idx int64 0 165k | question stringlengths 73 4.15k | target stringlengths 5 918 | len_question int64 21 890 | len_target int64 3 255 |
|---|---|---|---|---|
158,500 | private String getGatewayMessage ( final List < Result > results ) throws IOException { int valueCount = 0 ; Writer writer = new StringWriter ( ) ; JsonGenerator g = jsonFactory . createGenerator ( writer ) ; g . writeStartObject ( ) ; g . writeNumberField ( "timestamp" , System . currentTimeMillis ( ) / 1000 ) ; g . w... | Take query results make a JSON String | 744 | 7 |
158,501 | private void doSend ( final String gatewayMessage ) { HttpURLConnection urlConnection = null ; try { if ( proxy == null ) { urlConnection = ( HttpURLConnection ) gatewayUrl . openConnection ( ) ; } else { urlConnection = ( HttpURLConnection ) gatewayUrl . openConnection ( proxy ) ; } urlConnection . setRequestMethod ( ... | Post the formatted results to the gateway URL over HTTP | 489 | 10 |
158,502 | private void doMain ( ) throws Exception { // Start the process this . start ( ) ; while ( true ) { // look for some terminator // attempt to read off queue // process message // TODO : Make something here, maybe watch for files? try { Thread . sleep ( 5 ) ; } catch ( Exception e ) { log . info ( "shutting down" , e ) ... | The real main method . | 96 | 5 |
158,503 | private void stopWriterAndClearMasterServerList ( ) { for ( Server server : this . masterServersList ) { for ( OutputWriter writer : server . getOutputWriters ( ) ) { try { writer . close ( ) ; } catch ( LifecycleException ex ) { log . error ( "Eror stopping writer: {}" , writer ) ; } } for ( Query query : server . get... | Shut down the output writers and clear the master server list Used both during shutdown and when re - reading config files | 188 | 22 |
158,504 | private void startupWatchdir ( ) throws Exception { File dirToWatch ; if ( this . configuration . getProcessConfigDirOrFile ( ) . isFile ( ) ) { dirToWatch = new File ( FilenameUtils . getFullPath ( this . configuration . getProcessConfigDirOrFile ( ) . getAbsolutePath ( ) ) ) ; } else { dirToWatch = this . configurati... | Startup the watchdir service . | 126 | 7 |
158,505 | public void executeStandalone ( JmxProcess process ) throws Exception { this . masterServersList = process . getServers ( ) ; this . serverScheduler . start ( ) ; this . processServersIntoJobs ( ) ; // Sleep for 10 seconds to wait for jobs to complete. // There should be a better way, but it seems that way isn't workin... | Handy method which runs the JmxProcess | 106 | 9 |
158,506 | private void processFilesIntoServers ( ) throws LifecycleException { // Shutdown the outputwriters and clear the current server list - this gives us a clean // start when re-reading the json config files try { this . stopWriterAndClearMasterServerList ( ) ; } catch ( Exception e ) { log . error ( "Error while clearing ... | Processes all the json files and manages the dedup process | 131 | 12 |
158,507 | private boolean isProcessConfigFile ( File file ) { if ( this . configuration . getProcessConfigDirOrFile ( ) . isFile ( ) ) { return file . equals ( this . configuration . getProcessConfigDirOrFile ( ) ) ; } // If the file doesn't exist anymore, treat it as a regular file (to handle file deletion events) if ( file . e... | Are we a file and a JSON or YAML file? | 157 | 13 |
158,508 | @ Override @ JsonIgnore public JMXConnector getServerConnection ( ) throws IOException { JMXServiceURL url = getJmxServiceURL ( ) ; return JMXConnectorFactory . connect ( url , this . getEnvironment ( ) ) ; } | Helper method for connecting to a Server . You need to close the resulting connection . | 54 | 16 |
158,509 | @ Override public void validateSetup ( Server server , Query query ) throws ValidationException { // Check if we've already created a logger for this file. If so, use it. Logger logger ; if ( loggers . containsKey ( outputFile ) ) { logger = getLogger ( outputFile ) ; } else { // need to create a logger try { logger = ... | Creates the logging | 141 | 4 |
158,510 | @ Override public void internalWrite ( Server server , Query query , ImmutableList < Result > results ) throws Exception { graphiteWriter . write ( logwriter , server , query , results ) ; } | The meat of the output . Reuses the GraphiteWriter2 class but writes in a logfile instead of a network socket . | 42 | 26 |
158,511 | private AmazonCloudWatchClient createCloudWatchClient ( ) { AmazonCloudWatchClient cloudWatchClient = new AmazonCloudWatchClient ( new InstanceProfileCredentialsProvider ( ) ) ; cloudWatchClient . setRegion ( checkNotNull ( Regions . getCurrentRegion ( ) , "Problems getting AWS metadata" ) ) ; return cloudWatchClient ;... | Configuring the CloudWatch client . | 73 | 7 |
