1 package org.opendaylight.controller.clustering.services_implementation.internal;
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3 import static org.junit.Assert.assertEquals;
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4 import static org.junit.Assert.assertFalse;
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5 import static org.junit.Assert.assertNotNull;
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6 import static org.junit.Assert.assertNull;
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7 import static org.junit.Assert.assertTrue;
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8 import static org.ops4j.pax.exam.CoreOptions.junitBundles;
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9 import static org.ops4j.pax.exam.CoreOptions.mavenBundle;
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10 import static org.ops4j.pax.exam.CoreOptions.options;
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11 import static org.ops4j.pax.exam.CoreOptions.systemPackages;
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12 import static org.ops4j.pax.exam.CoreOptions.systemProperty;
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14 import java.util.List;
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15 import java.util.concurrent.CopyOnWriteArrayList;
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16 import java.util.concurrent.TimeUnit;
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17 import java.net.InetAddress;
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18 import java.util.Dictionary;
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19 import java.util.HashSet;
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20 import java.util.Hashtable;
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21 import java.util.Set;
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22 import java.util.List;
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23 import java.util.concurrent.ConcurrentMap;
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25 import javax.inject.Inject;
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27 import org.junit.Before;
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28 import org.junit.Test;
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29 import org.junit.runner.RunWith;
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30 import org.opendaylight.controller.clustering.services.CacheConfigException;
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31 import org.opendaylight.controller.clustering.services.CacheExistException;
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32 import org.opendaylight.controller.clustering.services.CacheListenerAddException;
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33 import org.opendaylight.controller.clustering.services.IClusterGlobalServices;
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34 import org.opendaylight.controller.clustering.services.IClusterServices;
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35 import org.opendaylight.controller.clustering.services.IClusterContainerServices;
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36 import org.opendaylight.controller.clustering.services.IClusterServices.cacheMode;
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37 import org.opendaylight.controller.clustering.services.IGetUpdates;
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38 import org.opendaylight.controller.clustering.services.ICacheUpdateAware;
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39 import org.opendaylight.controller.sal.utils.ServiceHelper;
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40 import org.opendaylight.controller.sal.core.UpdateType;
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41 import org.ops4j.pax.exam.Option;
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42 import org.ops4j.pax.exam.junit.Configuration;
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43 import org.ops4j.pax.exam.junit.PaxExam;
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44 import org.ops4j.pax.exam.util.PathUtils;
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45 import org.osgi.framework.Bundle;
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46 import org.osgi.framework.BundleContext;
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47 import org.osgi.framework.ServiceReference;
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48 import org.osgi.framework.ServiceRegistration;
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49 import org.slf4j.Logger;
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50 import org.slf4j.LoggerFactory;
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51 import java.util.concurrent.CountDownLatch;
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53 @RunWith(PaxExam.class)
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54 public class ClusteringServicesIT {
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55 private Logger log = LoggerFactory
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56 .getLogger(ClusteringServicesIT.class);
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57 // get the OSGI bundle context
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59 private BundleContext bc;
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60 private IClusterServices clusterServices = null;
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61 private IClusterContainerServices clusterDefaultServices = null;
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62 private IClusterGlobalServices clusterGlobalServices = null;
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64 // Configure the OSGi container
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66 public Option[] config() {
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69 systemProperty("logback.configurationFile").value(
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70 "file:" + PathUtils.getBaseDir()
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71 + "/src/test/resources/logback.xml"),
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72 // To start OSGi console for inspection remotely
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73 systemProperty("osgi.console").value("2401"),
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74 // Set the systemPackages (used by clustering)
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75 systemPackages("sun.reflect", "sun.reflect.misc", "sun.misc"),
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76 // List framework bundles
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77 mavenBundle("equinoxSDK381",
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78 "org.eclipse.equinox.console").versionAsInProject(),
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79 mavenBundle("equinoxSDK381",
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80 "org.eclipse.equinox.util").versionAsInProject(),
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81 mavenBundle("equinoxSDK381",
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82 "org.eclipse.osgi.services").versionAsInProject(),
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83 mavenBundle("equinoxSDK381",
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84 "org.eclipse.equinox.ds").versionAsInProject(),
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85 mavenBundle("equinoxSDK381",
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86 "org.apache.felix.gogo.command").versionAsInProject(),
