org.apache.nifi.reporting.sql.processorstatus

Class ProcessorStatusEnumerator

java.lang.Object

org.apache.nifi.reporting.sql.processorstatus.ProcessorStatusEnumerator

All Implemented Interfaces:

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

public class ProcessorStatusEnumerator
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 int[]	fields
private Deque<Iterator<ProcessGroupStatus>>	iteratorBreadcrumb
private ComponentLog	logger
private Iterator<ProcessorStatus>	processorStatusIterator
private int	recordsRead

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	close()
Object	current()
private Object	filterColumns(ProcessorStatus status)
private ProcessorStatus	getNextProcessorStatus()
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

iteratorBreadcrumb

private Deque<Iterator<ProcessGroupStatus>> iteratorBreadcrumb

processorStatusIterator

private Iterator<ProcessorStatus> processorStatusIterator

currentRow

private Object currentRow

recordsRead

private int recordsRead

Constructor Detail

ProcessorStatusEnumerator

public ProcessorStatusEnumerator(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(ProcessorStatus status)

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>

getNextProcessorStatus

private ProcessorStatus getNextProcessorStatus()