/*
* 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.LongIterable;
import com.gs.collections.api.LazyLongIterable;
import com.gs.collections.api.bag.primitive.MutableLongBag;
import com.gs.collections.api.block.function.primitive.LongToObjectFunction;
import com.gs.collections.api.block.function.primitive.ObjectLongToObjectFunction;
import com.gs.collections.api.block.predicate.primitive.LongPredicate;
import com.gs.collections.api.block.procedure.primitive.LongProcedure;
import com.gs.collections.api.iterator.LongIterator;
import com.gs.collections.api.list.primitive.LongList;
import com.gs.collections.api.list.primitive.MutableLongList;
import com.gs.collections.api.set.primitive.MutableLongSet;
import com.gs.collections.api.stack.ImmutableStack;
import com.gs.collections.api.stack.primitive.ImmutableLongStack;
import com.gs.collections.api.stack.primitive.LongStack;
import com.gs.collections.impl.bag.mutable.primitive.LongHashBag;
import com.gs.collections.impl.factory.Stacks;
import com.gs.collections.impl.factory.primitive.LongStacks;
import com.gs.collections.impl.lazy.primitive.LazyLongIterableAdapter;
import com.gs.collections.impl.list.mutable.primitive.LongArrayList;
import com.gs.collections.impl.set.mutable.primitive.LongHashSet;
import net.jcip.annotations.Immutable;
/**
* ImmutableLongEmptyStack is an optimization for {@link ImmutableLongStack} of size 0.
* This file was automatically generated from template file immutablePrimitiveEmptyStack.stg.
*/
@Immutable
final class ImmutableLongEmptyStack implements ImmutableLongStack, Serializable
{
static final ImmutableLongStack INSTANCE = new ImmutableLongEmptyStack();
private static final long serialVersionUID = 1L;
private Object readResolve()
{
return INSTANCE;
}
public LongIterator longIterator()
{
return new InternalLongIterator();
}
public void forEach(LongProcedure procedure)
{
}
public int count(LongPredicate predicate)
{
return 0;
}
public boolean anySatisfy(LongPredicate predicate)
{
return false;
}
public boolean allSatisfy(LongPredicate predicate)
{
return true;
}
public boolean noneSatisfy(LongPredicate predicate)
{
return true;
}
public long peek()
{
throw new EmptyStackException();
}
public LongList peek(int count)
{
this.checkNegativeCount(count);
if (count == 0)
{
return new LongArrayList(0);
}
throw new EmptyStackException();
}
public long peekAt(int index)
{
this.checkNegativeCount(index);
throw new EmptyStackException();
}
public ImmutableLongStack select(LongPredicate predicate)
{
return this;
}
public ImmutableLongStack reject(LongPredicate predicate)
{
return this;
}
public long detectIfNone(LongPredicate predicate, long ifNone)
{
return ifNone;
}
public <V> ImmutableStack<V> collect(LongToObjectFunction<? extends V> function)
{
return Stacks.immutable.of();
}
public long sum()
{
return 0;
}
public long max()
{
throw new NoSuchElementException();
}
public long maxIfEmpty(long defaultValue)
{
return defaultValue;
}
public long min()
{
throw new NoSuchElementException();
}
public long minIfEmpty(long defaultValue)
{
return defaultValue;
}
public double average()
{
throw new ArithmeticException();
}
public double median()
{
throw new ArithmeticException();
}
public long[] toSortedArray()
{
return new long[0];
}
public MutableLongList toSortedList()
{
return new LongArrayList();
}
public long[] toArray()
{
return new long[0];
}
public boolean contains(long value)
{
return false;
}
public boolean containsAll(long... source)
{
return source.length == 0;
}
public boolean containsAll(LongIterable source)
{
return source.isEmpty();
}
public MutableLongList toList()
{
return new LongArrayList();
}
public MutableLongSet toSet()
{
return new LongHashSet();
}
public MutableLongBag toBag()
{
return new LongHashBag();
}
public LazyLongIterable asLazy()
{
return new LazyLongIterableAdapter(this);
}
public ImmutableLongStack toImmutable()
{
return this;
}
public ImmutableLongStack push(long element)
{
return LongStacks.immutable.with(element);
}
public ImmutableLongStack pop()
{
throw new EmptyStackException();
}
public ImmutableLongStack 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, ObjectLongToObjectFunction<? super T, ? extends T> function)
{
return injectedValue;
}
@Override
public boolean equals(Object otherStack)
{
if (otherStack == this)
{
return true;
}
if (!(otherStack instanceof LongStack))
{
return false;
}
LongStack stack = (LongStack) 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 InternalLongIterator implements LongIterator
{
public boolean hasNext()
{
return false;
}
public long next()
{
throw new NoSuchElementException();
}
}
}