/*
* 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.stack.immutable.primitive;
import java.io.IOException;
import java.io.Serializable;
import java.util.EmptyStackException;
import java.util.NoSuchElementException;
import com.gs.collections.api.ShortIterable;
import com.gs.collections.api.LazyShortIterable;
import com.gs.collections.api.bag.primitive.MutableShortBag;
import com.gs.collections.api.block.function.primitive.ShortToObjectFunction;
import com.gs.collections.api.block.function.primitive.ObjectShortToObjectFunction;
import com.gs.collections.api.block.predicate.primitive.ShortPredicate;
import com.gs.collections.api.block.procedure.primitive.ShortProcedure;
import com.gs.collections.api.iterator.ShortIterator;
import com.gs.collections.api.list.primitive.ShortList;
import com.gs.collections.api.list.primitive.MutableShortList;
import com.gs.collections.api.set.primitive.MutableShortSet;
import com.gs.collections.api.stack.ImmutableStack;
import com.gs.collections.api.stack.primitive.ImmutableShortStack;
import com.gs.collections.api.stack.primitive.ShortStack;
import com.gs.collections.impl.bag.mutable.primitive.ShortHashBag;
import com.gs.collections.impl.factory.Stacks;
import com.gs.collections.impl.factory.primitive.ShortStacks;
import com.gs.collections.impl.lazy.primitive.LazyShortIterableAdapter;
import com.gs.collections.impl.list.mutable.primitive.ShortArrayList;
import com.gs.collections.impl.set.mutable.primitive.ShortHashSet;
import net.jcip.annotations.Immutable;
/**
* ImmutableShortEmptyStack is an optimization for {@link ImmutableShortStack} of size 0.
* This file was automatically generated from template file immutablePrimitiveEmptyStack.stg.
*/
@Immutable
final class ImmutableShortEmptyStack implements ImmutableShortStack, Serializable
{
static final ImmutableShortStack INSTANCE = new ImmutableShortEmptyStack();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
public ShortIterator shortIterator()
{
return new InternalShortIterator();
}
public void forEach(ShortProcedure procedure)
{
}
public int count(ShortPredicate predicate)
{
return 0;
}
public boolean anySatisfy(ShortPredicate predicate)
{
return false;
}
public boolean allSatisfy(ShortPredicate predicate)
{
return true;
}
public boolean noneSatisfy(ShortPredicate predicate)
{
return true;
}
public short peek()
{
throw new EmptyStackException();
}
public ShortList peek(int count)
{
this.checkNegativeCount(count);
if (count == 0)
{
return new ShortArrayList(0);
}
throw new EmptyStackException();
}
public short peekAt(int index)
{
this.checkNegativeCount(index);
throw new EmptyStackException();
}
public ImmutableShortStack select(ShortPredicate predicate)
{
return this;
}
public ImmutableShortStack reject(ShortPredicate predicate)
{
return this;
}
public short detectIfNone(ShortPredicate predicate, short ifNone)
{
return ifNone;
}
public <V> ImmutableStack<V> collect(ShortToObjectFunction<? extends V> function)
{
return Stacks.immutable.of();
}
public long sum()
{
return 0;
}
public short max()
{
throw new NoSuchElementException();
}
public short maxIfEmpty(short defaultValue)
{
return defaultValue;
}
public short min()
{
throw new NoSuchElementException();
}
public short minIfEmpty(short defaultValue)
{
return defaultValue;
}
public double average()
{
throw new ArithmeticException();
}
public double median()
{
throw new ArithmeticException();
}
public short[] toSortedArray()
{
return new short[0];
}
public MutableShortList toSortedList()
{
return new ShortArrayList();
}
public short[] toArray()
{
return new short[0];
}
public boolean contains(short value)
{
return false;
}
public boolean containsAll(short... source)
{
return source.length == 0;
}
public boolean containsAll(ShortIterable source)
{
return source.isEmpty();
}
public MutableShortList toList()
{
return new ShortArrayList();
}
public MutableShortSet toSet()
{
return new ShortHashSet();
}
public MutableShortBag toBag()
{
return new ShortHashBag();
}
public LazyShortIterable asLazy()
{
return new LazyShortIterableAdapter(this);
}
public ImmutableShortStack toImmutable()
{
return this;
}
public ImmutableShortStack push(short element)
{
return ShortStacks.immutable.with(element);
}
public ImmutableShortStack pop()
{
throw new EmptyStackException();
}
public ImmutableShortStack pop(int count)
{
this.checkNegativeCount(count);
if (count == 0)
{
return this;
}
throw new EmptyStackException();
}
private void checkNegativeCount(int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be positive but was " + count);
}
}
public int size()
{
return 0;
}
public boolean isEmpty()
{
return true;
}
public boolean notEmpty()
{
return false;
}
public <T> T injectInto(T injectedValue, ObjectShortToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public boolean equals(Object otherStack)
{
if (otherStack == this)
{
return true;
}
if (!(otherStack instanceof ShortStack))
{
return false;
}
ShortStack stack = (ShortStack) otherStack;
return stack.isEmpty();
}
@Override
public int hashCode()
{
return 1;
}
@Override
public String toString()
{
return "[]";
}
public String makeString()
{
return "";
}
public String makeString(String separator)
{
return "";
}
public String makeString(String start, String separator, String end)
{
return start + end;
}
public void appendString(Appendable appendable)
{
}
public void appendString(Appendable appendable, String separator)
{
}
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);
}
}
private static class InternalShortIterator implements ShortIterator
{
public boolean hasNext()
{
return false;
}
public short next()
{
throw new NoSuchElementException();
}
}
}