org.apache.nifi.provenance

Class AsyncQuerySubmission

java.lang.Object

org.apache.nifi.provenance.AsyncQuerySubmission

All Implemented Interfaces:

QuerySubmission

public class AsyncQuerySubmission
extends Object
implements QuerySubmission

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	canceled
private Query	query
private List<Future<?>>	queryExecutions
private StandardQueryResult	queryResult
private Date	submissionTime
private String	submitterId
static int	TTL

Constructor Summary

Constructors

Constructor and Description
AsyncQuerySubmission(Query query, int numSteps, String submitterId) Constructs an AsyncQuerySubmission with the given query and the given number of steps, indicating how many results must be added to this AsyncQuerySubmission before it is considered finished

Method Summary

Modifier and Type	Method and Description
void	addQueryExecution(Future<?> execution)
void	cancel()
Query	getQuery()
String	getQueryIdentifier()
StandardQueryResult	getResult()
Date	getSubmissionTime()
String	getSubmitterIdentity()
boolean	isCanceled()

Methods inherited from class java.lang.Object

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

Field Detail

TTL

public static final int TTL

submissionTime

private final Date submissionTime

query

private final Query query

canceled

private volatile boolean canceled

queryResult

private final StandardQueryResult queryResult

submitterId

private final String submitterId

queryExecutions

private final List<Future<?>> queryExecutions

Constructor Detail

AsyncQuerySubmission

public AsyncQuerySubmission(Query query,
                            int numSteps,
                            String submitterId)

Constructs an AsyncQuerySubmission with the given query and the given number of steps, indicating how many results must be added to this AsyncQuerySubmission before it is considered finished

Parameters:

query - the query to execute

numSteps - how many steps to include

Method Detail

getSubmitterIdentity

public String getSubmitterIdentity()

Specified by:

getSubmitterIdentity in interface QuerySubmission

getSubmissionTime

public Date getSubmissionTime()

Specified by:

getSubmissionTime in interface QuerySubmission

getQueryIdentifier

public String getQueryIdentifier()

Specified by:

getQueryIdentifier in interface QuerySubmission

cancel

public void cancel()

Specified by:

cancel in interface QuerySubmission

isCanceled

public boolean isCanceled()

Specified by:

isCanceled in interface QuerySubmission

getQuery

public Query getQuery()

Specified by:

getQuery in interface QuerySubmission

getResult

public StandardQueryResult getResult()

Specified by:

getResult in interface QuerySubmission

addQueryExecution

public void addQueryExecution(Future<?> execution)