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private int [ ] convertBatch ( int [ ] batch ) { int [ ] conv = new int [ batch . length ] ; for ( int i = 0 ; i < batch . length ; i ++ ) { conv [ i ] = sample [ batch [ i ] ] ; } return conv ; }
Converts a batch indexing into the sample to a batch indexing into the original function .
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public static boolean containsAtLeastOneNonBlank ( List < String > list ) { for ( String str : list ) { if ( StringUtils . isNotBlank ( str ) ) { return true ; } } return false ; }
Check that a list allowing null and empty item contains at least one element that is not blank .
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public static List < Integer > toIntegerList ( List < String > strList , boolean failOnException ) { List < Integer > intList = new ArrayList < Integer > ( ) ; for ( String str : strList ) { try { intList . add ( Integer . parseInt ( str ) ) ; } catch ( NumberFormatException nfe ) { if ( failOnException ) { return null ; } else { intList . add ( null ) ; } } } return intList ; }
Parse a list of String into a list of Integer . If one element can not be parsed the behavior depends on the value of failOnException .
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public static void add ( double [ ] array1 , double [ ] array2 ) { assert ( array1 . length == array2 . length ) ; for ( int i = 0 ; i < array1 . length ; i ++ ) { array1 [ i ] += array2 [ i ] ; } }
Each element of the second array is added to each element of the first .
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public static boolean containsOnlyNull ( Object ... values ) { for ( Object o : values ) { if ( o != null ) { return false ; } } return true ; }
Check that an array only contains null elements .
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public static boolean containsOnlyNotNull ( Object ... values ) { for ( Object o : values ) { if ( o == null ) { return false ; } } return true ; }
Check that an array only contains elements that are not null .
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@ RequestMapping ( value = "/soy/compileJs" , method = GET ) public ResponseEntity < String > compile ( @ RequestParam ( required = false , value = "hash" , defaultValue = "" ) final String hash , @ RequestParam ( required = true , value = "file" ) final String [ ] templateFileNames , @ RequestParam ( required = false , value = "locale" ) String locale , @ RequestParam ( required = false , value = "disableProcessors" , defaultValue = "false" ) String disableProcessors , final HttpServletRequest request ) throws IOException { return compileJs ( templateFileNames , hash , new Boolean ( disableProcessors ) . booleanValue ( ) , request , locale ) ; }
An endpoint to compile an array of soy templates to JavaScript .
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public int [ ] sampleBatchWithReplacement ( ) { // Sample the indices with replacement. int [ ] batch = new int [ batchSize ] ; for ( int i = 0 ; i < batch . length ; i ++ ) { batch [ i ] = Prng . nextInt ( numExamples ) ; } return batch ; }
Samples a batch of indices in the range [ 0 numExamples ) with replacement .
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public int [ ] sampleBatchWithoutReplacement ( ) { int [ ] batch = new int [ batchSize ] ; for ( int i = 0 ; i < batch . length ; i ++ ) { if ( cur == indices . length ) { cur = 0 ; } if ( cur == 0 ) { IntArrays . shuffle ( indices ) ; } batch [ i ] = indices [ cur ++ ] ; } return batch ; }
Samples a batch of indices in the range [ 0 numExamples ) without replacement .
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public void adjustGlassSize ( ) { if ( isGlassEnabled ( ) ) { ResizeHandler handler = getGlassResizer ( ) ; if ( handler != null ) handler . onResize ( null ) ; } }
This can be called to adjust the size of the dialog glass . It is implemented using JSNI to bypass the private keyword on the glassResizer .
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public static Bounds getSymmetricBounds ( int dim , double l , double u ) { double [ ] L = new double [ dim ] ; double [ ] U = new double [ dim ] ; for ( int i = 0 ; i < dim ; i ++ ) { L [ i ] = l ; U [ i ] = u ; } return new Bounds ( L , U ) ; }
Gets bounds which are identical for all dimensions .
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public static Optional < Tag > parse ( final String httpTag ) { Tag result = null ; boolean weak = false ; String internal = httpTag ; if ( internal . startsWith ( "W/" ) ) { weak = true ; internal = internal . substring ( 2 ) ; } if ( internal . startsWith ( "\"" ) && internal . endsWith ( "\"" ) ) { result = new Tag ( internal . substring ( 1 , internal . length ( ) - 1 ) , weak ) ; } else if ( internal . equals ( "*" ) ) { result = new Tag ( "*" , weak ) ; } return Optional . ofNullable ( result ) ; }
Parses a tag formatted as defined by the HTTP standard .
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public String format ( ) { if ( getName ( ) . equals ( "*" ) ) { return "*" ; } else { StringBuilder sb = new StringBuilder ( ) ; if ( isWeak ( ) ) { sb . append ( "W/" ) ; } return sb . append ( ' ' ) . append ( getName ( ) ) . append ( ' ' ) . toString ( ) ; } }
Returns tag formatted as an HTTP tag string .
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public static PropertyResourceBundle getBundle ( String baseName , Locale locale ) throws UnsupportedEncodingException , IOException { InputStream is = UTF8PropertyResourceBundle . class . getResourceAsStream ( "/" + baseName + "_" + locale . toString ( ) + PROPERTIES_EXT ) ; if ( is != null ) { return new PropertyResourceBundle ( new InputStreamReader ( is , "UTF-8" ) ) ; } return null ; }
Get a PropertyResourceBundle able to read an UTF - 8 properties file .
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@ Override public boolean minimize ( DifferentiableBatchFunction function , IntDoubleVector point ) { return minimize ( function , point , null ) ; }
Minimize the function starting at the given initial point .
