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jdk.jfr.internal.dcmd

public final Class QueryRecording

Class Inheritance

extends Object
implements AutoCloseable

java.lang.Object
jdk.jfr.internal.dcmd.QueryRecording

All Implemented Interfaces

java.lang.AutoCloseable

Imports

java.io.IOException, java.time.Duration, .Instant, java.util.List, .ListIterator, jdk.jfr.FlightRecorder, jdk.jfr.consumer.EventStream, jdk.jfr.internal.PlatformRecorder, .PrivateAccess, .RepositoryChunk, jdk.jfr.internal.query.Configuration, .Configuration.Truncate, jdk.jfr.internal.util.UserDataException

Helper class that holds recording chunks alive during a query. It also helps out with configuration shared by DCmdView and DCmdQuery

Field Summary

Modifier and Type	Field and Description
private final List<RepositoryChunk>	chunks
private final long	DEFAULT_MAX_AGE
private final long	DEFAULT_MAX_SIZE
private final Instant	endTime
private final EventStream	eventStream
private final PlatformRecorder	recorder

Constructor Summary

Access	Constructor and Description
public	QueryRecording(Instant startTime, Instant endTime)
public	QueryRecording(Configuration configuration, ArgumentParser parser)

Method Summary

Modifier and Type	Method and Description
private List<RepositoryChunk>	acquireChunks(Instant startTime)
public void	close() Implements java.lang.AutoCloseable.close. Closes this resource, relinquishing any underlying resources.
private RepositoryChunk	currentChunk()
private Instant	determineStreamStart(Long maxSize, Instant startTime)
public EventStream	getStream()
private EventStream	makeStream(Instant startTime)
private void	releaseChunks()
private Configuration.Truncate	valueOf(String truncate)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

chunks	back to summary
private final List<RepositoryChunk> chunks

DEFAULT_MAX_AGE	back to summary
private final long DEFAULT_MAX_AGE

DEFAULT_MAX_SIZE	back to summary
private final long DEFAULT_MAX_SIZE

endTime	back to summary
private final Instant endTime

eventStream	back to summary
private final EventStream eventStream

recorder	back to summary
private final PlatformRecorder recorder

Constructor Detail

QueryRecording	back to summary
public QueryRecording(Instant startTime, Instant endTime) throws IOException

QueryRecording	back to summary
public QueryRecording(Configuration configuration, ArgumentParser parser) throws IOException, DCmdException, UserDataException

Method Detail

acquireChunks	back to summary
private List<RepositoryChunk> acquireChunks(Instant startTime)

close back to summary

public void close()

Implements java.lang.AutoCloseable.close.

Doc from java.lang.AutoCloseable.close.

Closes this resource, relinquishing any underlying resources. This method is invoked automatically on objects managed by the try-with-resources statement.

Annotations

@Override

currentChunk	back to summary
private RepositoryChunk currentChunk()

determineStreamStart	back to summary
private Instant determineStreamStart(Long maxSize, Instant startTime)

getStream	back to summary
public EventStream getStream()

makeStream	back to summary
private EventStream makeStream(Instant startTime) throws IOException

releaseChunks	back to summary
private void releaseChunks()

valueOf	back to summary
private Configuration.Truncate valueOf(String truncate) throws DCmdException