MessageKey.java

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package com.netease.nimlib.sdk.msg.model;

import com.netease.nimlib.biz.constant.ITalkService;
import com.netease.nimlib.push.packet.marshal.Property;
import com.netease.nimlib.sdk.msg.constant.SessionTypeEnum;
import com.netease.nimlib.util.StringUtil;

import java.io.Serializable;

/**
 * 消息的关键信息，通过这些信息可以从服务端查询到该消息的完整部分
 * @see ITalkService.Tag
 *
 * @author chenjili
 * @date 2020/3/31
 */
public class MessageKey implements Serializable {
    private final SessionTypeEnum sessionType;
    private final String fromAccount;
    private final String toAccount;
    private final long time;
    private final long serverId;
    private final String uuid;

    public MessageKey(SessionTypeEnum sessionType, String fromAccount, String toAccount, long time, long serverId, String uuid) {
        this.sessionType = sessionType;
        this.fromAccount = fromAccount;
        this.toAccount = toAccount;
        this.time = time;
        this.serverId = serverId;
        this.uuid = uuid;
    }

    public MessageKey(Property property) {
        this.sessionType = SessionTypeEnum.typeOfValue(property.getInteger(ITalkService.Tag.ReceiverType));
        this.fromAccount = property.get(ITalkService.Tag.fromAccount);
        this.toAccount = property.get(ITalkService.Tag.ReceiverAccount);
        this.time = property.getLong(ITalkService.Tag.time);
        this.serverId = property.getLong(ITalkService.Tag.msgid_server);
        this.uuid = property.get(ITalkService.Tag.msgid_client);
    }

    public SessionTypeEnum getSessionType() {
        return sessionType;
    }

    public String getFromAccount() {
        return fromAccount;
    }

    public String getToAccount() {
        return toAccount;
    }

    public long getTime() {
        return time;
    }

    public long getServerId() {
        return serverId;
    }

    public String getUuid() {
        return uuid;
    }

    public boolean isValid() {
        if (sessionType != SessionTypeEnum.P2P && sessionType != SessionTypeEnum.Team && sessionType != SessionTypeEnum.SUPER_TEAM) {
            return false;
        }
        if (fromAccount == null) {
            return false;
        }
        if (toAccount == null) {
            return false;
        }
        if (time <= 0) {
            return false;
        }
        if (serverId < 0) {
            return false;
        }
        if (StringUtil.isEmpty(uuid)) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "MessageKey{" +
                "sessionType=" + sessionType +
                ", fromAccount='" + fromAccount + '\'' +
                ", toAccount='" + toAccount + '\'' +
                ", time=" + time +
                ", serverId=" + serverId +
                ", uuid='" + uuid + '\'' +
                '}';
    }
}