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87 mavenBundle("equinoxSDK381",
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88 "org.apache.felix.gogo.runtime").versionAsInProject(),
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89 mavenBundle("equinoxSDK381",
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90 "org.apache.felix.gogo.shell").versionAsInProject(),
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91 // List logger bundles
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92 mavenBundle("org.slf4j", "slf4j-api").versionAsInProject(),
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93 mavenBundle("org.slf4j", "log4j-over-slf4j").versionAsInProject(),
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94 mavenBundle("ch.qos.logback", "logback-core").versionAsInProject(),
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95 mavenBundle("ch.qos.logback", "logback-classic").versionAsInProject(),
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96 // List all the bundles on which the test case depends
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97 mavenBundle("org.opendaylight.controller",
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98 "clustering.services").versionAsInProject(),
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99 mavenBundle("org.opendaylight.controller",
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100 "clustering.services-implementation").versionAsInProject(),
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101 mavenBundle("org.opendaylight.controller", "sal").versionAsInProject(),
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102 mavenBundle("org.opendaylight.controller",
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103 "sal.implementation").versionAsInProject(),
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104 mavenBundle("org.opendaylight.controller", "containermanager").versionAsInProject(),
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105 mavenBundle("org.opendaylight.controller",
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106 "containermanager.implementation").versionAsInProject(),
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107 mavenBundle("org.jboss.spec.javax.transaction",
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108 "jboss-transaction-api_1.1_spec").versionAsInProject(),
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109 mavenBundle("org.apache.commons", "commons-lang3").versionAsInProject(),
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110 mavenBundle("org.apache.felix",
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111 "org.apache.felix.dependencymanager").versionAsInProject(),
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112 mavenBundle("org.apache.felix",
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113 "org.apache.felix.dependencymanager.shell").versionAsInProject(),
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117 private String stateToString(int state) {
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119 case Bundle.ACTIVE:
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121 case Bundle.INSTALLED:
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122 return "INSTALLED";
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123 case Bundle.RESOLVED:
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125 case Bundle.UNINSTALLED:
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126 return "UNINSTALLED";
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128 return "Not CONVERTED";
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133 public void areWeReady() {
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135 boolean debugit = false;
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136 Bundle b[] = bc.getBundles();
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137 for (int i = 0; i < b.length; i++) {
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138 int state = b[i].getState();
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139 if (state != Bundle.ACTIVE && state != Bundle.RESOLVED) {
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140 log.debug("Bundle:" + b[i].getSymbolicName() + " state:"
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141 + stateToString(state));
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146 log.debug("Do some debugging because some bundle is "
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150 // Assert if true, if false we are good to go!
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151 assertFalse(debugit);
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153 this.clusterServices = (IClusterServices)ServiceHelper
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154 .getGlobalInstance(IClusterServices.class, this);
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155 assertNotNull(this.clusterServices);
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157 this.clusterDefaultServices = (IClusterContainerServices)ServiceHelper
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158 .getInstance(IClusterContainerServices.class, "default", this);
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159 assertNotNull(this.clusterDefaultServices);
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161 this.clusterGlobalServices = (IClusterGlobalServices)ServiceHelper
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162 .getGlobalInstance(IClusterGlobalServices.class, this);
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163 assertNotNull(this.clusterGlobalServices);
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167 public void clusterTest() throws CacheExistException, CacheConfigException,
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168 CacheListenerAddException {
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170 String container1 = "Container1";
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171 String container2 = "Container2";
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172 String cache1 = "Cache1";
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173 String cache2 = "Cache2";
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174 String cache3 = "Cache3";
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176 HashSet<cacheMode> cacheModeSet = new HashSet<cacheMode>();
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177 cacheModeSet.add(cacheMode.NON_TRANSACTIONAL);
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178 ConcurrentMap cm11 = this.clusterServices.createCache(container1,
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179 cache1, cacheModeSet);
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180 assertNotNull(cm11);
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182 assertNull(this.clusterServices.getCache(container2, cache2));
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183 assertEquals(cm11, this.clusterServices.getCache(container1, cache1));
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185 assertFalse(this.clusterServices.existCache(container2, cache2));
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186 assertTrue(this.clusterServices.existCache(container1, cache1));
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188 ConcurrentMap cm12 = this.clusterServices.createCache(container1,
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189 cache2, cacheModeSet);
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190 ConcurrentMap cm23 = this.clusterServices.createCache(container2,
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191 cache3, cacheModeSet);