158,512 | @ Override public String formatName ( Result result ) { String formatted ; JexlContext context = new MapContext ( ) ; this . populateContext ( context , result ) ; try { formatted = ( String ) this . parsedExpr . evaluate ( context ) ; } catch ( JexlException jexlExc ) { LOG . error ( "error applying JEXL expression to... | Format the name for the given result . | 99 | 8 |
158,513 | protected void populateContext ( JexlContext context , Result result ) { context . set ( VAR_CLASSNAME , result . getClassName ( ) ) ; context . set ( VAR_ATTRIBUTE_NAME , result . getAttributeName ( ) ) ; context . set ( VAR_CLASSNAME_ALIAS , result . getKeyAlias ( ) ) ; Map < String , String > typeNameMap = TypeNameV... | Populate the context with values from the result . | 190 | 10 |
158,514 | public String getDataSourceName ( String typeName , String attributeName , List < String > valuePath ) { String result ; String entry = StringUtils . join ( valuePath , ' ' ) ; if ( typeName != null ) { result = typeName + attributeName + entry ; } else { result = attributeName + entry ; } if ( attributeName . length (... | rrd datasources must be less than 21 characters in length so work to make it shorter . Not ideal at all but works fairly well it seems . | 171 | 30 |
158,515 | protected void rrdToolUpdate ( String template , String data ) throws Exception { List < String > commands = new ArrayList <> ( ) ; commands . add ( binaryPath + "/rrdtool" ) ; commands . add ( "update" ) ; commands . add ( outputFile . getCanonicalPath ( ) ) ; commands . add ( "-t" ) ; commands . add ( template ) ; co... | Executes the rrdtool update command . | 126 | 9 |
158,516 | protected void rrdToolCreateDatabase ( RrdDef def ) throws Exception { List < String > commands = new ArrayList <> ( ) ; commands . add ( this . binaryPath + "/rrdtool" ) ; commands . add ( "create" ) ; commands . add ( this . outputFile . getCanonicalPath ( ) ) ; commands . add ( "-s" ) ; commands . add ( String . val... | Calls out to the rrdtool binary with the create command . | 260 | 14 |
158,517 | private void checkErrorStream ( Process process ) throws Exception { // rrdtool should use platform encoding (unless you did something // very strange with your installation of rrdtool). So let's be // explicit and use the presumed correct encoding to read errors. try ( InputStream is = process . getErrorStream ( ) ; I... | Check to see if there was an error processing an rrdtool command | 174 | 14 |
158,518 | private String getRraStr ( ArcDef def ) { return "RRA:" + def . getConsolFun ( ) + ":" + def . getXff ( ) + ":" + def . getSteps ( ) + ":" + def . getRows ( ) ; } | Generate a RRA line for rrdtool | 61 | 10 |
158,519 | private List < String > getDsNames ( DsDef [ ] defs ) { List < String > names = new ArrayList <> ( ) ; for ( DsDef def : defs ) { names . add ( def . getDsName ( ) ) ; } return names ; } | Get a list of DsNames used to create the datasource . | 61 | 14 |
158,520 | public void add ( URL url ) { URLClassLoader sysLoader = ( URLClassLoader ) ClassLoader . getSystemClassLoader ( ) ; Class sysClass = URLClassLoader . class ; try { Method method = sysClass . getDeclaredMethod ( "addURL" , URL . class ) ; method . setAccessible ( true ) ; method . invoke ( sysLoader , new Object [ ] { ... | Add the given URL to the system class loader . | 145 | 10 |
158,521 | private static void describeClassTree ( Class < ? > inputClass , Set < Class < ? > > setOfClasses ) { // can't map null class if ( inputClass == null ) { return ; } // don't further analyze a class that has been analyzed already if ( Object . class . equals ( inputClass ) || setOfClasses . contains ( inputClass ) ) { r... | Recursive handler for describing the set of classes while using the setOfClasses parameter as a collector | 162 | 20 |
158,522 | private static Set < Class < ? > > describeClassTree ( Class < ? > inputClass ) { if ( inputClass == null ) { return Collections . emptySet ( ) ; } // create result collector Set < Class < ? > > classes = Sets . newLinkedHashSet ( ) ; // describe tree describeClassTree ( inputClass , classes ) ; return classes ; } | Given an object return the set of classes that it extends or implements . | 78 | 14 |
158,523 | public void usage ( StringBuilder out , String indent ) { if ( commander . getDescriptions ( ) == null ) { commander . createDescriptions ( ) ; } boolean hasCommands = ! commander . getCommands ( ) . isEmpty ( ) ; boolean hasOptions = ! commander . getDescriptions ( ) . isEmpty ( ) ; // Indentation constants final int ... | Stores the usage in the argument string builder with the argument indentation . This works by appending each portion of the help in the following order . Their outputs can be modified by overriding them in a subclass of this class . | 340 | 45 |
