Examples with SoftCache org.apache.ibatis.cache.decorators.SoftCache used on opensource projects

Example 1 with SoftCache

use of org.apache.ibatis.cache.decorators.SoftCache in project mybatis-3 by mybatis.

the class SoftCacheTest method shouldDemonstrateCopiesAreEqual.

@Test
public void shouldDemonstrateCopiesAreEqual() {
    Cache cache = new SoftCache(new PerpetualCache("default"));
    cache = new SerializedCache(cache);
    for (int i = 0; i < 1000; i++) {
        cache.putObject(i, i);
        Object value = cache.getObject(i);
        assertTrue(value == null || value.equals(i));
    }
}

Example 2 with SoftCache

use of org.apache.ibatis.cache.decorators.SoftCache in project mybatis-3 by mybatis.

the class SoftCacheTest method shouldFlushAllItemsOnDemand.

@Test
public void shouldFlushAllItemsOnDemand() {
    Cache cache = new SoftCache(new PerpetualCache("default"));
    for (int i = 0; i < 5; i++) {
        cache.putObject(i, i);
    }
    assertNotNull(cache.getObject(0));
    assertNotNull(cache.getObject(4));
    cache.clear();
    assertNull(cache.getObject(0));
    assertNull(cache.getObject(4));
}

Example 3 with SoftCache

use of org.apache.ibatis.cache.decorators.SoftCache in project mybatis-3 by mybatis.

the class SoftCacheTest method shouldRemoveItemOnDemand.

@Test
public void shouldRemoveItemOnDemand() {
    Cache cache = new SoftCache(new PerpetualCache("default"));
    cache.putObject(0, 0);
    assertNotNull(cache.getObject(0));
    cache.removeObject(0);
    assertNull(cache.getObject(0));
}

Example 4 with SoftCache

use of org.apache.ibatis.cache.decorators.SoftCache in project mybatis-3 by mybatis.

the class SoftCacheTest method shouldDemonstrateObjectsBeingCollectedAsNeeded.

@Test
public void shouldDemonstrateObjectsBeingCollectedAsNeeded() throws Exception {
    final int N = 3000000;
    SoftCache cache = new SoftCache(new PerpetualCache("default"));
    for (int i = 0; i < N; i++) {
        //waste a bunch of memory
        byte[] array = new byte[5001];
        array[5000] = 1;
        cache.putObject(i, array);
        Object value = cache.getObject(i);
        if (cache.getSize() < i + 1) {
            //System.out.println("Cache exceeded with " + (i + 1) + " entries.");
            break;
        }
    }
    assertTrue(cache.getSize() < N);
}