org.apache.catalina.tribes.tipis.LazyReplicatedMap Java Examples

/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * Starts the cluster communication channel, this will connect with the
 * other nodes in the cluster, and request the current session state to be
 * transferred to this node.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    try {
        if (cluster == null) throw new LifecycleException(sm.getString("backupManager.noCluster", getName()));
        LazyReplicatedMap<String,Session> map = new LazyReplicatedMap<>(
                this, cluster.getChannel(), rpcTimeout, getMapName(),
                getClassLoaders(), terminateOnStartFailure);
        map.setChannelSendOptions(mapSendOptions);
        map.setAccessTimeout(accessTimeout);
        this.sessions = map;
    }  catch ( Exception x ) {
        log.error(sm.getString("backupManager.startUnable", getName()),x);
        throw new LifecycleException(sm.getString("backupManager.startFailed", getName()),x);
    }
    setState(LifecycleState.STARTING);
}
 

/**
 * Create the GUI and show it.  For thread safety,
 * this method should be invoked from the
 * event-dispatching thread.
 */
public static SimpleTableDemo createAndShowGUI(
        LazyReplicatedMap<String,StringBuilder> map, String title) {
    //Make sure we have nice window decorations.
    JFrame.setDefaultLookAndFeelDecorated(true);

    //Create and set up the window.
    JFrame frame = new JFrame("SimpleTableDemo - "+title);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Create and set up the content pane.
    SimpleTableDemo newContentPane = new SimpleTableDemo(map);
    newContentPane.setOpaque(true); //content panes must be opaque
    frame.setContentPane(newContentPane);

    //Display the window.
    frame.setSize(450,250);
    newContentPane.setSize(450,300);
    frame.pack();
    frame.setVisible(true);
    return newContentPane;
}
 

@Override
public Object getValueAt(int row, int col) {
    if ( row==-1 ) {
        update();
        return "";
    }
    if ( row == 0 ) return columnNames[col];
    Object[] keys = map.keySetFull().toArray();
    String key = (String)keys [row-1];
    LazyReplicatedMap.MapEntry<String,StringBuilder> entry =
            map.getInternal(key);
    switch (col) {
        case 0: return String.valueOf(row);
        case 1: return entry.getKey();
        case 2: return entry.getValue();
        case 3: return entry.getPrimary()!=null?entry.getPrimary().getName():"null";
        case 4: return getMemberNames(entry.getBackupNodes());
        case 5: return Boolean.valueOf(entry.isPrimary());
        case 6: return Boolean.valueOf(entry.isProxy());
        case 7: return Boolean.valueOf(entry.isBackup());
        default: return "";
    }

}
 

/**
 * Stop this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * This will disconnect the cluster communication channel and stop the
 * listener thread.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void stopInternal() throws LifecycleException {

    if (log.isDebugEnabled())
        log.debug(sm.getString("backupManager.stopped", getName()));

    setState(LifecycleState.STOPPING);

    if (sessions instanceof LazyReplicatedMap) {
        LazyReplicatedMap<String,Session> map =
                (LazyReplicatedMap<String,Session>)sessions;
        map.breakdown();
    }

    super.stopInternal();
}
 

/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * Starts the cluster communication channel, this will connect with the
 * other nodes in the cluster, and request the current session state to be
 * transferred to this node.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    try {
        if (cluster == null) throw new LifecycleException(sm.getString("backupManager.noCluster", getName()));
        LazyReplicatedMap<String,Session> map =
                new LazyReplicatedMap<String,Session>(this,
                        cluster.getChannel(), rpcTimeout, getMapName(),
                        getClassLoaders(), terminateOnStartFailure);
        map.setChannelSendOptions(mapSendOptions);
        this.sessions = map;
    }  catch ( Exception x ) {
        log.error(sm.getString("backupManager.startUnable", getName()),x);
        throw new LifecycleException(sm.getString("backupManager.startFailed", getName()),x);
    }
    setState(LifecycleState.STARTING);
}
 