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@ SuppressWarnings ( "unchecked" ) public < T > T convertElement ( ConversionContext context , Object source , TypeReference < T > destinationType ) throws ConverterException { return ( T ) elementConverter . convert ( context , source , destinationType ) ; }
Convert element to another object given a parameterized type signature
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public Conditionals addIfMatch ( Tag tag ) { Preconditions . checkArgument ( ! modifiedSince . isPresent ( ) , String . format ( ERROR_MESSAGE , HeaderConstants . IF_MATCH , HeaderConstants . IF_MODIFIED_SINCE ) ) ; Preconditions . checkArgument ( noneMatch . isEmpty ( ) , String . format ( ERROR_MESSAGE , HeaderConstants . IF_MATCH , HeaderConstants . IF_NONE_MATCH ) ) ; List < Tag > match = new ArrayList <> ( this . match ) ; if ( tag == null ) { tag = Tag . ALL ; } if ( Tag . ALL . equals ( tag ) ) { match . clear ( ) ; } if ( ! match . contains ( Tag . ALL ) ) { if ( ! match . contains ( tag ) ) { match . add ( tag ) ; } } else { throw new IllegalArgumentException ( "Tag ALL already in the list" ) ; } return new Conditionals ( Collections . unmodifiableList ( match ) , empty ( ) , Optional . empty ( ) , unModifiedSince ) ; }
Adds tags to the If - Match header .
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public Conditionals ifModifiedSince ( LocalDateTime time ) { Preconditions . checkArgument ( match . isEmpty ( ) , String . format ( ERROR_MESSAGE , HeaderConstants . IF_MODIFIED_SINCE , HeaderConstants . IF_MATCH ) ) ; Preconditions . checkArgument ( ! unModifiedSince . isPresent ( ) , String . format ( ERROR_MESSAGE , HeaderConstants . IF_MODIFIED_SINCE , HeaderConstants . IF_UNMODIFIED_SINCE ) ) ; time = time . withNano ( 0 ) ; return new Conditionals ( empty ( ) , noneMatch , Optional . of ( time ) , Optional . empty ( ) ) ; }
You should use the server s time here . Otherwise you might get unexpected results .
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public Headers toHeaders ( ) { Headers headers = new Headers ( ) ; if ( ! getMatch ( ) . isEmpty ( ) ) { headers = headers . add ( new Header ( HeaderConstants . IF_MATCH , buildTagHeaderValue ( getMatch ( ) ) ) ) ; } if ( ! getNoneMatch ( ) . isEmpty ( ) ) { headers = headers . add ( new Header ( HeaderConstants . IF_NONE_MATCH , buildTagHeaderValue ( getNoneMatch ( ) ) ) ) ; } if ( modifiedSince . isPresent ( ) ) { headers = headers . set ( HeaderUtils . toHttpDate ( HeaderConstants . IF_MODIFIED_SINCE , modifiedSince . get ( ) ) ) ; } if ( unModifiedSince . isPresent ( ) ) { headers = headers . set ( HeaderUtils . toHttpDate ( HeaderConstants . IF_UNMODIFIED_SINCE , unModifiedSince . get ( ) ) ) ; } return headers ; }
Converts the Conditionals into real headers .
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public Collection < QName > getPortComponentQNames ( ) { //TODO:Check if there is just one QName that drives all portcomponents //or each port component can have a distinct QName (namespace/prefix) //Maintain uniqueness of the QName Map < String , QName > map = new HashMap < String , QName > ( ) ; for ( PortComponentMetaData pcm : portComponents ) { QName qname = pcm . getWsdlPort ( ) ; map . put ( qname . getPrefix ( ) , qname ) ; } return map . values ( ) ; }
Get the QNames of the port components to be declared in the namespaces
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public PortComponentMetaData getPortComponentByWsdlPort ( String name ) { ArrayList < String > pcNames = new ArrayList < String > ( ) ; for ( PortComponentMetaData pc : portComponents ) { String wsdlPortName = pc . getWsdlPort ( ) . getLocalPart ( ) ; if ( wsdlPortName . equals ( name ) ) return pc ; pcNames . add ( wsdlPortName ) ; } Loggers . METADATA_LOGGER . cannotGetPortComponentName ( name , pcNames ) ; return null ; }
Lookup a PortComponentMetaData by wsdl - port local part
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public static final void setBounds ( UIObject o , Rect bounds ) { setPosition ( o , bounds ) ; setSize ( o , bounds ) ; }
Sets the bounds of a UIObject moving and sizing to match the bounds specified . Currently used for the itemhover and useful for other absolutely positioned elements .
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public static final void setPosition ( UIObject o , Rect pos ) { Style style = o . getElement ( ) . getStyle ( ) ; style . setPropertyPx ( "left" , pos . x ) ; style . setPropertyPx ( "top" , pos . y ) ; }
Sets the position of a UIObject
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public static final void setSize ( UIObject o , Rect size ) { o . setPixelSize ( size . w , size . h ) ; }
Sets the size of a UIObject
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public static final boolean isInside ( int x , int y , Rect box ) { return ( box . x < x && x < box . x + box . w && box . y < y && y < box . y + box . h ) ; }
Determines if a point is inside a box .
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public static final boolean isMouseInside ( NativeEvent event , Element element ) { return isInside ( event . getClientX ( ) + Window . getScrollLeft ( ) , event . getClientY ( ) + Window . getScrollTop ( ) , getBounds ( element ) ) ; }
Determines if a mouse event is inside a box .
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public static final Rect getViewportBounds ( ) { return new Rect ( Window . getScrollLeft ( ) , Window . getScrollTop ( ) , Window . getClientWidth ( ) , Window . getClientHeight ( ) ) ; }
This takes into account scrolling and will be in absolute coordinates where the top left corner of the page is 0 0 but the viewport may be scrolled to something else .
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public static final Date utc2date ( Long time ) { // don't accept negative values if ( time == null || time < 0 ) return null ; // add the timezone offset time += timezoneOffsetMillis ( new Date ( time ) ) ; return new Date ( time ) ; }
Converts a time in UTC to a gwt Date object which is in the timezone of the current browser .
