How to use

getMember

method

in

org.jgroups.util.Digest$Entry

/** Update my own digest from a digest received by somebody else. Returns whether the update was successful.
 *  Needs to be called with a lock on digest */
@GuardedBy("lock")
protected void updateLocalDigest(Digest d, Address sender) {
  StringBuilder sb=null;
  if(log.isTraceEnabled())
    sb=new StringBuilder().append(local_addr).append(": handling digest from ").append(sender).append(":\nmine:   ")
     .append(printDigest(digest)).append("\nother:  ").append(printDigest(d));
  for(Digest.Entry entry: d) {
    Address mbr=entry.getMember();
    long hd=entry.getHighestDeliveredSeqno(), hr=entry.getHighestReceivedSeqno();
    // compute the minimum of the highest seqnos deliverable (for garbage collection)
    long[] seqnos=digest.get(mbr);
    if(seqnos == null)
      continue;
    long my_hd=seqnos[0];
    long my_hr=seqnos[1]; // (for retransmission of last missing message)
    if(my_hd == -1) // -1 means the seqno hasn't been set yet
      my_hd=hd;
    long new_hd=Math.min(my_hd, hd);
    long new_hr=Math.max(my_hr, hr);
    digest.set(mbr, new_hd, new_hr);
  }
  if(sb != null) // implies log.isTraceEnabled() == true
    log.trace(sb.append("\nresult: ").append(printDigest(digest)).append("\n"));
}

Address member=entry.getMember();
if(member == null)
  continue;

if(digest != null)
  for(Digest.Entry entry: digest)
    digest_membership.add(entry.getMember());

public MutableDigest set(Digest digest) {
  if(digest == null)
    return this;
  for(Entry entry: digest)
    set(entry.getMember(), entry.getHighestDeliveredSeqno(), entry.getHighestReceivedSeqno());
  return this;
}

Address member=entry.getMember();
if(member == null)
  continue;

Address member=entry.getMember();
if(member == null)
  continue;

Address member=entry.getMember();
long[] my_entry=my_digest.get(member);
if(my_entry == null)

public MutableDigest set(Digest digest) {
  if(digest == null)
    return this;
  for(Entry entry: digest)
    set(entry.getMember(), entry.getHighestDeliveredSeqno(), entry.getHighestReceivedSeqno());
  return this;
}

/**
 * Returns true if all senders of the current digest have their seqnos >= the ones from other
 */
protected static boolean isGreaterThanOrEqual(Digest first, Digest other) {
  if(other == null)
    return true;
  for(Digest.Entry entry: first) {
    Address sender=entry.getMember();
    long[] their_entry=other.get(sender);
    if(their_entry == null)
      continue;
    long my_highest=entry.getHighest();
    long their_highest=Math.max(their_entry[0],their_entry[1]);
    if(my_highest < their_highest)
      return false;
  }
  return true;
}

/** Update my own digest from a digest received by somebody else. Returns whether the update was successful.
 *  Needs to be called with a lock on digest */
@GuardedBy("lock")
protected void updateLocalDigest(Digest d, Address sender) {
  StringBuilder sb=null;
  if(log.isTraceEnabled())
    sb=new StringBuilder().append(local_addr).append(": handling digest from ").append(sender).append(":\nmine:   ")
     .append(printDigest(digest)).append("\nother:  ").append(printDigest(d));
  for(Digest.Entry entry: d) {
    Address mbr=entry.getMember();
    long hd=entry.getHighestDeliveredSeqno(), hr=entry.getHighestReceivedSeqno();
    // compute the minimum of the highest seqnos deliverable (for garbage collection)
    long[] seqnos=digest.get(mbr);
    if(seqnos == null)
      continue;
    long my_hd=seqnos[0];
    long my_hr=seqnos[1]; // (for retransmission of last missing message)
    if(my_hd == -1) // -1 means the seqno hasn't been set yet
      my_hd=hd;
    long new_hd=Math.min(my_hd, hd);
    long new_hr=Math.max(my_hr, hr);
    digest.set(mbr, new_hd, new_hr);
  }
  if(sb != null) // implies log.isTraceEnabled() == true
    log.trace(sb.append("\nresult: ").append(printDigest(digest)).append("\n"));
}

Address member=entry.getMember();
if(member == null)
  continue;

Address member=entry.getMember();
if(member == null)
  continue;

Address member=entry.getMember();
if(member == null)
  continue;

/**
 * Returns true if all senders of the current digest have their seqnos >= the ones from other
 */
protected static boolean isGreaterThanOrEqual(Digest first, Digest other) {
  if(other == null)
    return true;
  for(Digest.Entry entry: first) {
    Address sender=entry.getMember();
    long[] their_entry=other.get(sender);
    if(their_entry == null)
      continue;
    long my_highest=entry.getHighest();
    long their_highest=Math.max(their_entry[0],their_entry[1]);
    if(my_highest < their_highest)
      return false;
  }
  return true;
}

if(digest != null)
  for(Digest.Entry entry: digest)
    digest_membership.add(entry.getMember());

/**
 * Adds a digest to this digest. For each sender in the other digest, the merge() method will be called.
 */
public MutableDigest merge(Digest digest) {
  if(digest == null)
    return this;
  for(Entry entry: digest)
    merge(entry.getMember(), entry.getHighestDeliveredSeqno(), entry.getHighestReceivedSeqno());
  return this;
}

Address member=entry.getMember();
long[] my_entry=my_digest.get(member);
if(my_entry == null)

/**
 * Adds a digest to this digest. For each sender in the other digest, the merge() method will be called.
 */
public MutableDigest merge(Digest digest) {
  if(digest == null)
    return this;
  for(Entry entry: digest)
    merge(entry.getMember(), entry.getHighestDeliveredSeqno(), entry.getHighestReceivedSeqno());
  return this;
}