Rename CapabilityControl to AccountLimits

The class no longer controls capabilities. It now only provides
limits over server resources consumed during a request.

Change-Id: I70408bd5dda68b05502c4ece989b60f55793a8dd

gerrit-pgm/src/main/java/com/google/gerrit/pgm/http/jetty/ProjectQoSFilter.java

@@ -20,7 +20,7 @@ import static java.util.concurrent.TimeUnit.MINUTES;
 import static javax.servlet.http.HttpServletResponse.SC_SERVICE_UNAVAILABLE;
 
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.gerrit.server.git.QueueProvider;
 import com.google.gerrit.server.git.WorkQueue.CancelableRunnable;
@@ -78,7 +78,7 @@ public class ProjectQoSFilter implements Filter {
     }
   }
 
-  private final CapabilityControl.Factory capabilityFactory;
+  private final AccountLimits.Factory limitsFactory;
   private final Provider<CurrentUser> user;
   private final QueueProvider queue;
   private final ServletContext context;
@@ -86,12 +86,12 @@ public class ProjectQoSFilter implements Filter {
 
   @Inject
   ProjectQoSFilter(
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Provider<CurrentUser> user,
       QueueProvider queue,
       ServletContext context,
       @GerritServerConfig Config cfg) {
-    this.capabilityFactory = capabilityFactory;
+    this.limitsFactory = limitsFactory;
     this.user = user;
     this.queue = queue;
     this.context = context;
@@ -138,7 +138,7 @@ public class ProjectQoSFilter implements Filter {
   }
 
   private ScheduledThreadPoolExecutor getExecutor() {
-    QueueProvider.QueueType qt = capabilityFactory.create(user.get()).getQueueType();
+    QueueProvider.QueueType qt = limitsFactory.create(user.get()).getQueueType();
     return queue.getQueue(qt);
   }
 

gerrit-server/src/main/java/com/google/gerrit/server/account/AccountLimits.java

@@ -26,8 +26,8 @@ import com.google.inject.Singleton;
 import java.util.ArrayList;
 import java.util.List;
 
-/** Access control management for server-wide capabilities. */
-public class CapabilityControl {
+/** Limits which QoS a user runs as, and how many search results it can request. */
+public class AccountLimits {
   @Singleton
   public static class Factory {
     private final ProjectCache projectCache;
@@ -37,15 +37,15 @@ public class CapabilityControl {
       this.projectCache = projectCache;
     }
 
-    public CapabilityControl create(CurrentUser user) {
-      return new CapabilityControl(projectCache, user);
+    public AccountLimits create(CurrentUser user) {
+      return new AccountLimits(projectCache, user);
     }
   }
 
   private final CapabilityCollection capabilities;
   private final CurrentUser user;
 
-  private CapabilityControl(ProjectCache projectCache, CurrentUser currentUser) {
+  private AccountLimits(ProjectCache projectCache, CurrentUser currentUser) {
     capabilities = projectCache.getAllProjects().getCapabilityCollection();
     user = currentUser;
   }

gerrit-server/src/main/java/com/google/gerrit/server/account/GetCapabilities.java

@@ -56,18 +56,18 @@ class GetCapabilities implements RestReadView<AccountResource> {
   private Set<String> query;
 
   private final PermissionBackend permissionBackend;
-  private final CapabilityControl.Factory capabilityFactory;
+  private final AccountLimits.Factory limitsFactory;
   private final Provider<CurrentUser> self;
   private final DynamicMap<CapabilityDefinition> pluginCapabilities;
 
   @Inject
   GetCapabilities(
       PermissionBackend permissionBackend,
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Provider<CurrentUser> self,
       DynamicMap<CapabilityDefinition> pluginCapabilities) {
     this.permissionBackend = permissionBackend;
-    this.capabilityFactory = capabilityFactory;
+    this.limitsFactory = limitsFactory;
     this.self = self;
     this.pluginCapabilities = pluginCapabilities;
   }
@@ -85,9 +85,9 @@ class GetCapabilities implements RestReadView<AccountResource> {
       have.put(p.permissionName(), true);
     }
 
-    CapabilityControl cc = capabilityFactory.create(rsrc.getUser());
-    addRanges(have, cc);
-    addPriority(have, cc);
+    AccountLimits limits = limitsFactory.create(rsrc.getUser());
+    addRanges(have, limits);
+    addPriority(have, limits);
 
     return OutputFormat.JSON
         .newGson()
@@ -117,16 +117,16 @@ class GetCapabilities implements RestReadView<AccountResource> {
     return query == null || query.contains(name.toLowerCase());
   }
 
-  private void addRanges(Map<String, Object> have, CapabilityControl cc) {
+  private void addRanges(Map<String, Object> have, AccountLimits limits) {
     for (String name : GlobalCapability.getRangeNames()) {
-      if (want(name) && cc.hasExplicitRange(name)) {
-        have.put(name, new Range(cc.getRange(name)));
+      if (want(name) && limits.hasExplicitRange(name)) {
+        have.put(name, new Range(limits.getRange(name)));
       }
     }
   }
 