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public static final Long date2utc ( Date date ) { // use null for a null date if ( date == null ) return null ; long time = date . getTime ( ) ; // remove the timezone offset time -= timezoneOffsetMillis ( date ) ; return time ; }
Converts a gwt Date in the timezone of the current browser to a time in UTC .
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public static FullTypeSignature getTypeSignature ( String typeSignatureString , boolean useInternalFormFullyQualifiedName ) { String key ; if ( ! useInternalFormFullyQualifiedName ) { key = typeSignatureString . replace ( ' ' , ' ' ) . replace ( ' ' , ' ' ) ; } else { key = typeSignatureString ; } // we always use the internal form as a key for cache FullTypeSignature typeSignature = typeSignatureCache . get ( key ) ; if ( typeSignature == null ) { ClassFileTypeSignatureParser typeSignatureParser = new ClassFileTypeSignatureParser ( typeSignatureString ) ; typeSignatureParser . setUseInternalFormFullyQualifiedName ( useInternalFormFullyQualifiedName ) ; typeSignature = typeSignatureParser . parseTypeSignature ( ) ; typeSignatureCache . put ( typeSignatureString , typeSignature ) ; } return typeSignature ; }
get TypeSignature given the signature
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public static FullTypeSignature getTypeSignature ( Class < ? > clazz , Class < ? > [ ] typeArgs ) { ClassTypeSignature rawClassTypeSignature = ( ClassTypeSignature ) javaTypeToTypeSignature . getTypeSignature ( clazz ) ; TypeArgSignature [ ] typeArgSignatures = new TypeArgSignature [ typeArgs . length ] ; for ( int i = 0 ; i < typeArgs . length ; i ++ ) { typeArgSignatures [ i ] = new TypeArgSignature ( TypeArgSignature . NO_WILDCARD , ( FieldTypeSignature ) javaTypeToTypeSignature . getTypeSignature ( typeArgs [ i ] ) ) ; } ClassTypeSignature classTypeSignature = new ClassTypeSignature ( rawClassTypeSignature . getBinaryName ( ) , typeArgSignatures , rawClassTypeSignature . getOwnerTypeSignature ( ) ) ; return classTypeSignature ; }
get the TypeSignature corresponding to given class with given type arguments
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public static OptionalString ofNullable ( ResourceKey key , String value ) { return new GenericOptionalString ( RUNTIME_SOURCE , key , value ) ; }
Returns new instance of OptionalString with given key and value
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public Archetype parse ( String adl ) { try { return parse ( new StringReader ( adl ) ) ; } catch ( IOException e ) { // StringReader should never throw an IOException throw new AssertionError ( e ) ; } }
Parses an adl source into a differential archetype .
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@ SuppressWarnings ( { "unchecked" , "unused" } ) public static < T > T [ ] object2Array ( final Class < T > clazz , final Object obj ) { return ( T [ ] ) obj ; }
We try to convert an Object to an Array and this is not easy in Java so we need a little bit of nasty magic .
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public void pauseUpload ( ) throws LocalOperationException { if ( state == State . UPLOADING ) { setState ( State . PAUSED ) ; executor . hardStop ( ) ; } else { throw new LocalOperationException ( "Attempt to pause upload while assembly is not uploading" ) ; } }
Pauses the file upload . This is a blocking function that would try to wait till the assembly file uploads have actually been paused if possible .
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protected AssemblyResponse watchStatus ( ) throws LocalOperationException , RequestException { AssemblyResponse response ; do { response = getClient ( ) . getAssemblyByUrl ( url ) ; try { Thread . sleep ( 1000 ) ; } catch ( InterruptedException e ) { throw new LocalOperationException ( e ) ; } } while ( ! response . isFinished ( ) ) ; setState ( State . FINISHED ) ; return response ; }
Runs intermediate check on the Assembly status until it is finished executing then returns it as a response .
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private long getTotalUploadSize ( ) throws IOException { long size = 0 ; for ( Map . Entry < String , File > entry : files . entrySet ( ) ) { size += entry . getValue ( ) . length ( ) ; } for ( Map . Entry < String , InputStream > entry : fileStreams . entrySet ( ) ) { size += entry . getValue ( ) . available ( ) ; } return size ; }
used for upload progress
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public static < T extends InterconnectObject > T fromJson ( String data , Class < T > clazz ) throws IOException { return InterconnectMapper . mapper . readValue ( data , clazz ) ; }
Creates an object from the given JSON data .
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public Response save ( ) throws RequestException , LocalOperationException { Map < String , Object > templateData = new HashMap < String , Object > ( ) ; templateData . put ( "name" , name ) ; options . put ( "steps" , steps . toMap ( ) ) ; templateData . put ( "template" , options ) ; Request request = new Request ( transloadit ) ; return new Response ( request . post ( "/templates" , templateData ) ) ; }
Submits the configured template to Transloadit .
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public boolean matches ( String resourcePath ) { if ( ! valid ) { return false ; } if ( resourcePath == null ) { return acceptsContextPathEmpty ; } if ( contextPathRegex != null && ! contextPathRegex . matcher ( resourcePath ) . matches ( ) ) { return false ; } if ( contextPathBlacklistRegex != null && contextPathBlacklistRegex . matcher ( resourcePath ) . matches ( ) ) { return false ; } return true ; }
Checks if this service implementation accepts the given resource path .
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private ClassLoaderInterface getClassLoader ( ) { Map < String , Object > application = ActionContext . getContext ( ) . getApplication ( ) ; if ( application != null ) { return ( ClassLoaderInterface ) application . get ( ClassLoaderInterface . CLASS_LOADER_INTERFACE ) ; } return null ; }
this class loader interface can be used by other plugins to lookup resources from the bundles . A temporary class loader interface is set during other configuration loading as well
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public @ Nullable String build ( ) { StringBuilder queryString = new StringBuilder ( ) ; for ( NameValuePair param : params ) { if ( queryString . length ( ) > 0 ) { queryString . append ( PARAM_SEPARATOR ) ; } queryString . append ( Escape . urlEncode ( param . getName ( ) ) ) ; queryString . append ( VALUE_SEPARATOR ) ; queryString . append ( Escape . urlEncode ( param . getValue ( ) ) ) ; } if ( queryString . length ( ) > 0 ) { return queryString . toString ( ) ; } else { return null ; } }
Build query string .