158,524 | @ SuppressWarnings ( "deprecation" ) private ResourceBundle findResourceBundle ( Object o ) { ResourceBundle result = null ; Parameters p = o . getClass ( ) . getAnnotation ( Parameters . class ) ; if ( p != null && ! isEmpty ( p . resourceBundle ( ) ) ) { result = ResourceBundle . getBundle ( p . resourceBundle ( ) , ... | Find the resource bundle in the annotations . | 192 | 8 |
158,525 | public final void addObject ( Object object ) { if ( object instanceof Iterable ) { // Iterable for ( Object o : ( Iterable < ? > ) object ) { objects . add ( o ) ; } } else if ( object . getClass ( ) . isArray ( ) ) { // Array for ( Object o : ( Object [ ] ) object ) { objects . add ( o ) ; } } else { // Single object... | declared final since this is invoked from constructors | 100 | 10 |
158,526 | public void parse ( String ... args ) { try { parse ( true /* validate */ , args ) ; } catch ( ParameterException ex ) { ex . setJCommander ( this ) ; throw ex ; } } | Parse and validate the command line parameters . | 45 | 9 |
158,527 | private void validateOptions ( ) { // No validation if we found a help parameter if ( helpWasSpecified ) { return ; } if ( ! requiredFields . isEmpty ( ) ) { List < String > missingFields = new ArrayList <> ( ) ; for ( ParameterDescription pd : requiredFields . values ( ) ) { missingFields . add ( "[" + Strings . join ... | Make sure that all the required parameters have received a value . | 416 | 12 |
158,528 | private List < String > readFile ( String fileName ) { List < String > result = Lists . newArrayList ( ) ; try ( BufferedReader bufRead = Files . newBufferedReader ( Paths . get ( fileName ) , options . atFileCharset ) ) { String line ; // Read through file one line at time. Print line # and line while ( ( line = bufRe... | Reads the file specified by filename and returns the file content as a string . End of lines are replaced by a space . | 176 | 25 |
158,529 | private static String trim ( String string ) { String result = string . trim ( ) ; if ( result . startsWith ( "\"" ) && result . endsWith ( "\"" ) && result . length ( ) > 1 ) { result = result . substring ( 1 , result . length ( ) - 1 ) ; } return result ; } | Remove spaces at both ends and handle double quotes . | 72 | 10 |
158,530 | private char [ ] readPassword ( String description , boolean echoInput ) { getConsole ( ) . print ( description + ": " ) ; return getConsole ( ) . readPassword ( echoInput ) ; } | Invoke Console . readPassword through reflection to avoid depending on Java 6 . | 43 | 15 |
158,531 | public void setProgramName ( String name , String ... aliases ) { programName = new ProgramName ( name , Arrays . asList ( aliases ) ) ; } | Set the program name | 34 | 4 |
158,532 | public void addConverterFactory ( final IStringConverterFactory converterFactory ) { addConverterInstanceFactory ( new IStringConverterInstanceFactory ( ) { @ SuppressWarnings ( "unchecked" ) @ Override public IStringConverter < ? > getConverterInstance ( Parameter parameter , Class < ? > forType , String optionName ) ... | Adds a factory to lookup string converters . The added factory is used prior to previously added factories . | 204 | 20 |
158,533 | public void addCommand ( String name , Object object , String ... aliases ) { JCommander jc = new JCommander ( options ) ; jc . addObject ( object ) ; jc . createDescriptions ( ) ; jc . setProgramName ( name , aliases ) ; ProgramName progName = jc . programName ; commands . put ( progName , jc ) ; /* * Register aliases... | Add a command object and its aliases . | 278 | 8 |
158,534 | private boolean itemIsObscuredByHeader ( RecyclerView parent , View item , View header , int orientation ) { RecyclerView . LayoutParams layoutParams = ( RecyclerView . LayoutParams ) item . getLayoutParams ( ) ; mDimensionCalculator . initMargins ( mTempRect1 , header ) ; int adapterPosition = parent . getChildAdapter... | Determines if an item is obscured by a header | 317 | 11 |
158,535 | public void drawHeader ( RecyclerView recyclerView , Canvas canvas , View header , Rect offset ) { canvas . save ( ) ; if ( recyclerView . getLayoutManager ( ) . getClipToPadding ( ) ) { // Clip drawing of headers to the padding of the RecyclerView. Avoids drawing in the padding initClipRectForHeader ( mTempRect , recy... | Draws a header to a canvas offsetting by some x and y amount | 129 | 15 |
158,536 | public static boolean isIanaRel ( String relation ) { Assert . notNull ( relation , "Link relation must not be null!" ) ; return LINK_RELATIONS . stream ( ) // . anyMatch ( it -> it . value ( ) . equalsIgnoreCase ( relation ) ) ; } | Is this relation an IANA standard? Per RFC 8288 parsing of link relations is case insensitive . | 62 | 20 |
