idx int64 0 41.2k | question stringlengths 73 5.81k | target stringlengths 5 918 |
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18,700 | public void channelInactive ( ChannelHandlerContext ctx ) { Status status = Status . UNAVAILABLE . withDescription ( "Connection closed while performing protocol negotiation for " + ctx . pipeline ( ) . names ( ) ) ; failWrites ( status . asRuntimeException ( ) ) ; } | If this channel becomes inactive then notify all buffered writes that we failed . |
18,701 | public void close ( ChannelHandlerContext ctx , ChannelPromise future ) throws Exception { Status status = Status . UNAVAILABLE . withDescription ( "Connection closing while performing protocol negotiation for " + ctx . pipeline ( ) . names ( ) ) ; failWrites ( status . asRuntimeException ( ) ) ; super . close ( ctx , ... | If we are still performing protocol negotiation then this will propagate failures to all buffered writes . |
18,702 | @ SuppressWarnings ( "FutureReturnValueIgnored" ) private void failWrites ( Throwable cause ) { if ( failCause == null ) { failCause = cause ; } else { logger . log ( Level . FINE , "Ignoring duplicate failure" , cause ) ; } while ( ! bufferedWrites . isEmpty ( ) ) { ChannelWrite write = bufferedWrites . poll ( ) ; wri... | Propagate failures to all buffered writes . |
18,703 | private ServerReflectionIndex updateIndexIfNecessary ( ) { synchronized ( lock ) { if ( serverReflectionIndex == null ) { serverReflectionIndex = new ServerReflectionIndex ( server . getImmutableServices ( ) , server . getMutableServices ( ) ) ; return serverReflectionIndex ; } Set < FileDescriptor > serverFileDescript... | Checks for updates to the server s mutable services and updates the index if any changes are detected . A change is any addition or removal in the set of file descriptors attached to the mutable services or a change in the service names . |
18,704 | public void addListener ( final CancellationListener cancellationListener , final Executor executor ) { checkNotNull ( cancellationListener , "cancellationListener" ) ; checkNotNull ( executor , "executor" ) ; if ( canBeCancelled ( ) ) { ExecutableListener executableListener = new ExecutableListener ( executor , cancel... | Add a listener that will be notified when the context becomes cancelled . |
18,705 | void notifyAndClearListeners ( ) { if ( ! canBeCancelled ( ) ) { return ; } ArrayList < ExecutableListener > tmpListeners ; synchronized ( this ) { if ( listeners == null ) { return ; } tmpListeners = listeners ; listeners = null ; } for ( int i = 0 ; i < tmpListeners . size ( ) ; i ++ ) { if ( ! ( tmpListeners . get (... | Notify all listeners that this context has been cancelled and immediately release any reference to them so that they may be garbage collected . |
18,706 | private static void validateGeneration ( int generation ) { if ( generation == CONTEXT_DEPTH_WARN_THRESH ) { log . log ( Level . SEVERE , "Context ancestry chain length is abnormally long. " + "This suggests an error in application code. " + "Length exceeded: " + CONTEXT_DEPTH_WARN_THRESH , new Exception ( ) ) ; } } | If the ancestry chain length is unreasonably long then print an error to the log and record the stack trace . |
18,707 | public static SSLSocket upgrade ( SSLSocketFactory sslSocketFactory , HostnameVerifier hostnameVerifier , Socket socket , String host , int port , ConnectionSpec spec ) throws IOException { Preconditions . checkNotNull ( sslSocketFactory , "sslSocketFactory" ) ; Preconditions . checkNotNull ( socket , "socket" ) ; Prec... | Upgrades given Socket to be a SSLSocket . |
18,708 | static String canonicalizeHost ( String host ) { if ( host . startsWith ( "[" ) && host . endsWith ( "]" ) ) { return host . substring ( 1 , host . length ( ) - 1 ) ; } return host ; } | Converts a host from URI to X509 format . |
18,709 | public static String rpad ( String base , Integer len , String pad ) { if ( len < 0 ) { return null ; } else if ( len == 0 ) { return "" ; } char [ ] data = new char [ len ] ; int pos = 0 ; for ( ; pos < base . length ( ) && pos < len ; pos ++ ) { data [ pos ] = base . charAt ( pos ) ; } for ( ; pos < len ; pos += pad ... | Returns the string right - padded with the string pad to a length of len characters . If str is longer than len the return value is shortened to len characters . |
18,710 | public PopulateResult populate ( final ByteSource source , final Map < K , V > map ) throws IOException { return source . asCharSource ( StandardCharsets . UTF_8 ) . readLines ( new LineProcessor < PopulateResult > ( ) { private int lines = 0 ; private int entries = 0 ; public boolean processLine ( String line ) { if (... | Read through the source line by line and populate map with the data returned from the parser |
18,711 | public static void closeBoth ( Closeable first , Closeable second ) throws IOException { try ( Closeable ignore1 = second ; Closeable ignore2 = first ) { } } | Call method instead of code like |
