}
@Override
public double min()
{
throw new NoSuchElementException();
}
@Override
public double max()
{
throw new NoSuchElementException();
}
@Override
public double maxIfEmpty(double defaultValue)
{
return defaultValue;
}
@Override
public double minIfEmpty(double defaultValue)
{
return defaultValue;
}
@Override
public double average()
{
throw new ArithmeticException();
}
@Override
public double median()
{
throw new ArithmeticException();
}
@Override
public double[] toSortedArray()
{
return new double[0];
}
@Override
public MutableDoubleList toSortedList()
{
return new DoubleArrayList();
}
@Override
public boolean noneSatisfy(DoublePredicate predicate)
{
return true;
}
@Override
public boolean allSatisfy(DoublePredicate predicate)
{
return true;
}
@Override
public <T> T injectInto(T injectedValue, ObjectDoubleToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public RichIterable<DoubleIterable> chunk(int size)
{
return Lists.immutable.empty();
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (!(obj instanceof DoubleSet))
{
return false;
}
DoubleSet set = (DoubleSet) obj;
return set.isEmpty();
}
@Override
public int hashCode()
{
return 0;
}
@Override
public MutableDoubleSet toSet()
{
return new DoubleHashSet();
}
@Override
public MutableDoubleBag toBag()
{
return new DoubleHashBag();
}
@Override
public DoubleSet freeze()
{
return this;
}
@Override
public ImmutableDoubleSet toImmutable()
{
return this;
}
@Override
public LazyDoubleIterable asLazy()
{
return new LazyDoubleIterableAdapter(this);
}
@Override
public double[] toArray()
{
return new double[0];
}
@Override
public double[] toArray(double[] 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 DoubleIterator doubleIterator()
{
return ImmutableEmptyDoubleIterator.INSTANCE;
}
}