Examples with LongAdder java.util.concurrent.atomic.LongAdder used on opensource projects

Example 51 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachValueInParallel.

/**
     * Mapped forEachValueInParallel traverses the given
     * transformations of all values
     */
public void testMappedForEachValueInParallel() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachValue(1L, (Long x) -> Long.valueOf(4 * x.longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1));
}

Example 52 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachEntryInParallel.

/**
     * Mapped forEachEntryInParallel traverses the given
     * transformations of all entries
     */
public void testMappedForEachEntryInParallel() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachEntry(1L, (Map.Entry<Long, Long> e) -> Long.valueOf(e.getKey().longValue() + e.getValue().longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2);
}

Example 53 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testForEachValueSequentially.

/**
     * forEachValueSequentially traverses all values
     */
public void testForEachValueSequentially() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachValue(Long.MAX_VALUE, (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), SIZE * (SIZE - 1));
}

Example 54 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachSequentially.

/**
     * Mapped forEachSequentially traverses the given
     * transformations of all mappings
     */
public void testMappedForEachSequentially() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEach(Long.MAX_VALUE, (Long x, Long y) -> Long.valueOf(x.longValue() + y.longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 3 * SIZE * (SIZE - 1) / 2);
}

Example 55 with LongAdder

use of java.util.concurrent.atomic.LongAdder in project mapdb by jankotek.

the class ConcurrentHashMap8Test method testMappedForEachValueSequentially.

/**
     * Mapped forEachValueSequentially traverses the given
     * transformations of all values
     */
public void testMappedForEachValueSequentially() {
    LongAdder adder = new LongAdder();
    ConcurrentHashMap<Long, Long> m = longMap();
    m.forEachValue(Long.MAX_VALUE, (Long x) -> Long.valueOf(4 * x.longValue()), (Long x) -> adder.add(x.longValue()));
    assertEquals(adder.sum(), 4 * SIZE * (SIZE - 1));
}