org.apache.flink.runtime.io.network.metrics.InputBuffersGauge Maven / Gradle / Ivy
/*
* 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.runtime.io.network.metrics;
import org.apache.flink.metrics.Gauge;
import org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate;
/**
* Gauge metric measuring the number of queued input buffers for {@link SingleInputGate}s.
*/
public class InputBuffersGauge implements Gauge {
private final SingleInputGate[] inputGates;
public InputBuffersGauge(SingleInputGate[] inputGates) {
this.inputGates = inputGates;
}
@Override
public Integer getValue() {
int totalBuffers = 0;
for (SingleInputGate inputGate : inputGates) {
totalBuffers += inputGate.getNumberOfQueuedBuffers();
}
return totalBuffers;
}
}