Java WatchRegistration类代码示例

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
/** Convenience ctor */
Packet(RequestHeader requestHeader, ReplyHeader replyHeader,
       Record request, Record response,
       WatchRegistration watchRegistration) {
    this(requestHeader, replyHeader, request, response,
         watchRegistration, false);
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
public ReplyHeader submitRequest(RequestHeader h, Record request,
        Record response, WatchRegistration watchRegistration)
        throws InterruptedException {
    ReplyHeader r = new ReplyHeader();
    //客户端和服务器之间进行网络传输的最小通信单位
    Packet packet = queuePacket(h, r, request, response, null, null, null,
                null, watchRegistration);
    synchronized (packet) {
        while (!packet.finished) {
            packet.wait();
        }
    }
    return r;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
        Record response, AsyncCallback cb, String clientPath,
        String serverPath, Object ctx, WatchRegistration watchRegistration)
{
    Packet packet = null;

    // Note that we do not generate the Xid for the packet yet. It is
    // generated later at send-time, by an implementation of ClientCnxnSocket::doIO(),
    // where the packet is actually sent.
    synchronized (outgoingQueue) {
        packet = new Packet(h, r, request, response, watchRegistration);
        packet.cb = cb;
        packet.ctx = ctx;
        packet.clientPath = clientPath;
        packet.serverPath = serverPath;
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            //放入发送队列中，等待客户端发送
            //Line1159:SendThread.run clientCnxnSocket.doTransport
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().wakeupCnxn();
    return packet;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
public ReplyHeader submitRequest(RequestHeader h, Record request,
        Record response, WatchRegistration watchRegistration,
        WatchDeregistration watchDeregistration)
        throws InterruptedException {
    ReplyHeader r = new ReplyHeader();
    Packet packet = queuePacket(h, r, request, response, null, null, null,
            null, watchRegistration, watchDeregistration);
    synchronized (packet) {
        while (!packet.finished) {
            packet.wait();
        }
    }
    return r;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
public Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
        Record response, AsyncCallback cb, String clientPath,
        String serverPath, Object ctx, WatchRegistration watchRegistration,
        WatchDeregistration watchDeregistration) {
    Packet packet = null;

    // Note that we do not generate the Xid for the packet yet. It is
    // generated later at send-time, by an implementation of ClientCnxnSocket::doIO(),
    // where the packet is actually sent.
    packet = new Packet(h, r, request, response, watchRegistration);
    packet.cb = cb;
    packet.ctx = ctx;
    packet.clientPath = clientPath;
    packet.serverPath = serverPath;
    packet.watchDeregistration = watchDeregistration;
    // The synchronized block here is for two purpose:
    // 1. synchronize with the final cleanup() in SendThread.run() to avoid race
    // 2. synchronized against each packet. So if a closeSession packet is added,
    // later packet will be notified.
    synchronized (state) {
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().packetAdded();
    return packet;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
public ReplyHeader submitRequest(RequestHeader h, Record request,
        Record response, WatchRegistration watchRegistration)
        throws InterruptedException {
    ReplyHeader r = new ReplyHeader();
    Packet packet = queuePacket(h, r, request, response, null, null, null,
                null, watchRegistration);
    synchronized (packet) {
        while (!packet.finished) {
            packet.wait();
        }
    }
    return r;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
        Record response, AsyncCallback cb, String clientPath,
        String serverPath, Object ctx, WatchRegistration watchRegistration)
{
    Packet packet = null;

    // Note that we do not generate the Xid for the packet yet. It is
    // generated later at send-time, by an implementation of ClientCnxnSocket::doIO(),
    // where the packet is actually sent.
    synchronized (outgoingQueue) {
        packet = new Packet(h, r, request, response, watchRegistration);
        packet.cb = cb;
        packet.ctx = ctx;
        packet.clientPath = clientPath;
        packet.serverPath = serverPath;
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().wakeupCnxn();
    return packet;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
        Record response, AsyncCallback cb, String clientPath,
        String serverPath, Object ctx, WatchRegistration watchRegistration)
{
    Packet packet = null;
    synchronized (outgoingQueue) {
        if (h.getType() != OpCode.ping && h.getType() != OpCode.auth) {
            h.setXid(getXid());
        }
        packet = new Packet(h, r, request, response, watchRegistration);
        packet.cb = cb;
        packet.ctx = ctx;
        packet.clientPath = clientPath;
        packet.serverPath = serverPath;
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().wakeupCnxn();
    return packet;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
/**
 * Convenience ctor
 */
Packet(RequestHeader requestHeader, ReplyHeader replyHeader,
       Record request, Record response,
       WatchRegistration watchRegistration) {
    this(requestHeader, replyHeader, request, response,
            watchRegistration, false);
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
public ReplyHeader submitRequest(RequestHeader h, Record request,
                                 Record response, WatchRegistration watchRegistration)
        throws InterruptedException {
    ReplyHeader r = new ReplyHeader();
    Packet packet = queuePacket(h, r, request, response, null, null, null,
            null, watchRegistration);
    synchronized (packet) {
        while (!packet.finished) {
            packet.wait();
        }
    }
    return r;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
                   Record response, AsyncCallback cb, String clientPath,
                   String serverPath, Object ctx, WatchRegistration watchRegistration) {
    Packet packet = null;

    // Note that we do not generate the Xid for the packet yet. It is
    // generated later at send-time, by an implementation of ClientCnxnSocket::doIO(),
    // where the packet is actually sent.
    synchronized (outgoingQueue) {
        packet = new Packet(h, r, request, response, watchRegistration);
        packet.cb = cb;
        packet.ctx = ctx;
        packet.clientPath = clientPath;
        packet.serverPath = serverPath;
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().wakeupCnxn();
    return packet;
}
 

import org.apache.zookeeper.ZooKeeper.WatchRegistration; //导入依赖的package包/类
Packet queuePacket(RequestHeader h, ReplyHeader r, Record request,
        Record response, AsyncCallback cb, String clientPath,
        String serverPath, Object ctx, WatchRegistration watchRegistration,
        WatchDeregistration watchDeregistration) {
    Packet packet = null;

    // Note that we do not generate the Xid for the packet yet. It is
    // generated later at send-time, by an implementation of ClientCnxnSocket::doIO(),
    // where the packet is actually sent.
    packet = new Packet(h, r, request, response, watchRegistration);
    packet.cb = cb;
    packet.ctx = ctx;
    packet.clientPath = clientPath;
    packet.serverPath = serverPath;
    packet.watchDeregistration = watchDeregistration;
    // The synchronized block here is for two purpose:
    // 1. synchronize with the final cleanup() in SendThread.run() to avoid race
    // 2. synchronized against each packet. So if a closeSession packet is added,
    // later packet will be notified.
    synchronized (state) {
        if (!state.isAlive() || closing) {
            conLossPacket(packet);
        } else {
            // If the client is asking to close the session then
            // mark as closing
            if (h.getType() == OpCode.closeSession) {
                closing = true;
            }
            outgoingQueue.add(packet);
        }
    }
    sendThread.getClientCnxnSocket().packetAdded();
    return packet;
}