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193 HashSet<String> cacheList = (HashSet<String>) this.clusterServices
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194 .getCacheList(container1);
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195 assertEquals(2, cacheList.size());
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196 assertTrue(cacheList.contains(cache1));
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197 assertTrue(cacheList.contains(cache2));
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198 assertFalse(cacheList.contains(cache3));
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200 assertNotNull(this.clusterServices.getCacheProperties(container1,
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203 HashSet<IGetUpdates<?, ?>> listeners = (HashSet<IGetUpdates<?, ?>>) this.clusterServices
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204 .getListeners(container1, cache1);
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205 assertEquals(0, listeners.size());
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207 IGetUpdates<?, ?> getUpdate1 = new GetUpdates();
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208 this.clusterServices.addListener(container1, cache1, getUpdate1);
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209 listeners = (HashSet<IGetUpdates<?, ?>>) this.clusterServices
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210 .getListeners(container1, cache1);
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211 assertEquals(1, listeners.size());
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212 this.clusterServices.addListener(container1, cache1, new GetUpdates());
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213 listeners = (HashSet<IGetUpdates<?, ?>>) this.clusterServices
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214 .getListeners(container1, cache1);
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215 assertEquals(2, listeners.size());
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217 listeners = (HashSet<IGetUpdates<?, ?>>) this.clusterServices
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218 .getListeners(container2, cache3);
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219 assertEquals(0, listeners.size());
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221 this.clusterServices.removeListener(container1, cache1, getUpdate1);
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222 listeners = (HashSet<IGetUpdates<?, ?>>) this.clusterServices
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223 .getListeners(container1, cache1);
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224 assertEquals(1, listeners.size());
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226 InetAddress addr = this.clusterServices.getMyAddress();
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227 assertNotNull(addr);
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229 List<InetAddress> addrList = this.clusterServices
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230 .getClusteredControllers();
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232 this.clusterServices.destroyCache(container1, cache1);
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233 assertFalse(this.clusterServices.existCache(container1, cache1));
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237 private class GetUpdates implements IGetUpdates<Integer, String> {
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240 public void entryCreated(Integer key, String containerName,
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241 String cacheName, boolean originLocal) {
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246 public void entryUpdated(Integer key, String newValue,
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247 String containerName, String cacheName, boolean originLocal) {
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252 public void entryDeleted(Integer key, String containerName,
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253 String cacheName, boolean originLocal) {
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259 public void clusterContainerAndGlobalTest() throws CacheExistException, CacheConfigException,
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260 CacheListenerAddException, InterruptedException {
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261 String cache1 = "Cache1";
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262 String cache2 = "Cache2";
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263 // Lets test the case of caches with same name in different
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264 // containers (actually global an container case)
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265 String cache3 = "Cache2";
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267 HashSet<cacheMode> cacheModeSet = new HashSet<cacheMode>();
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268 cacheModeSet.add(cacheMode.NON_TRANSACTIONAL);
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269 ConcurrentMap cm11 = this.clusterDefaultServices.createCache(cache1, cacheModeSet);
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270 assertNotNull(cm11);
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272 assertTrue(this.clusterDefaultServices.existCache(cache1));
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273 assertEquals(cm11, this.clusterDefaultServices.getCache(cache1));
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275 ConcurrentMap cm12 = this.clusterDefaultServices.createCache(cache2, cacheModeSet);
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276 ConcurrentMap cm23 = this.clusterGlobalServices.createCache(cache3, cacheModeSet);
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278 // Now given cahe2 and cache3 have same name lets make sure
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279 // they don't return the same reference
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280 assertNotNull(this.clusterGlobalServices.getCache(cache2));
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281 // cm12 reference must be different than cm23
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282 assertTrue(cm12 != cm23);
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284 HashSet<String> cacheList = (HashSet<String>) this.clusterDefaultServices
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286 assertEquals(2, cacheList.size());
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287 assertTrue(cacheList.contains(cache1));
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288 assertTrue(cacheList.contains(cache2));
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290 assertNotNull(this.clusterDefaultServices.getCacheProperties(cache1));
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293 /***********************************/
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294 /* Testing cacheAware in Container */
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295 /***********************************/
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296 Dictionary<String, Object> props = new Hashtable<String, Object>();
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297 Set<String> propSet = new HashSet<String>();
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298 propSet.add(cache1);
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299 propSet.add(cache2);
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300 props.put("cachenames", propSet);
