63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.cassandra.metrics;
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import javax.management.MalformedObjectNameException;
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import javax.management.ObjectName;
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/**
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* MetricNameFactory that generates default MetricName of metrics.
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*/
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public class DefaultNameFactory implements MetricNameFactory {
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public static final String GROUP_NAME = "org.apache.cassandra.metrics";
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private final String type;
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private final String scope;
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public DefaultNameFactory(String type) {
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this(type, null);
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}
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public DefaultNameFactory(String type, String scope) {
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this.type = type;
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this.scope = scope;
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}
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@Override
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public ObjectName createMetricName(String metricName) throws MalformedObjectNameException {
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return createMetricName(type, metricName, scope);
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}
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public static ObjectName createMetricName(String type, String name, String scope)
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throws MalformedObjectNameException {
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StringBuilder nameBuilder = new StringBuilder();
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nameBuilder.append(GROUP_NAME);
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nameBuilder.append(":type=");
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nameBuilder.append(type);
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if (scope != null) {
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nameBuilder.append(",scope=");
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nameBuilder.append(scope);
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}
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if (name.length() > 0) {
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nameBuilder.append(",name=");
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nameBuilder.append(name);
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}
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return new ObjectName(nameBuilder.toString());
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}
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}
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