18,712 | protected long computeOffset ( final long t , final DateTimeZone tz ) { long start = dataInterval . getEndMillis ( ) - periodMillis ; long startOffset = start % periodMillis - originMillis % periodMillis ; if ( startOffset < 0 ) { startOffset += periodMillis ; } start -= startOffset ; long tOffset = t % periodMillis - ... | Map time t into the last period ending within dataInterval |
18,713 | public Iterable < DataSegment > iterateAllSegments ( ) { return ( ) -> dataSources . values ( ) . stream ( ) . flatMap ( dataSource -> dataSource . getSegments ( ) . stream ( ) ) . iterator ( ) ; } | Returns an iterable to go over all segments in all data sources stored on this DruidServer . The order in which segments are iterated is unspecified . |
18,714 | public static Map < String , String > jsonize ( String msgFormat , Object ... args ) { return ImmutableMap . of ( "error" , StringUtils . nonStrictFormat ( msgFormat , args ) ) ; } | Converts String errorMsg into a Map so that it produces valid json on serialization into response . |
18,715 | private static byte [ ] toByteArray ( final ByteBuffer buffer ) { if ( buffer . hasArray ( ) && buffer . arrayOffset ( ) == 0 && buffer . position ( ) == 0 && buffer . array ( ) . length == buffer . limit ( ) ) { return buffer . array ( ) ; } else { final byte [ ] retVal = new byte [ buffer . remaining ( ) ] ; buffer .... | Returns an array with the content between the position and limit of buffer . This may be the buffer s backing array itself . Does not modify position or limit of the buffer . |
18,716 | protected double computeCost ( final DataSegment proposalSegment , final ServerHolder server , final boolean includeCurrentServer ) { double cost = super . computeCost ( proposalSegment , server , includeCurrentServer ) ; if ( cost == Double . POSITIVE_INFINITY ) { return cost ; } int nSegments = 1 ; if ( server . getS... | Averages the cost obtained from CostBalancerStrategy . Also the costs are weighted according to their usage ratios . This ensures that all the hosts will have the same % disk utilization . |
18,717 | public static String kerberosChallenge ( String server ) throws AuthenticationException { kerberosLock . lock ( ) ; try { Oid mechOid = KerberosUtil . getOidInstance ( "GSS_KRB5_MECH_OID" ) ; GSSManager manager = GSSManager . getInstance ( ) ; GSSName serverName = manager . createName ( "HTTP@" + server , GSSName . NT_... | This method always needs to be called within a doAs block so that the client s TGT credentials can be read from the Subject . |
18,718 | public static DruidQueryRel fullScan ( final LogicalTableScan scanRel , final RelOptTable table , final DruidTable druidTable , final QueryMaker queryMaker ) { return new DruidQueryRel ( scanRel . getCluster ( ) , scanRel . getCluster ( ) . traitSetOf ( Convention . NONE ) , table , druidTable , queryMaker , PartialDru... | Create a DruidQueryRel representing a full scan . |
18,719 | public static HyperLogLogCollector makeCollector ( ByteBuffer buffer ) { int remaining = buffer . remaining ( ) ; if ( remaining % 3 == 0 || remaining == 1027 ) { return new VersionZeroHyperLogLogCollector ( buffer ) ; } else { return new VersionOneHyperLogLogCollector ( buffer ) ; } } | Create a wrapper object around an HLL sketch contained within a buffer . The position and limit of the buffer may be changed ; if you do not want this to happen you can duplicate the buffer before passing it in . |
18,720 | private static short mergeAndStoreByteRegister ( final ByteBuffer storageBuffer , final int position , final int offsetDiff , final byte byteToAdd ) { if ( byteToAdd == 0 ) { return 0 ; } final byte currVal = storageBuffer . get ( position ) ; final int upperNibble = currVal & 0xf0 ; final int lowerNibble = currVal & 0... | Returns the number of registers that are no longer zero after the value was added |
18,721 | public static Access datasourceAuthorizationCheck ( final HttpServletRequest req , Action action , String datasource , AuthorizerMapper authorizerMapper ) { ResourceAction resourceAction = new ResourceAction ( new Resource ( datasource , ResourceType . DATASOURCE ) , action ) ; Access access = AuthorizationUtils . auth... | Authorizes action to be performed on a task s datasource |
18,722 | LookupsState < LookupExtractorFactoryContainer > getAllLookupsState ( ) { Preconditions . checkState ( lifecycleLock . awaitStarted ( 1 , TimeUnit . MILLISECONDS ) ) ; LookupUpdateState lookupUpdateState = stateRef . get ( ) ; Map < String , LookupExtractorFactoryContainer > lookupsToLoad = new HashMap < > ( ) ; Set < ... | Note that this should ensure that toLoad and toDrop are disjoint . |
18,723 | private List < LookupBean > getLookupsList ( ) { List < LookupBean > lookupBeanList ; if ( lookupConfig . getEnableLookupSyncOnStartup ( ) ) { lookupBeanList = getLookupListFromCoordinator ( lookupListeningAnnouncerConfig . getLookupTier ( ) ) ; if ( lookupBeanList == null ) { LOG . info ( "Coordinator is unavailable. ... | Gets the lookup list from coordinator or from snapshot . |
18,724 | private List < LookupBean > getLookupListFromCoordinator ( String tier ) { try { MutableBoolean firstAttempt = new MutableBoolean ( true ) ; Map < String , LookupExtractorFactoryContainer > lookupMap = RetryUtils . retry ( ( ) -> { if ( firstAttempt . isTrue ( ) ) { firstAttempt . setValue ( false ) ; } else if ( looku... | Returns a list of lookups from the coordinator if the coordinator is available . If it s not available returns null . |
