Examples of org.apache.turbine.services.cache.GlobalCacheService

Package org.apache.turbine.services.cache

Examples of org.apache.turbine.services.cache.GlobalCacheService

org.apache.turbine.services.cache.GlobalCacheService
GlobalCacheService interface. @author Dave Bryson @version $Id: GlobalCacheService.java 264148 2005-08-29 14:21:04Z henning $

    {
        String testString = new String( "This is a test");
        Object retrievedObject = null;
        CachedObject cacheObject = null;


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );


        // Create and add Object that expires in 1000 millis (1 second)
        cacheObject = new CachedObject(testString, 1000);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);


        // Try to get un-expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object", retrievedObject);
            assertEquals( "Did not retrieved correct cached object", cacheObject, retrievedObject);
        }
        catch (ObjectExpiredException e)
        {
            assertTrue( "Object expired early ( " + (System.currentTimeMillis() - addTime) + " millis)", false);
        }
        catch (Exception e)
        {
            throw e;
        }


        // Sleep 1500 Millis (1.5 seconds)
        Thread.sleep(1500);


        // Try to get expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNull( "Retrieved the expired cached object  and did not get expected ObjectExpiredException", retrievedObject);
            assertNotNull( "Did not get expected ObjectExpiredException retrieving an expired object", retrievedObject);
        }
        catch (ObjectExpiredException e)
        {
            assertNull( "Retrieved the expired cached object, but caught expected ObjectExpiredException exception", retrievedObject);
        }
        catch (Exception e)
        {
            throw e;
        }


        // Remove objects
        globalCache.removeObject(cacheKey);
    }

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    {
        String testString = new String( "This is a test");
        Object retrievedObject = null;
        CachedObject cacheObject = null;


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );


        // Create and add Object that expires in 1 turbine Refresh + 1 millis
        cacheObject = new CachedObject(testString, (TURBINE_CACHE_REFRESH*5) + 1);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);


        // 1 Refresh
        Thread.sleep(TURBINE_CACHE_REFRESH + 1);
        assertTrue("No object in cache before flush", (0 < globalCache.getNumberOfObjects()));


        // Flush Cache
        globalCache.flushCache();


        // Wait 15 seconds, 3 Refresh
        Thread.sleep((TURBINE_CACHE_REFRESH * 2) + 1);
        assertEquals("After refresh", 0, globalCache.getNumberOfObjects());


        // Remove objects
        globalCache.removeObject(cacheKey);
    }

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     * Verify the Cache count is correct.
     * @throws Exception
     */
    public void testObjectCount() throws Exception
    {
        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        assertNotNull("Could not retrive cache service.", globalCache);


        // Create and add Object that expires in 1.5 turbine Refresh
        long expireTime = TURBINE_CACHE_REFRESH + TURBINE_CACHE_REFRESH/2;
        CachedObject cacheObject = new CachedObject("This is a test", expireTime);
        assertNotNull( "Failed to create a cachable object", cacheObject);


        globalCache.addObject(cacheKey, cacheObject);
        assertEquals("After adding 1 Object", 1, globalCache.getNumberOfObjects());


        // Wait until we're passed 1 refresh, but not half way.
        Thread.sleep(TURBINE_CACHE_REFRESH + TURBINE_CACHE_REFRESH/3);
        assertEquals("After one refresh", 1, globalCache.getNumberOfObjects());


        // Wait until we're passed 2 more refreshes
        Thread.sleep((TURBINE_CACHE_REFRESH * 2) + TURBINE_CACHE_REFRESH/3);
        assertEquals("After three refreshes", 0, globalCache.getNumberOfObjects());
    }

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    {
        String testString = new String( "This is a test");
        Object retrievedObject = null;
        RefreshableCachedObject cacheObject = null;


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );


        // Create and add Object that expires in TEST_EXPIRETIME millis.
        cacheObject = new RefreshableCachedObject(new RefreshableObject(), TEST_EXPIRETIME);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);


