/*
* Copyright (c) 2021 Goldman Sachs.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl.stack.immutable.primitive;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import org.eclipse.collections.api.FloatIterable;
import org.eclipse.collections.api.block.function.primitive.FloatToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.FloatPredicate;
import org.eclipse.collections.api.list.primitive.MutableFloatList;
import org.eclipse.collections.api.stack.ImmutableStack;
import org.eclipse.collections.api.stack.primitive.FloatStack;
import org.eclipse.collections.api.stack.primitive.ImmutableFloatStack;
import org.eclipse.collections.impl.block.procedure.checked.primitive.CheckedFloatProcedure;
import org.eclipse.collections.impl.factory.Stacks;
import org.eclipse.collections.impl.factory.primitive.FloatStacks;
import org.eclipse.collections.impl.list.mutable.primitive.FloatArrayList;
import org.eclipse.collections.impl.stack.mutable.primitive.FloatArrayStack;
import org.eclipse.collections.impl.stack.primitive.AbstractFloatStack;
ImmutableFloatArrayStack is the non-modifiable equivalent of FloatArrayStack
. This file was automatically generated from template file immutablePrimitiveArrayStack.stg. Since: 4.0.
/**
* ImmutableFloatArrayStack is the non-modifiable equivalent of {@link FloatArrayStack}.
* This file was automatically generated from template file immutablePrimitiveArrayStack.stg.
*
* @since 4.0.
*/
final class ImmutableFloatArrayStack extends AbstractFloatStack
implements ImmutableFloatStack, Serializable
{
private static final long serialVersionUID = 1L;
private final FloatArrayList delegate;
private ImmutableFloatArrayStack(float[] newElements)
{
this.checkOptimizedSize(newElements.length);
this.delegate = new FloatArrayList(newElements);
}
private ImmutableFloatArrayStack(FloatArrayList newElements)
{
this.checkOptimizedSize(newElements.size());
this.delegate = newElements;
}
private void checkOptimizedSize(int length)
{
if (length <= 1)
{
throw new IllegalArgumentException("Use FloatStacks.immutable.with() to instantiate an optimized collection");
}
}
public static ImmutableFloatArrayStack newStack(FloatIterable iterable)
{
return new ImmutableFloatArrayStack(iterable.toArray());
}
public static ImmutableFloatArrayStack newStackWith(float... elements)
{
float[] newArray = new float[elements.length];
System.arraycopy(elements, 0, newArray, 0, elements.length);
return new ImmutableFloatArrayStack(newArray);
}
public static ImmutableFloatArrayStack newStackFromTopToBottom(float... items)
{
return new ImmutableFloatArrayStack(FloatArrayList.newListWith(items).reverseThis());
}
public static ImmutableFloatArrayStack newStackFromTopToBottom(FloatIterable items)
{
return new ImmutableFloatArrayStack(FloatArrayList.newList(items).reverseThis());
}
@Override
protected FloatArrayList getDelegate()
{
return this.delegate;
}
@Override
public ImmutableFloatStack push(float item)
{
FloatArrayList newDelegate = FloatArrayList.newList(this.delegate);
newDelegate.add(item);
return new ImmutableFloatArrayStack(newDelegate);
}
@Override
public ImmutableFloatStack pop()
{
FloatArrayList newDelegate = FloatArrayList.newList(this.delegate);
newDelegate.removeAtIndex(this.delegate.size() - 1);
return FloatStacks.immutable.with(newDelegate.toArray());
}
@Override
public ImmutableFloatStack pop(int count)
{
this.checkNegativeCount(count);
if (count == 0)
{
return this;
}
this.checkSizeLessThanCount(count);
FloatArrayList newDelegate = FloatArrayList.newList(this.delegate);
while (count > 0)
{
newDelegate.removeAtIndex(newDelegate.size() - 1);
count--;
}
return FloatStacks.immutable.with(newDelegate.toArray());
}
private void checkNegativeCount(int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be positive but was " + count);
}
}
@Override
public ImmutableFloatStack select(FloatPredicate predicate)
{
return FloatStacks.immutable.withAllReversed(this.delegate.asReversed().select(predicate));
}
@Override
public ImmutableFloatStack reject(FloatPredicate predicate)
{
return FloatStacks.immutable.withAllReversed(this.delegate.asReversed().reject(predicate));
}
@Override
public <V> ImmutableStack<V> collect(FloatToObjectFunction<? extends V> function)
{
return Stacks.immutable.withAllReversed(this.delegate.asReversed().collect(function));
}
@Override
public ImmutableFloatStack toImmutable()
{
return this;
}
@Override
public boolean isEmpty()
{
return false;
}
@Override
public boolean notEmpty()
{
return true;
}
@Override
public MutableFloatList toSortedList()
{
return FloatArrayList.newList(this).sortThis();
}
private Object writeReplace()
{
return new ImmutableFloatStackSerializationProxy(this);
}
private static class ImmutableFloatStackSerializationProxy implements Externalizable
{
private static final long serialVersionUID = 1L;
private FloatStack stack;
@SuppressWarnings("UnusedDeclaration")
public ImmutableFloatStackSerializationProxy()
{
// Empty constructor for Externalizable class
}
protected ImmutableFloatStackSerializationProxy(FloatStack stack)
{
this.stack = stack;
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException
{
out.writeInt(this.stack.size());
try
{
this.stack.forEach(new CheckedFloatProcedure()
{
@Override
public void safeValue(float item) throws IOException
{
out.writeFloat(item);
}
});
}
catch (RuntimeException e)
{
if (e.getCause() instanceof IOException)
{
throw (IOException) e.getCause();
}
throw e;
}
}
@Override
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException
{
int size = in.readInt();
FloatArrayList deserializedDelegate = new FloatArrayList(size);
for (int i = 0; i < size; i++)
{
deserializedDelegate.add(in.readFloat());
}
this.stack = ImmutableFloatArrayStack.newStackFromTopToBottom(deserializedDelegate);
}
protected Object readResolve()
{
return this.stack;
}
}
}