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301 CacheAware listener = new CacheAware();
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302 CacheAware listenerRepeated = new CacheAware();
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303 ServiceRegistration updateServiceReg = ServiceHelper.registerServiceWReg(ICacheUpdateAware.class, "default",
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305 assertNotNull(updateServiceReg);
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307 // Register another service for the same caches, this
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308 // should not get any update because we don't allow to
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309 // override the existing unless before unregistered
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310 ServiceRegistration updateServiceRegRepeated = ServiceHelper.registerServiceWReg(ICacheUpdateAware.class,
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312 listenerRepeated, props);
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313 assertNotNull(updateServiceRegRepeated);
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314 CountDownLatch res = null;
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315 List<Update> ups = null;
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317 Integer k1 = new Integer(10);
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318 Long k2 = new Long(100L);
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320 /***********************/
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321 /* CREATE NEW KEY CASE */
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322 /***********************/
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323 // Start monitoring the updates
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324 res = listener.restart(2);
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325 // modify the cache
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326 cm11.put(k1, "foo");
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328 res.await(100L, TimeUnit.SECONDS);
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329 // Analyze the updates
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330 ups = listener.getUpdates();
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331 assertTrue(ups.size() == 2);
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332 // Validate that first we get an update (yes even in case of a
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333 // new value added)
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335 assertTrue(up.t.equals(UpdateType.CHANGED));
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336 assertTrue(up.key.equals(k1));
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337 assertTrue(up.value.equals("foo"));
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338 assertTrue(up.cacheName.equals(cache1));
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339 // Validate that we then get a create
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341 assertTrue(up.t.equals(UpdateType.ADDED));
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342 assertTrue(up.key.equals(k1));
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343 assertNull(up.value);
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344 assertTrue(up.cacheName.equals(cache1));
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346 /*******************************/
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347 /* UPDATE AN EXISTING KEY CASE */
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348 /*******************************/
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349 // Start monitoring the updates
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350 res = listener.restart(1);
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351 // modify the cache
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352 cm11.put(k1, "baz");
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354 res.await(100L, TimeUnit.SECONDS);
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355 // Analyze the updates
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356 ups = listener.getUpdates();
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357 assertTrue(ups.size() == 1);
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358 // Validate we get an update with expect fields
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360 assertTrue(up.t.equals(UpdateType.CHANGED));
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361 assertTrue(up.key.equals(k1));
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362 assertTrue(up.value.equals("baz"));
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363 assertTrue(up.cacheName.equals(cache1));
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365 /********************************/
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366 /* REMOVAL OF EXISTING KEY CASE */
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367 /********************************/
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368 // Start monitoring the updates
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369 res = listener.restart(1);
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370 // modify the cache
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373 res.await(100L, TimeUnit.SECONDS);
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374 // Analyze the updates
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375 ups = listener.getUpdates();
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376 assertTrue(ups.size() == 1);
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377 // Validate we get a delete with expected fields
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379 assertTrue(up.t.equals(UpdateType.REMOVED));
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380 assertTrue(up.key.equals(k1));
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381 assertNull(up.value);
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382 assertTrue(up.cacheName.equals(cache1));
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384 /***********************/
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385 /* CREATE NEW KEY CASE */
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386 /***********************/
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387 // Start monitoring the updates
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388 res = listener.restart(2);
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389 // modify the cache
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390 cm12.put(k2, new Short((short)15));
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392 res.await(100L, TimeUnit.SECONDS);
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393 // Analyze the updates
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394 ups = listener.getUpdates();
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395 assertTrue(ups.size() == 2);
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396 // Validate that first we get an update (yes even in case of a
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397 // new value added)
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399 assertTrue(up.t.equals(UpdateType.CHANGED));
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400 assertTrue(up.key.equals(k2));
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401 assertTrue(up.value.equals(new Short((short)15)));