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public AssemblyResponse cancelAssembly ( String url ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new AssemblyResponse ( request . delete ( url , new HashMap < String , Object > ( ) ) ) ; }
cancels a running assembly .
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public Response getTemplate ( String id ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new Response ( request . get ( "/templates/" + id ) ) ; }
Returns a single template .
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public Response updateTemplate ( String id , Map < String , Object > options ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new Response ( request . put ( "/templates/" + id , options ) ) ; }
Updates the template with the specified id .
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public Response deleteTemplate ( String id ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new Response ( request . delete ( "/templates/" + id , new HashMap < String , Object > ( ) ) ) ; }
Deletes a template .
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public ListResponse listTemplates ( Map < String , Object > options ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new ListResponse ( request . get ( "/templates" , options ) ) ; }
Returns a list of all templates under the user account
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public Response getBill ( int month , int year ) throws RequestException , LocalOperationException { Request request = new Request ( this ) ; return new Response ( request . get ( "/bill/" + year + String . format ( "-%02d" , month ) ) ) ; }
Returns the bill for the month specified .
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@ SuppressWarnings ( "unchecked" ) public static < T > T convert ( Object fromValue , Class < T > toType ) throws TypeCastException { return convert ( fromValue , toType , ( String ) null ) ; }
Convert given value to given target
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public SignedJWT verifyToken ( String jwtString ) throws ParseException { try { SignedJWT jwt = SignedJWT . parse ( jwtString ) ; if ( jwt . verify ( new MACVerifier ( this . jwtSharedSecret ) ) ) { return jwt ; } return null ; } catch ( JOSEException e ) { throw new RuntimeException ( "Error verifying JSON Web Token" , e ) ; } }
Check the given JWT
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public void bind ( T service , Map < String , Object > props ) { synchronized ( serviceMap ) { serviceMap . put ( ServiceUtil . getComparableForServiceRanking ( props ) , service ) ; updateSortedServices ( ) ; } }
Handle bind service event .
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public void unbind ( T service , Map < String , Object > props ) { synchronized ( serviceMap ) { serviceMap . remove ( ServiceUtil . getComparableForServiceRanking ( props ) ) ; updateSortedServices ( ) ; } }
Handle unbind service event .
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private void updateSortedServices ( ) { List < T > copiedList = new ArrayList < T > ( serviceMap . values ( ) ) ; sortedServices = Collections . unmodifiableList ( copiedList ) ; if ( changeListener != null ) { changeListener . changed ( ) ; } }
Update list of sorted services by copying it from the array and making it unmodifiable .
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public static < T > JacksonParser < T > json ( Class < T > contentType ) { return new JacksonParser <> ( null , contentType ) ; }
Creates typed parser
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public void addStep ( String name , String robot , Map < String , Object > options ) { all . put ( name , new Step ( name , robot , options ) ) ; }
Adds a new step to the list of steps .
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protected boolean determineFeatureState ( final ITemplateContext context , final IProcessableElementTag tag , final AttributeName attributeName , final String attributeValue , boolean defaultState ) { final IStandardExpressionParser expressionParser = StandardExpressions . getExpressionParser ( context . getConfiguration ( ) ) ; final IStandardExpression expression = expressionParser . parseExpression ( context , attributeValue ) ; final Object value = expression . execute ( context ) ; if ( value != null ) { return isFeatureActive ( value . toString ( ) ) ; } else { return defaultState ; } }
Determines the feature state
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public void init ( Configuration configuration ) { if ( devMode && reload && ! listeningToDispatcher ) { // this is the only way I found to be able to get added to to // ConfigurationProvider list // listening to events in Dispatcher listeningToDispatcher = true ; Dispatcher . addDispatcherListener ( this ) ; } }
Not used .
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public void addFile ( File file ) { String name = "file" ; files . put ( normalizeDuplicateName ( name ) , file ) ; }
Adds a file to your assembly but automatically generates the field name of the file .
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public void addFile ( InputStream inputStream ) { String name = "file" ; fileStreams . put ( normalizeDuplicateName ( name ) , inputStream ) ; }
Adds a file to your assembly but automatically genarates the name of the file .
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public void removeFile ( String name ) { if ( files . containsKey ( name ) ) { files . remove ( name ) ; } if ( fileStreams . containsKey ( name ) ) { fileStreams . remove ( name ) ; } }
Removes file from your assembly .
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public AssemblyResponse save ( boolean isResumable ) throws RequestException , LocalOperationException { Request request = new Request ( getClient ( ) ) ; options . put ( "steps" , steps . toMap ( ) ) ; // only do tus uploads if files will be uploaded if ( isResumable && getFilesCount ( ) > 0 ) { Map < String , String > tusOptions = new HashMap < String , String > ( ) ; tusOptions . put ( "tus_num_expected_upload_files" , Integer . toString ( getFilesCount ( ) ) ) ; AssemblyResponse response = new AssemblyResponse ( request . post ( "/assemblies" , options , tusOptions , null , null ) , true ) ; // check if the assembly returned an error if ( response . hasError ( ) ) { throw new RequestException ( "Request to Assembly failed: " + response . json ( ) . getString ( "error" ) ) ; } try { handleTusUpload ( response ) ; } catch ( IOException e ) { throw new LocalOperationException ( e ) ; } catch ( ProtocolException e ) { throw new RequestException ( e ) ; } return response ; } else { return new AssemblyResponse ( request . post ( "/assemblies" , options , null , files , fileStreams ) ) ; } }
Submits the configured assembly to Transloadit for processing .
