ReplicatorStats.java

/**
 * Copyright 2016 Yahoo Inc.
 *
 * 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.yahoo.pulsar.common.policies.data;

import static com.google.common.base.Preconditions.checkNotNull;

public class ReplicatorStats {

    /** Total rate of messages received from the remote cluster. msg/s */
    public double msgRateIn;

    /** Total throughput received from the remote cluster. bytes/s */
    public double msgThroughputIn;

    /** Total rate of messages delivered to the replication-subscriber. msg/s */
    public double msgRateOut;

    /** Total throughput delivered to the replication-subscriber. bytes/s */
    public double msgThroughputOut;

    /** Total rate of messages expired. msg/s */
    public double msgRateExpired;

    /** Number of messages pending to be replicated to remote cluster */
    public long replicationBacklog;

    /** is the replication-subscriber up and running to replicate to remote cluster */
    public boolean connected;

    /** Time in seconds from the time a message was produced to the time when it is about to be replicated */
    public long replicationDelayInSeconds;

    /** Address of incoming replication connection */
    public String inboundConnection;

    /** Timestamp of incoming connection establishment time */
    public String inboundConnectedSince;

    /** Address of outbound replication connection */
    public String outboundConnection;

    /** Timestamp of outbound connection establishment time */
    public String outboundConnectedSince;

    public ReplicatorStats add(ReplicatorStats stats) {
        checkNotNull(stats);
        this.msgRateIn += stats.msgRateIn;
        this.msgThroughputIn += stats.msgThroughputIn;
        this.msgRateOut += stats.msgRateOut;
        this.msgThroughputOut += stats.msgThroughputOut;
        this.msgRateExpired += stats.msgRateExpired;
        this.replicationBacklog += stats.replicationBacklog;
        this.connected &= stats.connected;
        this.replicationDelayInSeconds = Math.max(this.replicationDelayInSeconds, stats.replicationDelayInSeconds);
        return this;
    }
}