Examples of com.sun.appserv.ha.spi.BackingStoreFactory

com.sun.appserv.ha.spi.BackingStoreFactory

A factory for creating BackingStore(s). Every provider must provide an implementation of this interface.

The createBackingStore(env) method is called typically during container creation time. A store instance is typically used to store state for a single container whose id is passed (as appId) to createStore() method.

The createBatchBackingStore() method will be called whenever the container decides to save a set of states that belong different applications. Thus the store returned by createBatchBackingStore method is different from createBackingStore in that the data passed in the collection may potentially be from different containers/applications.

Any runtime exception thrown from createBackingStore and createBatchBackingStore method will cause the container to use a default persistence-type (typically no replication) and a log message will be logged at WARNING level.

Both BackingStore and BatchBackingStore must be thread safe. @see BackingStoreRegistry

    /**
     * create and set the backing store
     * @param commandMap map used to translate commands
     */     
    BackingStore createBackingStore(Map commandMap, String sipType) {
        BackingStoreFactory storeFactory = new JxtaBackingStoreFactory();
        BackingStoreRegistry backingStoreRegistry 
            = BackingStoreRegistry.getInstance();
        Properties inputEnv 
            = backingStoreRegistry.getFactoryClassEnv(getPassedInPersistenceType());
        Properties env = (Properties)inputEnv.clone();        
        //does this manager & backing store support duplicate id semantics
        //for batch replication usage
        env.put(DUPLICATE_IDS_SEMANTICS_PROPERTY, Boolean.valueOf(this.isDuplicateIdsSemanticsAllowed()));
        env.put(COMMAND_MAP, commandMap);
        if(sipType != null && (sipType.equals(SIP_TYPE_SAS) || sipType.equals(SIP_TYPE_SS) || sipType.equals(SIP_TYPE_ST))) {
            env.put(SUPPRESS_LOAD_ACK_PROPERTY, Boolean.TRUE);
        }
        //does this manager & backing store support replication compression
        env.put(REPLICATION_COMPRESSION_PROPERTY, Boolean.valueOf(this.isReplicationCompressionEnabled()));
        env.put(SESSION_MANAGER_PROPERTY, this);
        BackingStore backingStore = null;
        try {
            backingStore = storeFactory.createBackingStore(
                        this.getApplicationId(), //appid
                        String.class,
                        SimpleMetadata.class,     //type
                        env);
        } catch (BackingStoreException ex) {

Examples of com.sun.appserv.ha.spi.BackingStoreFactory

Related Classes of com.sun.appserv.ha.spi.BackingStoreFactory