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protected void processTusFiles ( String assemblyUrl ) throws IOException , ProtocolException { tusClient . setUploadCreationURL ( new URL ( getClient ( ) . getHostUrl ( ) + "/resumable/files/" ) ) ; tusClient . enableResuming ( tusURLStore ) ; for ( Map . Entry < String , File > entry : files . entrySet ( ) ) { processTusFile ( entry . getValue ( ) , entry . getKey ( ) , assemblyUrl ) ; } for ( Map . Entry < String , InputStream > entry : fileStreams . entrySet ( ) ) { processTusFile ( entry . getValue ( ) , entry . getKey ( ) , assemblyUrl ) ; } }
Prepares all files added for tus uploads .
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@ SuppressWarnings ( "unchecked" ) public static < T extends Serializable > T makeClone ( T from ) { return ( T ) SerializationUtils . clone ( from ) ; }
Creates a clone using java serialization
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private static int checkResult ( int result ) { if ( exceptionsEnabled && result != cudnnStatus . CUDNN_STATUS_SUCCESS ) { throw new CudaException ( cudnnStatus . stringFor ( result ) ) ; } return result ; }
If the given result is not cudnnStatus . CUDNN_STATUS_SUCCESS and exceptions have been enabled this method will throw a CudaException with an error message that corresponds to the given result code . Otherwise the given result is simply returned .
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public static int cudnnSetTensor4dDescriptorEx ( cudnnTensorDescriptor tensorDesc , int dataType , /** image data type */ int n , /** number of inputs (batch size) */ int c , /** number of input feature maps */ int h , /** height of input section */ int w , /** width of input section */ int nStride , int cStride , int hStride , int wStride ) { return checkResult ( cudnnSetTensor4dDescriptorExNative ( tensorDesc , dataType , n , c , h , w , nStride , cStride , hStride , wStride ) ) ; }
width of input section
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public static int cudnnOpTensor ( cudnnHandle handle , cudnnOpTensorDescriptor opTensorDesc , Pointer alpha1 , cudnnTensorDescriptor aDesc , Pointer A , Pointer alpha2 , cudnnTensorDescriptor bDesc , Pointer B , Pointer beta , cudnnTensorDescriptor cDesc , Pointer C ) { return checkResult ( cudnnOpTensorNative ( handle , opTensorDesc , alpha1 , aDesc , A , alpha2 , bDesc , B , beta , cDesc , C ) ) ; }
B tensor is ignored for CUDNN_OP_TENSOR_SQRT CUDNN_OP_TENSOR_NOT .
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public static int cudnnGetReductionIndicesSize ( cudnnHandle handle , cudnnReduceTensorDescriptor reduceTensorDesc , cudnnTensorDescriptor aDesc , cudnnTensorDescriptor cDesc , long [ ] sizeInBytes ) { return checkResult ( cudnnGetReductionIndicesSizeNative ( handle , reduceTensorDesc , aDesc , cDesc , sizeInBytes ) ) ; }
Helper function to return the minimum size of the index space to be passed to the reduction given the input and output tensors
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public static int cudnnGetReductionWorkspaceSize ( cudnnHandle handle , cudnnReduceTensorDescriptor reduceTensorDesc , cudnnTensorDescriptor aDesc , cudnnTensorDescriptor cDesc , long [ ] sizeInBytes ) { return checkResult ( cudnnGetReductionWorkspaceSizeNative ( handle , reduceTensorDesc , aDesc , cDesc , sizeInBytes ) ) ; }
Helper function to return the minimum size of the workspace to be passed to the reduction given the input and output tensors
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public static int cudnnReduceTensor ( cudnnHandle handle , cudnnReduceTensorDescriptor reduceTensorDesc , Pointer indices , long indicesSizeInBytes , Pointer workspace , long workspaceSizeInBytes , Pointer alpha , cudnnTensorDescriptor aDesc , Pointer A , Pointer beta , cudnnTensorDescriptor cDesc , Pointer C ) { return checkResult ( cudnnReduceTensorNative ( handle , reduceTensorDesc , indices , indicesSizeInBytes , workspace , workspaceSizeInBytes , alpha , aDesc , A , beta , cDesc , C ) ) ; }
The indices space is ignored for reduce ops other than min or max .
