/*
* Licensed to the Apache Software Foundation (ASF) under one or more contributor license
* agreements. See the NOTICE file distributed with this work for additional information regarding
* copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License. You may obtain a
* copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.apache.geode.internal.cache;
import org.apache.geode.CancelCriterion;
import org.apache.geode.GemFireIOException;
import org.apache.geode.InternalGemFireError;
import org.apache.geode.InvalidValueException;
import org.apache.geode.cache.*;
import org.apache.geode.cache.server.CacheServer;
import org.apache.geode.cache.server.ClientSubscriptionConfig;
import org.apache.geode.cache.server.ServerLoadProbe;
import org.apache.geode.cache.server.internal.LoadMonitor;
import org.apache.geode.cache.wan.GatewayTransportFilter;
import org.apache.geode.distributed.DistributedMember;
import org.apache.geode.distributed.internal.*;
import org.apache.geode.distributed.internal.DistributionAdvisor.Profile;
import org.apache.geode.distributed.internal.membership.MemberAttributes;
import org.apache.geode.internal.Assert;
import org.apache.geode.internal.OSProcess;
import org.apache.geode.internal.admin.ClientHealthMonitoringRegion;
import org.apache.geode.internal.cache.CacheServerAdvisor.CacheServerProfile;
import org.apache.geode.internal.cache.ha.HARegionQueue;
import org.apache.geode.internal.cache.tier.Acceptor;
import org.apache.geode.internal.cache.tier.sockets.AcceptorImpl;
import org.apache.geode.internal.cache.tier.sockets.CacheClientNotifier;
import org.apache.geode.internal.cache.tier.sockets.ClientProxyMembershipID;
import org.apache.geode.internal.i18n.LocalizedStrings;
import org.apache.geode.internal.logging.LogService;
import org.apache.geode.internal.logging.log4j.LocalizedMessage;
import org.apache.geode.management.membership.ClientMembership;
import org.apache.geode.management.membership.ClientMembershipListener;
import org.apache.logging.log4j.Logger;
import java.io.File;
import java.io.IOException;
import java.util.*;
import java.util.concurrent.atomic.AtomicInteger;
/**
* An implementation of the <code>CacheServer</code> interface that delegates most of the heavy
* lifting to an {@link Acceptor}.
*
* @since GemFire 4.0
*/
@SuppressWarnings("deprecation")
public class CacheServerImpl extends AbstractCacheServer implements DistributionAdvisee {
private static final Logger logger = LogService.getLogger();
private static final int FORCE_LOAD_UPDATE_FREQUENCY =
Integer
.getInteger(
DistributionConfig.GEMFIRE_PREFIX + "BridgeServer.FORCE_LOAD_UPDATE_FREQUENCY", 10)
.intValue();
/** The acceptor that does the actual serving */
private volatile AcceptorImpl acceptor;
/**
* The advisor used by this cache server.
*
* @since GemFire 5.7
*/
private volatile CacheServerAdvisor advisor;
/**
* The monitor used to monitor load on this bridge server and distribute load to the locators
*
* @since GemFire 5.7
*/
private volatile LoadMonitor loadMonitor;
/**
* boolean that represents whether this server is a GatewayReceiver or a simple BridgeServer
*/
private boolean isGatewayReceiver;
private List<GatewayTransportFilter> gatewayTransportFilters = Collections.EMPTY_LIST;
/** is this a server created by a launcher as opposed to by an application or XML? */
private boolean isDefaultServer;
/**
* Needed because this guy is an advisee
*
* @since GemFire 5.7
*/
private int serialNumber; // changed on each start
public static final boolean ENABLE_NOTIFY_BY_SUBSCRIPTION_FALSE = Boolean.getBoolean(
DistributionConfig.GEMFIRE_PREFIX + "cache-server.enable-notify-by-subscription-false");
// ////////////////////// Constructors //////////////////////
/**
* Creates a new <code>BridgeServerImpl</code> that serves the contents of the give
* <code>Cache</code>. It has the default configuration.
*/
public CacheServerImpl(GemFireCacheImpl cache, boolean isGatewayReceiver) {
super(cache);
this.isGatewayReceiver = isGatewayReceiver;
}
// //////////////////// Instance Methods ///////////////////
public CancelCriterion getCancelCriterion() {
return cache.getCancelCriterion();
}
/**
* Checks to see whether or not this bridge server is running. If so, an
* {@link IllegalStateException} is thrown.