18,725 | private List < LookupBean > getLookupListFromSnapshot ( ) { if ( lookupSnapshotTaker != null ) { return lookupSnapshotTaker . pullExistingSnapshot ( lookupListeningAnnouncerConfig . getLookupTier ( ) ) ; } return null ; } | Returns a list of lookups from the snapshot if the lookupsnapshottaker is configured . If it s not available returns null . |
18,726 | public static DoublesColumn create ( ColumnarDoubles column , ImmutableBitmap nullValueBitmap ) { if ( nullValueBitmap . isEmpty ( ) ) { return new DoublesColumn ( column ) ; } else { return new DoublesColumnWithNulls ( column , nullValueBitmap ) ; } } | Factory method to create DoublesColumn . |
18,727 | private static ImmutableMap < String , ImmutableWorkerInfo > getNonAffinityWorkers ( final AffinityConfig affinityConfig , final Map < String , ImmutableWorkerInfo > workerMap ) { return ImmutableMap . copyOf ( Maps . filterKeys ( workerMap , workerHost -> ! affinityConfig . getAffinityWorkers ( ) . contains ( workerHo... | Return workers not assigned to any affinity pool at all . |
18,728 | public static Integer getThreadPriorityFromTaskPriority ( final int taskPriority ) { if ( taskPriority == 0 ) { return null ; } int finalPriority = taskPriority + Thread . NORM_PRIORITY ; if ( taskPriority > Thread . MAX_PRIORITY ) { return Thread . MAX_PRIORITY ; } if ( finalPriority < Thread . MIN_PRIORITY ) { return... | Return the thread - factory friendly priorities from the task priority |
18,729 | public void stop ( ) { synchronized ( startStopLock ) { running = false ; taskStatusChecker . shutdownNow ( ) ; if ( numRunningTasks > 0 ) { final Iterator < MonitorEntry > iterator = runningTasks . values ( ) . iterator ( ) ; while ( iterator . hasNext ( ) ) { final MonitorEntry entry = iterator . next ( ) ; iterator ... | Stop task monitoring and kill all running tasks . |
18,730 | @ SuppressWarnings ( "unchecked" ) public static < InType > CombiningIterable < InType > createSplatted ( Iterable < ? extends Iterable < InType > > in , Comparator < InType > comparator ) { return create ( new MergeIterable < InType > ( comparator , ( Iterable < Iterable < InType > > ) in ) , comparator , new BinaryFn... | Creates a CombiningIterable around a MergeIterable such that equivalent elements are thrown away |
18,731 | public Collection < DataSegment > getLazyAllSegments ( ) { return CollectionUtils . createLazyCollectionFromStream ( ( ) -> dataSources . values ( ) . stream ( ) . flatMap ( dataSource -> dataSource . getSegments ( ) . stream ( ) ) , totalSegments ) ; } | Returns a lazy collection with all segments in all data sources stored on this ImmutableDruidServer . The order of segments in this collection is unspecified . |
18,732 | private DruidConnection getDruidConnection ( final String connectionId ) { final DruidConnection connection = connections . get ( connectionId ) ; if ( connection == null ) { throw new NoSuchConnectionException ( connectionId ) ; } return connection . sync ( exec . schedule ( ( ) -> { log . debug ( "Connection[%s] time... | Get a connection or throw an exception if it doesn t exist . Also refreshes the timeout timer . |
18,733 | public Map < String , Object > getDebugInfo ( ) { long currTime = System . currentTimeMillis ( ) ; Object notSuccessfullySyncedFor ; if ( lastSuccessfulSyncTime == 0 ) { notSuccessfullySyncedFor = "Never Successfully Synced" ; } else { notSuccessfullySyncedFor = ( currTime - lastSuccessfulSyncTime ) / 1000 ; } return I... | This method returns the debugging information for printing must not be used for any other purpose . |
18,734 | public void start ( ) throws Exception { super . start ( ) ; synchronized ( lifecycleLock ) { Preconditions . checkState ( ! started , "already started" ) ; started = true ; try { cleanupStaleAnnouncements ( ) ; registerRunListener ( ) ; pathChildrenCache . start ( ) ; log . info ( "Started WorkerTaskMonitor." ) ; star... | Register a monitor for new tasks . When new tasks appear the worker node announces a status to indicate it has started the task . When the task is complete the worker node updates the status . |
18,735 | public static CaffeineCache create ( final CaffeineCacheConfig config , final Executor executor ) { Caffeine < Object , Object > builder = Caffeine . newBuilder ( ) . recordStats ( ) ; if ( config . getExpireAfter ( ) >= 0 ) { builder . expireAfterAccess ( config . getExpireAfter ( ) , TimeUnit . MILLISECONDS ) ; } if ... | Used in testing |
18,736 | public void close ( String namespace ) { if ( config . isEvictOnClose ( ) ) { cache . asMap ( ) . keySet ( ) . removeIf ( key -> key . namespace . equals ( namespace ) ) ; } } | This is completely racy with put . Any values missed should be evicted later anyways . So no worries . |
18,737 | public static Access authorizeResourceAction ( final HttpServletRequest request , final ResourceAction resourceAction , final AuthorizerMapper authorizerMapper ) { return authorizeAllResourceActions ( request , Collections . singletonList ( resourceAction ) , authorizerMapper ) ; } | Check a resource - action using the authorization fields from the request . |