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402 assertTrue(up.cacheName.equals(cache2));
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403 // Validate that we then get a create
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405 assertTrue(up.t.equals(UpdateType.ADDED));
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406 assertTrue(up.key.equals(k2));
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407 assertNull(up.value);
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408 assertTrue(up.cacheName.equals(cache2));
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410 /*******************************/
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411 /* UPDATE AN EXISTING KEY CASE */
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412 /*******************************/
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413 // Start monitoring the updates
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414 res = listener.restart(1);
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415 // modify the cache
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416 cm12.put(k2, "BAZ");
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418 res.await(100L, TimeUnit.SECONDS);
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419 // Analyze the updates
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420 ups = listener.getUpdates();
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421 assertTrue(ups.size() == 1);
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422 // Validate we get an update with expect fields
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424 assertTrue(up.t.equals(UpdateType.CHANGED));
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425 assertTrue(up.key.equals(k2));
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426 assertTrue(up.value.equals("BAZ"));
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427 assertTrue(up.cacheName.equals(cache2));
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429 /********************************/
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430 /* REMOVAL OF EXISTING KEY CASE */
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431 /********************************/
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432 // Start monitoring the updates
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433 res = listener.restart(1);
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434 // modify the cache
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437 res.await(100L, TimeUnit.SECONDS);
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438 // Analyze the updates
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439 ups = listener.getUpdates();
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440 assertTrue(ups.size() == 1);
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441 // Validate we get a delete with expected fields
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443 assertTrue(up.t.equals(UpdateType.REMOVED));
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444 assertTrue(up.key.equals(k2));
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445 assertNull(up.value);
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446 assertTrue(up.cacheName.equals(cache2));
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448 /******************************************************************/
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449 /* NOW LETS REMOVE THE REGISTRATION AND MAKE SURE NO UPDATS COMES */
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450 /******************************************************************/
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451 updateServiceReg.unregister();
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452 // Start monitoring the updates, noone should come in
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453 res = listener.restart(1);
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455 /***********************/
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456 /* CREATE NEW KEY CASE */
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457 /***********************/
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458 // modify the cache
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459 cm11.put(k1, "foo");
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461 /*******************************/
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462 /* UPDATE AN EXISTING KEY CASE */
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463 /*******************************/
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464 // modify the cache
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465 cm11.put(k1, "baz");
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467 /********************************/
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468 /* REMOVAL OF EXISTING KEY CASE */
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469 /********************************/
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470 // modify the cache
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473 /***********************/
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474 /* CREATE NEW KEY CASE */
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475 /***********************/
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476 // modify the cache
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477 cm12.put(k2, new Short((short)15));
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479 /*******************************/
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480 /* UPDATE AN EXISTING KEY CASE */
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481 /*******************************/
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482 // modify the cache
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483 cm12.put(k2, "BAZ");
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485 /********************************/
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486 /* REMOVAL OF EXISTING KEY CASE */
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487 /********************************/
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488 // modify the cache
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492 // Wait to make sure no updates came in, clearly this is
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493 // error prone as logic, but cannot find a better way than
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494 // this to make sure updates didn't get in
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495 res.await(1L, TimeUnit.SECONDS);
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496 // Analyze the updates
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497 ups = listener.getUpdates();
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498 assertTrue(ups.size() == 0);
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502 /***********************************/
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503 /* Testing cacheAware in Global */
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504 /***********************************/
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505 Dictionary<String, Object> props = new Hashtable<String, Object>();
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506 Set<String> propSet = new HashSet<String>();
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507 propSet.add(cache3);
