Examples with CacheInstantiator nl.basjes.parse.useragent.AbstractUserAgentAnalyzer.CacheInstantiator used on opensource projects

Example 1 with CacheInstantiator

use of nl.basjes.parse.useragent.AbstractUserAgentAnalyzer.CacheInstantiator in project yauaa by nielsbasjes.

the class TestCaching method testCustomCacheImplementationInline.

@Test
void testCustomCacheImplementationInline() {
    String userAgent = "Mozilla/5.0 (Linux; Android 8.1.0; Pixel Build/OPM4.171019.021.D1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.98 Mobile Safari/537.36";
    UserAgentAnalyzer uaa = UserAgentAnalyzer.newBuilder().withCacheInstantiator(new CacheInstantiator() {

        @Override
        public Map<String, ImmutableUserAgent> instantiateCache(int cacheSize) {
            // The Map MUST be synchronized
            return Collections.synchronizedMap(// This is ONLY for this test.
            new LRUMap<String, ImmutableUserAgent>(cacheSize) {

                @Override
                public ImmutableUserAgent get(Object key) {
                    LOG.info("Did a GET on {}", key);
                    return super.get(key);
                }

                @Override
                public ImmutableUserAgent put(String key, ImmutableUserAgent value) {
                    LOG.info("Did a PUT on {}", key);
                    return super.put(key, value);
                }
            });
        }
    }).withCache(10).hideMatcherLoadStats().build();
    // First time
    UserAgent agent1 = uaa.parse(userAgent);
    // Should come from cache
    UserAgent agent2 = uaa.parse(userAgent);
    // Both should be the same
    assertEquals(agent1, agent2);
}