/**
 * Create the GUI and show it.  For thread safety,
 * this method should be invoked from the
 * event-dispatching thread.
 */
public static SimpleTableDemo createAndShowGUI(
        LazyReplicatedMap<String,StringBuilder> map, String title) {
    //Make sure we have nice window decorations.
    JFrame.setDefaultLookAndFeelDecorated(true);

    //Create and set up the window.
    JFrame frame = new JFrame("SimpleTableDemo - "+title);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Create and set up the content pane.
    SimpleTableDemo newContentPane = new SimpleTableDemo(map);
    newContentPane.setOpaque(true); //content panes must be opaque
    frame.setContentPane(newContentPane);

    //Display the window.
    frame.setSize(450,250);
    newContentPane.setSize(450,300);
    frame.pack();
    frame.setVisible(true);
    return newContentPane;
}
 

@Override
public Object getValueAt(int row, int col) {
    if ( row==-1 ) {
        update();
        return "";
    }
    if ( row == 0 ) return columnNames[col];
    Object[] keys = map.keySetFull().toArray();
    String key = (String)keys [row-1];
    LazyReplicatedMap.MapEntry<String,StringBuilder> entry =
            map.getInternal(key);
    switch (col) {
        case 0: return String.valueOf(row);
        case 1: return entry.getKey();
        case 2: return entry.getValue();
        case 3: return entry.getPrimary()!=null?entry.getPrimary().getName():"null";
        case 4: return getMemberNames(entry.getBackupNodes());
        case 5: return Boolean.valueOf(entry.isPrimary());
        case 6: return Boolean.valueOf(entry.isProxy());
        case 7: return Boolean.valueOf(entry.isBackup());
        default: return "";
    }

}
 

/**
 * Stop this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * This will disconnect the cluster communication channel and stop the
 * listener thread.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void stopInternal() throws LifecycleException {

    if (log.isDebugEnabled())
        log.debug(sm.getString("backupManager.stopped", getName()));

    setState(LifecycleState.STOPPING);

    if (sessions instanceof LazyReplicatedMap) {
        LazyReplicatedMap<String,Session> map =
                (LazyReplicatedMap<String,Session>)sessions;
        map.breakdown();
    }

    super.stopInternal();
}
 

/**
 * Start this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#startInternal()}.
 *
 * Starts the cluster communication channel, this will connect with the
 * other nodes in the cluster, and request the current session state to be
 * transferred to this node.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void startInternal() throws LifecycleException {

    super.startInternal();

    try {
        if (cluster == null) throw new LifecycleException(sm.getString("backupManager.noCluster", getName()));
        LazyReplicatedMap<String,Session> map =
                new LazyReplicatedMap<String,Session>(this,
                        cluster.getChannel(), rpcTimeout, getMapName(),
                        getClassLoaders(), terminateOnStartFailure);
        map.setChannelSendOptions(mapSendOptions);
        this.sessions = map;
    }  catch ( Exception x ) {
        log.error(sm.getString("backupManager.startUnable", getName()),x);
        throw new LifecycleException(sm.getString("backupManager.startFailed", getName()),x);
    }
    setState(LifecycleState.STARTING);
}
 

public static SimpleTableDemo createAndShowGUI(
        LazyReplicatedMap<String,StringBuilder> map, String title) {
    //Make sure we have nice window decorations.
    JFrame.setDefaultLookAndFeelDecorated(true);

    //Create and set up the window.
    JFrame frame = new JFrame("SimpleTableDemo - "+title);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    //Create and set up the content pane.
    SimpleTableDemo newContentPane = new SimpleTableDemo(map);
    newContentPane.setOpaque(true); //content panes must be opaque
    frame.setContentPane(newContentPane);

    //Display the window.
    frame.setSize(450,250);
    newContentPane.setSize(450,300);
    frame.pack();
    frame.setVisible(true);
    return newContentPane;
}
 

