org.apache.catalina.tribes.membership.Membership Java Examples

The following examples show how to use org.apache.catalina.tribes.membership.Membership. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up 
protected void handleViewConf(CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( viewId != null && msg.getId().equals(viewId) ) return;//we already have this view
    view = new Membership((MemberImpl)getLocalMember(false),AbsoluteOrder.comp,true);
    Arrays.fill(view,msg.getMembers());
    viewId = msg.getId();
    
    if ( viewId.equals(suggestedviewId) ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    if (suggestedView != null && AbsoluteOrder.comp.compare(suggestedView.getMembers()[0],merged.getMembers()[0])<0 ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    viewChange(viewId,view.getMembers());
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_CONF_RX,this,"Accepted View"));
    
    if ( suggestedviewId == null && hasHigherPriority(merged.getMembers(),membership.getMembers()) ) {
        startElection(false);
    }
}
Example #2
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up 
protected void handleMyToken(Member local, CoordinationMessage msg, Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //no leadership change
        if ( Arrays.sameMembers(msg.getMembers(),merged.getMembers()) ) {
            msg.type = COORD_CONF;
            super.sendMessage(Arrays.remove(msg.getMembers(),local),createData(msg,local),null);
            handleViewConf(msg, merged);
        } else {
            //membership change
            suggestedView = new Membership(local,AbsoluteOrder.comp,true);
            suggestedviewId = msg.getId();
            Arrays.fill(suggestedView,merged.getMembers());
            msg.view = merged.getMembers();
            sendElectionMsgToNextInline(local,msg);
        }
    } else {
        //leadership change
        suggestedView = null;
        suggestedviewId = null;
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #3
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 6 votes vote down vote up 
protected void handleMyToken(MemberImpl local, CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //no leadership change
        if ( Arrays.sameMembers(msg.getMembers(),merged.getMembers()) ) {
            msg.type = COORD_CONF;
            super.sendMessage(Arrays.remove(msg.getMembers(),local),createData(msg,local),null);
            handleViewConf(msg,local,merged);
        } else {
            //membership change
            suggestedView = new Membership(local,AbsoluteOrder.comp,true);
            suggestedviewId = msg.getId();
            Arrays.fill(suggestedView,merged.getMembers());
            msg.view = merged.getMembers();
            sendElectionMsgToNextInline(local,msg);
        }
    } else {
        //leadership change
        suggestedView = null;
        suggestedviewId = null;
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #4
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 6 votes vote down vote up 
protected void handleViewConf(CoordinationMessage msg, Membership merged) throws ChannelException {
    if ( viewId != null && msg.getId().equals(viewId) ) return;//we already have this view
    view = new Membership(getLocalMember(false),AbsoluteOrder.comp,true);
    Arrays.fill(view,msg.getMembers());
    viewId = msg.getId();

    if ( viewId.equals(suggestedviewId) ) {
        suggestedView = null;
        suggestedviewId = null;
    }

    if (suggestedView != null && AbsoluteOrder.comp.compare(suggestedView.getMembers()[0],merged.getMembers()[0])<0 ) {
        suggestedView = null;
        suggestedviewId = null;
    }

    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_CONF_RX,this,"Accepted View"));

    if ( suggestedviewId == null && hasHigherPriority(merged.getMembers(),membership.getMembers()) ) {
        startElection(false);
    }
}
Example #5
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up 
protected void handleViewConf(CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( viewId != null && msg.getId().equals(viewId) ) return;//we already have this view
    view = new Membership((MemberImpl)getLocalMember(false),AbsoluteOrder.comp,true);
    Arrays.fill(view,msg.getMembers());
    viewId = msg.getId();
    
    if ( viewId.equals(suggestedviewId) ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    if (suggestedView != null && AbsoluteOrder.comp.compare(suggestedView.getMembers()[0],merged.getMembers()[0])<0 ) {
        suggestedView = null;
        suggestedviewId = null;
    }
    
    viewChange(viewId,view.getMembers());
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_CONF_RX,this,"Accepted View"));
    