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public static int cudnnGetConvolutionNdDescriptor ( cudnnConvolutionDescriptor convDesc , int arrayLengthRequested , int [ ] arrayLength , int [ ] padA , int [ ] strideA , int [ ] dilationA , int [ ] mode , int [ ] computeType ) /** convolution data type */ { return checkResult ( cudnnGetConvolutionNdDescriptorNative ( convDesc , arrayLengthRequested , arrayLength , padA , strideA , dilationA , mode , computeType ) ) ; }
convolution data type
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public static int cudnnConvolutionForward ( cudnnHandle handle , Pointer alpha , cudnnTensorDescriptor xDesc , Pointer x , cudnnFilterDescriptor wDesc , Pointer w , cudnnConvolutionDescriptor convDesc , int algo , Pointer workSpace , long workSpaceSizeInBytes , Pointer beta , cudnnTensorDescriptor yDesc , Pointer y ) { return checkResult ( cudnnConvolutionForwardNative ( handle , alpha , xDesc , x , wDesc , w , convDesc , algo , workSpace , workSpaceSizeInBytes , beta , yDesc , y ) ) ; }
Function to perform the forward pass for batch convolution
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public static int cudnnConvolutionBackwardBias ( cudnnHandle handle , Pointer alpha , cudnnTensorDescriptor dyDesc , Pointer dy , Pointer beta , cudnnTensorDescriptor dbDesc , Pointer db ) { return checkResult ( cudnnConvolutionBackwardBiasNative ( handle , alpha , dyDesc , dy , beta , dbDesc , db ) ) ; }
Function to compute the bias gradient for batch convolution
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public static int cudnnSoftmaxForward ( cudnnHandle handle , int algo , int mode , Pointer alpha , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor yDesc , Pointer y ) { return checkResult ( cudnnSoftmaxForwardNative ( handle , algo , mode , alpha , xDesc , x , beta , yDesc , y ) ) ; }
Function to perform forward softmax
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public static int cudnnSoftmaxBackward ( cudnnHandle handle , int algo , int mode , Pointer alpha , cudnnTensorDescriptor yDesc , Pointer y , cudnnTensorDescriptor dyDesc , Pointer dy , Pointer beta , cudnnTensorDescriptor dxDesc , Pointer dx ) { return checkResult ( cudnnSoftmaxBackwardNative ( handle , algo , mode , alpha , yDesc , y , dyDesc , dy , beta , dxDesc , dx ) ) ; }
Function to perform backward softmax
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public static int cudnnPoolingForward ( cudnnHandle handle , cudnnPoolingDescriptor poolingDesc , Pointer alpha , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor yDesc , Pointer y ) { return checkResult ( cudnnPoolingForwardNative ( handle , poolingDesc , alpha , xDesc , x , beta , yDesc , y ) ) ; }
Function to perform forward pooling
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public static int cudnnPoolingBackward ( cudnnHandle handle , cudnnPoolingDescriptor poolingDesc , Pointer alpha , cudnnTensorDescriptor yDesc , Pointer y , cudnnTensorDescriptor dyDesc , Pointer dy , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor dxDesc , Pointer dx ) { return checkResult ( cudnnPoolingBackwardNative ( handle , poolingDesc , alpha , yDesc , y , dyDesc , dy , xDesc , x , beta , dxDesc , dx ) ) ; }
Function to perform backward pooling
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public static int cudnnGetActivationDescriptor ( cudnnActivationDescriptor activationDesc , int [ ] mode , int [ ] reluNanOpt , double [ ] coef ) /** ceiling for clipped RELU, alpha for ELU */ { return checkResult ( cudnnGetActivationDescriptorNative ( activationDesc , mode , reluNanOpt , coef ) ) ; }
ceiling for clipped RELU alpha for ELU
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public static int cudnnActivationForward ( cudnnHandle handle , cudnnActivationDescriptor activationDesc , Pointer alpha , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor yDesc , Pointer y ) { return checkResult ( cudnnActivationForwardNative ( handle , activationDesc , alpha , xDesc , x , beta , yDesc , y ) ) ; }
Function to perform forward activation
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public static int cudnnActivationBackward ( cudnnHandle handle , cudnnActivationDescriptor activationDesc , Pointer alpha , cudnnTensorDescriptor yDesc , Pointer y , cudnnTensorDescriptor dyDesc , Pointer dy , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor dxDesc , Pointer dx ) { return checkResult ( cudnnActivationBackwardNative ( handle , activationDesc , alpha , yDesc , y , dyDesc , dy , xDesc , x , beta , dxDesc , dx ) ) ; }
Function to perform backward activation
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public static int cudnnLRNCrossChannelForward ( cudnnHandle handle , cudnnLRNDescriptor normDesc , int lrnMode , Pointer alpha , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor yDesc , Pointer y ) { return checkResult ( cudnnLRNCrossChannelForwardNative ( handle , normDesc , lrnMode , alpha , xDesc , x , beta , yDesc , y ) ) ; }
LRN cross - channel forward computation . Double parameters cast to tensor data type
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public static int cudnnLRNCrossChannelBackward ( cudnnHandle handle , cudnnLRNDescriptor normDesc , int lrnMode , Pointer alpha , cudnnTensorDescriptor yDesc , Pointer y , cudnnTensorDescriptor dyDesc , Pointer dy , cudnnTensorDescriptor xDesc , Pointer x , Pointer beta , cudnnTensorDescriptor dxDesc , Pointer dx ) { return checkResult ( cudnnLRNCrossChannelBackwardNative ( handle , normDesc , lrnMode , alpha , yDesc , y , dyDesc , dy , xDesc , x , beta , dxDesc , dx ) ) ; }
LRN cross - channel backward computation . Double parameters cast to tensor data type
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public static int cudnnBatchNormalizationBackward ( cudnnHandle handle , int mode , Pointer alphaDataDiff , Pointer betaDataDiff , Pointer alphaParamDiff , Pointer betaParamDiff , cudnnTensorDescriptor xDesc , /** same desc for x, dx, dy */ Pointer x , cudnnTensorDescriptor dyDesc , Pointer dy , cudnnTensorDescriptor dxDesc , Pointer dx , /** Shared tensor desc for the 4 tensors below */ cudnnTensorDescriptor dBnScaleBiasDesc , Pointer bnScale , /** bnBias doesn't affect backpropagation */ /** scale and bias diff are not backpropagated below this layer */ Pointer dBnScaleResult , Pointer dBnBiasResult , /** Same epsilon as forward pass */ double epsilon , /** Optionally cached intermediate results from forward pass */ Pointer savedMean , Pointer savedInvVariance ) { return checkResult ( cudnnBatchNormalizationBackwardNative ( handle , mode , alphaDataDiff , betaDataDiff , alphaParamDiff , betaParamDiff , xDesc , x , dyDesc , dy , dxDesc , dx , dBnScaleBiasDesc , bnScale , dBnScaleResult , dBnBiasResult , epsilon , savedMean , savedInvVariance ) ) ; }
Performs backward pass of Batch Normalization layer . Returns x gradient bnScale gradient and bnBias gradient
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public static int cudnnRestoreDropoutDescriptor ( cudnnDropoutDescriptor dropoutDesc , cudnnHandle handle , float dropout , Pointer states , long stateSizeInBytes , long seed ) { return checkResult ( cudnnRestoreDropoutDescriptorNative ( dropoutDesc , handle , dropout , states , stateSizeInBytes , seed ) ) ; }
Restores the dropout descriptor to a previously saved - off state
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public static int cudnnCreatePersistentRNNPlan ( cudnnRNNDescriptor rnnDesc , int minibatch , int dataType , cudnnPersistentRNNPlan plan ) { return checkResult ( cudnnCreatePersistentRNNPlanNative ( rnnDesc , minibatch , dataType , plan ) ) ; }
Expensive . Creates the plan for the specific settings .
