Package org.apache.commons.collections15

Examples of org.apache.commons.collections15.Bag

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        return makeBag();
    }

    //-----------------------------------------------------------------------
    public void testBagAdd() {
        Bag bag = makeBag();
        bag.add("A");
        assertTrue("Should contain 'A'", bag.contains("A"));
        assertEquals("Should have count of 1", 1, bag.getCount("A"));
        bag.add("A");
        assertTrue("Should contain 'A'", bag.contains("A"));
        assertEquals("Should have count of 2", 2, bag.getCount("A"));
        bag.add("B");
        assertTrue(bag.contains("A"));
        assertTrue(bag.contains("B"));
    }
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     * @return <code>true</code> if this call changed the collection
     * @see #retainAll(Collection)
     */
    boolean retainAll(Bag<E> other) {
        boolean result = false;
        Bag excess = new HashBag();
        Iterator<E> i = uniqueSet().iterator();
        while (i.hasNext()) {
            E current = i.next();
            int myCount = getCount(current);
            int otherCount = other.getCount(current);
            if (1 <= otherCount && otherCount <= myCount) {
                excess.add(current, myCount - otherCount);
            } else {
                excess.add(current, myCount);
            }
        }
        if (!excess.isEmpty()) {
            result = removeAll(excess);
        }
        return result;
    }
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            return true;
        }
        if (object instanceof Bag == false) {
            return false;
        }
        Bag other = (Bag) object;
        if (other.size() != size()) {
            return false;
        }
        for (Iterator<E> it = map.keySet().iterator(); it.hasNext();) {
            E element = it.next();
            if (other.getCount(element) != getCount(element)) {
                return false;
            }
        }
        return true;
    }
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    /**
     * Tests {@link BlockingBuffer#get()} in combination with {@link BlockingBuffer#add()}.
     */
    public void testGetWithAdd() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();

        new DelayedAdd(blockingBuffer, obj).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame(obj, blockingBuffer.get());
    }
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    /**
     * Tests {@link BlockingBuffer#get()} in combination with {@link BlockingBuffer#addAll()}.
     */
    public void testGetWithAddAll() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();

        new DelayedAddAll(blockingBuffer, obj).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame(obj, blockingBuffer.get());
    }
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    /**
     * Tests {@link BlockingBuffer#remove()} in combination with {@link BlockingBuffer#add()}.
     */
    public void testRemoveWithAdd() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();

        new DelayedAdd(blockingBuffer, obj).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame(obj, blockingBuffer.remove());
    }
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    /**
     * Tests {@link BlockingBuffer#remove()} in combination with {@link BlockingBuffer#addAll()}.
     */
    public void testRemoveWithAddAll() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();

        new DelayedAddAll(blockingBuffer, obj).start();

        // verify does not throw BufferUnderflowException; should block until other thread has added to the buffer .
        assertSame(obj, blockingBuffer.remove());
    }
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     * Two read threads should block on an empty buffer until one object
     * is added then both threads should complete.
     */
    public void testBlockedGetWithAdd() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();
       
        // run methods will get and compare -- must wait for add
        Thread thread1 = new ReadThread(blockingBuffer, obj);
        Thread thread2 = new ReadThread(blockingBuffer, obj);
        thread1.start();
        thread2.start();
       
        // give hungry read threads ample time to hang
        delay();
          
        // notifyAll should allow both read threads to complete
        blockingBuffer.add(obj);
       
        // allow notified threads to complete
        delay();
       
        // There should not be any threads waiting.
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     * Two read threads should block on an empty buffer until a
     * singleton is added then both threads should complete.
     */
    public void testBlockedGetWithAddAll() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();
       
        // run methods will get and compare -- must wait for addAll
        Thread thread1 = new ReadThread(blockingBuffer, obj);
        Thread thread2 = new ReadThread(blockingBuffer, obj);
        thread1.start();
        thread2.start();
       
        // give hungry read threads ample time to hang
        delay();
          
        // notifyAll should allow both read threads to complete
        blockingBuffer.addAll(Collections.singleton(obj));
              
        // allow notified threads to complete
        delay();
       
        // There should not be any threads waiting.
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    /**
     * Tests interrupted {@link BlockingBuffer#get()}.
     */
    public void testInterruptedGet() {

        Buffer blockingBuffer = BlockingBuffer.decorate(new MyBuffer());
        Object obj = new Object();
       
        // spawn a read thread to wait on the empty buffer
        ArrayList exceptionList = new ArrayList();
        Thread thread = new ReadThread(blockingBuffer, obj, exceptionList);
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