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rocksdb/thrift/lib/cpp/test/loadgen/OpEnabledState.h

78 lines
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/*
* 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.
*/
#ifndef THRIFT_TEST_LOADGEN_OPENABLEDSTATE_H_
#define THRIFT_TEST_LOADGEN_OPENABLEDSTATE_H_ 1
#include <vector>
namespace apache { namespace thrift { namespace loadgen {
/**
* This class tracks a boolean for each operation type, to tell if an operation
* is enabled or not.
*
* This is mainly intended to be used by Monitor implementations, so they can
* avoid monitoring (or at least printing) information for operations that are
* disabled.
*/
class OpEnabledState {
public:
OpEnabledState(uint32_t numOpTypes) {
enabled_.resize(numOpTypes, true);
}
void setEnabled(uint32_t opType, bool enabled) {
assert(opType < enabled_.size());
enabled_[opType] = enabled;
}
void setAllOpsEnabled(bool enabled) {
for (std::vector<bool>::iterator it = enabled_.begin();
it != enabled_.end();
++it) {
*it = enabled;
}
}
bool isEnabled(uint32_t opType) const {
assert(opType < enabled_.size());
return enabled_[opType];
}
uint32_t getNumEnabled() const {
uint32_t num = 0;
for (std::vector<bool>::const_iterator it = enabled_.begin();
it != enabled_.end();
++it) {
if (*it) {
++num;
}
}
return num;
}
private:
std::vector<bool> enabled_;
};
}}} // apache::thrift::loadgen
#endif // THRIFT_TEST_LOADGEN_OPENABLEDSTATE_H_