@Override
public ArrayList<HashMap> doExecute(Map<String, Object> args) {
Cache cache = CacheFactory.getAnyInstance();
String regionPath = (String) args.get(ApiConstant.REGIONPATH);
Region region = cache.getRegion(regionPath);
ArrayList<HashMap> list = new ArrayList<HashMap>();
if (region != null && region instanceof PartitionedRegion) {
DistributedMember member = cache.getDistributedSystem().getDistributedMember();
PartitionedRegion pr = (PartitionedRegion) region;
if (pr.getDataStore() != null) {
Set<BucketRegion> set2 = pr.getDataStore().getAllLocalBucketRegions();
for (BucketRegion br : set2) {
HashMap map = new HashMap();
map.put("BucketId", br.getId());
map.put("Size", br.size());
map.put("Bytes", br.getTotalBytes());
map.put("host", getHost());
map.put("node", System.getProperty("NODE_NAME"));
InternalDistributedMember m = pr.getBucketPrimary(br.getId());
if (m != null && member.getId().equals(m.getId())) {
map.put("type", "primary");
} else {
map.put("type", "redundant");
}
map.put("TotalNumBuckets", pr.getPartitionAttributes().getTotalNumBuckets());
list.add(map);
}
}
}
return list;
}
/**
* Safely checks to see if the provided Node participates in the PartitionedRegion return true if
* the Node participates in the PartitionedRegion
*/
boolean containsMember(InternalDistributedMember memberId) {
if (this.nodes != null) {
for (Node node : this.nodes) {
if (memberId.equals(node.getMemberId())) {
return true;
}
}
}
return false;
}
@Override
public Object processRequest(Object request) throws IOException {
Object response = null;
if (logger.isDebugEnabled()) {
logger.debug("Peer locator processing {}", request);
}
if (localAddress == null && services != null) {
localAddress = services.getMessenger().getMemberID();
}
if (request instanceof GetViewRequest) {
if (view != null) {
response = new GetViewResponse(view);
}
} else if (request instanceof FindCoordinatorRequest) {
FindCoordinatorRequest findRequest = (FindCoordinatorRequest) request;
if (findRequest.getMemberID() != null) {
InternalDistributedMember coord = null;
// at this level we want to return the coordinator known to membership services,
// which may be more up-to-date than the one known by the membership manager
if (view == null) {
findServices();
}
boolean fromView = false;
int viewId = -1;
NetView v = this.view;
if (v != null) {
// if the ID of the requester matches an entry in the membership view then remove
// that entry - it's obviously an old member since the ID has been reused
InternalDistributedMember rid = findRequest.getMemberID();
for (InternalDistributedMember id : v.getMembers()) {
if (rid.compareTo(id, false) == 0) {
NetView newView = new NetView(v, v.getViewId());
newView.remove(id);
v = newView;
break;
}
}
viewId = v.getViewId();
if (viewId > findRequest.getLastViewId()) {
// ignore the requests rejectedCoordinators if the view has changed
coord = v.getCoordinator(Collections.<InternalDistributedMember>emptyList());
} else {
coord = v.getCoordinator(findRequest.getRejectedCoordinators());
}
logger.debug("Peer locator: coordinator from view is {}", coord);
fromView = true;
}
if (coord == null) {
// find the "oldest" registrant
Collection<InternalDistributedMember> rejections = findRequest.getRejectedCoordinators();
if (rejections == null) {
rejections = Collections.emptyList();
}
synchronized (registrants) {
registrants.add(findRequest.getMemberID());
if (services != null) {
coord = services.getJoinLeave().getMemberID();
}
for (InternalDistributedMember mbr : registrants) {
if (mbr != coord && (coord == null || mbr.compareTo(coord) < 0)) {
if (!rejections.contains(mbr)
&& (mbr.getNetMember().preferredForCoordinator()
|| !mbr.getNetMember().splitBrainEnabled())) {
coord = mbr;
}
}
}
logger.debug("Peer locator: coordinator from registrations is {}", coord);
}
}
synchronized (registrants) {
response =
new FindCoordinatorResponse(
coord,
localAddress,
fromView,
view,
new HashSet<InternalDistributedMember>(registrants),
this.networkPartitionDetectionEnabled,
this.usePreferredCoordinators);
}
}
}
if (logger.isDebugEnabled()) {
logger.debug("Peer locator returning {}", response);
}
return response;
}
/**
* flush state to the given target
*
* @param recipients The members who may be making state changes to the region. This is typically
* taken from a CacheDistributionAdvisor membership set
* @param target The member who should have all state flushed to it
* @param processorType The execution processor type for the marker message that is sent to all
* members using the given region
* @param flushNewOps normally only ops that were started before region profile exchange are
* flushed. Setting this to true causes the flush to wait for any started after the profile
* exchange as well.
* @throws InterruptedException If the operation is interrupted, usually for shutdown, an
* InterruptedException will be thrown
* @return true if the state was flushed, false if not
*/
public boolean flush(
Set recipients, DistributedMember target, int processorType, boolean flushNewOps)
throws InterruptedException {
Set recips = recipients; // do not use recipients parameter past this point
if (Thread.interrupted()) {
throw new InterruptedException();
}
InternalDistributedMember myId = this.dm.getDistributionManagerId();
if (!recips.contains(target) && !myId.equals(target)) {
recips = new HashSet(recipients);
recips.add(target);
}
// partial fix for bug 38773 - ensures that this cache will get both
// a cache op and an adjunct message when creating a bucket region
// if (recips.size() < 2 && !myId.equals(target)) {
// return true; // no state to flush to a single holder of the region
// }
StateMarkerMessage smm = new StateMarkerMessage();
smm.relayRecipient = target;
smm.processorType = processorType;
smm.flushNewOps = flushNewOps;
if (region == null) {
smm.allRegions = true;
} else {
smm.regionPath = region.getFullPath();
}
smm.setRecipients(recips);
StateFlushReplyProcessor gfprocessor = new StateFlushReplyProcessor(dm, recips, target);
smm.processorId = gfprocessor.getProcessorId();
if (region != null
&& region.isUsedForPartitionedRegionBucket()
&& region.getDistributionConfig().getAckSevereAlertThreshold() > 0) {
smm.severeAlertEnabled = true;
gfprocessor.enableSevereAlertProcessing();
}
if (logger.isTraceEnabled(LogMarker.STATE_FLUSH_OP)) {
logger.trace(LogMarker.STATE_FLUSH_OP, "Sending {} with processor {}", smm, gfprocessor);
}
Set failures = this.dm.putOutgoing(smm);
if (failures != null) {
if (failures.contains(target)) {
if (logger.isTraceEnabled(LogMarker.STATE_FLUSH_OP)) {
logger.trace(
LogMarker.STATE_FLUSH_OP,
"failed to send StateMarkerMessage to target {}; returning from flush without waiting for replies",
target);
}
return false;
}
gfprocessor.messageNotSentTo(failures);
}
try {
// try { Thread.sleep(100); } catch (InterruptedException e) {
// Thread.currentThread().interrupt(); } // DEBUGGING - stall before getting membership to
// increase odds that target has left
gfprocessor.waitForReplies();
if (logger.isTraceEnabled(LogMarker.STATE_FLUSH_OP)) {
logger.trace(LogMarker.STATE_FLUSH_OP, "Finished processing {}", smm);
}
} catch (ReplyException re) {
logger.warn(
LocalizedMessage.create(
LocalizedStrings.StateFlushOperation_STATE_FLUSH_TERMINATED_WITH_EXCEPTION),
re);
return false;
}
return true;
}