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public static int cudnnGetRNNWorkspaceSize ( cudnnHandle handle , cudnnRNNDescriptor rnnDesc , int seqLength , cudnnTensorDescriptor [ ] xDesc , long [ ] sizeInBytes ) { return checkResult ( cudnnGetRNNWorkspaceSizeNative ( handle , rnnDesc , seqLength , xDesc , sizeInBytes ) ) ; }
dataType in weight descriptors and input descriptors is used to describe storage
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public static int cudnnCTCLoss ( cudnnHandle handle , cudnnTensorDescriptor probsDesc , /** Tensor descriptor for probabilities, the dimensions are T,N,A (T is the timing steps, N is the mini batch size, A is the alphabet size) */ Pointer probs , /** probabilities after softmax, in GPU memory */ int [ ] labels , /** labels, in CPU memory */ int [ ] labelLengths , /** the length of each label, in CPU memory */ int [ ] inputLengths , /** the lengths of timing steps in each batch, in CPU memory */ Pointer costs , /** the returned costs of CTC, in GPU memory */ cudnnTensorDescriptor gradientsDesc , /** Tensor descriptor for gradients, the dimensions are T,N,A */ Pointer gradients , /** the returned CTC gradients, in GPU memory, to compute costs only, set it to NULL */ int algo , /** algorithm selected, supported now 0 and 1 */ cudnnCTCLossDescriptor ctcLossDesc , Pointer workspace , /** pointer to the workspace, in GPU memory */ long workSpaceSizeInBytes ) /** the workspace size needed */ { return checkResult ( cudnnCTCLossNative ( handle , probsDesc , probs , labels , labelLengths , inputLengths , costs , gradientsDesc , gradients , algo , ctcLossDesc , workspace , workSpaceSizeInBytes ) ) ; }
return the ctc costs and gradients given the probabilities and labels
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public static int cudnnGetCTCLossWorkspaceSize ( cudnnHandle handle , cudnnTensorDescriptor probsDesc , /** Tensor descriptor for probabilities, the dimensions are T,N,A (T is the timing steps, N is the mini batch size, A is the alphabet size) */ cudnnTensorDescriptor gradientsDesc , /** Tensor descriptor for gradients, the dimensions are T,N,A. To compute costs only, set it to NULL */ int [ ] labels , /** labels, in CPU memory */ int [ ] labelLengths , /** the length of each label, in CPU memory */ int [ ] inputLengths , /** the lengths of timing steps in each batch, in CPU memory */ int algo , /** algorithm selected, supported now 0 and 1 */ cudnnCTCLossDescriptor ctcLossDesc , long [ ] sizeInBytes ) /** pointer to the returned workspace size */ { return checkResult ( cudnnGetCTCLossWorkspaceSizeNative ( handle , probsDesc , gradientsDesc , labels , labelLengths , inputLengths , algo , ctcLossDesc , sizeInBytes ) ) ; }
return the workspace size needed for ctc
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public static int cudnnGetRNNDataDescriptor ( cudnnRNNDataDescriptor RNNDataDesc , int [ ] dataType , int [ ] layout , int [ ] maxSeqLength , int [ ] batchSize , int [ ] vectorSize , int arrayLengthRequested , int [ ] seqLengthArray , Pointer paddingFill ) { return checkResult ( cudnnGetRNNDataDescriptorNative ( RNNDataDesc , dataType , layout , maxSeqLength , batchSize , vectorSize , arrayLengthRequested , seqLengthArray , paddingFill ) ) ; }
symbol for filling padding position in output
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public static < T > OptionalValue < T > ofNullable ( T value ) { return new GenericOptionalValue < T > ( RUNTIME_SOURCE , DEFAULT_KEY , value ) ; }
Returns new instance of OptionalValue with given value
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public static < T > OptionalValue < T > ofNullable ( ResourceKey key , T value ) { return new GenericOptionalValue < T > ( RUNTIME_SOURCE , key , value ) ; }
Returns new instance of OptionalValue with given key and value
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public static void stopService ( ) { DaemonStarter . currentPhase . set ( LifecyclePhase . STOPPING ) ; final CountDownLatch cdl = new CountDownLatch ( 1 ) ; Executors . newSingleThreadExecutor ( ) . execute ( ( ) -> { DaemonStarter . getLifecycleListener ( ) . stopping ( ) ; DaemonStarter . daemon . stop ( ) ; cdl . countDown ( ) ; } ) ; try { int timeout = DaemonStarter . lifecycleListener . get ( ) . getShutdownTimeoutSeconds ( ) ; if ( ! cdl . await ( timeout , TimeUnit . SECONDS ) ) { DaemonStarter . rlog . error ( "Failed to stop gracefully" ) ; DaemonStarter . abortSystem ( ) ; } } catch ( InterruptedException e ) { DaemonStarter . rlog . error ( "Failure awaiting stop" , e ) ; Thread . currentThread ( ) . interrupt ( ) ; } }
Stop the service and end the program
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private static void handleSignals ( ) { if ( DaemonStarter . isRunMode ( ) ) { try { // handle SIGHUP to prevent process to get killed when exiting the tty Signal . handle ( new Signal ( "HUP" ) , arg0 -> { // Nothing to do here System . out . println ( "SIG INT" ) ; } ) ; } catch ( IllegalArgumentException e ) { System . err . println ( "Signal HUP not supported" ) ; } try { // handle SIGTERM to notify the program to stop Signal . handle ( new Signal ( "TERM" ) , arg0 -> { System . out . println ( "SIG TERM" ) ; DaemonStarter . stopService ( ) ; } ) ; } catch ( IllegalArgumentException e ) { System . err . println ( "Signal TERM not supported" ) ; } try { // handle SIGINT to notify the program to stop Signal . handle ( new Signal ( "INT" ) , arg0 -> { System . out . println ( "SIG INT" ) ; DaemonStarter . stopService ( ) ; } ) ; } catch ( IllegalArgumentException e ) { System . err . println ( "Signal INT not supported" ) ; } try { // handle SIGUSR2 to notify the life-cycle listener Signal . handle ( new Signal ( "USR2" ) , arg0 -> { System . out . println ( "SIG USR2" ) ; DaemonStarter . getLifecycleListener ( ) . signalUSR2 ( ) ; } ) ; } catch ( IllegalArgumentException e ) { System . err . println ( "Signal USR2 not supported" ) ; } } }
