javolution.util.internal.table.ConstantTableImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of javolution-core-java-msftbx Show documentation
Show all versions of javolution-core-java-msftbx Show documentation
Only the Java Core part of Javolution library, with slight modifications for use in MSFTBX.
/*
* Javolution - Java(TM) Solution for Real-Time and Embedded Systems
* Copyright (C) 2014 - Javolution (http://javolution.org/)
* All rights reserved.
*
* Permission to use, copy, modify, and distribute this software is
* freely granted, provided that this notice is preserved.
*/
package javolution.util.internal.table;
import java.util.Iterator;
import java.util.NoSuchElementException;
import javolution.lang.Constant;
import javolution.util.function.Equalities;
import javolution.util.function.Equality;
/**
* The default {@link javolution.util.ConstantTable ConstantTable}
* implementation.
*/
@Constant
public final class ConstantTableImpl extends TableView {
/** Internal iterator faster than generic TableIteratorImpl. */
private class IteratorImpl implements Iterator {
private int nextIndex;
@Override
public boolean hasNext() {
return nextIndex < elements.length;
}
@Override
public E next() {
if (nextIndex >= elements.length)
throw new NoSuchElementException();
return elements[nextIndex++];
}
@Override
public void remove() {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
}
private static final long serialVersionUID = 0x610L; // Version.
private final E[] elements;
public ConstantTableImpl(E[] elements) {
super(null); // Root class.
this.elements = elements;
}
@Override
public boolean add(E element) {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
@Override
public void add(int index, E element) {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
@Override
public void clear() {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
@Override
public ConstantTableImpl clone() {
return this;
}
@Override
public Equality super E> comparator() {
return Equalities.STANDARD;
}
@Override
public E get(int index) {
return elements[index];
}
@Override
public Iterator iterator() {
return new IteratorImpl();
}
@Override
public E remove(int index) {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
@Override
public E set(int index, E element) {
throw new UnsupportedOperationException(
"Constant tables cannot be modified.");
}
@Override
public int size() {
return elements.length;
}
}