Examples of org.apache.activemq.transport.discovery.DiscoveryListener

Package org.apache.activemq.transport.discovery

Examples of org.apache.activemq.transport.discovery.DiscoveryListener

org.apache.activemq.transport.discovery.DiscoveryListener
A listener of services being added or removed from a network @version $Revision$

            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            executor.execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceRemove(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            executor.execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceAdd(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            executor.execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceRemove(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            executor.execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceAdd(event);
                    }
                }
            });
        }
    }

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                doRegister(service);
            }
        }
        
        // Find new registered services...
        DiscoveryListener discoveryListener = this.discoveryListener.get();
        if(discoveryListener!=null) {
            Set<String> activeServices = doLookup(updateInterval*3);
            // If there is error talking the the central server, then activeServices == null
            if( activeServices !=null ) {
                synchronized(discoveredServices) {
                    
                    HashSet<String> removedServices = new HashSet<String>(discoveredServices.keySet());
                    removedServices.removeAll(activeServices);
                    
                    HashSet<String> addedServices = new HashSet<String>(activeServices);
                    addedServices.removeAll(discoveredServices.keySet());
                    addedServices.removeAll(removedServices);
                    
                    for (String service : addedServices) {
                        SimpleDiscoveryEvent e = new SimpleDiscoveryEvent(service);
                        discoveredServices.put(service, e);
                        discoveryListener.onServiceAdd(e);
                    }
                    
                    for (String service : removedServices) {
                      SimpleDiscoveryEvent e = discoveredServices.remove(service);
                      if( e !=null ) {
                        e.removed.set(true);
                      }
                        discoveryListener.onServiceRemove(e);
                    }
                }
            }
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            getExecutor().execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceRemove(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            getExecutor().execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceAdd(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            getExecutor().execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceRemove(event);
                    }
                }
            });
        }
    }

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            // Have the listener process the event async so that
            // he does not block this thread since we are doing time sensitive
            // processing of events.
            getExecutor().execute(new Runnable() {
                public void run() {
                    DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                    if (discoveryListener != null) {
                        discoveryListener.onServiceAdd(event);
                    }
                }
            });
        }
    }

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                    // Have the listener process the event async so that 
                    // he does not block this thread since we are doing time sensitive
                    // processing of events.
                    executor.execute(new Runnable() {
                        public void run() {
                            DiscoveryListener discoveryListener = MulticastDiscoveryAgent.this.discoveryListener;
                            if(discoveryListener!=null){
                                discoveryListener.onServiceAdd(event);
                            }
                        }
                    });
                }
                lastKeepAlive=new AtomicLong(System.currentTimeMillis());

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