Examples with CacheManager com.swiftmq.impl.store.standard.cache.CacheManager used on opensource projects

Example 1 with CacheManager

use of com.swiftmq.impl.store.standard.cache.CacheManager in project swiftmq-ce by iitsoftware.

the class StoreSwiftletImpl method startup.

protected void startup(Configuration config) throws SwiftletException {
    try {
        ctx = new StoreContext(this, config);
        ctx.swapFileFactory = createSwapFileFactory();
        ctx.swapPath = SwiftUtilities.addWorkingDir((String) ctx.swapEntity.getProperty("path").getValue());
        swapMaxLength = ((Long) ctx.swapEntity.getProperty("roll-over-size").getValue()).longValue();
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace("sys$store", "startup...");
        ctx.durableStore = createDurableSubscriberStore(ctx, SwiftUtilities.addWorkingDir((String) ctx.durableEntity.getProperty("path").getValue()));
        deleteSwaps();
        ctx.recoveryManager = new RecoveryManager(ctx);
        ctx.stableStore = createStableStore(ctx, SwiftUtilities.addWorkingDir((String) ctx.dbEntity.getProperty("path").getValue()), ((Integer) ctx.dbEntity.getProperty("initial-page-size").getValue()).intValue());
        Property minCacheSizeProp = ctx.cacheEntity.getProperty("min-size");
        Property maxCacheSizeProp = ctx.cacheEntity.getProperty("max-size");
        int minCacheSize = ((Integer) minCacheSizeProp.getValue()).intValue();
        int maxCacheSize = ((Integer) maxCacheSizeProp.getValue()).intValue();
        if (minCacheSize > maxCacheSize)
            throw new Exception("Cache/min-size is invalid, must be less than max-size!");
        minCacheSizeProp.setPropertyChangeListener(new PropertyChangeAdapter(null) {

            public void propertyChanged(Property property, Object oldValue, Object newValue) throws PropertyChangeException {
                int n = ((Integer) newValue).intValue();
                if (n > ((Integer) ctx.cacheEntity.getProperty("max-size").getValue()).intValue())
                    throw new PropertyChangeException("min-size is invalid, must be less than max-size!");
            }
        });
        maxCacheSizeProp.setPropertyChangeListener(new PropertyChangeAdapter(null) {

            public void propertyChanged(Property property, Object oldValue, Object newValue) throws PropertyChangeException {
                int n = ((Integer) newValue).intValue();
                if (n < ((Integer) ctx.cacheEntity.getProperty("min-size").getValue()).intValue())
                    throw new PropertyChangeException("max-size is invalid, must be greater than min-size!");
            }
        });
        // ctx.preparedLog = new PreparedLogFile(ctx, SwiftUtilities.addWorkingDir((String) ctx.xaEntity.getProperty("path").getValue()),
        // ((Boolean) ctx.xaEntity.getProperty("force-sync").getValue()).booleanValue());
        ctx.cacheManager = new CacheManager(ctx, ctx.stableStore, minCacheSize, maxCacheSize);
        ctx.transactionManager = new TransactionManager(ctx);
        ctx.logManager = createLogManagerFactory().createLogManager(ctx, ctx.transactionManager, SwiftUtilities.addWorkingDir((String) ctx.txEntity.getProperty("path").getValue()), ((Long) ctx.txEntity.getProperty("checkpoint-size").getValue()).longValue(), ((Boolean) ctx.txEntity.getProperty("force-sync").getValue()).booleanValue());
        ctx.recoveryManager.restart(isRecoverOnStartup());
        rootIndex = new RootIndex(ctx, 0);
        ctx.preparedLog = new PreparedLogQueue(ctx, rootIndex.getQueueIndex(PREPARED_LOG_QUEUE));
        ctx.backupProcessor = new BackupProcessor(ctx);
        checkBackupPath();
        ctx.shrinkProcessor = new ShrinkProcessor(ctx);
        CommandRegistry commandRegistry = ctx.dbEntity.getCommandRegistry();
        CommandExecutor shrinkExecutor = new CommandExecutor() {

            public String[] execute(String[] context, Entity entity, String[] cmd) {
                if (cmd.length != 1)
                    return new String[] { TreeCommands.ERROR, "Invalid command, please try 'shrink'" };
                Semaphore sem = new Semaphore();
                StartShrink po = new StartShrink(sem);
                ctx.shrinkProcessor.enqueue(po);
                sem.waitHere();
                String[] result = null;
                if (po.isSuccess())
                    result = new String[] { TreeCommands.INFO, "Shrink initiated." };
                else
                    result = new String[] { TreeCommands.ERROR, po.getException() };
                return result;
            }
        };
        Command backupCommand = new Command("shrink", "shrink", "Perform Shrink Now", true, shrinkExecutor, true, false);
        commandRegistry.addCommand(backupCommand);
        SwiftletManager.getInstance().addSwiftletManagerListener("sys$scheduler", new SwiftletManagerAdapter() {

            public void swiftletStarted(SwiftletManagerEvent event) {
                ctx.schedulerSwiftlet = (SchedulerSwiftlet) SwiftletManager.getInstance().getSwiftlet("sys$scheduler");
                jobRegistrar = new JobRegistrar(ctx);
                jobRegistrar.register();
            }

            public void swiftletStopInitiated(SwiftletManagerEvent event) {
                jobRegistrar.unregister();
            }
        });
        if (ctx.traceSpace.enabled)
            ctx.traceSpace.trace("sys$store", "startup...done");
    } catch (Exception e) {
        e.printStackTrace();
        throw new SwiftletException(e.getMessage());
    }
}