/*
* 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.sirona.tomee.agent.gauge;
import org.apache.openejb.util.reflection.Reflections;
import org.apache.sirona.Role;
import org.apache.sirona.counters.Unit;
import org.apache.sirona.gauges.Gauge;
import org.apache.sirona.tomee.agent.Reflection;
import java.beans.Introspector;
public class PoolGauge implements Gauge, Reflection {
private final Object stats;
private final Role role;
private final String aggregate;
public PoolGauge(final String name, final Object stats, final String target) {
this.stats = stats;
this.role = new Role("tomee-pool-stateless-" + Introspector.decapitalize(target.substring(3)) + "-" + name, Unit.UNARY);
this.aggregate = target;
}
@Override
public Role role() {
return role;
}
@Override
public double value() {
return Number.class.cast(Reflections.invokeByReflection(stats, aggregate, NO_PARAM_TYPES, NO_PARAM)).doubleValue();
}
}