*/
private void checkRunning() {
if (this.isRunning()) {
throw new IllegalStateException(
LocalizedStrings.CacheServerImpl_A_CACHE_SERVERS_CONFIGURATION_CANNOT_BE_CHANGED_ONCE_IT_IS_RUNNING
.toLocalizedString());
}
}
public boolean isGatewayReceiver() {
return this.isGatewayReceiver;
}
@Override
public int getPort() {
if (this.acceptor != null) {
return this.acceptor.getPort();
} else {
return super.getPort();
}
}
@Override
public void setPort(int port) {
checkRunning();
super.setPort(port);
}
@Override
public void setBindAddress(String address) {
checkRunning();
super.setBindAddress(address);
}
@Override
public void setHostnameForClients(String name) {
checkRunning();
super.setHostnameForClients(name);
}
@Override
public void setMaxConnections(int maxCon) {
checkRunning();
super.setMaxConnections(maxCon);
}
@Override
public void setMaxThreads(int maxThreads) {
checkRunning();
super.setMaxThreads(maxThreads);
}
@Override
public void setNotifyBySubscription(boolean b) {
checkRunning();
if (CacheServerImpl.ENABLE_NOTIFY_BY_SUBSCRIPTION_FALSE) {
this.notifyBySubscription = b;
}
}
@Override
public void setMaximumMessageCount(int maximumMessageCount) {
checkRunning();
super.setMaximumMessageCount(maximumMessageCount);
}
@Override
public void setSocketBufferSize(int socketBufferSize) {
this.socketBufferSize = socketBufferSize;
}
@Override
public int getSocketBufferSize() {
return this.socketBufferSize;
}
@Override
public void setMaximumTimeBetweenPings(int maximumTimeBetweenPings) {
this.maximumTimeBetweenPings = maximumTimeBetweenPings;
}
@Override
public int getMaximumTimeBetweenPings() {
return this.maximumTimeBetweenPings;
}
@Override
public void setLoadPollInterval(long loadPollInterval) {
checkRunning();
super.setLoadPollInterval(loadPollInterval);
}
@Override
public int getMaximumMessageCount() {
return this.maximumMessageCount;
}
@Override
public void setLoadProbe(ServerLoadProbe loadProbe) {
checkRunning();
super.setLoadProbe(loadProbe);
}
public void setGatewayTransportFilter(List<GatewayTransportFilter> transportFilters) {
this.gatewayTransportFilters = transportFilters;
}
@Override
public int getMessageTimeToLive() {
return this.messageTimeToLive;
}
public ClientSubscriptionConfig getClientSubscriptionConfig() {
return this.clientSubscriptionConfig;
}
public boolean isDefaultServer() {
return isDefaultServer;
}
public void setIsDefaultServer() {
this.isDefaultServer = true;
}
/**
* Sets the configuration of <b>this</b> <code>CacheServer</code> based on the configuration of
* <b>another</b> <code>CacheServer</code>.
*/
public void configureFrom(CacheServer other) {
setPort(other.getPort());
setBindAddress(other.getBindAddress());
setHostnameForClients(other.getHostnameForClients());
setMaxConnections(other.getMaxConnections());
setMaxThreads(other.getMaxThreads());
setNotifyBySubscription(other.getNotifyBySubscription());
setSocketBufferSize(other.getSocketBufferSize());
setTcpNoDelay(other.getTcpNoDelay());
setMaximumTimeBetweenPings(other.getMaximumTimeBetweenPings());
setMaximumMessageCount(other.getMaximumMessageCount());
setMessageTimeToLive(other.getMessageTimeToLive());
setGroups(other.getGroups());
setLoadProbe(other.getLoadProbe());
setLoadPollInterval(other.getLoadPollInterval());
ClientSubscriptionConfig cscOther = other.getClientSubscriptionConfig();
ClientSubscriptionConfig cscThis = this.getClientSubscriptionConfig();
// added for configuration of ha overflow
cscThis.setEvictionPolicy(cscOther.getEvictionPolicy());
cscThis.setCapacity(cscOther.getCapacity());
String diskStoreName = cscOther.getDiskStoreName();
if (diskStoreName != null) {
cscThis.setDiskStoreName(diskStoreName);
} else {
cscThis.setOverflowDirectory(cscOther.getOverflowDirectory());
}
}
@Override
public synchronized void start() throws IOException {
Assert.assertTrue(this.cache != null);
this.serialNumber = createSerialNumber();
if (DynamicRegionFactory.get().isOpen()) {
// force notifyBySubscription to be true so that meta info is pushed
// from servers to clients instead of invalidates.