158,537 | public List < MethodParameter > getParametersOfType ( Class < ? > type ) { Assert . notNull ( type , "Type must not be null!" ) ; return getParameters ( ) . stream ( ) // . filter ( it -> it . getParameterType ( ) . equals ( type ) ) // . collect ( Collectors . toList ( ) ) ; } | Returns all parameters of the given type . | 77 | 8 |
158,538 | public static boolean isTemplate ( String candidate ) { return StringUtils . hasText ( candidate ) // ? VARIABLE_REGEX . matcher ( candidate ) . find ( ) : false ; } | Returns whether the given candidate is a URI template . | 43 | 10 |
158,539 | public List < String > getVariableNames ( ) { return variables . asList ( ) . stream ( ) // . map ( TemplateVariable :: getName ) // . collect ( Collectors . toList ( ) ) ; } | Returns the names of the variables discovered . | 46 | 8 |
158,540 | private static String join ( String typeMapping , String mapping ) { return MULTIPLE_SLASHES . matcher ( typeMapping . concat ( "/" ) . concat ( mapping ) ) . replaceAll ( "/" ) ; } | Joins the given mappings making sure exactly one slash . | 53 | 12 |
158,541 | public static String encodePath ( Object source ) { Assert . notNull ( source , "Path value must not be null!" ) ; try { return UriUtils . encodePath ( source . toString ( ) , ENCODING ) ; } catch ( Throwable e ) { throw new IllegalStateException ( e ) ; } } | Encodes the given path value . | 70 | 7 |
158,542 | public static String encodeParameter ( Object source ) { Assert . notNull ( source , "Request parameter value must not be null!" ) ; try { return UriUtils . encodeQueryParam ( source . toString ( ) , ENCODING ) ; } catch ( Throwable e ) { throw new IllegalStateException ( e ) ; } } | Encodes the given request parameter value . | 72 | 8 |
158,543 | protected D createModelWithId ( Object id , T entity ) { return createModelWithId ( id , entity , new Object [ 0 ] ) ; } | Creates a new resource with a self link to the given id . | 32 | 14 |
158,544 | private static void validate ( RepresentationModel < ? > resource , HalFormsAffordanceModel model ) { String affordanceUri = model . getURI ( ) ; String selfLinkUri = resource . getRequiredLink ( IanaLinkRelations . SELF . value ( ) ) . expand ( ) . getHref ( ) ; if ( ! affordanceUri . equals ( selfLinkUri ) ) { throw ... | Verify that the resource s self link and the affordance s URI have the same relative path . | 133 | 20 |
158,545 | public Hop withParameter ( String name , Object value ) { Assert . hasText ( name , "Name must not be null or empty!" ) ; HashMap < String , Object > parameters = new HashMap <> ( this . parameters ) ; parameters . put ( name , value ) ; return new Hop ( this . rel , parameters , this . headers ) ; } | Add one parameter to the map of parameters . | 76 | 9 |
158,546 | public Hop header ( String headerName , String headerValue ) { Assert . hasText ( headerName , "headerName must not be null or empty!" ) ; if ( this . headers == HttpHeaders . EMPTY ) { HttpHeaders newHeaders = new HttpHeaders ( ) ; newHeaders . add ( headerName , headerValue ) ; return new Hop ( this . rel , this . pa... | Add one header to the HttpHeaders collection . | 113 | 11 |
158,547 | private static List < UberData > doExtractLinksAndContent ( Object item ) { if ( item instanceof EntityModel ) { return extractLinksAndContent ( ( EntityModel < ? > ) item ) ; } if ( item instanceof RepresentationModel ) { return extractLinksAndContent ( ( RepresentationModel < ? > ) item ) ; } return extractLinksAndCo... | Extract links and content from an object of any type . | 89 | 12 |
158,548 | @ JsonIgnore public HalFormsTemplate getTemplate ( String key ) { Assert . notNull ( key , "Template key must not be null!" ) ; return this . templates . get ( key ) ; } | Returns the template with the given name . | 46 | 8 |
158,549 | public HalFormsDocument < T > andEmbedded ( HalLinkRelation key , Object value ) { Assert . notNull ( key , "Embedded key must not be null!" ) ; Assert . notNull ( value , "Embedded value must not be null!" ) ; Map < HalLinkRelation , Object > embedded = new HashMap <> ( this . embedded ) ; embedded . put ( key , value... | Adds the given value as embedded one . | 116 | 8 |
158,550 | @ Nullable public Object toRawData ( JavaType javaType ) { if ( this . data . isEmpty ( ) ) { return null ; } if ( PRIMITIVE_TYPES . contains ( javaType . getRawClass ( ) ) ) { return this . data . get ( 0 ) . getValue ( ) ; } return PropertyUtils . createObjectFromProperties ( javaType . getRawClass ( ) , // this . da... | Generate an object used the deserialized properties and the provided type from the deserializer . | 128 | 20 |
158,551 | @ SuppressWarnings ( "unchecked" ) public T add ( Link link ) { Assert . notNull ( link , "Link must not be null!" ) ; this . links . add ( link ) ; return ( T ) this ; } | Adds the given link to the resource . | 53 | 8 |
