com.groupon.lex.metrics.history.v2.tables

Class ReadonlyTableFile

java.lang.Object

com.groupon.lex.metrics.history.xdr.support.SequenceTSData

com.groupon.lex.metrics.history.v2.tables.ReadonlyTableFile

All Implemented Interfaces:

CollectHistory, TSData, Iterable<TimeSeriesCollection>, Collection<TimeSeriesCollection>

public class ReadonlyTableFile
extends SequenceTSData

Nested Class Summary

Nested classes/interfaces inherited from interface com.groupon.lex.metrics.history.CollectHistory

CollectHistory.ApplyExpressions, CollectHistory.NamedEvaluation

Constructor Summary

Constructors

Constructor and Description
ReadonlyTableFile(GCCloseable<FileChannel> file)

Method Summary

Modifier and Type	Method and Description
boolean	add(TimeSeriesCollection tsv)
boolean	canAddSingleRecord() Returns true if the file is suitable for adding single records at a time.
Optional<GCCloseable<FileChannel>>	getFileChannel() Return the file channel used to read this file, if it is uses a file descriptor.
short	getMajor() Returns the major version of the TSData file.
short	getMinor() Returns the minor version of the TSData file.
com.groupon.lex.metrics.lib.sequence.ObjectSequence<TimeSeriesCollection>	getSequence()
boolean	isOptimized() Returns true if the file is optimized for access by (GroupPath, Tags, MetricName) tuple.

Methods inherited from class com.groupon.lex.metrics.history.xdr.support.SequenceTSData

contains, containsAll, isEmpty, iterator, parallelStream, size, spliterator, stream, stream, stream, streamReversed, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.groupon.lex.metrics.history.TSData

addAll, clear, getBegin, getEnd, getFileSize, readonly, remove, removeAll, removeIf, retainAll

Methods inherited from interface java.util.Collection

equals, hashCode

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface com.groupon.lex.metrics.history.CollectHistory

evaluate, evaluate, evaluate, getContext, getContext, getContext, stream, stream, stream

Constructor Detail

ReadonlyTableFile

public ReadonlyTableFile(GCCloseable<FileChannel> file)
                  throws IOException,
                         org.acplt.oncrpc.OncRpcException

Throws:

IOException

org.acplt.oncrpc.OncRpcException

Method Detail

add

public boolean add(TimeSeriesCollection tsv)

getSequence

public com.groupon.lex.metrics.lib.sequence.ObjectSequence<TimeSeriesCollection> getSequence()

Specified by:

getSequence in class SequenceTSData

getMajor

public short getMajor()

Description copied from interface: TSData

Returns the major version of the TSData file. Note that this is the file-data version, not the application version.

getMinor

public short getMinor()

Description copied from interface: TSData

Returns the minor version of the TSData file. Note that this is the file-data version, not the application version.

canAddSingleRecord

public boolean canAddSingleRecord()

Description copied from interface: TSData

Returns true if the file is suitable for adding single records at a time.

isOptimized

public boolean isOptimized()

Description copied from interface: TSData

Returns true if the file is optimized for access by (GroupPath, Tags, MetricName) tuple.

getFileChannel

public Optional<GCCloseable<FileChannel>> getFileChannel()

Description copied from interface: TSData

Return the file channel used to read this file, if it is uses a file descriptor. Returns Optional.empty() for memory mapped files.