18,738 | public static AuthenticationResult authenticationResultFromRequest ( final HttpServletRequest request ) { final AuthenticationResult authenticationResult = ( AuthenticationResult ) request . getAttribute ( AuthConfig . DRUID_AUTHENTICATION_RESULT ) ; if ( authenticationResult == null ) { throw new ISE ( "Null authentic... | Returns the authentication information for a request . |
18,739 | public static Access authorizeAllResourceActions ( final AuthenticationResult authenticationResult , final Iterable < ResourceAction > resourceActions , final AuthorizerMapper authorizerMapper ) { final Authorizer authorizer = authorizerMapper . getAuthorizer ( authenticationResult . getAuthorizerName ( ) ) ; if ( auth... | Check a list of resource - actions to be performed by the identity represented by authenticationResult . |
18,740 | public static Access authorizeAllResourceActions ( final HttpServletRequest request , final Iterable < ResourceAction > resourceActions , final AuthorizerMapper authorizerMapper ) { if ( request . getAttribute ( AuthConfig . DRUID_ALLOW_UNSECURED_PATH ) != null ) { return Access . OK ; } if ( request . getAttribute ( A... | Check a list of resource - actions to be performed as a result of an HTTP request . |
18,741 | public static < KeyType , ResType > Map < KeyType , List < ResType > > filterAuthorizedResources ( final HttpServletRequest request , final Map < KeyType , List < ResType > > unfilteredResources , final Function < ? super ResType , Iterable < ResourceAction > > resourceActionGenerator , final AuthorizerMapper authorize... | Given a map of resource lists filter each resources list by applying the resource action generator to each item in each resource list . |
18,742 | public static TimestampSpec mergeTimestampSpec ( List < TimestampSpec > toMerge ) { if ( toMerge == null || toMerge . size ( ) == 0 ) { return null ; } TimestampSpec result = toMerge . get ( 0 ) ; for ( int i = 1 ; i < toMerge . size ( ) ; i ++ ) { if ( toMerge . get ( i ) == null ) { continue ; } if ( ! Objects . equa... | returns null . this can be improved in future but is good enough for most use - cases . |
18,743 | public static LongsColumn create ( ColumnarLongs column , ImmutableBitmap nullValueBitmap ) { if ( nullValueBitmap . isEmpty ( ) ) { return new LongsColumn ( column ) ; } else { return new LongsColumnWithNulls ( column , nullValueBitmap ) ; } } | Factory method to create LongsColumn . |
18,744 | public static void createIfNotExists ( CuratorFramework curatorFramework , String path , CreateMode mode , byte [ ] rawBytes , int maxZnodeBytes ) throws Exception { verifySize ( path , rawBytes , maxZnodeBytes ) ; if ( curatorFramework . checkExists ( ) . forPath ( path ) == null ) { try { curatorFramework . create ( ... | Create znode if it does not already exist . If it does already exist this does nothing . In particular the existing znode may have a different payload or create mode . |
18,745 | protected void abandonSegment ( final long truncatedTime , final Sink sink ) { if ( sinks . containsKey ( truncatedTime ) ) { try { segmentAnnouncer . unannounceSegment ( sink . getSegment ( ) ) ; removeSegment ( sink , computePersistDir ( schema , sink . getInterval ( ) ) ) ; log . info ( "Removing sinkKey %d for segm... | Unannounces a given sink and removes all local references to it . It is important that this is only called from the single - threaded mergeExecutor since otherwise chaos may ensue if merged segments are deleted while being created . |
18,746 | protected int persistHydrant ( FireHydrant indexToPersist , DataSchema schema , Interval interval , Map < String , Object > metadataElems ) { synchronized ( indexToPersist ) { if ( indexToPersist . hasSwapped ( ) ) { log . info ( "DataSource[%s], Interval[%s], Hydrant[%s] already swapped. Ignoring request to persist." ... | Persists the given hydrant and returns the number of rows persisted |
18,747 | private ServerHolder assignPrimary ( final DruidCoordinatorRuntimeParams params , final DataSegment segment ) { ServerHolder topCandidate = null ; for ( final Object2IntMap . Entry < String > entry : targetReplicants . object2IntEntrySet ( ) ) { final int targetReplicantsInTier = entry . getIntValue ( ) ; if ( targetRe... | Iterates through each tier and find the respective segment homes ; with the found segment homes selects the one with the highest priority to be the holder for the primary replica . |
18,748 | private boolean loadingInProgress ( final DruidCluster druidCluster ) { for ( final Object2IntMap . Entry < String > entry : targetReplicants . object2IntEntrySet ( ) ) { final String tier = entry . getKey ( ) ; if ( druidCluster . hasTier ( tier ) && entry . getIntValue ( ) > currentReplicants . getOrDefault ( tier , ... | Returns true if at least one tier in target replica assignment exists in cluster but does not have enough replicas . |