        // Try to get un-expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object", retrievedObject);
            assertEquals( "Did not retrieved correct cached object", cacheObject, retrievedObject);
        }
        catch (ObjectExpiredException e)
        {
            assertTrue( "Object expired early ( " + (System.currentTimeMillis() - addTime) + " millis)", false);
        }
        catch (Exception e)
        {
            throw e;
        }


        // Wait 1 Turbine cache refresh + 1 second.
        Thread.sleep(TEST_EXPIRETIME + 1000);


        // Try to get expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object, after sleep", retrievedObject);
            assertNotNull( "Cached object has no contents, after sleep.", ((RefreshableCachedObject)retrievedObject).getContents());
            assertTrue( "Object did not refresh.", ( ((RefreshableObject)((RefreshableCachedObject)retrievedObject).getContents()).getRefreshCount() > 0));
        }
        catch (ObjectExpiredException e)
        {
            assertTrue( "Received unexpected ObjectExpiredException exception "
            + "when retrieving refreshable object after ( "
            + (System.currentTimeMillis() - addTime) + " millis)", false);
        }
        catch (Exception e)
        {
            throw e;
        }


        // See if object will expires (testing every second for 100 seconds.  It sould not!
        for (int i=0; i<100; i++)
        {
            Thread.sleep(1000); // Sleep 0.5 seconds


            // Try to get expired object
            try
            {
                retrievedObject = null;
                retrievedObject = globalCache.getObject(cacheKey);
                assertNotNull( "Did not retrieved a cached object, after sleep", retrievedObject);
                assertNotNull( "Cached object has no contents, after sleep.", ((RefreshableCachedObject)retrievedObject).getContents());
                assertTrue( "Object did not refresh.", ( ((RefreshableObject)((RefreshableCachedObject)retrievedObject).getContents()).getRefreshCount() > 0));
            }
            catch (ObjectExpiredException e)
            {
                assertTrue( "Received unexpected ObjectExpiredException exception "
                + "when retrieving refreshable object after ( "
                + (System.currentTimeMillis() - addTime) + " millis)", false);
            }
            catch (Exception e)
            {
                throw e;
            }
        }
        // Remove objects
        globalCache.removeObject(cacheKey);
    }

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    {
        String testString = new String( "This is a test");
        Object retrievedObject = null;
        RefreshableCachedObject cacheObject = null;


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );


        // Create and add Object that expires in TEST_EXPIRETIME millis.
        cacheObject = new RefreshableCachedObject(new RefreshableObject(), TEST_EXPIRETIME);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        cacheObject.setTTL(TEST_TIMETOLIVE);


        // Verify TimeToLive was set
        assertEquals( "Returned TimeToLive", TEST_TIMETOLIVE, cacheObject.getTTL());


        // Add object to Cache
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);


        // Try to get un-expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object", retrievedObject);
            assertEquals( "Did not retrieved correct cached object", cacheObject, retrievedObject);
        }
        catch (ObjectExpiredException e)
        {
            assertTrue( "Object expired early ( " + (System.currentTimeMillis() - addTime) + " millis)", false);
        }
        catch (Exception e)
        {
            throw e;
        }


        // Wait long enough to allow object to expire, but do not exceed TTL
        Thread.sleep(TEST_TIMETOLIVE - 2000);


        // Try to get expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object, after sleep", retrievedObject);
            assertNotNull( "Cached object has no contents, after sleep.", ((RefreshableCachedObject)retrievedObject).getContents());
            assertTrue( "Object did not refresh.", ( ((RefreshableObject)((RefreshableCachedObject)retrievedObject).getContents()).getRefreshCount() > 0));
        }
        catch (ObjectExpiredException e)
        {
            assertTrue( "Received unexpected ObjectExpiredException exception "
            + "when retrieving refreshable object after ( "
            + (System.currentTimeMillis() - addTime) + " millis)", false);
        }
        catch (Exception e)
        {
            throw e;
        }