/**
 * Stop this component and implement the requirements
 * of {@link org.apache.catalina.util.LifecycleBase#stopInternal()}.
 *
 * This will disconnect the cluster communication channel and stop the
 * listener thread.
 *
 * @exception LifecycleException if this component detects a fatal error
 *  that prevents this component from being used
 */
@Override
protected synchronized void stopInternal() throws LifecycleException {

    if (log.isDebugEnabled())
        log.debug(sm.getString("backupManager.stopped", getName()));

    setState(LifecycleState.STOPPING);

    if (sessions instanceof LazyReplicatedMap) {
        LazyReplicatedMap<String,Session> map =
                (LazyReplicatedMap<String,Session>)sessions;
        map.breakdown();
    }

    super.stopInternal();
}
 

@Override
public Object getValueAt(int row, int col) {
    if ( row==-1 ) {
        update();
        return "";
    }
    if ( row == 0 ) return columnNames[col];
    Object[] keys = map.keySetFull().toArray();
    String key = (String)keys [row-1];
    LazyReplicatedMap.MapEntry<String,StringBuilder> entry =
            map.getInternal(key);
    switch (col) {
        case 0: return String.valueOf(row);
        case 1: return entry.getKey();
        case 2: return entry.getValue();
        case 3: return entry.getPrimary()!=null?entry.getPrimary().getName():"null";
        case 4: return getMemberNames(entry.getBackupNodes());
        case 5: return Boolean.valueOf(entry.isPrimary());
        case 6: return Boolean.valueOf(entry.isProxy());
        case 7: return Boolean.valueOf(entry.isBackup());
        default: return "";
    }

}
 

@Override
public ClusterMessage requestCompleted(String sessionId) {
    if (!getState().isAvailable()) return null;
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    map.replicate(sessionId,false);
    return null;
}
 

@Override
public ClusterMessage requestCompleted(String sessionId) {
    if (!getState().isAvailable()) return null;
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    map.replicate(sessionId,false);
    return null;
}
 

/**
 * Constructs a map demo object.
 * @param channel - the Tribes channel object to be used for communication
 * @param mapName - the name of this map
 */
public MapDemo(Channel channel, String mapName ) {
    //instantiate the replicated map
    map = new LazyReplicatedMap<String,StringBuilder>(null, channel, 5000,
            mapName, null);
    //create a gui, name it with the member name of this JVM
    table = SimpleTableDemo.createAndShowGUI(map,channel.getLocalMember(false).getName());
    //add ourself as a listener for messages
    channel.addChannelListener(this);
    //add ourself as a listener for memberships
    channel.addMembershipListener(this);
    //initialize the map by receiving a fake message
    this.messageReceived(null,null);
}
 

@Override
public Set<String> getSessionIdsFull() {
    Set<String> sessionIds = new HashSet<String>();
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    Iterator<String> keys = map.keySetFull().iterator();
    while (keys.hasNext()) {
        sessionIds.add(keys.next());
    }
    return sessionIds;
}
 

@Override
public Set<String> getSessionIdsFull() {
    Set<String> sessionIds = new HashSet<>();
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    for (String id : map.keySetFull()) {
        sessionIds.add(id);
    }
    return sessionIds;
}
 

@Override
public ClusterMessage requestCompleted(String sessionId) {
    if (!getState().isAvailable()) return null;
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    map.replicate(sessionId,false);
    return null;
}
 

/**
 * Constructs a map demo object.
 * @param channel - the Tribes channel object to be used for communication
 * @param mapName - the name of this map
 */
public MapDemo(Channel channel, String mapName ) {
    //instantiate the replicated map
    map = new LazyReplicatedMap<>(null, channel, 5000, mapName, null);
    //create a gui, name it with the member name of this JVM
    table = SimpleTableDemo.createAndShowGUI(map,channel.getLocalMember(false).getName());
    //add ourself as a listener for messages
    channel.addChannelListener(this);
    //add ourself as a listener for memberships
    channel.addMembershipListener(this);
    //initialize the map by receiving a fake message
    this.messageReceived(null,null);
}
 

