Package org.jgroups.util

Examples of org.jgroups.util.MessageBatch$Visitor

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            String fork_stack_id=entry.getKey();
            List<Message> list=entry.getValue();
            Protocol bottom_prot=get(fork_stack_id);
            if(bottom_prot == null)
                continue;
            MessageBatch mb=new MessageBatch(batch.dest(), batch.sender(), batch.clusterName(), batch.multicast(), list);
            try {
                bottom_prot.up(mb);
            }
            catch(Throwable t) {
                log.error("failed passing up batch", t);
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        public void run() {
            List<MessageBatch> batches=new ArrayList<MessageBatch>();

            synchronized(oob_map_mcast) {
                for(Map.Entry<Address,List<Message>> entry: oob_map_mcast.entrySet()) {
                    MessageBatch batch=new MessageBatch(null, entry.getKey(), cluster_name, true, entry.getValue()).mode(MessageBatch.Mode.OOB);
                    batches.add(batch);
                }
                oob_map_mcast.clear();
            }

            synchronized(oob_map_ucast) {
                for(Map.Entry<Address,List<Message>> entry: oob_map_ucast.entrySet()) {
                    MessageBatch batch=new MessageBatch(local_addr, entry.getKey(), cluster_name, false, entry.getValue()).mode(MessageBatch.Mode.OOB);
                    batches.add(batch);
                }
                oob_map_ucast.clear();
            }

            synchronized(reg_map_mcast) {
                for(Map.Entry<Address,List<Message>> entry: reg_map_mcast.entrySet()) {
                    MessageBatch batch=new MessageBatch(null, entry.getKey(), cluster_name, true, entry.getValue()).mode(MessageBatch.Mode.REG);
                    batches.add(batch);
                }
                reg_map_mcast.clear();
            }

            synchronized(reg_map_ucast) {
                for(Map.Entry<Address,List<Message>> entry: reg_map_ucast.entrySet()) {
                    MessageBatch batch=new MessageBatch(local_addr, entry.getKey(), cluster_name, false, entry.getValue()).mode(MessageBatch.Mode.REG);
                    batches.add(batch);
                }
                reg_map_ucast.clear();
            }

            for(MessageBatch batch: batches) {
                if(!batch.isEmpty()) {
                    // if(UUID.get(batch.sender()).equals("A"))
                       // System.out.println("**** sending up batch " + batch + ", hdrs: " + batch.printHeaders());
                    up_prot.up(batch);
                }
            }
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        boolean released_processing=false;
        try {
            while(true) {
                List<Message> list=win.removeMany(processing, true, max_msg_batch_size);
                if(list != null) // list is guaranteed to NOT contain any OOB messages as the drop_oob_msgs_filter removed them
                    deliverBatch(new MessageBatch(local_addr, sender, null, false, list));
                else {
                    released_processing=true;
                    return;
                }
            }
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            JChannel fork_channel=get(fork_channel_id);
            if(fork_channel == null) {
                log.warn("fork-channel for id=%s not found; discarding message", fork_channel_id);
                continue;
            }
            MessageBatch mb=new MessageBatch(batch.dest(), batch.sender(), batch.clusterName(), batch.multicast(), list);
            try {
                fork_channel.up(mb);
            }
            catch(Throwable t) {
                log.error("failed passing up batch", t);
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    public void testCopyConstructor() {
        List<Message> msgs=createMessages();
        MessageBatch batch=new MessageBatch(msgs);
        System.out.println("batch = " + batch);
        assert batch.size() == msgs.size() : "batch: " + batch;
        remove(batch, 3, 6, 10);
        System.out.println("batch = " + batch);
        assert batch.size() == msgs.size() -3 : "batch: " + batch;
    }
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        System.out.println("batch = " + batch);
        assert batch.size() == msgs.size() -3 : "batch: " + batch;
    }

    public void testCapacityConstructor() {
        MessageBatch batch=new MessageBatch(3);
        assert batch.isEmpty();
    }
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    public void testCreationWithFilter() {
        List<Message> msgs=new ArrayList<Message>(10);
        for(int i=1; i <= 10; i++)
            msgs.add(new Message(null, i));
        MessageBatch batch=new MessageBatch(null, null, null, true, msgs, new Filter<Message>() {
            public boolean accept(Message msg) {
                return msg != null && ((Integer)msg.getObject()) % 2 == 0; // only even numbers are accepted
            }
        });
        System.out.println(batch.map(print_numbers));
        assert batch.size() == 5;
        for(Message msg: batch)
            assert ((Integer)msg.getObject()) % 2 == 0;
    }
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                    msg.setTransientFlag(Message.TransientFlag.OOB_DELIVERED);
            }
            msgs.add(msg);
        }

        MessageBatch batch=new MessageBatch(null, null, null, true, msgs, new Filter<Message>() {
            public boolean accept(Message msg) {
                return msg != null && (!msg.isFlagSet(Message.Flag.OOB) || msg.setTransientFlagIfAbsent(Message.TransientFlag.OOB_DELIVERED));
                // return msg != null && !(msg.isFlagSet(Message.Flag.OOB) && !msg.setTransientFlagIfAbsent(Message.TransientFlag.OOB_DELIVERED));
            }
        });

        System.out.println("batch = " + batch.map(print_numbers));
        assert batch.size() == 15;
        for(Message msg: batch) {
            int num=(Integer)msg.getObject();
            if(num <= 10)
                assert msg.isTransientFlagSet(Message.TransientFlag.OOB_DELIVERED);
        }
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        }
    }


    public void testIsEmpty() {
        MessageBatch batch=new MessageBatch(3).add(new Message()).add(new Message()).add(new Message());
        assert !batch.isEmpty();
        for(Iterator<Message> it=batch.iterator(); it.hasNext();) {
            it.next();
            it.remove();
        }

        set(batch, 2, new Message());
        assert !batch.isEmpty();
    }
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        assert !batch.isEmpty();
    }

    public void testIsEmpty2() {
        List<Message> msgs=createMessages();
        MessageBatch batch=new MessageBatch(msgs);
        batch.add(new Message());
        assert !batch.isEmpty();
        batch.clear();
        assert batch.isEmpty();
        for(Message msg: msgs)
            batch.add(msg);
        System.out.println("batch = " + batch);
        for(Iterator<Message> it=batch.iterator(); it.hasNext();) {
            it.next();
            it.remove();
        }
        System.out.println("batch = " + batch);
        assert batch.isEmpty();
    }
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