com.hazelcast.client.spi.impl.listener.ClientEventRegistration Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2019, 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.client.spi.impl.listener;
import com.hazelcast.client.spi.impl.ListenerMessageCodec;
import com.hazelcast.nio.Connection;
import static com.hazelcast.util.Preconditions.isNotNull;
/**
* Keeps the information related to to an event registration made by clients.
*/
public class ClientEventRegistration {
private Connection subscriber;
private final String serverRegistrationId;
private final long callId;
private final ListenerMessageCodec codec;
public ClientEventRegistration(String serverRegistrationId, long callId, Connection subscriber, ListenerMessageCodec codec) {
isNotNull(serverRegistrationId, "serverRegistrationId");
this.serverRegistrationId = serverRegistrationId;
this.callId = callId;
this.subscriber = subscriber;
this.codec = codec;
}
/**
* Alias registration ID is same as registration ID in the beginning. If listener had to be re-registered
* new registration ID is stored as server registration ID.
* When user try to remove the listener with registration ID, related server registration is send to
* subscribed member to remove the listener.
*
* @return server registration ID
*/
public String getServerRegistrationId() {
return serverRegistrationId;
}
/**
* This is used when removing the listener.
* Note: Listeners need to be removed from the member that they are first subscribed.
*
* @return subscriber
*/
public Connection getSubscriber() {
return subscriber;
}
/**
* Call ID of first event registration request
*
* @return call ID
*/
public long getCallId() {
return callId;
}
public ListenerMessageCodec getCodec() {
return codec;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ClientEventRegistration that = (ClientEventRegistration) o;
return serverRegistrationId.equals(that.serverRegistrationId);
}
@Override
public int hashCode() {
return serverRegistrationId.hashCode();
}
}