org.apache.nifi.reporting.sql.metrics

Class JvmMetricsEnumerator

java.lang.Object

org.apache.nifi.reporting.sql.metrics.JvmMetricsEnumerator

All Implemented Interfaces:

AutoCloseable, org.apache.calcite.linq4j.Enumerator<Object>

public class JvmMetricsEnumerator
extends Object
implements org.apache.calcite.linq4j.Enumerator<Object>

Field Summary

Fields

Modifier and Type	Field and Description
private ReportingContext	context
private Object	currentRow
private boolean	fetchMetrics
private int[]	fields
private ComponentLog	logger
private org.apache.nifi.metrics.jvm.JvmMetrics	virtualMachineMetrics

Constructor Summary

Constructors

Constructor and Description
JvmMetricsEnumerator(ReportingContext context, ComponentLog logger, int[] fields)

Method Summary

Modifier and Type	Method and Description
void	close()
Object	current()
private Object	filterColumns(org.apache.nifi.metrics.jvm.JvmMetrics metrics)
protected int	getRecordsRead()
boolean	moveNext()
protected void	onFinish()
void	reset()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

context

private final ReportingContext context

logger

private final ComponentLog logger

fields

private final int[] fields

virtualMachineMetrics

private volatile org.apache.nifi.metrics.jvm.JvmMetrics virtualMachineMetrics

currentRow

private Object currentRow

fetchMetrics

private boolean fetchMetrics

Constructor Detail

JvmMetricsEnumerator

public JvmMetricsEnumerator(ReportingContext context,
                            ComponentLog logger,
                            int[] fields)

Method Detail

current

public Object current()

Specified by:

current in interface org.apache.calcite.linq4j.Enumerator<Object>

moveNext

public boolean moveNext()

Specified by:

moveNext in interface org.apache.calcite.linq4j.Enumerator<Object>

getRecordsRead

protected int getRecordsRead()

onFinish

protected void onFinish()

filterColumns

private Object filterColumns(org.apache.nifi.metrics.jvm.JvmMetrics metrics)

reset

public void reset()

Specified by:

reset in interface org.apache.calcite.linq4j.Enumerator<Object>

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface org.apache.calcite.linq4j.Enumerator<Object>