    if ( suggestedviewId == null && hasHigherPriority(merged.getMembers(),membership.getMembers()) ) {
        startElection(false);
    }
}
Example #6
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 6 votes vote down vote up 
protected void handleMyToken(MemberImpl local, CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //no leadership change
        if ( Arrays.sameMembers(msg.getMembers(),merged.getMembers()) ) {
            msg.type = COORD_CONF;
            super.sendMessage(Arrays.remove(msg.getMembers(),local),createData(msg,local),null);
            handleViewConf(msg,local,merged);
        } else {
            //membership change
            suggestedView = new Membership(local,AbsoluteOrder.comp,true);
            suggestedviewId = msg.getId();
            Arrays.fill(suggestedView,merged.getMembers());
            msg.view = merged.getMembers();
            sendElectionMsgToNextInline(local,msg);
        }
    } else {
        //leadership change
        suggestedView = null;
        suggestedviewId = null;
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #7
Source File: Arrays.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
public static Member[] diff(Membership complete, Membership local, MemberImpl ignore) {
    ArrayList<Member> result = new ArrayList<Member>();
    MemberImpl[] comp = complete.getMembers();
    for ( int i=0; i<comp.length; i++ ) {
        if ( ignore!=null && ignore.equals(comp[i]) ) continue;
        if ( local.getMember(comp[i]) == null ) result.add(comp[i]);
    }
    return result.toArray(new MemberImpl[result.size()]);
}
Example #8
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
private CoordinationMessage createElectionMsg(Member local, Member[] others, Member leader) {
    Membership m = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(m,others);
    Member[] mbrs = m.getMembers();
    m.reset();
    CoordinationMessage msg = new CoordinationMessage(leader, local, mbrs,new UniqueId(UUIDGenerator.randomUUID(true)), COORD_REQUEST);
    return msg;
}
Example #9
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
protected void handleOtherToken(MemberImpl local, CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //I am the new leader
        //startElection(false);
    } else {
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #10
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
protected void handleToken(CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    MemberImpl local = (MemberImpl)getLocalMember(false);
    if ( local.equals(msg.getSource()) ) {
        //my message msg.src=local
        handleMyToken(local, msg, sender,merged);
    } else {
        handleOtherToken(local, msg, sender,merged);
    }
}
Example #11
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
protected void processCoordMessage(CoordinationMessage msg, Member sender) throws ChannelException {
    if ( !coordMsgReceived.get() ) {
        coordMsgReceived.set(true);
        synchronized (electionMutex) { electionMutex.notifyAll();}
    } 
    msg.timestamp = System.currentTimeMillis();
    Membership merged = mergeOnArrive(msg, sender);
    if (isViewConf(msg)) handleViewConf(msg, sender, merged);
    else handleToken(msg, sender, merged);
}
Example #12
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
protected Membership mergeOnArrive(CoordinationMessage msg, Member sender) {
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_PRE_MERGE,this,"Pre merge"));
    MemberImpl local = (MemberImpl)getLocalMember(false);
    Membership merged = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(merged,msg.getMembers());
    Arrays.fill(merged,getMembers());
    Member[] diff = Arrays.diff(merged,membership,local);
    for ( int i=0; i<diff.length; i++ ) {
        if (!alive(diff[i])) merged.removeMember((MemberImpl)diff[i]);
        else memberAdded(diff[i],false);
    }
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_POST_MERGE,this,"Post merge"));
    return merged;
}
Example #13
Source File: NonBlockingCoordinator.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
private CoordinationMessage createElectionMsg(MemberImpl local, MemberImpl[] others, MemberImpl leader) {
    Membership m = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(m,others);
    MemberImpl[] mbrs = m.getMembers();
    m.reset(); 
    CoordinationMessage msg = new CoordinationMessage(leader, local, mbrs,new UniqueId(UUIDGenerator.randomUUID(true)), COORD_REQUEST);
    return msg;
}
Example #14
Source File: Arrays.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
public static Member[] diff(Membership complete, Membership local, MemberImpl ignore) {
    ArrayList<Member> result = new ArrayList<Member>();
    MemberImpl[] comp = complete.getMembers();
    for ( int i=0; i<comp.length; i++ ) {
        if ( ignore!=null && ignore.equals(comp[i]) ) continue;
        if ( local.getMember(comp[i]) == null ) result.add(comp[i]);
    }
    return result.toArray(new MemberImpl[result.size()]);
}
Example #15
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
protected void handleOtherToken(MemberImpl local, CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //I am the new leader
        //startElection(false);
    } else {
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #16
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
