/*
* Copyright (c) 2018 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.DoubleIterable;
import org.eclipse.collections.api.block.function.primitive.DoubleToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.DoublePredicate;
import org.eclipse.collections.api.list.primitive.MutableDoubleList;
import org.eclipse.collections.api.stack.ImmutableStack;
import org.eclipse.collections.api.stack.primitive.DoubleStack;
import org.eclipse.collections.api.stack.primitive.ImmutableDoubleStack;
import org.eclipse.collections.impl.block.procedure.checked.primitive.CheckedDoubleProcedure;
import org.eclipse.collections.impl.factory.Stacks;
import org.eclipse.collections.impl.factory.primitive.DoubleStacks;
import org.eclipse.collections.impl.list.mutable.primitive.DoubleArrayList;
import org.eclipse.collections.impl.stack.mutable.primitive.DoubleArrayStack;
import org.eclipse.collections.impl.stack.primitive.AbstractDoubleStack;
ImmutableDoubleArrayStack is the non-modifiable equivalent of DoubleArrayStack
. This file was automatically generated from template file immutablePrimitiveArrayStack.stg. Since: 4.0.
/**
* ImmutableDoubleArrayStack is the non-modifiable equivalent of {@link DoubleArrayStack}.
* This file was automatically generated from template file immutablePrimitiveArrayStack.stg.
*
* @since 4.0.
*/
final class ImmutableDoubleArrayStack extends AbstractDoubleStack
implements ImmutableDoubleStack, Serializable
{
private static final long serialVersionUID = 1L;
private final DoubleArrayList delegate;
private ImmutableDoubleArrayStack(double[] newElements)
{
this.checkOptimizedSize(newElements.length);
this.delegate = new DoubleArrayList(newElements);
}
private ImmutableDoubleArrayStack(DoubleArrayList newElements)
{
this.checkOptimizedSize(newElements.size());
this.delegate = newElements;
}
private void checkOptimizedSize(int length)
{
if (length <= 1)
{
throw new IllegalArgumentException("Use DoubleStacks.immutable.with() to instantiate an optimized collection");
}
}
public static ImmutableDoubleArrayStack newStack(DoubleIterable iterable)
{
return new ImmutableDoubleArrayStack(iterable.toArray());
}
public static ImmutableDoubleArrayStack newStackWith(double... elements)
{
double[] newArray = new double[elements.length];
System.arraycopy(elements, 0, newArray, 0, elements.length);
return new ImmutableDoubleArrayStack(newArray);
}
public static ImmutableDoubleArrayStack newStackFromTopToBottom(double... items)
{
return new ImmutableDoubleArrayStack(DoubleArrayList.newListWith(items).reverseThis());
}
public static ImmutableDoubleArrayStack newStackFromTopToBottom(DoubleIterable items)
{
return new ImmutableDoubleArrayStack(DoubleArrayList.newList(items).reverseThis());
}
@Override
protected DoubleArrayList getDelegate()
{
return this.delegate;
}
@Override
public ImmutableDoubleStack push(double item)
{
DoubleArrayList newDelegate = DoubleArrayList.newList(this.delegate);
newDelegate.add(item);
return new ImmutableDoubleArrayStack(newDelegate);
}
@Override
public ImmutableDoubleStack pop()
{
DoubleArrayList newDelegate = DoubleArrayList.newList(this.delegate);
newDelegate.removeAtIndex(this.delegate.size() - 1);
return DoubleStacks.immutable.with(newDelegate.toArray());
}
@Override
public ImmutableDoubleStack pop(int count)
{
this.checkNegativeCount(count);
if (count == 0)
{
return this;
}
this.checkSizeLessThanCount(count);
DoubleArrayList newDelegate = DoubleArrayList.newList(this.delegate);
while (count > 0)
{
newDelegate.removeAtIndex(newDelegate.size() - 1);
count--;
}
return DoubleStacks.immutable.with(newDelegate.toArray());
}
private void checkNegativeCount(int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be positive but was " + count);
}
}
@Override
public ImmutableDoubleStack select(DoublePredicate predicate)
{
return DoubleStacks.immutable.withAllReversed(this.delegate.asReversed().select(predicate));
}
@Override
public ImmutableDoubleStack reject(DoublePredicate predicate)
{
return DoubleStacks.immutable.withAllReversed(this.delegate.asReversed().reject(predicate));
}
@Override
public <V> ImmutableStack<V> collect(DoubleToObjectFunction<? extends V> function)
{
return Stacks.immutable.withAllReversed(this.delegate.asReversed().collect(function));
}
@Override
public ImmutableDoubleStack toImmutable()
{
return this;
}
@Override
public boolean isEmpty()
{
return false;
}
@Override
public boolean notEmpty()
{
return true;
}
@Override
public MutableDoubleList toSortedList()
{
return DoubleArrayList.newList(this).sortThis();
}
private Object writeReplace()
{
return new ImmutableDoubleStackSerializationProxy(this);
}
private static class ImmutableDoubleStackSerializationProxy implements Externalizable
{
private static final long serialVersionUID = 1L;
private DoubleStack stack;
@SuppressWarnings("UnusedDeclaration")
public ImmutableDoubleStackSerializationProxy()
{
// Empty constructor for Externalizable class
}
protected ImmutableDoubleStackSerializationProxy(DoubleStack stack)
{
this.stack = stack;
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException
{
out.writeInt(this.stack.size());
try
{
this.stack.forEach(new CheckedDoubleProcedure()
{
@Override
public void safeValue(double item) throws IOException
{
out.writeDouble(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();
DoubleArrayList deserializedDelegate = new DoubleArrayList(size);
for (int i = 0; i < size; i++)
{
deserializedDelegate.add(in.readDouble());
}
this.stack = ImmutableDoubleArrayStack.newStackFromTopToBottom(deserializedDelegate);
}
protected Object readResolve()
{
return this.stack;
}
}
}