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A quick developing framewort for internet company
/**
* Copyright (C) 2016 - 2030 youtongluan.
*
* 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 org.yx.rpc.client;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.DelayQueue;
import java.util.concurrent.Delayed;
import java.util.concurrent.TimeUnit;
import org.yx.exception.SumkException;
import org.yx.log.Log;
import org.yx.rpc.server.Response;
import org.yx.util.Task;
public final class LockHolder {
private static final ConcurrentMap locks = new ConcurrentHashMap<>();
static final LockTimeoutMonitor monitor = new LockTimeoutMonitor();
static {
Task.scheduleAtFixedRate(monitor, 1000, 500);
}
static void register(RpcLocker r, long endTime) {
Req req = r.req;
if (locks.putIfAbsent(req.getSn(), r) != null) {
throw new SumkException(-111111111, req.getSn() + " duplicate!!!!!!!!!!!!!!!!!!!!!");
}
monitor.add(req.getSn(), endTime);
}
static void unLockAndSetResult(Response resp) {
RpcLocker r = locks.remove(resp.sn());
if (r == null) {
Log.get("sumk.rpc.client").debug("{} has been removed.maybe is timeout.result:{}", resp.sn(), resp.json());
return;
}
RpcResult result = new RpcResult(resp.json(), resp.exception());
r.wakeupAndLog(result);
}
static RpcLocker remove(String sn) {
return locks.remove(sn);
}
static boolean containsKey(String sn) {
return locks.containsKey(sn);
}
public static int lockSize() {
return locks.size();
}
private static class LockTimeoutMonitor implements Runnable {
private static final DelayQueue QUEUE = new DelayQueue<>();
@Override
public void run() {
try {
DelayedObject delay;
while ((delay = QUEUE.poll()) != null) {
RpcLocker locker = LockHolder.remove(delay.sn);
if (locker != null) {
locker.wakeupAndLog(RpcResult.timeout(locker.req));
}
}
} catch (Exception e) {
Log.printStack("sumk.error", e);
return;
}
}
void add(String reqId, long endTime) {
QUEUE.add(new DelayedObject(reqId, endTime));
}
}
private static class DelayedObject implements Delayed {
private final long endTime;
final String sn;
public DelayedObject(String sn, long endTime) {
this.endTime = endTime;
this.sn = sn;
}
@Override
public long getDelay(TimeUnit unit) {
return unit.convert(endTime - System.currentTimeMillis(), TimeUnit.MILLISECONDS);
}
@Override
public int compareTo(Delayed other) {
long d = other instanceof DelayedObject ? this.endTime - ((DelayedObject) other).endTime
: this.getDelay(TimeUnit.MILLISECONDS) - other.getDelay(TimeUnit.MILLISECONDS);
return (d == 0) ? 0 : ((d < 0) ? -1 : 1);
}
}
}
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