/**
 * Constructs a map demo object.
 * @param channel - the Tribes channel object to be used for communication
 * @param mapName - the name of this map
 */
public MapDemo(Channel channel, String mapName ) {
    //instantiate the replicated map
    map = new LazyReplicatedMap<String,StringBuilder>(null, channel, 5000,
            mapName, null);
    //create a gui, name it with the member name of this JVM
    table = SimpleTableDemo.createAndShowGUI(map,channel.getLocalMember(false).getName());
    //add ourself as a listener for messages
    channel.addChannelListener(this);
    //add ourself as a listener for memberships
    channel.addMembershipListener(this);
    //initialize the map by receiving a fake message
    this.messageReceived(null,null);
}
 

@Override
public Set<String> getSessionIdsFull() {
    Set<String> sessionIds = new HashSet<String>();
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    Iterator<String> keys = map.keySetFull().iterator();
    while (keys.hasNext()) {
        sessionIds.add(keys.next());
    }
    return sessionIds;
}
 

public SimpleTableDemo(LazyReplicatedMap<String,StringBuilder> map) {
    super();
    this.map = map;

    this.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);

    //final JTable table = new JTable(data, columnNames);
    table = new JTable(dataModel);

    table.setPreferredScrollableViewportSize(new Dimension(WIDTH, 150));
    for ( int i=0; i<table.getColumnCount(); i++ ) {
        TableColumn tm = table.getColumnModel().getColumn(i);
        tm.setCellRenderer(new ColorRenderer());
    }


    if (DEBUG) {
        table.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                printDebugData(table);
            }
        });
    }

    //setLayout(new GridLayout(5, 0));
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    //Create the scroll pane and add the table to it.
    JScrollPane scrollPane = new JScrollPane(table);

    //Add the scroll pane to this panel.
    add(scrollPane);

    //create a add value button
    JPanel addpanel = new JPanel();
    addpanel.setPreferredSize(new Dimension(WIDTH,30));
    addpanel.add(createButton("Add","add"));
    addpanel.add(txtAddKey);
    addpanel.add(txtAddValue);
    addpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(addpanel);

    //create a remove value button
    JPanel removepanel = new JPanel( );
    removepanel.setPreferredSize(new Dimension(WIDTH,30));
    removepanel.add(createButton("Remove","remove"));
    removepanel.add(txtRemoveKey);
    removepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(removepanel);

    //create a change value button
    JPanel changepanel = new JPanel( );
    changepanel.add(createButton("Change","change"));
    changepanel.add(txtChangeKey);
    changepanel.add(txtChangeValue);
    changepanel.setPreferredSize(new Dimension(WIDTH,30));
    changepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(changepanel);


    //create sync button
    JPanel syncpanel = new JPanel( );
    syncpanel.add(createButton("Synchronize","sync"));
    syncpanel.add(createButton("Replicate","replicate"));
    syncpanel.add(createButton("Random","random"));
    syncpanel.setPreferredSize(new Dimension(WIDTH,30));
    syncpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(syncpanel);


}
 

@Override
public int getActiveSessionsFull() {
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    return map.sizeFull();
}
 

@Override
public int getActiveSessionsFull() {
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    return map.sizeFull();
}
 

@Override
public int getActiveSessionsFull() {
    LazyReplicatedMap<String,Session> map =
            (LazyReplicatedMap<String,Session>)sessions;
    return map.sizeFull();
}
 

public SimpleTableDemo(LazyReplicatedMap<String,StringBuilder> map) {
    super();
    this.map = map;

    this.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);

    //final JTable table = new JTable(data, columnNames);
    table = new JTable(dataModel);

    table.setPreferredScrollableViewportSize(new Dimension(WIDTH, 150));
    for ( int i=0; i<table.getColumnCount(); i++ ) {
        TableColumn tm = table.getColumnModel().getColumn(i);
        tm.setCellRenderer(new ColorRenderer());
    }


    if (DEBUG) {
        table.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                printDebugData(table);
            }
        });
    }

