Package org.apache.jcs

Examples of org.apache.jcs.JCS

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     * @throws CacheException
     */
    public void testPutGetThroughHub()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testPutGetThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max * 2;

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        // Test that first items are not in the cache
        for ( int i = max; i >= 0; i-- )
        {
            String value = (String) cache.get( i + ":key" );
            assertNull( "Should not have value for key [" + i + ":key" + "] in the cache.", value );
        }

        // Test that last items are in cache
        // skip 2 for the buffer.
        for ( int i = max + 2; i < items; i++ )
        {
            String value = (String) cache.get( i + ":key" );
            assertEquals( "myregion" + " data " + i, value );
        }

    }
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     * @throws CacheException
     */
    public void testPutGetThroughHubTwice()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testPutGetThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max * 2;

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        // Test that first items are not in the cache
        for ( int i = max; i >= 0; i-- )
        {
            String value = (String) cache.get( i + ":key" );
            assertNull( "Should not have value for key [" + i + ":key" + "] in the cache.", value );
        }

        // Test that last items are in cache
        // skip 2 for the buffer.
        for ( int i = max + 2; i < items; i++ )
        {
            String value = (String) cache.get( i + ":key" );
            assertEquals( "myregion" + " data " + i, value );
        }

    }
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     * @throws CacheException
     */
    public void testPutRemoveThroughHub()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testPutGetThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max * 2;

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        for ( int i = 0; i < items; i++ )
        {
            cache.remove( i + ":key" );
        }

        // Test that first items are not in the cache
        for ( int i = max; i >= 0; i-- )
        {
            String value = (String) cache.get( i + ":key" );
            assertNull( "Should not have value for key [" + i + ":key" + "] in the cache.", value );
        }
    }
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     * @throws CacheException
     */
    public void testClearThroughHub()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testPutGetThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max * 2;

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        cache.clear();

        // Test that first items are not in the cache
        for ( int i = max; i >= 0; i-- )
        {
            String value = (String) cache.get( i + ":key" );
            assertNull( "Should not have value for key [" + i + ":key" + "] in the cache.", value );
        }
    }
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     * @exception Exception If an error occurs
     */
    public void runTestForRegion( String region, int start, int end )
        throws Exception
    {
        JCS jcs = JCS.getInstance( region );

        // Add items to cache

        for ( int i = start; i <= end; i++ )
        {
            jcs.put( i + ":key", region + " data " + i + "-" + region );
        }

        // Test that all items are in cache

        for ( int i = start; i <= end; i++ )
        {
            String key = i + ":key";
            String value = (String) jcs.get( key );

            assertEquals( "Wrong value for key [" + key + "]", region + " data " + i + "-" + region, value );
        }
    }
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     * @throws CacheException
     */
    public void testGetStatsThroughHub()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testGetStatsThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max * 2;

        for ( int i = 0; i < items; i++ )
        {
            cache.put( i + ":key", "myregion" + " data " + i );
        }

        String stats = cache.getStats();

        System.out.println( stats );

        // TODO improve stats check
        assertTrue( "Should have 200 puts", stats.indexOf( "2000" ) != -1 );
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     * @throws CacheException
     */
    public void testRemovePartialThroughHub()
        throws CacheException
    {
        JCS cache = JCS.getInstance( "testGetStatsThroughHub" );

        int max = cache.getCacheAttributes().getMaxObjects();
        int items = max / 2;

        cache.put( "test", "data" );

        String root = "myroot";

        for ( int i = 0; i < items; i++ )
        {
            cache.put( root + ":" + i + ":key", "myregion" + " data " + i );
        }

        // Test that last items are in cache
        for ( int i = 0; i < items; i++ )
        {
            String value = (String) cache.get( root + ":" + i + ":key" );
            assertEquals( "myregion" + " data " + i, value );
        }

        // remove partial
        cache.remove( root + ":" );

        for ( int i = 0; i < items; i++ )
        {
            assertNull( "Should have been removed by partial loop.", cache.get( root + ":" + i + ":key" ) );
        }

        assertNotNull( "Other item should be in the cache.", cache.get( "test" ) );

    }
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        throws Exception
    {
        String regionExpire = "expire1Second";
        int items = 200;

        JCS jcsExpire = JCS.getInstance( regionExpire );

        System.out.println( "BEFORE PUT \n" + jcsExpire.getStats() );

        // Add items to cache

        for ( int i = 0; i <= items; i++ )
        {
            jcsExpire.put( i + ":key", regionExpire + " data " + i );
        }

        System.out.println( jcsExpire.getStats() );

        // the shrinker is supposed to run every second
        SleepUtil.sleepAtLeast( 3000 );

        System.out.println( jcsExpire.getStats() );

        // Test that all items have been removed from the cache
        for ( int i = 0; i <= items; i++ )
        {
            assertNull( "Removed key should be null: " + i + ":key", jcsExpire.get( i + ":key" ) );
        }
    }
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        throws CacheException, InterruptedException
    {
        String region = "expire100Second";
        int items = 200;

        JCS jcs = JCS.getInstance( region );

        System.out.println( "BEFORE PUT \n" + jcs.getStats() );

        // Add items to cache

        for ( int i = 0; i <= items; i++ )
        {
            jcs.put( i + ":key", region + " data " + i );
        }

        System.out.println( jcs.getStats() );

        SleepUtil.sleepAtLeast( 1000 );

        System.out.println( jcs.getStats() );

        // Test that all items are in cache

        for ( int i = 0; i <= items; i++ )
        {
            String value = (String) jcs.get( i + ":key" );

            assertEquals( "key = [" + i + ":key] value = [" + value + "]", region + " data " + i, value );
        }

        // Remove all the items

        for ( int i = 0; i <= items; i++ )
        {
            jcs.remove( i + ":key" );
        }

        // Verify removal

        for ( int i = 0; i <= items; i++ )
        {
            assertNull( "Removed key should be null: " + i + ":key", jcs.get( i + ":key" ) );
        }
    }
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        System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_DISK_DIR", "system_set" );
        System.getProperties().setProperty( "MY_SYSTEM_PROPERTY_MAX_SIZE", String.valueOf( maxMemory ) );

        JCS.setConfigFilename( "/TestSystemProperties.ccf" );

        JCS cache = JCS.getInstance( "test1" );
        assertEquals( "We should have used the system property for the memory size", maxMemory, cache
            .getCacheAttributes().getMaxObjects() );

    }
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