-  private void addPriority(Map<String, Object> have, CapabilityControl cc) {
-    QueueProvider.QueueType queue = cc.getQueueType();
+  private void addPriority(Map<String, Object> have, AccountLimits limits) {
+    QueueProvider.QueueType queue = limits.getQueueType();
     if (queue != QueueProvider.QueueType.INTERACTIVE
         || (query != null && query.contains(PRIORITY))) {
       have.put(PRIORITY, queue);

gerrit-server/src/main/java/com/google/gerrit/server/git/ReceiveConfig.java

@@ -17,7 +17,7 @@ package com.google.gerrit.server.git;
 import static com.google.gerrit.common.data.GlobalCapability.BATCH_CHANGES_LIMIT;
 
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.config.GerritServerConfig;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
@@ -29,22 +29,22 @@ class ReceiveConfig {
   final boolean checkReferencedObjectsAreReachable;
   final boolean allowDrafts;
   private final int systemMaxBatchChanges;
-  private final CapabilityControl.Factory capabilityFactory;
+  private final AccountLimits.Factory limitsFactory;
 
   @Inject
-  ReceiveConfig(@GerritServerConfig Config config, CapabilityControl.Factory capabilityFactory) {
+  ReceiveConfig(@GerritServerConfig Config config, AccountLimits.Factory limitsFactory) {
     checkMagicRefs = config.getBoolean("receive", null, "checkMagicRefs", true);
     checkReferencedObjectsAreReachable =
         config.getBoolean("receive", null, "checkReferencedObjectsAreReachable", true);
     allowDrafts = config.getBoolean("change", null, "allowDrafts", true);
     systemMaxBatchChanges = config.getInt("receive", "maxBatchChanges", 0);
-    this.capabilityFactory = capabilityFactory;
+    this.limitsFactory = limitsFactory;
   }
 
   public int getEffectiveMaxBatchChangesLimit(CurrentUser user) {
-    CapabilityControl cap = capabilityFactory.create(user);
-    if (cap.hasExplicitRange(BATCH_CHANGES_LIMIT)) {
-      return cap.getRange(BATCH_CHANGES_LIMIT).getMax();
+    AccountLimits limits = limitsFactory.create(user);
+    if (limits.hasExplicitRange(BATCH_CHANGES_LIMIT)) {
+      return limits.getRange(BATCH_CHANGES_LIMIT).getMax();
     }
     return systemMaxBatchChanges;
   }

gerrit-server/src/main/java/com/google/gerrit/server/project/ProjectState.java

@@ -120,7 +120,7 @@ public class ProjectState {
       final GitRepositoryManager gitMgr,
       final RulesCache rulesCache,
       final List<CommentLinkInfo> commentLinks,
-      final CapabilityCollection.Factory capabilityFactory,
+      final CapabilityCollection.Factory limitsFactory,
       @Assisted final ProjectConfig config) {
     this.sitePaths = sitePaths;
     this.projectCache = projectCache;
@@ -136,7 +136,7 @@ public class ProjectState {
     this.configs = new HashMap<>();
     this.capabilities =
         isAllProjects
-            ? capabilityFactory.create(config.getAccessSection(AccessSection.GLOBAL_CAPABILITIES))
+            ? limitsFactory.create(config.getAccessSection(AccessSection.GLOBAL_CAPABILITIES))
             : null;
 
     if (isAllProjects && !Permission.canBeOnAllProjects(AccessSection.ALL, Permission.OWNER)) {

gerrit-server/src/main/java/com/google/gerrit/server/query/QueryProcessor.java

@@ -24,7 +24,7 @@ import com.google.gerrit.metrics.Field;
 import com.google.gerrit.metrics.MetricMaker;
 import com.google.gerrit.metrics.Timer1;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.index.Index;
 import com.google.gerrit.server.index.IndexCollection;
 import com.google.gerrit.server.index.IndexConfig;
@@ -62,7 +62,7 @@ public abstract class QueryProcessor<T> {
 
   protected final Provider<CurrentUser> userProvider;
 
-  private final CapabilityControl.Factory capabilityFactory;
+  private final AccountLimits.Factory limitsFactory;
   private final Metrics metrics;
   private final SchemaDefinitions<T> schemaDef;
   private final IndexConfig indexConfig;
@@ -78,7 +78,7 @@ public abstract class QueryProcessor<T> {
 
   protected QueryProcessor(
       Provider<CurrentUser> userProvider,
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Metrics metrics,
       SchemaDefinitions<T> schemaDef,
       IndexConfig indexConfig,
@@ -86,7 +86,7 @@ public abstract class QueryProcessor<T> {
       IndexRewriter<T> rewriter,
       String limitField) {
     this.userProvider = userProvider;
-    this.capabilityFactory = capabilityFactory;
+    this.limitsFactory = limitsFactory;
     this.metrics = metrics;
     this.schemaDef = schemaDef;
     this.indexConfig = indexConfig;
@@ -235,7 +235,7 @@ public abstract class QueryProcessor<T> {
 
   private int getPermittedLimit() {
     if (enforceVisibility) {
-      return capabilityFactory
+      return limitsFactory
           .create(userProvider.get())
           .getRange(GlobalCapability.QUERY_LIMIT)
           .getMax();

gerrit-server/src/main/java/com/google/gerrit/server/query/account/AccountQueryProcessor.java

