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.CharIterable;
import org.eclipse.collections.api.LazyCharIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.primitive.MutableCharBag;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.set.primitive.ImmutableCharSet;
import org.eclipse.collections.api.set.primitive.CharSet;
import org.eclipse.collections.api.set.primitive.MutableCharSet;
import org.eclipse.collections.api.block.function.primitive.CharToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectCharToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.CharPredicate;
import org.eclipse.collections.api.block.procedure.primitive.CharProcedure;
import org.eclipse.collections.api.iterator.CharIterator;
import org.eclipse.collections.api.list.primitive.MutableCharList;
import org.eclipse.collections.impl.bag.mutable.primitive.CharHashBag;
import org.eclipse.collections.impl.set.mutable.primitive.CharHashSet;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.impl.factory.Sets;
import org.eclipse.collections.impl.factory.primitive.CharSets;
import org.eclipse.collections.impl.iterator.ImmutableEmptyCharIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyCharIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.CharArrayList;
final class ImmutableCharEmptySet implements ImmutableCharSet, Serializable
{
static final ImmutableCharSet INSTANCE = new ImmutableCharEmptySet();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
@Override
public ImmutableCharSet newWith(char element)
{
return new ImmutableCharSingletonSet(element);
}
@Override
public ImmutableCharSet newWithout(char element)
{
return this;
}
@Override
public ImmutableCharSet newWithAll(CharIterable elements)
{
return CharSets.immutable.withAll(elements);
}
@Override
public ImmutableCharSet newWithoutAll(CharIterable 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(char value)
{
return false;
}
@Override
public boolean containsAll(CharIterable source)
{
return source.isEmpty();
}
@Override
public boolean containsAll(char... elements)
{
return elements.length == 0;
}
@Override
public void forEach(CharProcedure procedure)
{
}
@Override
public void each(CharProcedure procedure)
{
}
@Override
public ImmutableCharSet select(CharPredicate predicate)
{
return this;
}
@Override
public ImmutableCharSet reject(CharPredicate predicate)
{
return this;
}
@Override
public <V> ImmutableSet<V> collect(CharToObjectFunction<? extends V> function)
{
return Sets.immutable.of();
}
@Override
public MutableCharList toList()
{
return new CharArrayList();
}
@Override
public char detectIfNone(CharPredicate predicate, char ifNone)
{
return ifNone;
}
@Override
public int count(CharPredicate predicate)
{
return 0;
}
@Override
public boolean anySatisfy(CharPredicate predicate)
{
return false;
}
@Override
public long sum()
{
return 0L;
}
@Override
public char min()
{
throw new NoSuchElementException();
}
@Override
public char max()
{
throw new NoSuchElementException();
}
@Override
public char maxIfEmpty(char defaultValue)
{
return defaultValue;
}
@Override
public char minIfEmpty(char defaultValue)
{
return defaultValue;
}
@Override
public double average()
{
throw new ArithmeticException();
}
@Override
public double median()
{
throw new ArithmeticException();
}
@Override
public char[] toSortedArray()
{
return new char[0];
}
@Override
public MutableCharList toSortedList()
{
return new CharArrayList();
}
@Override
public boolean noneSatisfy(CharPredicate predicate)
{
return true;
}
@Override
public boolean allSatisfy(CharPredicate predicate)
{
return true;
}
@Override
public <T> T injectInto(T injectedValue, ObjectCharToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public RichIterable<CharIterable> chunk(int size)
{
return Lists.immutable.empty();
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (!(obj instanceof CharSet))
{
return false;
}
CharSet set = (CharSet) obj;
return set.isEmpty();
}
@Override
public int hashCode()
{
return 0;
}
@Override
public MutableCharSet toSet()
{
return new CharHashSet();
}
@Override
public MutableCharBag toBag()
{
return new CharHashBag();
}
@Override
public CharSet freeze()
{
return this;
}
@Override
public ImmutableCharSet toImmutable()
{
return this;
}
@Override
public LazyCharIterable asLazy()
{
return new LazyCharIterableAdapter(this);
}
@Override
public char[] toArray()
{
return new char[0];
}
@Override
public char[] toArray(char[] 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 CharIterator charIterator()
{
return ImmutableEmptyCharIterator.INSTANCE;
}
}