/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.cluster.client;
import com.hazelcast.client.ClientEndpoint;
import com.hazelcast.client.impl.client.CallableClientRequest;
import com.hazelcast.client.impl.client.ClientPortableHook;
import com.hazelcast.client.impl.client.RetryableRequest;
import com.hazelcast.cluster.MemberAttributeOperationType;
import com.hazelcast.cluster.impl.ClusterServiceImpl;
import com.hazelcast.core.MemberAttributeEvent;
import com.hazelcast.core.MembershipEvent;
import com.hazelcast.core.MembershipListener;
import com.hazelcast.instance.MemberImpl;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.impl.SerializableCollection;
import java.security.Permission;
import java.util.ArrayList;
import java.util.Collection;
public final class AddMembershipListenerRequest extends CallableClientRequest implements RetryableRequest {
public AddMembershipListenerRequest() {
}
@Override
public Object call() throws Exception {
ClusterServiceImpl service = getService();
ClientEndpoint endpoint = getEndpoint();
String registrationId = service.addMembershipListener(new MembershipListenerImpl(endpoint));
String name = ClusterServiceImpl.SERVICE_NAME;
endpoint.setListenerRegistration(name, name, registrationId);
Collection<MemberImpl> memberList = service.getMemberList();
Collection<Data> response = new ArrayList<Data>(memberList.size());
for (MemberImpl member : memberList) {
response.add(serializationService.toData(member));
}
return new SerializableCollection(response);
}
@Override
public String getServiceName() {
return ClusterServiceImpl.SERVICE_NAME;
}
@Override
public int getFactoryId() {
return ClientPortableHook.ID;
}
@Override
public int getClassId() {
return ClientPortableHook.MEMBERSHIP_LISTENER;
}
@Override
public Permission getRequiredPermission() {
return null;
}
private class MembershipListenerImpl implements MembershipListener {
private final ClientEndpoint endpoint;
public MembershipListenerImpl(ClientEndpoint endpoint) {
this.endpoint = endpoint;
}
@Override
public void memberAdded(MembershipEvent membershipEvent) {
if (!endpoint.isAlive()) {
return;
}
MemberImpl member = (MemberImpl) membershipEvent.getMember();
endpoint.sendEvent(new ClientMembershipEvent(member, MembershipEvent.MEMBER_ADDED), getCallId());
}
@Override
public void memberRemoved(MembershipEvent membershipEvent) {
if (!endpoint.isAlive()) {
return;
}
MemberImpl member = (MemberImpl) membershipEvent.getMember();
endpoint.sendEvent(new ClientMembershipEvent(member, MembershipEvent.MEMBER_REMOVED), getCallId());
}
@Override
public void memberAttributeChanged(MemberAttributeEvent memberAttributeEvent) {
if (!endpoint.isAlive()) {
return;
}
MemberImpl member = (MemberImpl) memberAttributeEvent.getMember();
String uuid = member.getUuid();
MemberAttributeOperationType op = memberAttributeEvent.getOperationType();
String key = memberAttributeEvent.getKey();
Object value = memberAttributeEvent.getValue();
MemberAttributeChange memberAttributeChange = new MemberAttributeChange(uuid, op, key, value);
endpoint.sendEvent(new ClientMembershipEvent(member, memberAttributeChange), getCallId());
}
}
}