if (!this.notifyBySubscription) {
logger.info(LocalizedMessage.create(
LocalizedStrings.CacheServerImpl_FORCING_NOTIFYBYSUBSCRIPTION_TO_SUPPORT_DYNAMIC_REGIONS));
this.notifyBySubscription = true;
}
}
this.advisor = CacheServerAdvisor.createCacheServerAdvisor(this);
this.loadMonitor = new LoadMonitor(loadProbe, maxConnections, loadPollInterval,
FORCE_LOAD_UPDATE_FREQUENCY, advisor);
List overflowAttributesList = new LinkedList();
ClientSubscriptionConfig csc = this.getClientSubscriptionConfig();
overflowAttributesList.add(0, csc.getEvictionPolicy());
overflowAttributesList.add(1, Integer.valueOf(csc.getCapacity()));
overflowAttributesList.add(2, Integer.valueOf(this.port));
String diskStoreName = csc.getDiskStoreName();
if (diskStoreName != null) {
overflowAttributesList.add(3, diskStoreName);
overflowAttributesList.add(4, true); // indicator to use diskstore
} else {
overflowAttributesList.add(3, csc.getOverflowDirectory());
overflowAttributesList.add(4, false);
}
this.acceptor = new AcceptorImpl(getPort(), getBindAddress(), getNotifyBySubscription(),
getSocketBufferSize(), getMaximumTimeBetweenPings(), this.cache, getMaxConnections(),
getMaxThreads(), getMaximumMessageCount(), getMessageTimeToLive(), this.loadMonitor,
overflowAttributesList, this.isGatewayReceiver, this.gatewayTransportFilters,
this.tcpNoDelay);
this.acceptor.start();
this.advisor.handshake();
this.loadMonitor.start(new ServerLocation(getExternalAddress(), getPort()),
acceptor.getStats());
// TODO : Need to provide facility to enable/disable client health monitoring.
// Creating ClientHealthMonitoring region.
// Force initialization on current cache
if (cache instanceof GemFireCacheImpl) {
ClientHealthMonitoringRegion.getInstance((GemFireCacheImpl) cache);
}
this.cache.getLoggerI18n()
.config(LocalizedStrings.CacheServerImpl_CACHESERVER_CONFIGURATION___0, getConfig());
/*
* If the stopped bridge server is restarted, we'll need to re-register the client membership
* listener. If the listener is already registered it won't be registered as would the case when
* start() is invoked for the first time.
*/
ClientMembershipListener[] membershipListeners =
ClientMembership.getClientMembershipListeners();
boolean membershipListenerRegistered = false;
for (ClientMembershipListener membershipListener : membershipListeners) {
// just checking by reference as the listener instance is final
if (listener == membershipListener) {
membershipListenerRegistered = true;
break;
}
}
if (!membershipListenerRegistered) {
ClientMembership.registerClientMembershipListener(listener);
}
if (!isGatewayReceiver) {
InternalDistributedSystem system = ((GemFireCacheImpl) this.cache).getDistributedSystem();
system.handleResourceEvent(ResourceEvent.CACHE_SERVER_START, this);
}
}
/**
* Gets the address that this bridge server can be contacted on from external processes.
