/*
* Copyright 2017 NAVER Corp.
*
* 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 com.navercorp.pinpoint.profiler.context.id;
import com.google.inject.Inject;
/**
* @author HyunGil Jeong
*/
public class DefaultTransactionCounter implements TransactionCounter {
private final IdGenerator idGenerator;
@Inject
public DefaultTransactionCounter(IdGenerator idGenerator) {
if (idGenerator == null) {
throw new NullPointerException("idGenerator cannot be null");
}
this.idGenerator = idGenerator;
}
@Override
public long getSampledNewCount() {
return idGenerator.currentTransactionId() - AtomicIdGenerator.INITIAL_TRANSACTION_ID;
}
@Override
public long getSampledContinuationCount() {
return Math.abs(idGenerator.currentContinuedTransactionId() - AtomicIdGenerator.INITIAL_CONTINUED_TRANSACTION_ID) / AtomicIdGenerator.DECREMENT_CYCLE;
}
@Override
public long getUnSampledNewCount() {
return Math.abs(idGenerator.currentDisabledId() - AtomicIdGenerator.INITIAL_DISABLED_ID) / AtomicIdGenerator.DECREMENT_CYCLE;
}
@Override
public long getUnSampledContinuationCount() {
return Math.abs(idGenerator.currentContinuedDisabledId() - AtomicIdGenerator.INITIAL_CONTINUED_DISABLED_ID) / AtomicIdGenerator.DECREMENT_CYCLE;
}
@Override
public long getTotalTransactionCount() {
long count = getSampledNewCount();
count += getSampledContinuationCount();
count += getUnSampledNewCount();
count += getUnSampledContinuationCount();
return count;
}
}