protected void handleToken(CoordinationMessage msg, Member sender,Membership merged) throws ChannelException {
    MemberImpl local = (MemberImpl)getLocalMember(false);
    if ( local.equals(msg.getSource()) ) {
        //my message msg.src=local
        handleMyToken(local, msg, sender,merged);
    } else {
        handleOtherToken(local, msg, sender,merged);
    }
}
Example #17
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
protected void processCoordMessage(CoordinationMessage msg, Member sender) throws ChannelException {
    if ( !coordMsgReceived.get() ) {
        coordMsgReceived.set(true);
        synchronized (electionMutex) { electionMutex.notifyAll();}
    } 
    msg.timestamp = System.currentTimeMillis();
    Membership merged = mergeOnArrive(msg, sender);
    if (isViewConf(msg)) handleViewConf(msg, sender, merged);
    else handleToken(msg, sender, merged);
}
Example #18
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
protected Membership mergeOnArrive(CoordinationMessage msg, Member sender) {
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_PRE_MERGE,this,"Pre merge"));
    MemberImpl local = (MemberImpl)getLocalMember(false);
    Membership merged = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(merged,msg.getMembers());
    Arrays.fill(merged,getMembers());
    Member[] diff = Arrays.diff(merged,membership,local);
    for ( int i=0; i<diff.length; i++ ) {
        if (!alive(diff[i])) merged.removeMember((MemberImpl)diff[i]);
        else memberAdded(diff[i],false);
    }
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_POST_MERGE,this,"Post merge"));
    return merged;
}
Example #19
Source File: NonBlockingCoordinator.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
private CoordinationMessage createElectionMsg(MemberImpl local, MemberImpl[] others, MemberImpl leader) {
    Membership m = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(m,others);
    MemberImpl[] mbrs = m.getMembers();
    m.reset(); 
    CoordinationMessage msg = new CoordinationMessage(leader, local, mbrs,new UniqueId(UUIDGenerator.randomUUID(true)), COORD_REQUEST);
    return msg;
}
Example #20
Source File: Arrays.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
public static Member[] diff(Membership complete, Membership local, Member ignore) {
    ArrayList<Member> result = new ArrayList<>();
    Member[] comp = complete.getMembers();
    for ( int i=0; i<comp.length; i++ ) {
        if ( ignore!=null && ignore.equals(comp[i]) ) continue;
        if ( local.getMember(comp[i]) == null ) result.add(comp[i]);
    }
    return result.toArray(new Member[result.size()]);
}
Example #21
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
protected void handleOtherToken(Member local, CoordinationMessage msg, Membership merged) throws ChannelException {
    if ( local.equals(msg.getLeader()) ) {
        //I am the new leader
        //startElection(false);
    } else {
        msg.view = merged.getMembers();
        sendElectionMsgToNextInline(local,msg);
    }
}
Example #22
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
protected void handleToken(CoordinationMessage msg, Membership merged) throws ChannelException {
    Member local = getLocalMember(false);
    if ( local.equals(msg.getSource()) ) {
        //my message msg.src=local
        handleMyToken(local, msg, merged);
    } else {
        handleOtherToken(local, msg, merged);
    }
}
Example #23
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
protected void processCoordMessage(CoordinationMessage msg) throws ChannelException {
    if ( !coordMsgReceived.get() ) {
        coordMsgReceived.set(true);
        synchronized (electionMutex) { electionMutex.notifyAll();}
    }
    Membership merged = mergeOnArrive(msg);
    if (isViewConf(msg)) handleViewConf(msg, merged);
    else handleToken(msg, merged);
}
Example #24
Source File: NonBlockingCoordinator.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
protected Membership mergeOnArrive(CoordinationMessage msg) {
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_PRE_MERGE,this,"Pre merge"));
    Member local = getLocalMember(false);
    Membership merged = new Membership(local,AbsoluteOrder.comp,true);
    Arrays.fill(merged,msg.getMembers());
    Arrays.fill(merged,getMembers());
    Member[] diff = Arrays.diff(merged,membership,local);
    for ( int i=0; i<diff.length; i++ ) {
        if (!alive(diff[i])) merged.removeMember(diff[i]);
        else memberAdded(diff[i],false);
    }
    fireInterceptorEvent(new CoordinationEvent(CoordinationEvent.EVT_POST_MERGE,this,"Post merge"));
    return merged;
}
Example #25
Source File: Arrays.java    From Tomcat7.0.67 with Apache License 2.0 4 votes vote down vote up 
public static void fill(Membership mbrship, Member[] m) {
    for (int i=0; i<m.length; i++ ) mbrship.addMember((MemberImpl)m[i]);
}
Example #26
Source File: Arrays.java    From Tomcat8-Source-Read with MIT License 4 votes vote down vote up 
public static void fill(Membership mbrship, Member[] m) {
    for (int i=0; i<m.length; i++ ) mbrship.addMember(m[i]);
}
Example #27
Source File: Arrays.java    From tomcatsrc with Apache License 2.0 4 votes vote down vote up 
public static void fill(Membership mbrship, Member[] m) {
    for (int i=0; i<m.length; i++ ) mbrship.addMember((MemberImpl)m[i]);
}