request-pool-service.h

Go to the documentation of this file.

// Copyright 2014 Cloudera 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.

#ifndef IMPALA_SCHEDULING_REQUEST_POOL_SERVICE_H
#define IMPALA_SCHEDULING_REQUEST_POOL_SERVICE_H

#include <jni.h>

#include "gen-cpp/ImpalaInternalService.h"
#include "common/status.h"
#include "util/collection-metrics.h"

namespace impala {

class RequestPoolService {
 public:
  RequestPoolService(MetricGroup* metrics);

  Status ResolveRequestPool(const std::string& requested_pool_name,
      const std::string& user, TResolveRequestPoolResult* resolved_pool);

  Status GetPoolConfig(const std::string& pool_name, TPoolConfigResult* pool_config);

 private:
  MetricGroup* metrics_;

  StatsMetric<double>* resolve_pool_ms_metric_;

  bool default_pool_only_;

  int64_t default_pool_mem_limit_;

  jclass request_pool_service_class_;
  jobject request_pool_service_;
  jmethodID resolve_request_pool_id_;  // RequestPoolService.resolveRequestPool()
  jmethodID get_pool_config_id_;  // RequestPoolService.getPoolConfig()
  jmethodID ctor_;
};

}

#endif