package org.eclipse.collections.impl.bag.immutable.primitive;
import java.io.IOException;
import java.io.Serializable;
import org.eclipse.collections.api.BooleanIterable;
import org.eclipse.collections.api.LazyBooleanIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.bag.ImmutableBag;
import org.eclipse.collections.api.bag.primitive.ImmutableBooleanBag;
import org.eclipse.collections.api.bag.primitive.BooleanBag;
import org.eclipse.collections.api.bag.primitive.MutableBooleanBag;
import org.eclipse.collections.api.block.function.primitive.BooleanToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectBooleanToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.IntPredicate;
import org.eclipse.collections.api.block.predicate.primitive.BooleanPredicate;
import org.eclipse.collections.api.block.procedure.primitive.BooleanIntProcedure;
import org.eclipse.collections.api.block.procedure.primitive.BooleanProcedure;
import org.eclipse.collections.api.iterator.BooleanIterator;
import org.eclipse.collections.api.list.primitive.MutableBooleanList;
import org.eclipse.collections.api.set.primitive.MutableBooleanSet;
import org.eclipse.collections.impl.bag.mutable.primitive.BooleanHashBag;
import org.eclipse.collections.impl.factory.Bags;
import org.eclipse.collections.impl.factory.primitive.BooleanBags;
import org.eclipse.collections.impl.iterator.ImmutableEmptyBooleanIterator;
import org.eclipse.collections.impl.lazy.primitive.LazyBooleanIterableAdapter;
import org.eclipse.collections.impl.list.mutable.primitive.BooleanArrayList;
import org.eclipse.collections.impl.set.mutable.primitive.BooleanHashSet;
import org.eclipse.collections.api.list.ImmutableList;
import org.eclipse.collections.api.tuple.primitive.BooleanIntPair;
import org.eclipse.collections.impl.factory.Lists;
import org.eclipse.collections.api.set.primitive.ImmutableBooleanSet;
import org.eclipse.collections.impl.factory.primitive.BooleanSets;
final class ImmutableBooleanEmptyBag implements ImmutableBooleanBag, Serializable
{
static final ImmutableBooleanBag INSTANCE = new ImmutableBooleanEmptyBag();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
@Override
public ImmutableBooleanBag newWith(boolean element)
{
return new ImmutableBooleanSingletonBag(element);
}
@Override
public ImmutableBooleanBag newWithout(boolean element)
{
return this;
}
@Override
public ImmutableBooleanBag newWithAll(BooleanIterable elements)
{
return BooleanBags.immutable.withAll(elements);
}
@Override
public ImmutableBooleanBag newWithoutAll(BooleanIterable 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(boolean value)
{
return false;
}
@Override
public boolean containsAll(BooleanIterable source)
{
return source.isEmpty();
}
@Override
public boolean containsAll(boolean... elements)
{
return elements.length == 0;
}
@Override
public void forEach(BooleanProcedure procedure)
{
}
@Override
public void each(BooleanProcedure procedure)
{
}
@Override
public ImmutableBooleanBag select(BooleanPredicate predicate)
{
return this;
}
@Override
public ImmutableBooleanSet selectUnique()
{
return BooleanSets.immutable.empty();
}
@Override
public ImmutableBooleanBag reject(BooleanPredicate predicate)
{
return this;
}
@Override
public <V> ImmutableBag<V> collect(BooleanToObjectFunction<? extends V> function)
{
return Bags.immutable.of();
}
@Override
public MutableBooleanList toList()
{
return new BooleanArrayList();
}
@Override
public int sizeDistinct()
{
return 0;
}
@Override
public int occurrencesOf(boolean item)
{
return 0;
}
@Override
public void forEachWithOccurrences(BooleanIntProcedure booleanIntProcedure)
{
}
@Override
public ImmutableBooleanBag selectByOccurrences(IntPredicate predicate)
{
return this;
}
@Override
public ImmutableList<BooleanIntPair> topOccurrences(int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Cannot use a value of count < 0");
}
return Lists.immutable.empty();
}
@Override
public ImmutableList<BooleanIntPair> bottomOccurrences(int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Cannot use a value of count < 0");
}
return Lists.immutable.empty();
}
@Override
public boolean detectIfNone(BooleanPredicate predicate, boolean ifNone)
{
return ifNone;
}
@Override
public int count(BooleanPredicate predicate)
{
return 0;
}
@Override
public boolean anySatisfy(BooleanPredicate predicate)
{
return false;
}
@Override
public boolean noneSatisfy(BooleanPredicate predicate)
{
return true;
}
@Override
public boolean allSatisfy(BooleanPredicate predicate)
{
return true;
}
@Override
public <T> T injectInto(T injectedValue, ObjectBooleanToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public RichIterable<BooleanIterable> chunk(int size)
{
return Lists.immutable.empty();
}
@Override
public boolean equals(Object obj)
{
if (obj == this)
{
return true;
}
if (!(obj instanceof BooleanBag))
{
return false;
}
BooleanBag bag = (BooleanBag) obj;
return bag.isEmpty();
}
@Override
public int hashCode()
{
return 0;
}
@Override
public MutableBooleanSet toSet()
{
return new BooleanHashSet();
}
@Override
public MutableBooleanBag toBag()
{
return new BooleanHashBag();
}
@Override
public ImmutableBooleanBag toImmutable()
{
return this;
}
@Override
public LazyBooleanIterable asLazy()
{
return new LazyBooleanIterableAdapter(this);
}
@Override
public boolean[] toArray()
{
return new boolean[0];
}
@Override
public boolean[] toArray(boolean[] 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 BooleanIterator booleanIterator()
{
return ImmutableEmptyBooleanIterator.INSTANCE;
}
}