/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.hadoop.hbase.client;
import java.io.IOException;
import java.util.concurrent.CompletableFuture;
import io.netty.util.HashedWheelTimer;
import org.apache.hadoop.hbase.ServerName;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.ipc.HBaseRpcController;
import org.apache.hadoop.hbase.shaded.protobuf.generated.AdminProtos.AdminService;
@InterfaceAudience.Private
public class AsyncAdminRequestRetryingCaller<T> extends AsyncRpcRetryingCaller<T> {
@FunctionalInterface
public interface Callable<T> {
CompletableFuture<T> call(HBaseRpcController controller, AdminService.Interface stub);
}
private final Callable<T> callable;
private ServerName serverName;
public AsyncAdminRequestRetryingCaller(HashedWheelTimer retryTimer, AsyncConnectionImpl conn,
long pauseNs, int maxAttempts, long operationTimeoutNs, long rpcTimeoutNs,
int startLogErrorsCnt, ServerName serverName, Callable<T> callable) {
super(retryTimer, conn, pauseNs, maxAttempts, operationTimeoutNs, rpcTimeoutNs,
startLogErrorsCnt);
this.serverName = serverName;
this.callable = callable;
}
@Override
protected void doCall() {
AdminService.Interface adminStub;
try {
adminStub = this.conn.getAdminStub(serverName);
} catch (IOException e) {
onError(e, () -> "Get async admin stub to " + serverName + " failed", err -> {
});
return;
}
resetCallTimeout();
callable.call(controller, adminStub).whenComplete((result, error) -> {
if (error != null) {
onError(error, () -> "Call to admin stub failed", err -> {
});
return;
}
future.complete(result);
});
}
CompletableFuture<T> call() {
doCall();
return future;
}
}