158,552 | private static void insertJsonColumn ( CqlSession session ) { User alice = new User ( "alice" , 30 ) ; User bob = new User ( "bob" , 35 ) ; // Build and execute a simple statement Statement stmt = insertInto ( "examples" , "json_jackson_column" ) . value ( "id" , literal ( 1 ) ) // the User object will be converted int... | Mapping a User instance to a table column | 278 | 9 |
158,553 | private static void selectJsonColumn ( CqlSession session ) { Statement stmt = selectFrom ( "examples" , "json_jackson_column" ) . all ( ) . whereColumn ( "id" ) . in ( literal ( 1 ) , literal ( 2 ) ) . build ( ) ; ResultSet rows = session . execute ( stmt ) ; for ( Row row : rows ) { int id = row . getInt ( "id" ) ; /... | Retrieving User instances from a table column | 194 | 8 |
158,554 | public static String opcodeString ( int opcode ) { switch ( opcode ) { case ProtocolConstants . Opcode . ERROR : return "ERROR" ; case ProtocolConstants . Opcode . STARTUP : return "STARTUP" ; case ProtocolConstants . Opcode . READY : return "READY" ; case ProtocolConstants . Opcode . AUTHENTICATE : return "AUTHENTICAT... | Formats a message opcode for logs and error messages . | 345 | 12 |
158,555 | public static String errorCodeString ( int errorCode ) { switch ( errorCode ) { case ProtocolConstants . ErrorCode . SERVER_ERROR : return "SERVER_ERROR" ; case ProtocolConstants . ErrorCode . PROTOCOL_ERROR : return "PROTOCOL_ERROR" ; case ProtocolConstants . ErrorCode . AUTH_ERROR : return "AUTH_ERROR" ; case Protoco... | Formats an error code for logs and error messages . | 452 | 11 |
158,556 | public void reconnectNow ( boolean forceIfStopped ) { assert executor . inEventLoop ( ) ; if ( state == State . ATTEMPT_IN_PROGRESS || state == State . STOP_AFTER_CURRENT ) { LOG . debug ( "[{}] reconnectNow and current attempt was still running, letting it complete" , logPrefix ) ; if ( state == State . STOP_AFTER_CUR... | Forces a reconnection now without waiting for the next scheduled attempt . | 295 | 14 |
158,557 | private void onNextAttemptStarted ( CompletionStage < Boolean > futureOutcome ) { assert executor . inEventLoop ( ) ; state = State . ATTEMPT_IN_PROGRESS ; futureOutcome . whenCompleteAsync ( this :: onNextAttemptCompleted , executor ) . exceptionally ( UncaughtExceptions :: log ) ; } | the CompletableFuture to find out if that succeeded or not . | 73 | 14 |
158,558 | public static < T > T getCompleted ( CompletionStage < T > stage ) { CompletableFuture < T > future = stage . toCompletableFuture ( ) ; Preconditions . checkArgument ( future . isDone ( ) && ! future . isCompletedExceptionally ( ) ) ; try { return future . get ( ) ; } catch ( InterruptedException | ExecutionException e... | Get the result now when we know for sure that the future is complete . | 111 | 15 |
158,559 | public static Throwable getFailed ( CompletionStage < ? > stage ) { CompletableFuture < ? > future = stage . toCompletableFuture ( ) ; Preconditions . checkArgument ( future . isCompletedExceptionally ( ) ) ; try { future . get ( ) ; throw new AssertionError ( "future should be failed" ) ; } catch ( InterruptedExceptio... | Get the error now when we know for sure that the future is failed . | 120 | 15 |
158,560 | private CompletionStage < Void > prepareOnOtherNode ( Node node ) { LOG . trace ( "[{}] Repreparing on {}" , logPrefix , node ) ; DriverChannel channel = session . getChannel ( node , logPrefix ) ; if ( channel == null ) { LOG . trace ( "[{}] Could not get a channel to reprepare on {}, skipping" , logPrefix , node ) ; ... | blocking the preparation will be retried later on that node . Simply warn and move on . | 253 | 18 |
158,561 | private static void insertJsonColumn ( CqlSession session ) { JsonObject alice = Json . createObjectBuilder ( ) . add ( "name" , "alice" ) . add ( "age" , 30 ) . build ( ) ; JsonObject bob = Json . createObjectBuilder ( ) . add ( "name" , "bob" ) . add ( "age" , 35 ) . build ( ) ; // Build and execute a simple statemen... | Mapping a JSON object to a table column | 368 | 9 |
158,562 | public static void warnWithException ( Logger logger , String format , Object ... arguments ) { if ( logger . isDebugEnabled ( ) ) { logger . warn ( format , arguments ) ; } else { Object last = arguments [ arguments . length - 1 ] ; if ( last instanceof Throwable ) { Throwable t = ( Throwable ) last ; arguments [ argu... | Emits a warning log that includes an exception . If the current level is debug the full stack trace is included otherwise only the exception s message . | 152 | 29 |
