src/java/org/apache/cassandra/io/sstable/GaugeProvider.java

/*
 * 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.cassandra.io.sstable;

import com.codahale.metrics.Gauge;
import org.apache.cassandra.db.ColumnFamilyStore;
import org.apache.cassandra.db.Keyspace;

public abstract class GaugeProvider<T extends Number>
{
    public final String name;

    public GaugeProvider(String name)
    {
        this.name = name;
    }

    public abstract Gauge<T> getTableGauge(ColumnFamilyStore cfs);

    public abstract Gauge<T> getKeyspaceGauge(Keyspace keyspace);

    public abstract Gauge<T> getGlobalGauge();
}