*
* @since GemFire 5.7
*/
public String getExternalAddress() {
return getExternalAddress(true);
}
public String getExternalAddress(boolean checkServerRunning) {
if (checkServerRunning) {
if (!this.isRunning()) {
String s = "A bridge server's bind address is only available if it has been started";
this.cache.getCancelCriterion().checkCancelInProgress(null);
throw new IllegalStateException(s);
}
}
if (this.hostnameForClients == null || this.hostnameForClients.equals("")) {
if (this.acceptor != null) {
return this.acceptor.getExternalAddress();
} else {
return null;
}
} else {
return this.hostnameForClients;
}
}
public boolean isRunning() {
return this.acceptor != null && this.acceptor.isRunning();
}
public synchronized void stop() {
if (!isRunning()) {
return;
}
RuntimeException firstException = null;
try {
if (this.loadMonitor != null) {
this.loadMonitor.stop();
}
} catch (RuntimeException e) {
cache.getLoggerI18n()
.warning(LocalizedStrings.CacheServerImpl_CACHESERVER_ERROR_CLOSING_LOAD_MONITOR, e);
firstException = e;
}
try {
if (this.advisor != null) {
this.advisor.close();
}
} catch (RuntimeException e) {
cache.getLoggerI18n()
.warning(LocalizedStrings.CacheServerImpl_CACHESERVER_ERROR_CLOSING_ADVISOR, e);
firstException = e;
}
try {
if (this.acceptor != null) {
this.acceptor.close();
}
} catch (RuntimeException e) {
logger.warn(LocalizedMessage
.create(LocalizedStrings.CacheServerImpl_CACHESERVER_ERROR_CLOSING_ACCEPTOR_MONITOR), e);
if (firstException != null) {
firstException = e;
}
}
if (firstException != null) {
throw firstException;
}
// TODO : We need to clean up the admin region created for client
// monitoring.
// BridgeServer is still available, just not running, so we don't take
// it out of the cache's list...
// cache.removeBridgeServer(this);
/* Assuming start won't be called after stop */
ClientMembership.unregisterClientMembershipListener(listener);
TXManagerImpl txMgr = (TXManagerImpl) cache.getCacheTransactionManager();
txMgr.removeHostedTXStatesForClients();
if (!isGatewayReceiver) {
InternalDistributedSystem system = ((GemFireCacheImpl) this.cache).getDistributedSystem();
system.handleResourceEvent(ResourceEvent.CACHE_SERVER_STOP, this);
}
}
private String getConfig() {
ClientSubscriptionConfig csc = this.getClientSubscriptionConfig();
String str = "port=" + getPort() + " max-connections=" + getMaxConnections() + " max-threads="
+ getMaxThreads() + " notify-by-subscription=" + getNotifyBySubscription()
+ " socket-buffer-size=" + getSocketBufferSize() + " maximum-time-between-pings="
+ getMaximumTimeBetweenPings() + " maximum-message-count=" + getMaximumMessageCount()
+ " message-time-to-live=" + getMessageTimeToLive() + " eviction-policy="
+ csc.getEvictionPolicy() + " capacity=" + csc.getCapacity() + " overflow directory=";
if (csc.getDiskStoreName() != null) {
str += csc.getDiskStoreName();
} else {
str += csc.getOverflowDirectory();
}
str += " groups=" + Arrays.asList(getGroups()) + " loadProbe=" + loadProbe
+ " loadPollInterval=" + loadPollInterval + " tcpNoDelay=" + tcpNoDelay;
return str;
}
@Override
public String toString() {
ClientSubscriptionConfig csc = this.getClientSubscriptionConfig();
String str = "CacheServer on port=" + getPort() + " client subscription config policy="
+ csc.getEvictionPolicy() + " client subscription config capacity=" + csc.getCapacity();
if (csc.getDiskStoreName() != null) {
str += " client subscription config overflow disk store=" + csc.getDiskStoreName();
} else {
str += " client subscription config overflow directory=" + csc.getOverflowDirectory();
}
return str;
}
/**
* Test method used to access the internal acceptor
*
* @return the internal acceptor
*/
public AcceptorImpl getAcceptor() {
return this.acceptor;
}
// DistributionAdvisee methods
public DM getDistributionManager() {
return getSystem().getDistributionManager();
}
public ClientSession getClientSession(String durableClientId) {
return getCacheClientNotifier().getClientProxy(durableClientId);
}
public ClientSession getClientSession(DistributedMember member) {
return getCacheClientNotifier().getClientProxy(ClientProxyMembershipID.getClientId(member));
}
public Set getAllClientSessions() {
return new HashSet(getCacheClientNotifier().getClientProxies());
}
/**
* create client subscription
*
* @param cache
* @param ePolicy
* @param capacity