158,563 | private void savePort ( DriverChannel channel ) { if ( port < 0 ) { SocketAddress address = channel . getEndPoint ( ) . resolve ( ) ; if ( address instanceof InetSocketAddress ) { port = ( ( InetSocketAddress ) address ) . getPort ( ) ; } } } | We save it the first time we get a control connection channel . | 64 | 13 |
158,564 | @ NonNull @ Override public Iterator < AdminRow > iterator ( ) { return new AbstractIterator < AdminRow > ( ) { @ Override protected AdminRow computeNext ( ) { List < ByteBuffer > rowData = data . poll ( ) ; return ( rowData == null ) ? endOfData ( ) : new AdminRow ( columnSpecs , rowData , protocolVersion ) ; } } ; } | This consumes the result s data and can be called only once . | 86 | 13 |
158,565 | protected TypeCodec < ? > createCodec ( GenericType < ? > javaType , boolean isJavaCovariant ) { TypeToken < ? > token = javaType . __getToken ( ) ; if ( List . class . isAssignableFrom ( token . getRawType ( ) ) && token . getType ( ) instanceof ParameterizedType ) { Type [ ] typeArguments = ( ( ParameterizedType ) to... | Variant where the CQL type is unknown . Can be covariant if we come from a lookup by Java value . | 487 | 24 |
158,566 | protected TypeCodec < ? > createCodec ( DataType cqlType ) { if ( cqlType instanceof ListType ) { DataType elementType = ( ( ListType ) cqlType ) . getElementType ( ) ; TypeCodec < Object > elementCodec = codecFor ( elementType ) ; return TypeCodecs . listOf ( elementCodec ) ; } else if ( cqlType instanceof SetType ) {... | Variant where the Java type is unknown . | 364 | 9 |
158,567 | private static < DeclaredT , RuntimeT > TypeCodec < DeclaredT > uncheckedCast ( TypeCodec < RuntimeT > codec ) { @ SuppressWarnings ( "unchecked" ) TypeCodec < DeclaredT > result = ( TypeCodec < DeclaredT > ) codec ; return result ; } | We call this after validating the types so we know the cast will never fail . | 69 | 17 |
158,568 | protected long computeNext ( long last ) { long currentTick = clock . currentTimeMicros ( ) ; if ( last >= currentTick ) { maybeLog ( currentTick , last ) ; return last + 1 ; } return currentTick ; } | Compute the next timestamp given the current clock tick and the last timestamp returned . | 54 | 16 |
158,569 | public static int skipSpaces ( String toParse , int idx ) { while ( isBlank ( toParse . charAt ( idx ) ) && idx < toParse . length ( ) ) ++ idx ; return idx ; } | Returns the index of the first character in toParse from idx that is not a space . | 55 | 20 |
158,570 | public static int skipCQLValue ( String toParse , int idx ) { if ( idx >= toParse . length ( ) ) throw new IllegalArgumentException ( ) ; if ( isBlank ( toParse . charAt ( idx ) ) ) throw new IllegalArgumentException ( ) ; int cbrackets = 0 ; int sbrackets = 0 ; int parens = 0 ; boolean inString = false ; do { char c =... | Assuming that idx points to the beginning of a CQL value in toParse returns the index of the first character after this value . | 530 | 28 |
158,571 | public static int skipCQLId ( String toParse , int idx ) { if ( idx >= toParse . length ( ) ) throw new IllegalArgumentException ( ) ; char c = toParse . charAt ( idx ) ; if ( isCqlIdentifierChar ( c ) ) { while ( idx < toParse . length ( ) && isCqlIdentifierChar ( toParse . charAt ( idx ) ) ) idx ++ ; return idx ; } i... | Assuming that idx points to the beginning of a CQL identifier in toParse returns the index of the first character after this identifier . | 224 | 28 |
158,572 | public < EventT > Object register ( Class < EventT > eventClass , Consumer < EventT > listener ) { LOG . debug ( "[{}] Registering {} for {}" , logPrefix , listener , eventClass ) ; listeners . put ( eventClass , listener ) ; // The reason for the key mechanism is that this will often be used with method references, //... | Registers a listener for an event type . | 120 | 9 |
158,573 | public < EventT > boolean unregister ( Object key , Class < EventT > eventClass ) { LOG . debug ( "[{}] Unregistering {} for {}" , logPrefix , key , eventClass ) ; return listeners . remove ( eventClass , key ) ; } | Unregisters a listener . | 59 | 6 |
158,574 | public void fire ( Object event ) { LOG . debug ( "[{}] Firing an instance of {}: {}" , logPrefix , event . getClass ( ) , event ) ; // if the exact match thing gets too cumbersome, we can reconsider, but I'd like to avoid // scanning all the keys with instanceof checks. Class < ? > eventClass = event . getClass ( ) ; ... | Sends an event that will notify any registered listener for that class . | 160 | 14 |
158,575 | public static boolean needsDoubleQuotes ( String s ) { // this method should only be called for C*-provided identifiers, // so we expect it to be non-null and non-empty. assert s != null && ! s . isEmpty ( ) ; char c = s . charAt ( 0 ) ; if ( ! ( c >= 97 && c <= 122 ) ) // a-z return true ; for ( int i = 1 ; i < s . le... | Whether a string needs double quotes to be a valid CQL identifier . | 173 | 14 |