        // Wait long enough to allow object to expire and exceed TTL
        Thread.sleep(TEST_TIMETOLIVE +5000);


        // Try to get expired object
        try
        {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNull( "Retrieved a cached object, after exceeding TimeToLive", retrievedObject);
        }
        catch (ObjectExpiredException e)
        {
            assertNull( "Retrieved the expired cached object, but caught expected ObjectExpiredException exception", retrievedObject);

View Full Code Here

    public void testSimpleAddGetCacheObject() throws Exception {
        String testString = new String( "This is a test");
        Object retrievedObject = null;
        CachedObject cacheObject1 = null;
        
        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        
        // Create object
        cacheObject1 = new CachedObject(testString);
        assertNotNull( "Failed to create a cachable object 1", cacheObject1);
        
        // Add object to cache
        globalCache.addObject(cacheKey, cacheObject1);
        
        // Get object from cache
        retrievedObject = globalCache.getObject(cacheKey);
        assertNotNull( "Did not retrieved a cached object 1", retrievedObject);
        assertTrue( "Did not retrieved a correct, expected cached object 1", retrievedObject == cacheObject1);
        
        // Remove object from cache
        globalCache.removeObject(cacheKey);
        
        // Verify object removed from cache
        retrievedObject = null;
        cacheObject1 = null;
        try {
            retrievedObject = globalCache.getObject(cacheKey);
            assertNull( "Retrieved the deleted cached object 1 and did not get expected ObjectExpiredException", retrievedObject);
            assertNotNull( "Did not get expected ObjectExpiredException retrieving a deleted object", retrievedObject);
        } catch (ObjectExpiredException e) {
            assertNull( "Retrieved the deleted cached object 1, but caught expected ObjectExpiredException exception", retrievedObject);
        } catch (Exception e) {
            throw e;
        }
        
        // Remove object from cache that does NOT exist in the cache
        globalCache.removeObject(cacheKey);
    }

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        String testString = new String( "This is a test");
        Object retrievedObject = null;
        CachedObject cacheObject1 = null;
        CachedObject cacheObject2 = null;
        
        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        
        // Create and add Object #1
        cacheObject1 = new CachedObject(testString);
        assertNotNull( "Failed to create a cachable object 1", cacheObject1);
        globalCache.addObject(cacheKey, cacheObject1);
        retrievedObject = globalCache.getObject(cacheKey);
        assertNotNull( "Did not retrieved a cached object 1", retrievedObject);
        assertEquals( "Did not retrieved correct cached object", cacheObject1, retrievedObject);
        
        // Create and add Object #2
        cacheObject2 = new CachedObject(testString);
        assertNotNull( "Failed to create a cachable object 2", cacheObject2);
        globalCache.addObject(cacheKey_2, cacheObject2);
        retrievedObject = globalCache.getObject(cacheKey_2);
        assertNotNull( "Did not retrieved a cached object 2", retrievedObject);
        assertEquals( "Did not retrieved correct cached object 2", cacheObject2, retrievedObject);
        
        // Get object #1
        retrievedObject = globalCache.getObject(cacheKey);
        assertNotNull( "Did not retrieved a cached object 1. Attempt #2", retrievedObject);
        assertEquals( "Did not retrieved correct cached object 1. Attempt #2", cacheObject1, retrievedObject);
        
        // Get object #1
        retrievedObject = globalCache.getObject(cacheKey);
        assertNotNull( "Did not retrieved a cached object 1. Attempt #3", retrievedObject);
        assertEquals( "Did not retrieved correct cached object 1. Attempt #3", cacheObject1, retrievedObject);
        
        // Get object #2
        retrievedObject = globalCache.getObject(cacheKey_2);
        assertNotNull( "Did not retrieved a cached object 2. Attempt #2", retrievedObject);
        assertEquals( "Did not retrieved correct cached object 2 Attempt #2", cacheObject2, retrievedObject);
        
