Examples with Cache com.yahoo.prelude.cache.Cache used on opensource projects

Example 6 with Cache

use of com.yahoo.prelude.cache.Cache in project vespa by vespa-engine.

the class CacheTestCase method testExpire.

@Test
public void testExpire() throws InterruptedException {
    // 10 KB, 50ms expire
    Cache cache = new Cache(10 * 1024, 50, 10000, Statistics.nullImplementation);
    boolean success = false;
    for (int tries = 0; tries < 10; tries++) {
        long before = System.currentTimeMillis();
        cache.put("foo", "bar");
        cache.put("hey", "ho");
        Object got1 = cache.get("foo");
        Object got2 = cache.get("hey");
        long after = System.currentTimeMillis();
        if (after - before < 50) {
            assertEquals(got1, "bar");
            assertEquals(got2, "ho");
            success = true;
            break;
        }
    }
    assertTrue(success);
    Thread.sleep(100);
    assertNull(cache.get("foo"));
    assertNull(cache.get("hey"));
}

Example 7 with Cache

use of com.yahoo.prelude.cache.Cache in project vespa by vespa-engine.

the class CacheTestCase method testBasicGet.

@Test
public void testBasicGet() {
    Cache<QueryCacheKey, Result> cache = new Cache<>(100 * 1024, 3600, 100000, Statistics.nullImplementation);
    Query q = new Query("/std_xmls_a00?hits=5&offset=5&query=flowers+shop&tracelevel=4&objid=ffffffffffffffff");
    Query q2 = new Query("/std_xmls_a00?hits=5&offset=5&query=flowers+shop&tracelevel=4&objid=ffffffffffffffff");
    QueryCacheKey qk = new QueryCacheKey(q);
    QueryCacheKey qk2 = new QueryCacheKey(q2);
    Result r = getSomeResult(q, "foo");
    Result r2 = getSomeResult(q, "bar");
    assertNull(cache.get(qk));
    cache.put(qk, r);
    assertNotNull(cache.get(qk));
    assertEquals(cache.get(qk), r);
    cache.put(qk2, r);
    assertEquals(cache.get(qk2), r);
    cache.put(qk, r2);
    assertEquals(cache.get(qk), r2);
}

Example 8 with Cache

use of com.yahoo.prelude.cache.Cache in project vespa by vespa-engine.

the class CacheTestCase method testPutTooLarge.

@Test
public void testPutTooLarge() {
    byte[] tenKB = new byte[10 * 1024];
    for (int i = 0; i < 10 * 1024; i++) {
        tenKB[i] = 127;
    }
    byte[] sevenKB = new byte[7 * 1024];
    for (int i = 0; i < 7 * 1024; i++) {
        sevenKB[i] = 127;
    }
    // 9 KB
    Cache cache = new Cache(9 * 1024, 3600, 100 * 1024, Statistics.nullImplementation);
    assertFalse(cache.put("foo", tenKB));
    assertTrue(cache.put("foo", sevenKB));
    assertEquals(cache.get("foo"), sevenKB);
}