158,576 | public static boolean isLongLiteral ( String str ) { if ( str == null || str . isEmpty ( ) ) return false ; char [ ] chars = str . toCharArray ( ) ; for ( int i = 0 ; i < chars . length ; i ++ ) { char c = chars [ i ] ; if ( ( c < ' ' && ( i != 0 || c != ' ' ) ) || c > ' ' ) return false ; } return true ; } | Check whether the given string corresponds to a valid CQL long literal . Long literals are composed solely by digits but can have an optional leading minus sign . | 100 | 31 |
158,577 | @ NonNull public String asCql ( boolean pretty ) { if ( pretty ) { return Strings . needsDoubleQuotes ( internal ) ? Strings . doubleQuote ( internal ) : internal ; } else { return Strings . doubleQuote ( internal ) ; } } | Returns the identifier in a format appropriate for concatenation in a CQL query . | 55 | 17 |
158,578 | public Map < String , String > build ( ) { NullAllowingImmutableMap . Builder < String , String > builder = NullAllowingImmutableMap . builder ( 3 ) ; // add compression (if configured) and driver name and version String compressionAlgorithm = context . getCompressor ( ) . algorithm ( ) ; if ( compressionAlgorithm != n... | Builds a map of options to send in a Startup message . | 152 | 13 |
158,579 | private void connect ( ) { session = CqlSession . builder ( ) . build ( ) ; System . out . printf ( "Connected to session: %s%n" , session . getName ( ) ) ; } | Initiates a connection to the session specified by the application . conf . | 47 | 15 |
158,580 | private ResultSet read ( ConsistencyLevel cl , int retryCount ) { System . out . printf ( "Reading at %s (retry count: %d)%n" , cl , retryCount ) ; Statement stmt = SimpleStatement . newInstance ( "SELECT sensor_id, date, timestamp, value " + "FROM downgrading.sensor_data " + "WHERE " + "sensor_id = 756716f7-2e54-4715-... | Queries data retrying if necessary with a downgraded CL . | 598 | 13 |
158,581 | private void display ( ResultSet rows ) { final int width1 = 38 ; final int width2 = 12 ; final int width3 = 30 ; final int width4 = 21 ; String format = "%-" + width1 + "s%-" + width2 + "s%-" + width3 + "s%-" + width4 + "s%n" ; // headings System . out . printf ( format , "sensor_id" , "date" , "timestamp" , "value" )... | Displays the results on the console . | 194 | 8 |
158,582 | private static ConsistencyLevel downgrade ( ConsistencyLevel current , int acknowledgements , DriverException original ) { if ( acknowledgements >= 3 ) { return DefaultConsistencyLevel . THREE ; } if ( acknowledgements == 2 ) { return DefaultConsistencyLevel . TWO ; } if ( acknowledgements == 1 ) { return DefaultConsis... | Downgrades the current consistency level to the highest level that is likely to succeed given the number of acknowledgements received . Rethrows the original exception if the current consistency level cannot be downgraded any further . | 160 | 41 |
158,583 | private static void drawLine ( int ... widths ) { for ( int width : widths ) { for ( int i = 1 ; i < width ; i ++ ) { System . out . print ( ' ' ) ; } System . out . print ( ' ' ) ; } System . out . println ( ) ; } | Draws a line to isolate headings from rows . | 67 | 11 |
158,584 | public void querySchema ( ) { ResultSet results = session . execute ( "SELECT * FROM simplex.playlists " + "WHERE id = 2cc9ccb7-6221-4ccb-8387-f22b6a1b354d;" ) ; System . out . printf ( "%-30s\t%-20s\t%-20s%n" , "title" , "album" , "artist" ) ; System . out . println ( "-------------------------------+-----------------... | Queries and displays data . | 179 | 6 |
158,585 | public static Class < ? > loadClass ( ClassLoader classLoader , String className ) { try { // If input classLoader is null, use current thread's ClassLoader, if that is null, use // default (calling class') ClassLoader. ClassLoader cl = classLoader != null ? classLoader : Thread . currentThread ( ) . getContextClassLoa... | Loads a class by name . | 127 | 7 |
158,586 | public static < ComponentT > Optional < ComponentT > buildFromConfig ( InternalDriverContext context , DriverOption classNameOption , Class < ComponentT > expectedSuperType , String ... defaultPackages ) { return buildFromConfig ( context , null , classNameOption , expectedSuperType , defaultPackages ) ; } | Tries to create an instance of a class given an option defined in the driver configuration . | 65 | 18 |
158,587 | public static < ComponentT > Map < String , ComponentT > buildFromConfigProfiles ( InternalDriverContext context , DriverOption rootOption , Class < ComponentT > expectedSuperType , String ... defaultPackages ) { // Find out how many distinct configurations we have ListMultimap < Object , String > profilesByConfig = Mu... | Tries to create multiple instances of a class given options defined in the driver configuration and possibly overridden in profiles . | 324 | 23 |
