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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.
*/
package org.apache.phoenix.monitoring.connectionqueryservice;
import static org.apache.phoenix.monitoring.MetricType.OPEN_INTERNAL_PHOENIX_CONNECTIONS_COUNTER;
import static org.apache.phoenix.monitoring.MetricType.OPEN_PHOENIX_CONNECTIONS_COUNTER;
import static org.apache.phoenix.monitoring.MetricType.PHOENIX_CONNECTIONS_THROTTLED_COUNTER;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.phoenix.monitoring.ConnectionQueryServicesMetric;
import org.apache.phoenix.monitoring.ConnectionQueryServicesMetricImpl;
import org.apache.phoenix.monitoring.MetricType;
/**
* Class for Connection Query Service Metrics.
*/
public class ConnectionQueryServicesMetrics {
/**
* List Metrics tracked in Connection Query Service Metrics
*/
public enum QueryServiceMetrics {
CONNECTION_QUERY_SERVICE_OPEN_PHOENIX_CONNECTIONS_COUNTER(OPEN_PHOENIX_CONNECTIONS_COUNTER),
CONNECTION_QUERY_SERVICE_OPEN_INTERNAL_PHOENIX_CONNECTIONS_COUNTER(
OPEN_INTERNAL_PHOENIX_CONNECTIONS_COUNTER),
CONNECTION_QUERY_SERVICE_PHOENIX_CONNECTIONS_THROTTLED_COUNTER(
PHOENIX_CONNECTIONS_THROTTLED_COUNTER);
private MetricType metricType;
private ConnectionQueryServicesMetric metric;
QueryServiceMetrics(MetricType metricType) {
this.metricType = metricType;
}
}
private final String connectionQueryServiceName;
private Map metricRegister;
private ConnectionQueryServicesMetricsHistograms connectionQueryServiceMetricsHistograms;
public ConnectionQueryServicesMetrics(final String connectionQueryServiceName,
Configuration conf) {
this.connectionQueryServiceName = connectionQueryServiceName;
metricRegister = new HashMap<>();
for (QueryServiceMetrics connectionQueryServiceMetric
: QueryServiceMetrics.values()) {
connectionQueryServiceMetric.metric =
new ConnectionQueryServicesMetricImpl(connectionQueryServiceMetric.metricType);
metricRegister.put(connectionQueryServiceMetric.metricType,
connectionQueryServiceMetric.metric);
}
connectionQueryServiceMetricsHistograms =
new ConnectionQueryServicesMetricsHistograms(connectionQueryServiceName, conf);
}
/**
* This function is used to update the value of Metric
* In case of counter val will be passed as 1.
*
* @param type metric type
* @param val update value. In case of counters, this will be 1
*/
public void setMetricValue(MetricType type, long val) {
if (!metricRegister.containsKey(type)) {
return;
}
ConnectionQueryServicesMetric metric = metricRegister.get(type);
metric.set(val);
}
/**
* This function is used to get the value of Metric.
*
* @param type metric type
* @return val current value of metric.
*/
public long getMetricValue(MetricType type) {
if (!metricRegister.containsKey(type)) {
return 0;
}
ConnectionQueryServicesMetric metric = metricRegister.get(type);
return metric.getValue();
}
public String getConnectionQueryServiceName() {
return connectionQueryServiceName;
}
/**
* This method is called to aggregate all the Metrics across all Connection Query Service.
*
* @return map of Connection Query Service name -> list of ConnectionQueryServicesMetric.
*/
public List getAllMetrics() {
return new ArrayList<>(metricRegister.values());
}
public ConnectionQueryServicesMetricsHistograms getConnectionQueryServiceHistograms() {
return connectionQueryServiceMetricsHistograms;
}
}
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