* @param port
* @param overFlowDir
* @param isDiskStore
* @return client subscription name
* @since GemFire 5.7
*/
public static String clientMessagesRegion(GemFireCacheImpl cache, String ePolicy, int capacity,
int port, String overFlowDir, boolean isDiskStore) {
AttributesFactory factory =
getAttribFactoryForClientMessagesRegion(cache, ePolicy, capacity, overFlowDir, isDiskStore);
RegionAttributes attr = factory.create();
return createClientMessagesRegion(attr, cache, capacity, port);
}
public static AttributesFactory getAttribFactoryForClientMessagesRegion(GemFireCacheImpl cache,
String ePolicy, int capacity, String overflowDir, boolean isDiskStore)
throws InvalidValueException, GemFireIOException {
AttributesFactory factory = new AttributesFactory();
factory.setScope(Scope.LOCAL);
if (isDiskStore) {
// overflowDir parameter is actually diskstore name
factory.setDiskStoreName(overflowDir);
// client subscription queue is always overflow to disk, so do async
// see feature request #41479
factory.setDiskSynchronous(true);
} else if (overflowDir == null
|| overflowDir.equals(ClientSubscriptionConfig.DEFAULT_OVERFLOW_DIRECTORY)) {
factory.setDiskStoreName(null);
// client subscription queue is always overflow to disk, so do async
// see feature request #41479
factory.setDiskSynchronous(true);
} else {
File dir = new File(
overflowDir + File.separatorChar + generateNameForClientMsgsRegion(OSProcess.getId()));
// This will delete the overflow directory when virtual machine terminates.
dir.deleteOnExit();
if (!dir.mkdirs() && !dir.isDirectory()) {
throw new GemFireIOException(
"Could not create client subscription overflow directory: " + dir.getAbsolutePath());
}
File[] dirs = {dir};
DiskStoreFactory dsf = cache.createDiskStoreFactory();
DiskStore bsi = dsf.setAutoCompact(true)
.setDiskDirsAndSizes(dirs, new int[] {Integer.MAX_VALUE}).create("bsi");
factory.setDiskStoreName("bsi");
// backward compatibility, it was sync
factory.setDiskSynchronous(true);
}
factory.setDataPolicy(DataPolicy.NORMAL);
// enable statistics
factory.setStatisticsEnabled(true);
/* setting LIFO related eviction attributes */
if (HARegionQueue.HA_EVICTION_POLICY_ENTRY.equals(ePolicy)) {
factory.setEvictionAttributes(EvictionAttributesImpl.createLIFOEntryAttributes(capacity,
EvictionAction.OVERFLOW_TO_DISK));
} else if (HARegionQueue.HA_EVICTION_POLICY_MEMORY.equals(ePolicy)) { // condition refinement
factory.setEvictionAttributes(EvictionAttributesImpl.createLIFOMemoryAttributes(capacity,
EvictionAction.OVERFLOW_TO_DISK));
} else {
// throw invalid eviction policy exception
throw new InvalidValueException(
LocalizedStrings.CacheServerImpl__0_INVALID_EVICTION_POLICY.toLocalizedString(ePolicy));
}
return factory;
}
public static String createClientMessagesRegion(RegionAttributes attr, GemFireCacheImpl cache,
int capacity, int port) {
// generating unique name in VM for ClientMessagesRegion
String regionName = generateNameForClientMsgsRegion(port);
try {
cache.createVMRegion(regionName, attr,
new InternalRegionArguments().setDestroyLockFlag(true).setRecreateFlag(false)
.setSnapshotInputStream(null).setImageTarget(null).setIsUsedForMetaRegion(true));
} catch (RegionExistsException ree) {
InternalGemFireError assErr = new InternalGemFireError("unexpected exception");
assErr.initCause(ree);
throw assErr;
} catch (IOException e) {
// only if loading snapshot, not here
InternalGemFireError assErr = new InternalGemFireError("unexpected exception");
assErr.initCause(e);
throw assErr;
} catch (ClassNotFoundException e) {
// only if loading snapshot, not here
InternalGemFireError assErr = new InternalGemFireError("unexpected exception");
assErr.initCause(e);
throw assErr;
}
return regionName;
}
public static String createClientMessagesRegionForTesting(GemFireCacheImpl cache, String ePolicy,
int capacity, int port, int expiryTime, String overFlowDir, boolean isDiskStore) {
AttributesFactory factory =
getAttribFactoryForClientMessagesRegion(cache, ePolicy, capacity, overFlowDir, isDiskStore);
ExpirationAttributes ea =
new ExpirationAttributes(expiryTime, ExpirationAction.LOCAL_INVALIDATE);
factory.setEntryTimeToLive(ea);
RegionAttributes attr = factory.create();
return createClientMessagesRegion(attr, cache, capacity, port);
}
/**
* Generates the name for the client subscription using the given id.
