| /* |
| * 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 java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.cache.Operation; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.RoleEvent; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.distributed.Role; |
| import org.apache.geode.distributed.internal.membership.InternalRole; |
| import org.apache.geode.internal.serialization.DeserializationContext; |
| import org.apache.geode.internal.serialization.SerializationContext; |
| |
| /** |
| * Implementation of a RoleEvent. Super class is DataSerializable but this class is probably never |
| * on the wire, however, it does support it. |
| * |
| * @since GemFire 5.0 |
| */ |
| public class RoleEventImpl extends RegionEventImpl implements RoleEvent { |
| |
| private static final long serialVersionUID = 1306615015229258945L; |
| |
| private Set requiredRoles; |
| |
| /** |
| * Zero-argument constructor required by DataSerializable. |
| */ |
| public RoleEventImpl() {} |
| |
| /** |
| * Constructs new RoleEventImpl. |
| * |
| * @param requiredRoles set of required roles that are affected by this event |
| */ |
| RoleEventImpl(Region region, Operation op, Object callbackArgument, boolean originRemote, |
| DistributedMember distributedMember, Set requiredRoles) { |
| super(region, op, callbackArgument, originRemote, distributedMember); |
| this.requiredRoles = Collections.unmodifiableSet(requiredRoles); |
| } |
| |
| @Override |
| public Set getRequiredRoles() { |
| return this.requiredRoles; // already unmodifiableSet |
| } |
| |
| @Override |
| public int getDSFID() { |
| return ROLE_EVENT; |
| } |
| |
| @Override |
| public void toData(DataOutput out, |
| SerializationContext context) throws IOException { |
| super.toData(out, context); |
| String[] requiredRoleNames = new String[this.requiredRoles.size()]; |
| Iterator iter = this.requiredRoles.iterator(); |
| for (int i = 0; i < requiredRoleNames.length; i++) { |
| Role role = (Role) iter.next(); |
| requiredRoleNames[i] = role.getName(); |
| } |
| DataSerializer.writeStringArray(requiredRoleNames, out); |
| } |
| |
| @Override |
| public void fromData(DataInput in, |
| DeserializationContext context) throws IOException, ClassNotFoundException { |
| super.fromData(in, context); |
| String[] requiredRoleNames = DataSerializer.readStringArray(in); |
| Set requiredRolesSet = new HashSet(requiredRoleNames.length); |
| for (int i = 0; i < requiredRoleNames.length; i++) { |
| Role role = InternalRole.getRole(requiredRoleNames[i]); |
| requiredRolesSet.add(role); |
| } |
| this.requiredRoles = Collections.unmodifiableSet(requiredRolesSet); |
| } |
| |
| } |