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508 props.put("cachenames", propSet);
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509 CacheAware listener = new CacheAware();
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510 ServiceRegistration updateServiceReg = ServiceHelper.registerGlobalServiceWReg(ICacheUpdateAware.class,
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512 assertNotNull(updateServiceReg);
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514 CountDownLatch res = null;
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515 List<Update> ups = null;
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517 Integer k1 = new Integer(10);
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519 /***********************/
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520 /* CREATE NEW KEY CASE */
\r
521 /***********************/
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522 // Start monitoring the updates
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523 res = listener.restart(2);
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524 // modify the cache
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525 cm23.put(k1, "foo");
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527 res.await(100L, TimeUnit.SECONDS);
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528 // Analyze the updates
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529 ups = listener.getUpdates();
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530 assertTrue(ups.size() == 2);
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531 // Validate that first we get an update (yes even in case of a
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532 // new value added)
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534 assertTrue(up.t.equals(UpdateType.CHANGED));
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535 assertTrue(up.key.equals(k1));
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536 assertTrue(up.value.equals("foo"));
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537 assertTrue(up.cacheName.equals(cache3));
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538 // Validate that we then get a create
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540 assertTrue(up.t.equals(UpdateType.ADDED));
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541 assertTrue(up.key.equals(k1));
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542 assertNull(up.value);
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543 assertTrue(up.cacheName.equals(cache3));
\r
545 /*******************************/
\r
546 /* UPDATE AN EXISTING KEY CASE */
\r
547 /*******************************/
\r
548 // Start monitoring the updates
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549 res = listener.restart(1);
\r
550 // modify the cache
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551 cm23.put(k1, "baz");
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553 res.await(100L, TimeUnit.SECONDS);
\r
554 // Analyze the updates
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555 ups = listener.getUpdates();
\r
556 assertTrue(ups.size() == 1);
\r
557 // Validate we get an update with expect fields
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559 assertTrue(up.t.equals(UpdateType.CHANGED));
\r
560 assertTrue(up.key.equals(k1));
\r
561 assertTrue(up.value.equals("baz"));
\r
562 assertTrue(up.cacheName.equals(cache3));
\r
564 /********************************/
\r
565 /* REMOVAL OF EXISTING KEY CASE */
\r
566 /********************************/
\r
567 // Start monitoring the updates
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568 res = listener.restart(1);
\r
569 // modify the cache
\r
572 res.await(100L, TimeUnit.SECONDS);
\r
573 // Analyze the updates
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574 ups = listener.getUpdates();
\r
575 assertTrue(ups.size() == 1);
\r
576 // Validate we get a delete with expected fields
\r
578 assertTrue(up.t.equals(UpdateType.REMOVED));
\r
579 assertTrue(up.key.equals(k1));
\r
580 assertNull(up.value);
\r
581 assertTrue(up.cacheName.equals(cache3));
\r
583 /******************************************************************/
\r
584 /* NOW LETS REMOVE THE REGISTRATION AND MAKE SURE NO UPDATS COMES */
\r
585 /******************************************************************/
\r
586 updateServiceReg.unregister();
\r
587 // Start monitoring the updates, noone should come in
\r
588 res = listener.restart(1);
\r
590 /***********************/
\r
591 /* CREATE NEW KEY CASE */
\r
592 /***********************/
\r
593 // modify the cache
\r
594 cm23.put(k1, "foo");
\r
596 /*******************************/
\r
597 /* UPDATE AN EXISTING KEY CASE */
\r
598 /*******************************/
\r
599 // modify the cache
\r
600 cm23.put(k1, "baz");
\r
602 /********************************/
\r
603 /* REMOVAL OF EXISTING KEY CASE */
\r
604 /********************************/
\r
605 // modify the cache
\r
608 // Wait to make sure no updates came in, clearly this is
\r
609 // error prone as logic, but cannot find a better way than
\r
610 // this to make sure updates didn't get in
\r
611 res.await(1L, TimeUnit.SECONDS);
\r
612 // Analyze the updates
\r
613 ups = listener.getUpdates();
\r
614 assertTrue(ups.size() == 0);
\r
617 InetAddress addr = this.clusterDefaultServices.getMyAddress();
\r
618 assertNotNull(addr);
\r
620 List<InetAddress> addrList = this.clusterDefaultServices
\r
621 .getClusteredControllers();
\r
623 this.clusterDefaultServices.destroyCache(cache1);
\r
624 assertFalse(this.clusterDefaultServices.existCache(cache1));
\r
627 private class Update {
\r
633 Update (UpdateType t, Object key, Object value, String cacheName) {
\r
636 this.value = value;
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637 this.cacheName = cacheName;
\r
641 private class CacheAware implements ICacheUpdateAware {
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642 private CopyOnWriteArrayList<Update> gotUpdates;
\r
643 private CountDownLatch latch = null;
\r
646 this.gotUpdates = new CopyOnWriteArrayList<Update>();
\r
651 * Restart the monitor of the updates on the CacheAware object
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653 * @param expectedOperations Number of expected updates
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655 * @return a countdown latch which will be used to wait till the updates are done
\r
657 CountDownLatch restart(int expectedOperations) {
\r
658 this.gotUpdates.clear();
\r
659 this.latch = new CountDownLatch(expectedOperations);
\r
663 List<Update> getUpdates() {
\r
664 return this.gotUpdates;
\r
668 public void entryCreated(Object key, String cacheName, boolean originLocal) {
\r
669 log.debug("CACHE[{}] Got an entry created for key:{}", cacheName, key);
\r
670 Update u = new Update(UpdateType.ADDED, key, null, cacheName);
\r
671 this.gotUpdates.add(u);
\r
672 this.latch.countDown();
\r
676 public void entryUpdated(Object key, Object newValue, String cacheName, boolean originLocal) {
\r
677 log.debug("CACHE[{}] Got an entry updated for key:{} newValue:{}", cacheName, key, newValue);
\r
678 Update u = new Update(UpdateType.CHANGED, key, newValue, cacheName);
\r
679 this.gotUpdates.add(u);
\r
680 this.latch.countDown();
\r
684 public void entryDeleted(Object key, String cacheName, boolean originLocal) {
\r
685 log.debug("CACHE[{}] Got an entry delete for key:{}", cacheName, key);
\r
686 Update u = new Update(UpdateType.REMOVED, key, null, cacheName);
\r
687 this.gotUpdates.add(u);
\r
688 this.latch.countDown();
\r