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Passing the metrics nameFactory from Origin

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The DefaultNameFactory which implement the MetricNameFactory responsible
for the metrics names.

They are imported from Origin and placed under urchin package.

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
This commit is contained in:
Amnon Heiman 2015-06-11 11:48:36 +03:00
parent aaae78c2c7
commit 5eba35e439
2 changed files with 109 additions and 0 deletions
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72
src/main/java/com/cloudius/urchin/metrics/DefaultNameFactory.java Normal file
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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.
*/
/*
* Copyright 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
package com.cloudius.urchin.metrics;
import com.yammer.metrics.core.MetricName;
/**
* MetricNameFactory that generates default MetricName of metrics.
*/
public class DefaultNameFactory implements MetricNameFactory {
public static final String GROUP_NAME = "org.apache.cassandra.metrics";
private final String type;
private final String scope;
public DefaultNameFactory(String type) {
this(type, null);
}
public DefaultNameFactory(String type, String scope) {
this.type = type;
this.scope = scope;
}
public MetricName createMetricName(String metricName) {
return createMetricName(type, metricName, scope);
}
public static MetricName createMetricName(String type, String metricName,
String scope) {
return new MetricName(GROUP_NAME, type, metricName, scope,
createDefaultMBeanName(type, metricName, scope));
}
protected static String createDefaultMBeanName(String type, String name,
String scope) {
final StringBuilder nameBuilder = new StringBuilder();
nameBuilder.append(GROUP_NAME);
nameBuilder.append(":type=");
nameBuilder.append(type);
if (scope != null) {
nameBuilder.append(",scope=");
nameBuilder.append(scope);
}
if (name.length() > 0) {
nameBuilder.append(",name=");
nameBuilder.append(name);
}
return nameBuilder.toString();
}
}

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src/main/java/com/cloudius/urchin/metrics/MetricNameFactory.java Normal file
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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.
*/
/*
* Copyright 2015 Cloudius Systems
*
* Modified by Cloudius Systems
*/
package com.cloudius.urchin.metrics;
import com.yammer.metrics.core.MetricName;
public interface MetricNameFactory
{
/**
* Create a qualified name from given metric name.
*
* @param metricName part of qualified name.
* @return new String with given metric name.
*/
MetricName createMetricName(String metricName);
}