org.apache.flink.runtime.io.network.metrics.CreditBasedInputBuffersUsageGauge Maven / Gradle / Ivy
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* to you under the Apache License, Version 2.0 (the
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.flink.runtime.io.network.metrics;
import org.apache.flink.runtime.io.network.partition.consumer.SingleInputGate;
import static org.apache.flink.util.Preconditions.checkNotNull;
/**
* Gauge metric measuring the input buffers usage for {@link SingleInputGate}s under credit based mode.
*/
public class CreditBasedInputBuffersUsageGauge extends AbstractBuffersUsageGauge {
private final FloatingBuffersUsageGauge floatingBuffersUsageGauge;
private final ExclusiveBuffersUsageGauge exclusiveBuffersUsageGauge;
public CreditBasedInputBuffersUsageGauge(
FloatingBuffersUsageGauge floatingBuffersUsageGauge,
ExclusiveBuffersUsageGauge exclusiveBuffersUsageGauge,
SingleInputGate[] inputGates) {
super(checkNotNull(inputGates));
this.floatingBuffersUsageGauge = checkNotNull(floatingBuffersUsageGauge);
this.exclusiveBuffersUsageGauge = checkNotNull(exclusiveBuffersUsageGauge);
}
@Override
public int calculateUsedBuffers(SingleInputGate inputGate) {
return floatingBuffersUsageGauge.calculateUsedBuffers(inputGate) + exclusiveBuffersUsageGauge.calculateUsedBuffers(inputGate);
}
@Override
public int calculateTotalBuffers(SingleInputGate inputGate) {
return floatingBuffersUsageGauge.calculateTotalBuffers(inputGate) + exclusiveBuffersUsageGauge.calculateTotalBuffers(inputGate);
}
}