@@ -19,8 +19,8 @@ import static com.google.gerrit.server.query.account.AccountQueryBuilder.FIELD_L
 
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.account.AccountControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.account.AccountState;
-import com.google.gerrit.server.account.CapabilityControl;
 import com.google.gerrit.server.index.IndexConfig;
 import com.google.gerrit.server.index.IndexPredicate;
 import com.google.gerrit.server.index.account.AccountIndexCollection;
@@ -45,7 +45,7 @@ public class AccountQueryProcessor extends QueryProcessor<AccountState> {
   @Inject
   protected AccountQueryProcessor(
       Provider<CurrentUser> userProvider,
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Metrics metrics,
       IndexConfig indexConfig,
       AccountIndexCollection indexes,
@@ -53,7 +53,7 @@ public class AccountQueryProcessor extends QueryProcessor<AccountState> {
       AccountControl.Factory accountControlFactory) {
     super(
         userProvider,
-        capabilityFactory,
+        limitsFactory,
         metrics,
         AccountSchemaDefinitions.INSTANCE,
         indexConfig,

gerrit-server/src/main/java/com/google/gerrit/server/query/change/ChangeQueryProcessor.java

@@ -21,7 +21,7 @@ import com.google.gerrit.extensions.common.PluginDefinedInfo;
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.index.IndexConfig;
 import com.google.gerrit.server.index.IndexPredicate;
 import com.google.gerrit.server.index.QueryOptions;
@@ -66,7 +66,7 @@ public class ChangeQueryProcessor extends QueryProcessor<ChangeData>
   @Inject
   ChangeQueryProcessor(
       Provider<CurrentUser> userProvider,
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Metrics metrics,
       IndexConfig indexConfig,
       ChangeIndexCollection indexes,
@@ -77,7 +77,7 @@ public class ChangeQueryProcessor extends QueryProcessor<ChangeData>
       DynamicMap<ChangeAttributeFactory> attributeFactories) {
     super(
         userProvider,
-        capabilityFactory,
+        limitsFactory,
         metrics,
         ChangeSchemaDefinitions.INSTANCE,
         indexConfig,

gerrit-server/src/main/java/com/google/gerrit/server/query/group/GroupQueryProcessor.java

@@ -19,7 +19,7 @@ import static com.google.gerrit.server.query.group.GroupQueryBuilder.FIELD_LIMIT
 
 import com.google.gerrit.reviewdb.client.AccountGroup;
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.account.GroupControl;
 import com.google.gerrit.server.index.IndexConfig;
 import com.google.gerrit.server.index.IndexPredicate;
@@ -45,7 +45,7 @@ public class GroupQueryProcessor extends QueryProcessor<AccountGroup> {
   @Inject
   protected GroupQueryProcessor(
       Provider<CurrentUser> userProvider,
-      CapabilityControl.Factory capabilityFactory,
+      AccountLimits.Factory limitsFactory,
       Metrics metrics,
       IndexConfig indexConfig,
       GroupIndexCollection indexes,
@@ -53,7 +53,7 @@ public class GroupQueryProcessor extends QueryProcessor<AccountGroup> {
       GroupControl.GenericFactory groupControlFactory) {
     super(
         userProvider,
-        capabilityFactory,
+        limitsFactory,
         metrics,
         GroupSchemaDefinitions.INSTANCE,
         indexConfig,

gerrit-sshd/src/main/java/com/google/gerrit/sshd/CommandExecutorProvider.java

@@ -15,27 +15,27 @@
 package com.google.gerrit.sshd;
 
 import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.account.CapabilityControl;
+import com.google.gerrit.server.account.AccountLimits;
 import com.google.gerrit.server.git.QueueProvider;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import java.util.concurrent.ScheduledThreadPoolExecutor;
 
 class CommandExecutorProvider implements Provider<ScheduledThreadPoolExecutor> {
-  private final CapabilityControl.Factory capabilityFactory;
+  private final AccountLimits.Factory limitsFactory;
   private final QueueProvider queues;
   private final CurrentUser user;
 
   @Inject
   CommandExecutorProvider(
-      CapabilityControl.Factory capabilityFactory, QueueProvider queues, CurrentUser user) {
-    this.capabilityFactory = capabilityFactory;
+      AccountLimits.Factory limitsFactory, QueueProvider queues, CurrentUser user) {
+    this.limitsFactory = limitsFactory;
     this.queues = queues;
     this.user = user;
   }
 
   @Override
   public ScheduledThreadPoolExecutor get() {
-    return queues.getQueue(capabilityFactory.create(user).getQueueType());
+    return queues.getQueue(limitsFactory.create(user).getQueueType());
   }
 }