18,749 | private boolean keyEquals ( ByteBuffer curKeyBuffer , ByteBuffer buffer , int bufferOffset ) { int i = 0 ; for ( ; i + Long . BYTES <= keySize ; i += Long . BYTES ) { if ( curKeyBuffer . getLong ( i ) != buffer . getLong ( bufferOffset + i ) ) { return false ; } } if ( i + Integer . BYTES <= keySize ) { if ( curKeyBuff... | Checks two keys contained in the given buffers are same . |
18,750 | private void initNewSlot ( ByteBuffer newKey ) { increaseWriteIndex ( ) ; final int recordOffset = recordSize * curWriteIndex ; buffer . position ( recordOffset ) ; buffer . put ( newKey ) ; for ( int i = 0 ; i < aggregators . length ; i ++ ) { aggregators [ i ] . init ( buffer , recordOffset + aggregatorOffsets [ i ] ... | Initialize a new slot for a new grouping key . This may be potentially blocked if the array is full until at least one slot becomes available . |
18,751 | public CloseableIterator < Entry < KeyType > > iterator ( ) { if ( ! initialized ) { throw new ISE ( "Grouper should be initialized first" ) ; } return new CloseableIterator < Entry < KeyType > > ( ) { { increaseReadIndexTo ( 0 ) ; } public boolean hasNext ( ) { return ! finished || remaining ( ) > 0 ; } private int re... | Return a sorted iterator . This method can be called safely while writing and the iterating thread and the writing thread can be different . The result iterator always returns sorted results . This method should be called only one time per grouper . |
18,752 | public InputRow transform ( final InputRow row ) { if ( row == null ) { return null ; } final InputRow transformedRow ; if ( transforms . isEmpty ( ) ) { transformedRow = row ; } else { transformedRow = new TransformedInputRow ( row , transforms ) ; } if ( valueMatcher != null ) { rowSupplierForValueMatcher . set ( tra... | Transforms an input row or returns null if the row should be filtered out . |
18,753 | public ListenableFuture < SegmentsAndMetadata > publish ( final TransactionalSegmentPublisher publisher , final Committer committer , final Collection < String > sequenceNames ) { final List < SegmentIdWithShardSpec > theSegments = getSegmentWithStates ( sequenceNames ) . map ( SegmentWithState :: getSegmentIdentifier ... | Execute a task in background to publish all segments corresponding to the given sequence names . The task internally pushes the segments to the deep storage first and then publishes the metadata to the metadata storage . |
18,754 | public static Collection < DimensionSpec > extractionsToRewrite ( GroupByQuery query ) { return Collections2 . filter ( query . getDimensions ( ) , new Predicate < DimensionSpec > ( ) { public boolean apply ( DimensionSpec input ) { return input . getExtractionFn ( ) != null && ExtractionFn . ExtractionType . ONE_TO_ON... | This function checks the query for dimensions which can be optimized by applying the dimension extraction as the final step of the query instead of on every event . |
18,755 | public static < ColumnSelectorStrategyClass extends ColumnSelectorStrategy > ColumnSelectorPlus < ColumnSelectorStrategyClass > [ ] createColumnSelectorPluses ( ColumnSelectorStrategyFactory < ColumnSelectorStrategyClass > strategyFactory , List < DimensionSpec > dimensionSpecs , ColumnSelectorFactory columnSelectorFac... | Creates an array of ColumnSelectorPlus objects selectors that handle type - specific operations within query processing engines using a strategy factory provided by the query engine . One ColumnSelectorPlus will be created for each column specified in dimensionSpecs . |
18,756 | public static Long getExactLongFromDecimalString ( String decimalStr ) { final Long val = GuavaUtils . tryParseLong ( decimalStr ) ; if ( val != null ) { return val ; } BigDecimal convertedBD ; try { convertedBD = new BigDecimal ( decimalStr ) ; } catch ( NumberFormatException nfe ) { return null ; } try { return conve... | Convert a string representing a decimal value to a long . |
18,757 | public static Pair < Grouper < RowBasedKey > , Accumulator < AggregateResult , Row > > createGrouperAccumulatorPair ( final GroupByQuery query , final boolean isInputRaw , final Map < String , ValueType > rawInputRowSignature , final GroupByQueryConfig config , final Supplier < ByteBuffer > bufferSupplier , final Limit... | Create a single - threaded grouper and accumulator . |
18,758 | public static Expr binaryOp ( BinaryOpExprBase binary , Expr left , Expr right ) { try { return binary . getClass ( ) . getDeclaredConstructor ( String . class , Expr . class , Expr . class ) . newInstance ( binary . op , left , right ) ; } catch ( Exception e ) { log . warn ( e , "failed to rewrite expression " + bina... | you should create it explicitly in here |
18,759 | public MetadataStorageTablesConfig getMetadataStorageTablesConfig ( ) { return new MetadataStorageTablesConfig ( null , null , null , segmentTable , null , null , null , null , null , null , null ) ; } | by the code using this |
18,760 | public void awaitNextIncrements ( long nextIncrements ) throws InterruptedException { if ( nextIncrements <= 0 ) { throw new IllegalArgumentException ( "nextIncrements is not positive: " + nextIncrements ) ; } if ( nextIncrements > MAX_COUNT / 4 ) { throw new UnsupportedOperationException ( "Couldn't wait for so many i... | Somewhat loosely defined wait for next N increments because the starting point is not defined from the Java Memory Model perspective . |
