Java Code Examples for java.util.concurrent.LinkedBlockingDeque#remove()

The following examples show how to use java.util.concurrent.LinkedBlockingDeque#remove() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * retainAll(c) retains only those elements of c and reports true if changed
 */
public void testRetainAll() {
    LinkedBlockingDeque q = populatedDeque(SIZE);
    LinkedBlockingDeque p = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        boolean changed = q.retainAll(p);
        if (i == 0)
            assertFalse(changed);
        else
            assertTrue(changed);

        assertTrue(q.containsAll(p));
        assertEquals(SIZE - i, q.size());
        p.remove();
    }
}
 
Example 2
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * Descending iterator ordering is reverse FIFO
 */
public void testDescendingIteratorOrdering() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque();
    for (int iters = 0; iters < 100; ++iters) {
        q.add(new Integer(3));
        q.add(new Integer(2));
        q.add(new Integer(1));
        int k = 0;
        for (Iterator it = q.descendingIterator(); it.hasNext();) {
            assertEquals(++k, it.next());
        }

        assertEquals(3, k);
        q.remove();
        q.remove();
        q.remove();
    }
}
 
Example 3
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up
/**
 * descendingIterator.remove removes current element
 */
public void testDescendingIteratorRemove() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque();
    for (int iters = 0; iters < 100; ++iters) {
        q.add(new Integer(3));
        q.add(new Integer(2));
        q.add(new Integer(1));
        Iterator it = q.descendingIterator();
        assertEquals(it.next(), new Integer(1));
        it.remove();
        assertEquals(it.next(), new Integer(2));
        it = q.descendingIterator();
        assertEquals(it.next(), new Integer(2));
        assertEquals(it.next(), new Integer(3));
        it.remove();
        assertFalse(it.hasNext());
        q.remove();
    }
}
 
Example 4
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up
/**
 * retainAll(c) retains only those elements of c and reports true if changed
 */
public void testRetainAll() {
    LinkedBlockingDeque q = populatedDeque(SIZE);
    LinkedBlockingDeque p = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        boolean changed = q.retainAll(p);
        if (i == 0)
            assertFalse(changed);
        else
            assertTrue(changed);

        assertTrue(q.containsAll(p));
        assertEquals(SIZE - i, q.size());
        p.remove();
    }
}
 
Example 5
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up
/**
 * Descending iterator ordering is reverse FIFO
 */
public void testDescendingIteratorOrdering() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque();
    for (int iters = 0; iters < 100; ++iters) {
        q.add(new Integer(3));
        q.add(new Integer(2));
        q.add(new Integer(1));
        int k = 0;
        for (Iterator it = q.descendingIterator(); it.hasNext();) {
            assertEquals(++k, it.next());
        }

        assertEquals(3, k);
        q.remove();
        q.remove();
        q.remove();
    }
}
 
Example 6
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 6 votes vote down vote up
/**
 * descendingIterator.remove removes current element
 */
public void testDescendingIteratorRemove() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque();
    for (int iters = 0; iters < 100; ++iters) {
        q.add(new Integer(3));
        q.add(new Integer(2));
        q.add(new Integer(1));
        Iterator it = q.descendingIterator();
        assertEquals(it.next(), new Integer(1));
        it.remove();
        assertEquals(it.next(), new Integer(2));
        it = q.descendingIterator();
        assertEquals(it.next(), new Integer(2));
        assertEquals(it.next(), new Integer(3));
        it.remove();
        assertFalse(it.hasNext());
        q.remove();
    }
}
 
Example 7
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up
/**
 * remove removes next element, or throws NSEE if empty
 */
public void testRemove() {
    LinkedBlockingDeque q = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertEquals(i, q.remove());
    }
    try {
        q.remove();
        shouldThrow();
    } catch (NoSuchElementException success) {}
}
 
Example 8
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up
/**
 * removeAll(c) removes only those elements of c and reports true if changed
 */
public void testRemoveAll() {
    for (int i = 1; i < SIZE; ++i) {
        LinkedBlockingDeque q = populatedDeque(SIZE);
        LinkedBlockingDeque p = populatedDeque(i);
        assertTrue(q.removeAll(p));
        assertEquals(SIZE - i, q.size());
        for (int j = 0; j < i; ++j) {
            Integer x = (Integer)(p.remove());
            assertFalse(q.contains(x));
        }
    }
}
 
Example 9
Source File: LinkedBlockingDequeTest.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up
/**
 * Modifications do not cause iterators to fail
 */
public void testWeaklyConsistentIteration() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
    q.add(one);
    q.add(two);
    q.add(three);
    for (Iterator it = q.iterator(); it.hasNext();) {
        q.remove();
        it.next();
    }
    assertEquals(0, q.size());
}
 
Example 10
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/**
 * remove removes next element, or throws NSEE if empty
 */
public void testRemove() {
    LinkedBlockingDeque q = populatedDeque(SIZE);
    for (int i = 0; i < SIZE; ++i) {
        assertEquals(i, q.remove());
    }
    try {
        q.remove();
        shouldThrow();
    } catch (NoSuchElementException success) {}
}
 
Example 11
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/**
 * removeAll(c) removes only those elements of c and reports true if changed
 */
public void testRemoveAll() {
    for (int i = 1; i < SIZE; ++i) {
        LinkedBlockingDeque q = populatedDeque(SIZE);
        LinkedBlockingDeque p = populatedDeque(i);
        assertTrue(q.removeAll(p));
        assertEquals(SIZE - i, q.size());
        for (int j = 0; j < i; ++j) {
            Integer x = (Integer)(p.remove());
            assertFalse(q.contains(x));
        }
    }
}
 
Example 12
Source File: LinkedBlockingDequeTest.java    From j2objc with Apache License 2.0 5 votes vote down vote up
/**
 * Modifications do not cause iterators to fail
 */
public void testWeaklyConsistentIteration() {
    final LinkedBlockingDeque q = new LinkedBlockingDeque(3);
    q.add(one);
    q.add(two);
    q.add(three);
    for (Iterator it = q.iterator(); it.hasNext();) {
        q.remove();
        it.next();
    }
    assertEquals(0, q.size());
}
 
Example 13
Source File: TimeCacheQueue.java    From jstorm with Apache License 2.0 5 votes vote down vote up
public void remove(K entry) {
    synchronized (_lock) {
        for (LinkedBlockingDeque<K> bucket : _buckets) {
            if (bucket.contains(entry)) {
                bucket.remove(entry);
                return;
            }
        }
    }
}
 
Example 14
Source File: EvictingDeque.java    From airpal with Apache License 2.0 4 votes vote down vote up
protected boolean evictItem(LinkedBlockingDeque<E> deque)
{
    return deque.remove() != null;
}