I KNOW WHAT I AM DOING
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public static void abortSystem ( final Throwable error ) { DaemonStarter . currentPhase . set ( LifecyclePhase . ABORTING ) ; try { DaemonStarter . getLifecycleListener ( ) . aborting ( ) ; } catch ( Exception e ) { DaemonStarter . rlog . error ( "Custom abort failed" , e ) ; } if ( error != null ) { DaemonStarter . rlog . error ( "Unrecoverable error encountered --> Exiting : {}" , error . getMessage ( ) ) ; DaemonStarter . getLifecycleListener ( ) . exception ( LifecyclePhase . ABORTING , error ) ; } else { DaemonStarter . rlog . error ( "Unrecoverable error encountered --> Exiting" ) ; } // Exit system with failure return code System . exit ( 1 ) ; }
Abort the daemon
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@ PostConstruct public void initDatabase ( ) { MongoDBInit . LOGGER . info ( "initializing MongoDB" ) ; String dbName = System . getProperty ( "mongodb.name" ) ; if ( dbName == null ) { throw new RuntimeException ( "Missing database name; Set system property 'mongodb.name'" ) ; } MongoDatabase db = this . mongo . getDatabase ( dbName ) ; try { PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver ( ) ; Resource [ ] resources = resolver . getResources ( "classpath*:mongodb/*.ndjson" ) ; MongoDBInit . LOGGER . info ( "Scanning for collection data" ) ; for ( Resource res : resources ) { String filename = res . getFilename ( ) ; String collection = filename . substring ( 0 , filename . length ( ) - 7 ) ; MongoDBInit . LOGGER . info ( "Found collection file: {}" , collection ) ; MongoCollection < DBObject > dbCollection = db . getCollection ( collection , DBObject . class ) ; try ( Scanner scan = new Scanner ( res . getInputStream ( ) , "UTF-8" ) ) { int lines = 0 ; while ( scan . hasNextLine ( ) ) { String json = scan . nextLine ( ) ; Object parse = JSON . parse ( json ) ; if ( parse instanceof DBObject ) { DBObject dbObject = ( DBObject ) parse ; dbCollection . insertOne ( dbObject ) ; } else { MongoDBInit . LOGGER . error ( "Invalid object found: {}" , parse ) ; throw new RuntimeException ( "Invalid object" ) ; } lines ++ ; } MongoDBInit . LOGGER . info ( "Imported {} objects into collection {}" , lines , collection ) ; } } } catch ( IOException e ) { throw new RuntimeException ( "Error importing objects" , e ) ; } }
init database with demo data
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public static Map < String , Object > with ( Object ... params ) { Map < String , Object > map = new HashMap <> ( ) ; for ( int i = 0 ; i < params . length ; i ++ ) { map . put ( String . valueOf ( i ) , params [ i ] ) ; } return map ; }
Convenience wrapper for message parameters
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public static ResourceResolutionContext context ( ResourceResolutionComponent [ ] components , Map < String , Object > messageParams ) { return new ResourceResolutionContext ( components , messageParams ) ; }
Build resolution context in which message will be discovered and built
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@ Inject ( "struts.json.action.fileProtocols" ) public void setFileProtocols ( String fileProtocols ) { if ( StringUtils . isNotBlank ( fileProtocols ) ) { this . fileProtocols = TextParseUtil . commaDelimitedStringToSet ( fileProtocols ) ; } }
File URLs whose protocol are in these list will be processed as jars containing classes
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protected boolean cannotInstantiate ( Class < ? > actionClass ) { return actionClass . isAnnotation ( ) || actionClass . isInterface ( ) || actionClass . isEnum ( ) || ( actionClass . getModifiers ( ) & Modifier . ABSTRACT ) != 0 || actionClass . isAnonymousClass ( ) ; }
Interfaces enums annotations and abstract classes cannot be instantiated .
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protected boolean checkExcludePackages ( String classPackageName ) { if ( excludePackages != null && excludePackages . length > 0 ) { WildcardHelper wildcardHelper = new WildcardHelper ( ) ; // we really don't care about the results, just the boolean Map < String , String > matchMap = new HashMap < String , String > ( ) ; for ( String packageExclude : excludePackages ) { int [ ] packagePattern = wildcardHelper . compilePattern ( packageExclude ) ; if ( wildcardHelper . match ( matchMap , classPackageName , packagePattern ) ) { return false ; } } } return true ; }
Checks if provided class package is on the exclude list
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protected boolean checkActionPackages ( String classPackageName ) { if ( actionPackages != null ) { for ( String packageName : actionPackages ) { String strictPackageName = packageName + "." ; if ( classPackageName . equals ( packageName ) || classPackageName . startsWith ( strictPackageName ) ) return true ; } } return false ; }
Checks if class package match provided list of action packages
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