18,761 | private void downloadExtension ( Artifact versionedArtifact , File toLocation ) { final CollectRequest collectRequest = new CollectRequest ( ) ; collectRequest . setRoot ( new Dependency ( versionedArtifact , JavaScopes . RUNTIME ) ) ; final DependencyRequest dependencyRequest = new DependencyRequest ( collectRequest ,... | Download the extension given its maven coordinate |
18,762 | private void createExtensionDirectory ( String coordinate , File atLocation ) { if ( atLocation . isDirectory ( ) ) { log . info ( "Directory [%s] already exists, skipping creating a directory" , atLocation . getAbsolutePath ( ) ) ; return ; } if ( ! atLocation . mkdir ( ) ) { throw new ISE ( "Unable to create director... | Create the extension directory for a specific maven coordinate . The name of this directory should be the artifactId in the coordinate |
18,763 | public void relocate ( final int oldPosition , final int newPosition , final ByteBuffer oldBuf , final ByteBuffer newBuf ) { HllSketch sketch = sketchCache . get ( oldBuf ) . get ( oldPosition ) ; final WritableMemory oldMem = getMemory ( oldBuf ) . writableRegion ( oldPosition , size ) ; if ( sketch . isSameResource (... | In very rare cases sketches can exceed given memory request on - heap memory and move there . We need to identify such sketches and reuse the same objects as opposed to wrapping new memory regions . |
18,764 | private void mergeWithSmoosher ( ) throws IOException { List < File > fileToProcess = new ArrayList < > ( completedFiles ) ; completedFiles = new ArrayList < > ( ) ; for ( File file : fileToProcess ) { add ( file ) ; if ( ! file . delete ( ) ) { LOG . warn ( "Unable to delete file [%s]" , file ) ; } } } | Merges temporary files created by delegated SmooshedWriters on to the main smoosh file . |
18,765 | private static TableMacro getView ( final SchemaPlus schemaPlus , final String functionName ) { final Collection < org . apache . calcite . schema . Function > functions = schemaPlus . getFunctions ( functionName ) ; for ( org . apache . calcite . schema . Function function : functions ) { if ( function . getParameters... | Return a view macro that may or may not be defined in a certain schema . If it s not defined returns null . |
18,766 | private boolean hasMessagesPending ( ) { for ( Map . Entry < MessageQueue , ConcurrentSkipListSet < MessageExt > > entry : messageQueueTreeSetMap . entrySet ( ) ) { if ( ! entry . getValue ( ) . isEmpty ( ) ) { return true ; } } return false ; } | Check if there are locally pending messages to consume . |
18,767 | public static long zip ( File directory , OutputStream out ) throws IOException { if ( ! directory . isDirectory ( ) ) { throw new IOE ( "directory[%s] is not a directory" , directory ) ; } final ZipOutputStream zipOut = new ZipOutputStream ( out ) ; long totalSize = 0 ; for ( File file : directory . listFiles ( ) ) { ... | Zips the contents of the input directory to the output stream . Sub directories are skipped |
18,768 | public static FileUtils . FileCopyResult unzip ( final ByteSource byteSource , final File outDir , boolean cacheLocally ) throws IOException { return unzip ( byteSource , outDir , FileUtils . IS_EXCEPTION , cacheLocally ) ; } | Unzip the byteSource to the output directory . If cacheLocally is true the byteSource is cached to local disk before unzipping . This may cause more predictable behavior than trying to unzip a large file directly off a network stream for example . |
18,769 | public static FileUtils . FileCopyResult gunzip ( final File pulledFile , File outFile ) { return gunzip ( Files . asByteSource ( pulledFile ) , outFile ) ; } | gunzip the file to the output file . |
18,770 | public static long gunzip ( InputStream in , OutputStream out ) throws IOException { try ( GZIPInputStream gzipInputStream = gzipInputStream ( in ) ) { final long result = ByteStreams . copy ( gzipInputStream , out ) ; out . flush ( ) ; return result ; } finally { out . close ( ) ; } } | gunzip from the source stream to the destination stream . |
18,771 | public static FileUtils . FileCopyResult gunzip ( final ByteSource in , final File outFile , Predicate < Throwable > shouldRetry ) { return FileUtils . retryCopy ( new ByteSource ( ) { public InputStream openStream ( ) throws IOException { return gzipInputStream ( in . openStream ( ) ) ; } } , outFile , shouldRetry , D... | A gunzip function to store locally |
18,772 | public static FileUtils . FileCopyResult gunzip ( final ByteSource in , File outFile ) { return gunzip ( in , outFile , FileUtils . IS_EXCEPTION ) ; } | Gunzip from the input stream to the output file |
18,773 | public static long gzip ( InputStream inputStream , OutputStream out ) throws IOException { try ( GZIPOutputStream outputStream = new GZIPOutputStream ( out ) ) { final long result = ByteStreams . copy ( inputStream , outputStream ) ; out . flush ( ) ; return result ; } finally { inputStream . close ( ) ; } } | Copy inputStream to out while wrapping out in a GZIPOutputStream Closes both input and output |
