javolution.util.internal.table.AtomicTableImpl Maven / Gradle / Ivy
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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) 2012 - 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.Collection;
import java.util.Iterator;
import java.util.ListIterator;
import javolution.util.internal.collection.AtomicCollectionImpl;
import javolution.util.service.TableService;
/**
* An atomic view over a table.
*/
public class AtomicTableImpl extends AtomicCollectionImpl implements
TableService {
private static final long serialVersionUID = 0x600L; // Version.
public AtomicTableImpl(TableService target) {
super(target);
}
@Override
public synchronized void add(int index, E element) {
target().add(index, element);
if (!updateInProgress()) immutable = cloneTarget();
}
@Override
public synchronized boolean addAll(int index, Collection extends E> c) {
boolean changed = target().addAll(index, c);
if (changed && !updateInProgress()) immutable = cloneTarget();
return changed;
}
@Override
public synchronized void addFirst(E element) {
target().addFirst(element);
if (!updateInProgress()) immutable = cloneTarget();
}
@Override
public synchronized void addLast(E element) {
target().addLast(element);
if (!updateInProgress()) immutable = cloneTarget();
}
@Override
public Iterator descendingIterator() {
return new ReversedTableImpl(this).iterator();
}
@Override
public E element() {
return getFirst();
}
@Override
public E get(int index) {
return targetView().get(index);
}
@Override
public E getFirst() {
return targetView().getFirst();
}
@Override
public E getLast() {
return targetView().getLast();
}
@Override
public int indexOf(Object element) {
return targetView().indexOf(element);
}
@Override
public ListIterator iterator() {
return listIterator(0);
}
@Override
public int lastIndexOf(Object element) {
return targetView().lastIndexOf(element);
}
@Override
public ListIterator listIterator() {
return listIterator(0);
}
@Override
public ListIterator listIterator(int index) {
return new TableIteratorImpl(this, index); // Iterator view on this.
}
@Override
public boolean offer(E e) {
return offerLast(e);
}
@Override
public synchronized boolean offerFirst(E e) {
boolean changed = target().offerFirst(e);
if (changed && !updateInProgress()) immutable = cloneTarget();
return changed;
}
@Override
public synchronized boolean offerLast(E e) {
boolean changed = target().offerLast(e);
if (changed && !updateInProgress()) immutable = cloneTarget();
return changed;
}
@Override
public E peek() {
return peekFirst();
}
@Override
public E peekFirst() {
return targetView().peekFirst();
}
@Override
public E peekLast() {
return targetView().peekLast();
}
@Override
public E poll() {
return pollFirst();
}
@Override
public synchronized E pollFirst() {
E e = target().pollFirst();
if ((e != null) && !updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public synchronized E pollLast() {
E e = target().pollLast();
if ((e != null) && !updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public E pop() {
return removeFirst();
}
@Override
public void push(E e) {
addFirst(e);
}
@Override
public E remove() {
return removeFirst();
}
@Override
public synchronized E remove(int index) {
E e = target().remove(index);
if (!updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public synchronized E removeFirst() {
E e = target().removeFirst();
if (!updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public synchronized boolean removeFirstOccurrence(Object o) {
boolean changed = target().removeFirstOccurrence(o);
if (changed && !updateInProgress()) immutable = cloneTarget();
return changed;
}
@Override
public synchronized E removeLast() {
E e = target().removeLast();
if (!updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public synchronized boolean removeLastOccurrence(Object o) {
boolean changed = target().removeLastOccurrence(o);
if (changed && !updateInProgress()) immutable = cloneTarget();
return changed;
}
@Override
public synchronized E set(int index, E element) {
E e = target().set(index, element);
if (!updateInProgress()) immutable = cloneTarget();
return e;
}
@Override
public TableService[] split(int n, boolean updateable) {
return SubTableImpl.splitOf(this, n, false); // Sub-views over this.
}
@Override
public TableService subList(int fromIndex, int toIndex) {
return new SubTableImpl(this, fromIndex, toIndex); // View on this.
}
/** Returns the actual target */
@Override
protected TableService target() {
return (TableService) super.target();
}
@Override
protected TableService targetView() {
return (TableService) super.targetView();
}
}