*
* @param id
* @return String
* @since GemFire 5.7
*/
public static String generateNameForClientMsgsRegion(int id) {
return ClientSubscriptionConfigImpl.CLIENT_SUBSCRIPTION + "_" + id;
}
/*
* Marker class name to identify the lock more easily in thread dumps private static class
* ClientMessagesRegionLock extends Object { }
*/
public DistributionAdvisor getDistributionAdvisor() {
return this.advisor;
}
/**
* Returns the BridgeServerAdvisor for this server
*/
public CacheServerAdvisor getCacheServerAdvisor() {
return this.advisor;
}
public Profile getProfile() {
return getDistributionAdvisor().createProfile();
}
public DistributionAdvisee getParentAdvisee() {
return null;
}
/**
* Returns the underlying <code>InternalDistributedSystem</code> connection.
*
* @return the underlying <code>InternalDistributedSystem</code>
*/
public InternalDistributedSystem getSystem() {
return (InternalDistributedSystem) this.cache.getDistributedSystem();
}
public String getName() {
return "CacheServer";
}
public String getFullPath() {
return getName();
}
private final static AtomicInteger profileSN = new AtomicInteger();
private static int createSerialNumber() {
return profileSN.incrementAndGet();
}
/**
* Returns an array of all the groups of this bridge server. This includes those from the groups
* gemfire property and those explicitly added to this server.
*/
public String[] getCombinedGroups() {
ArrayList<String> groupList = new ArrayList<String>();
if (!this.isGatewayReceiver) {
for (String g : MemberAttributes.parseGroups(null, getSystem().getConfig().getGroups())) {
if (!groupList.contains(g)) {
groupList.add(g);
}
}
}
for (String g : getGroups()) {
if (!groupList.contains(g)) {
groupList.add(g);
}
}
String[] groups = new String[groupList.size()];
return groupList.toArray(groups);
}
public /* synchronized causes deadlock */ void fillInProfile(Profile profile) {
assert profile instanceof CacheServerProfile;
CacheServerProfile bp = (CacheServerProfile) profile;
bp.setHost(getExternalAddress(false));
bp.setPort(getPort());
bp.setGroups(getCombinedGroups());
bp.setMaxConnections(maxConnections);
bp.setInitialLoad(loadMonitor.getLastLoad());
bp.setLoadPollInterval(getLoadPollInterval());
bp.serialNumber = getSerialNumber();
bp.finishInit();
}
public int getSerialNumber() {
return this.serialNumber;
}
protected CacheClientNotifier getCacheClientNotifier() {
return getAcceptor().getCacheClientNotifier();
}
/**
* Registers a new <code>InterestRegistrationListener</code> with the set of
* <code>InterestRegistrationListener</code>s.
*
* @param listener The <code>InterestRegistrationListener</code> to register
* @throws IllegalStateException if the BridgeServer has not been started
* @since GemFire 5.8Beta
*/
public void registerInterestRegistrationListener(InterestRegistrationListener listener) {
if (!this.isRunning()) {
throw new IllegalStateException(
LocalizedStrings.CacheServerImpl_MUST_BE_RUNNING.toLocalizedString());
}
getCacheClientNotifier().registerInterestRegistrationListener(listener);
}
/**
* Unregisters an existing <code>InterestRegistrationListener</code> from the set of
* <code>InterestRegistrationListener</code>s.
*
* @param listener The <code>InterestRegistrationListener</code> to unregister
*
* @since GemFire 5.8Beta
*/
public void unregisterInterestRegistrationListener(InterestRegistrationListener listener) {
getCacheClientNotifier().unregisterInterestRegistrationListener(listener);
}
/**
* Returns a read-only set of <code>InterestRegistrationListener</code>s registered with this
* notifier.
*
* @return a read-only set of <code>InterestRegistrationListener</code>s registered with this
* notifier
*
* @since GemFire 5.8Beta
*/
public Set getInterestRegistrationListeners() {
return getCacheClientNotifier().getInterestRegistrationListeners();
}
}