18,774 | public static FileUtils . FileCopyResult gzip ( final File inFile , final File outFile , Predicate < Throwable > shouldRetry ) { gzip ( Files . asByteSource ( inFile ) , Files . asByteSink ( outFile ) , shouldRetry ) ; return new FileUtils . FileCopyResult ( outFile ) ; } | Gzips the input file to the output |
18,775 | public static FileUtils . FileCopyResult gzip ( final File inFile , final File outFile ) { return gzip ( inFile , outFile , FileUtils . IS_EXCEPTION ) ; } | GZip compress the contents of inFile into outFile |
18,776 | public static InputStream decompress ( final InputStream in , final String fileName ) throws IOException { if ( fileName . endsWith ( GZ_SUFFIX ) ) { return gzipInputStream ( in ) ; } else if ( fileName . endsWith ( BZ2_SUFFIX ) ) { return new BZip2CompressorInputStream ( in , true ) ; } else if ( fileName . endsWith (... | Decompress an input stream from a file based on the filename . |
18,777 | private static CpuAcctMetric parse ( final List < String > lines ) { final int ncpus = lines . size ( ) - 1 ; final long [ ] usrTime = new long [ ncpus ] ; final long [ ] sysTime = new long [ ncpus ] ; for ( int i = 1 ; i < lines . size ( ) ; i ++ ) { final String [ ] splits = lines . get ( i ) . split ( CgroupUtil . S... | Private because it requires a specific format and cant take a generic list of strings |
18,778 | public CpuAcctMetric snapshot ( ) { final File cpuacct ; try { cpuacct = new File ( cgroupDiscoverer . discover ( CGROUP ) . toFile ( ) , CGROUP_ACCT_FILE ) ; } catch ( RuntimeException re ) { LOG . error ( re , "Unable to fetch snapshot" ) ; return new CpuAcctMetric ( new long [ 0 ] , new long [ 0 ] ) ; } try { return... | Take a snapshot of the existing data . |
18,779 | @ Path ( "/isLeader" ) @ Produces ( MediaType . APPLICATION_JSON ) public Response isLeader ( ) { final boolean leading = coordinator . isLeader ( ) ; final Map < String , Boolean > response = ImmutableMap . of ( "leader" , leading ) ; if ( leading ) { return Response . ok ( response ) . build ( ) ; } else { return Res... | This is an unsecured endpoint defined as such in UNSECURED_PATHS in CoordinatorJettyServerInitializer |
18,780 | @ Path ( "/mode" ) @ Produces ( MediaType . APPLICATION_JSON ) public Response getMode ( final HttpServletRequest req ) { IndexTaskUtils . datasourceAuthorizationCheck ( req , Action . READ , getDataSource ( ) , authorizerMapper ) ; return Response . ok ( isParallelMode ( ) ? "parallel" : "sequential" ) . build ( ) ; } | External APIs to get running status |
18,781 | private void serverInventoryInitialized ( ) { long start = System . currentTimeMillis ( ) ; long serverSyncWaitTimeout = config . getServerTimeout ( ) + 2 * ChangeRequestHttpSyncer . HTTP_TIMEOUT_EXTRA_MS ; List < DruidServerHolder > uninitializedServers = new ArrayList < > ( ) ; for ( DruidServerHolder server : server... | segmentViewInitialized on all registered segment callbacks . |
18,782 | public static RelDataType createSqlType ( final RelDataTypeFactory typeFactory , final SqlTypeName typeName ) { return createSqlTypeWithNullability ( typeFactory , typeName , false ) ; } | Like RelDataTypeFactory . createSqlType but creates types that align best with how Druid represents them . |
18,783 | public static RelDataType createSqlTypeWithNullability ( final RelDataTypeFactory typeFactory , final SqlTypeName typeName , final boolean nullable ) { final RelDataType dataType ; switch ( typeName ) { case TIMESTAMP : dataType = typeFactory . createSqlType ( typeName , 3 ) ; break ; case CHAR : case VARCHAR : dataTyp... | Like RelDataTypeFactory . createSqlTypeWithNullability but creates types that align best with how Druid represents them . |
18,784 | public static long jodaToCalciteTimestamp ( final DateTime dateTime , final DateTimeZone timeZone ) { return dateTime . withZone ( timeZone ) . withZoneRetainFields ( DateTimeZone . UTC ) . getMillis ( ) ; } | Calcite expects TIMESTAMP types to be an instant that has the expected local time fields if printed as UTC . |
18,785 | public static int jodaToCalciteDate ( final DateTime dateTime , final DateTimeZone timeZone ) { final DateTime date = dateTime . withZone ( timeZone ) . dayOfMonth ( ) . roundFloorCopy ( ) ; return Days . daysBetween ( DateTimes . EPOCH , date . withZoneRetainFields ( DateTimeZone . UTC ) ) . getDays ( ) ; } | Calcite expects DATE types to be number of days from the epoch to the UTC date matching the local time fields . |
18,786 | public static TimestampString jodaToCalciteTimestampString ( final DateTime dateTime , final DateTimeZone timeZone ) { String timestampString = TRAILING_ZEROS . matcher ( CALCITE_TIMESTAMP_PRINTER . print ( dateTime . withZone ( timeZone ) ) ) . replaceAll ( "" ) ; return new TimestampString ( timestampString ) ; } | Calcite expects TIMESTAMP literals to be represented by TimestampStrings in the local time zone . |
