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Gauge.java
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Gauge.java
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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.flink.metrics;
import org.apache.flink.annotation.PublicEvolving;
/**
* A Gauge is a {@link org.apache.flink.metrics.Metric} that calculates a specific value at a point in time.
*/
@PublicEvolving
public abstract class Gauge<T> implements Metric {
/**
* Calculates and returns the measured value.
*
* @return calculated value
*/
public abstract T getValue();
}