158,588 | public Map < CqlIdentifier , UserDefinedType > parse ( Collection < AdminRow > typeRows , CqlIdentifier keyspaceId ) { if ( typeRows . isEmpty ( ) ) { return Collections . emptyMap ( ) ; } else { Map < CqlIdentifier , UserDefinedType > types = new LinkedHashMap <> ( ) ; for ( AdminRow row : topologicalSort ( typeRows ,... | Contrary to other element parsers this one processes all the types of a keyspace in one go . UDTs can depend on each other but the system table returns them in alphabetical order . In order to properly build the definitions we need to do a topological sort of the rows first so that each type is parsed after its depende... | 146 | 69 |
158,589 | public CompletionStage < Void > init ( boolean listenToClusterEvents , boolean reconnectOnFailure , boolean useInitialReconnectionSchedule ) { RunOrSchedule . on ( adminExecutor , ( ) -> singleThreaded . init ( listenToClusterEvents , reconnectOnFailure , useInitialReconnectionSchedule ) ) ; return singleThreaded . ini... | Initializes the control connection . If it is already initialized this is a no - op and all parameters are ignored . | 82 | 23 |
158,590 | public CompletionStage < Void > setKeyspace ( CqlIdentifier newKeyspaceName ) { return RunOrSchedule . on ( adminExecutor , ( ) -> singleThreaded . setKeyspace ( newKeyspaceName ) ) ; } | Changes the keyspace name on all the channels in this pool . | 52 | 13 |
158,591 | public List < String > getPreReleaseLabels ( ) { return preReleases == null ? null : Collections . unmodifiableList ( Arrays . asList ( preReleases ) ) ; } | The pre - release labels if relevant i . e . label1 and label2 in X . Y . Z - label1 - lable2 . | 42 | 30 |
158,592 | private void processNodeStateEvent ( NodeStateEvent event ) { switch ( stateRef . get ( ) ) { case BEFORE_INIT : case DURING_INIT : throw new AssertionError ( "Filter should not be marked ready until LBP init" ) ; case CLOSING : return ; // ignore case RUNNING : for ( LoadBalancingPolicy policy : policies ) { if ( even... | once it has gone through the filter | 223 | 7 |
158,593 | @ VisibleForTesting static String reverse ( InetAddress address ) { byte [ ] bytes = address . getAddress ( ) ; if ( bytes . length == 4 ) return reverseIpv4 ( bytes ) ; else return reverseIpv6 ( bytes ) ; } | Builds the reversed domain name in the ARPA domain to perform the reverse lookup | 57 | 16 |
158,594 | public int firstIndexOf ( CqlIdentifier id ) { Integer index = byId . get ( id ) ; return ( index == null ) ? - 1 : index ; } | Returns the first occurrence of a given identifier or - 1 if it s not in the list . | 37 | 19 |
158,595 | private static void insertWithCoreApi ( CqlSession session ) { // Bind in a simple statement: session . execute ( SimpleStatement . newInstance ( "INSERT INTO examples.querybuilder_json JSON ?" , "{ \"id\": 1, \"name\": \"Mouse\", \"specs\": { \"color\": \"silver\" } }" ) ) ; // Bind in a prepared statement: // (subseq... | Demonstrates data insertion with the core API i . e . providing the full query strings . | 250 | 19 |
158,596 | private static void selectWithCoreApi ( CqlSession session ) { // Reading the whole row as a JSON object: Row row = session . execute ( SimpleStatement . newInstance ( "SELECT JSON * FROM examples.querybuilder_json WHERE id = ?" , 1 ) ) . one ( ) ; assert row != null ; System . out . printf ( "Entry #1 as JSON: %s%n" ,... | Demonstrates data retrieval with the core API i . e . providing the full query strings . | 208 | 19 |
158,597 | public UserDefinedTypeBuilder withField ( CqlIdentifier name , DataType type ) { fieldNames . add ( name ) ; fieldTypes . add ( type ) ; return this ; } | Adds a new field . The fields in the resulting type will be in the order of the calls to this method . | 40 | 23 |
158,598 | public DefaultMetadata withNodes ( Map < UUID , Node > newNodes , boolean tokenMapEnabled , boolean tokensChanged , TokenFactory tokenFactory , InternalDriverContext context ) { // Force a rebuild if at least one node has different tokens, or there are new or removed nodes. boolean forceFullRebuild = tokensChanged || !... | Refreshes the current metadata with the given list of nodes . | 130 | 13 |
158,599 | private void sendRequest ( Node retriedNode , Queue < Node > queryPlan , int currentExecutionIndex , int retryCount , boolean scheduleNextExecution ) { if ( result . isDone ( ) ) { return ; } Node node = retriedNode ; DriverChannel channel = null ; if ( node == null || ( channel = session . getChannel ( node , logPrefi... | Sends the request to the next available node . | 302 | 10 |
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