18,787 | public static TimeString jodaToCalciteTimeString ( final DateTime dateTime , final DateTimeZone timeZone ) { String timeString = TRAILING_ZEROS . matcher ( CALCITE_TIME_PRINTER . print ( dateTime . withZone ( timeZone ) ) ) . replaceAll ( "" ) ; return new TimeString ( timeString ) ; } | Calcite expects TIME literals to be represented by TimeStrings in the local time zone . |
18,788 | public static DateString jodaToCalciteDateString ( final DateTime dateTime , final DateTimeZone timeZone ) { return new DateString ( CALCITE_DATE_PRINTER . print ( dateTime . withZone ( timeZone ) ) ) ; } | Calcite expects DATE literals to be represented by DateStrings in the local time zone . |
18,789 | public static FloatsColumn create ( ColumnarFloats column , ImmutableBitmap nullValueBitmap ) { if ( nullValueBitmap . isEmpty ( ) ) { return new FloatsColumn ( column ) ; } else { return new FloatsColumnWithNulls ( column , nullValueBitmap ) ; } } | Factory method to create FloatsColumn . |
18,790 | private Supplier < DruidLongPredicate > getLongPredicateSupplier ( ) { return new Supplier < DruidLongPredicate > ( ) { private final Object initLock = new Object ( ) ; private DruidLongPredicate predicate ; private void initLongValues ( ) { if ( predicate != null ) { return ; } synchronized ( initLock ) { if ( predica... | This supplier must be thread - safe since this DimFilter will be accessed in the query runners . |
18,791 | public static void scheduleWithFixedDelay ( final ScheduledExecutorService exec , final Duration initialDelay , final Duration delay , final Runnable runnable ) { scheduleWithFixedDelay ( exec , initialDelay , delay , new Callable < Signal > ( ) { public Signal call ( ) { runnable . run ( ) ; return Signal . REPEAT ; }... | Run runnable repeatedly with the given delay between calls after the given initial delay . Exceptions are caught and logged as errors . |
18,792 | public static void scheduleWithFixedDelay ( ScheduledExecutorService exec , Duration delay , Callable < Signal > callable ) { scheduleWithFixedDelay ( exec , delay , delay , callable ) ; } | Run callable repeatedly with the given delay between calls after the given initial delay until it returns Signal . STOP . Exceptions are caught and logged as errors . |
18,793 | public static void scheduleAtFixedRate ( final ScheduledExecutorService exec , final Duration initialDelay , final Duration period , final Runnable runnable ) { scheduleAtFixedRate ( exec , initialDelay , period , new Callable < Signal > ( ) { public Signal call ( ) { runnable . run ( ) ; return Signal . REPEAT ; } } )... | Run runnable once every period after the given initial delay . Exceptions are caught and logged as errors . |
18,794 | public static String concatenateForRewrite ( final String base , final String encodedPath , final String encodedQueryString ) { final StringBuilder url = new StringBuilder ( base ) . append ( encodedPath ) ; if ( encodedQueryString != null ) { url . append ( "?" ) . append ( encodedQueryString ) ; } return url . toStri... | Concatenate URI parts in a way that is useful for proxy servlets . |
18,795 | public void stop ( ) { giant . lock ( ) ; try { tasks . clear ( ) ; taskFutures . clear ( ) ; active = false ; managerExec . shutdownNow ( ) ; storageSyncExec . shutdownNow ( ) ; managementMayBeNecessary . signalAll ( ) ; } finally { giant . unlock ( ) ; } } | Shuts down the queue . |
18,796 | private void manage ( ) throws InterruptedException { log . info ( "Beginning management in %s." , config . getStartDelay ( ) ) ; Thread . sleep ( config . getStartDelay ( ) . getMillis ( ) ) ; taskRunner . restore ( ) ; while ( active ) { giant . lock ( ) ; try { final Map < String , ListenableFuture < TaskStatus > > ... | Main task runner management loop . Meant to run forever or at least until we re stopped . |
18,797 | public boolean add ( final Task task ) throws EntryExistsException { if ( taskStorage . getTask ( task . getId ( ) ) . isPresent ( ) ) { throw new EntryExistsException ( StringUtils . format ( "Task %s is already exists" , task . getId ( ) ) ) ; } giant . lock ( ) ; try { Preconditions . checkState ( active , "Queue is... | Adds some work to the queue and the underlying task storage facility with a generic running status . |
18,798 | public void shutdown ( final String taskId , String reasonFormat , Object ... args ) { giant . lock ( ) ; try { Preconditions . checkNotNull ( taskId , "taskId" ) ; for ( final Task task : tasks ) { if ( task . getId ( ) . equals ( taskId ) ) { notifyStatus ( task , TaskStatus . failure ( taskId ) , reasonFormat , args... | Shuts down a task if it has not yet finished . |
18,799 | private void notifyStatus ( final Task task , final TaskStatus taskStatus , String reasonFormat , Object ... args ) { giant . lock ( ) ; try { Preconditions . checkNotNull ( task , "task" ) ; Preconditions . checkNotNull ( taskStatus , "status" ) ; Preconditions . checkState ( active , "Queue is not active!" ) ; Precon... | Notify this queue that some task has an updated status . If this update is valid the status will be persisted in the task storage facility . If the status is a completed status the task will be unlocked and no further updates will be accepted . |
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