/*
* 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.beam.sdk.metrics;
import org.apache.beam.sdk.annotations.Experimental;
/**
* A metric that reports the latest value out of reported values.
*
* <p>Since metrics are collected from many workers the value may not be the absolute last,
* but one of the latest values.</p>
*/
@Experimental(Experimental.Kind.METRICS)
public interface Gauge extends Metric {
/** Set current value for this gauge. */
void set(long value);
}