    //setLayout(new GridLayout(5, 0));
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    //Create the scroll pane and add the table to it.
    JScrollPane scrollPane = new JScrollPane(table);

    //Add the scroll pane to this panel.
    add(scrollPane);

    //create a add value button
    JPanel addpanel = new JPanel();
    addpanel.setPreferredSize(new Dimension(WIDTH,30));
    addpanel.add(createButton("Add","add"));
    addpanel.add(txtAddKey);
    addpanel.add(txtAddValue);
    addpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(addpanel);

    //create a remove value button
    JPanel removepanel = new JPanel( );
    removepanel.setPreferredSize(new Dimension(WIDTH,30));
    removepanel.add(createButton("Remove","remove"));
    removepanel.add(txtRemoveKey);
    removepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(removepanel);

    //create a change value button
    JPanel changepanel = new JPanel( );
    changepanel.add(createButton("Change","change"));
    changepanel.add(txtChangeKey);
    changepanel.add(txtChangeValue);
    changepanel.setPreferredSize(new Dimension(WIDTH,30));
    changepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(changepanel);


    //create sync button
    JPanel syncpanel = new JPanel( );
    syncpanel.add(createButton("Synchronize","sync"));
    syncpanel.add(createButton("Replicate","replicate"));
    syncpanel.add(createButton("Random","random"));
    syncpanel.setPreferredSize(new Dimension(WIDTH,30));
    syncpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(syncpanel);


}
 

public SimpleTableDemo(LazyReplicatedMap<String,StringBuilder> map) {
    super();
    this.map = map;

    this.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);

    //final JTable table = new JTable(data, columnNames);
    table = new JTable(dataModel);

    table.setPreferredScrollableViewportSize(new Dimension(WIDTH, 150));
    for ( int i=0; i<table.getColumnCount(); i++ ) {
        TableColumn tm = table.getColumnModel().getColumn(i);
        tm.setCellRenderer(new ColorRenderer());
    }


    if (DEBUG) {
        table.addMouseListener(new MouseAdapter() {
            @Override
            public void mouseClicked(MouseEvent e) {
                printDebugData(table);
            }
        });
    }

    //setLayout(new GridLayout(5, 0));
    setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    //Create the scroll pane and add the table to it.
    JScrollPane scrollPane = new JScrollPane(table);

    //Add the scroll pane to this panel.
    add(scrollPane);

    //create a add value button
    JPanel addpanel = new JPanel();
    addpanel.setPreferredSize(new Dimension(WIDTH,30));
    addpanel.add(createButton("Add","add"));
    addpanel.add(txtAddKey);
    addpanel.add(txtAddValue);
    addpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(addpanel);

    //create a remove value button
    JPanel removepanel = new JPanel( );
    removepanel.setPreferredSize(new Dimension(WIDTH,30));
    removepanel.add(createButton("Remove","remove"));
    removepanel.add(txtRemoveKey);
    removepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(removepanel);

    //create a change value button
    JPanel changepanel = new JPanel( );
    changepanel.add(createButton("Change","change"));
    changepanel.add(txtChangeKey);
    changepanel.add(txtChangeValue);
    changepanel.setPreferredSize(new Dimension(WIDTH,30));
    changepanel.setMaximumSize(new Dimension(WIDTH,30));
    add(changepanel);


    //create sync button
    JPanel syncpanel = new JPanel( );
    syncpanel.add(createButton("Synchronize","sync"));
    syncpanel.add(createButton("Replicate","replicate"));
    syncpanel.add(createButton("Random","random"));
    syncpanel.setPreferredSize(new Dimension(WIDTH,30));
    syncpanel.setMaximumSize(new Dimension(WIDTH,30));
    add(syncpanel);


}