Examples of org.castor.cache.Cache

org.castor.cache.Cache
Interface specification for performance caches as used in Castor. Please implement this interface if you wish to provide your own cache implementation.
At initialization each cache implementation gets passed a properties map containing key/value pairs. Apart of 3 reserved standard properties, individual once can be used to configure the cache behavier. The standard properties are:
type which is evaluated by the CacheFactoryRegistry and defines the requested cache type. If not set count-limited cahce will be used as default.
debug is also evaluated by the CacheFactoryRegistry and defines if the cache instance will be wrapped by a DebuggingCacheProxy to log debug messages at every access to the cache. If not set no debugging will take place.
name is used by AbstractBaseCache to set the name of the cache instance. At the moment every cache type available extends this AbstractBaseCache. The name does not influence internal behavier of the cache but is usefull to identify from which cache instance debug messages are coming from. By default castor uses the classname of the cached objects as name for the cache. If not present the name will be empty.
For a description of the individual properties you should have a look at the javadoc of the different cache types. It needs to be noted that only string keys and values are allowed. @author Werner Guttmann @author Ralf Joachim @version $Revision: 7950 $ $Date: 2006-04-25 16:09:10 -0600 (Tue, 25 Apr 2006) $ @since 1.0

        Cache c = new EHCache();
        assertTrue(c instanceof EHCache);
    }


    public void testGetType() throws Exception {
        Cache c = new EHCache();
        assertEquals("ehcache", c.getType());
    }

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    }


    public void testGetCache() {
        CacheFactory cf = new UnlimitedFactory();
        try {
            Cache c = cf.getCache(null);
            assertTrue(c instanceof Unlimited);
        } catch (CacheAcquireException ex) {
            fail("Failed to get instance of Unlimited from factroy");
        }
    }

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        logger.setLevel(level);
    }


    public void testClose() throws Exception {
        Cache c = new EHCache();
        int counter = DistributedCacheMock.getCounter();
        
        c.close();
        assertEquals(counter, DistributedCacheMock.getCounter());
    }

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    }


    public void testGetCache() {
        CacheFactory cf = new JcsCacheFactory();
        try {
            Cache c = cf.getCache(null);
            assertTrue(c instanceof JcsCache);
        } catch (CacheAcquireException ex) {
            fail("Failed to get instance of JcsCache from factroy");
        }
    }

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        assertFalse(cache.containsValue("fourth value"));
        assertFalse(cache.containsValue("fifth value"));
    }


    public void testClear() {
        Cache cache = initialize();


        cache.clear();


        assertFalse(cache.containsKey("first key"));
        assertFalse(cache.containsKey("second key"));
        assertFalse(cache.containsKey("third key"));
        assertFalse(cache.containsKey("fourth key"));
        assertFalse(cache.containsKey("fifth key"));
    }

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    }


    public void testGetCache() {
        CacheFactory cf = new FKCacheFactory();
        try {
            Cache c = cf.getCache(null);
            assertTrue(c instanceof FKCache);
        } catch (CacheAcquireException ex) {
            fail("Failed to get instance of FKCache from factroy");
        }
    }

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        assertFalse(cache.containsKey("fourth key"));
        assertFalse(cache.containsKey("fifth key"));
    }


    public void testSize() {
        Cache cache = initialize();


        assertEquals(3, cache.size());
        cache.clear();
        assertEquals(0, cache.size());
    }

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        cache.clear();
        assertEquals(0, cache.size());
    }


    public void testIsEmpty() {
        Cache cache = initialize();


        assertFalse(cache.isEmpty());
        cache.clear();
        assertTrue(cache.isEmpty());
    }

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        cache.clear();
        assertTrue(cache.isEmpty());
    }


    public void testGet() {
        Cache cache = initialize();


        assertEquals("first value", cache.get("first key"));
        assertEquals("second value", cache.get("second key"));
        assertEquals("third value", cache.get("third key"));
        assertNull(cache.get("fourth key"));
        assertNull(cache.get("fifth key"));
    }

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        assertNull(cache.get("fourth key"));
        assertNull(cache.get("fifth key"));
    }


    public void testPut() {
        Cache cache = initialize();


        assertEquals("third value", cache.put("third key", "alternate third value"));
        assertNull(cache.put("fourth key", "forth value"));


        assertTrue(cache.containsKey("first key"));
        assertTrue(cache.containsKey("second key"));
        assertTrue(cache.containsKey("third key"));
        assertTrue(cache.containsKey("fourth key"));
        assertFalse(cache.containsKey("fifth key"));
    }

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Related Classes of org.castor.cache.Cache

org.castor.cache.distributed.OsCacheFactory

org.castor.cache.distributed.TestCoherenceCache

org.castor.cache.distributed.TestCoherenceCacheFactory

org.castor.cache.distributed.TestEHCache

org.castor.cache.distributed.TestEHCacheFactory

org.castor.cache.distributed.TestFKCache

org.castor.cache.distributed.TestFKCacheFactory

org.castor.cache.distributed.TestGigaspacesCache

org.castor.cache.distributed.TestGigaspacesCacheFactory

org.castor.cache.distributed.TestJCache

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