        // Remove objects
        globalCache.removeObject(cacheKey);
        globalCache.removeObject(cacheKey_2);
    }

View Full Code Here

        CachedObject cacheObject = null;
        
//        getLogger().warn("This test will take a few mintes");
        System.out.println("This test will take a few mintes");
        
        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        
        // Create and add Object that expires in 1000 millis (1 second)
        cacheObject = new CachedObject(testString, 1000);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);
        
        // Try to get un-expired object
        try {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNotNull( "Did not retrieved a cached object", retrievedObject);
            assertEquals( "Did not retrieved correct cached object", cacheObject, retrievedObject);
        } catch (ObjectExpiredException e) {
            assertTrue( "Object expired early ( " + (System.currentTimeMillis() - addTime) + " millis)", false);
        } catch (Exception e) {
            throw e;
        }
        
        // Sleep 1500 Millis (1.5 seconds)
        Thread.sleep(1500);
        
        // Try to get expired object
        try {
            retrievedObject = null;
            retrievedObject = globalCache.getObject(cacheKey);
            assertNull( "Retrieved the expired cached object  and did not get expected ObjectExpiredException", retrievedObject);
            assertNotNull( "Did not get expected ObjectExpiredException retrieving an expired object", retrievedObject);
        } catch (ObjectExpiredException e) {
            assertNull( "Retrieved the expired cached object, but caught expected ObjectExpiredException exception", retrievedObject);
        } catch (Exception e) {
            throw e;
        }
        
        // Remove objects
        globalCache.removeObject(cacheKey);
    }

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        String testString = new String( "This is a test");
        Object retrievedObject = null;
        CachedObject cacheObject = null;
        


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        
        // Create and add Object that expires in 1 turbine Refresh + 1 millis 
        cacheObject = new CachedObject(testString, (TURBINE_CACHE_REFRESH*5) + 1);
        assertNotNull( "Failed to create a cachable object", cacheObject);
        long addTime = System.currentTimeMillis();
        globalCache.addObject(cacheKey, cacheObject);


        // 1 Refresh
        Thread.sleep(TURBINE_CACHE_REFRESH + 1);
        assertTrue("No object in cache before flush", (0 < globalCache.getNumberOfObjects()));
        
        // Flush Cache
        globalCache.flushCache();


        // Wait 15 seconds, 3 Refresh
        Thread.sleep((TURBINE_CACHE_REFRESH * 2) + 1);
        assertEquals("After refresh", 0, globalCache.getNumberOfObjects());
        // Remove objects
        globalCache.removeObject(cacheKey);
    }

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     * @throws Exception
     */    
    
    public void testObjectCount() throws Exception {


        GlobalCacheService globalCache = (GlobalCacheService)TurbineServices
        .getInstance()
        .getService( GlobalCacheService.SERVICE_NAME );
        assertNotNull("Could not retrive cache service.", globalCache);
        
        // Create and add Object that expires in 1.5 turbine Refresh
        long expireTime = TURBINE_CACHE_REFRESH + TURBINE_CACHE_REFRESH/2;
        CachedObject cacheObject = new CachedObject("This is a test", expireTime);
        assertNotNull( "Failed to create a cachable object", cacheObject);


        globalCache.addObject(cacheKey, cacheObject);
        assertEquals("After adding 1 Object", 1, globalCache.getNumberOfObjects());
        
        // Wait until we're passed 1 refresh, but not half way.
        Thread.sleep(TURBINE_CACHE_REFRESH + TURBINE_CACHE_REFRESH/3);
        assertEquals("After one refresh", 1, globalCache.getNumberOfObjects());


        // Wait until we're passed 2 more refreshes
        Thread.sleep((TURBINE_CACHE_REFRESH * 2) + TURBINE_CACHE_REFRESH/3);
        assertEquals("After three refreshes", 0, globalCache.getNumberOfObjects());
    }

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