public TemplateInstanceExecution templateInstanceExecution ( String sourceName , ExpressionEngine expressionEngine ) { // Transforms each parameter in a name/value pair, using only the source name as input Map < String , String > sourceNameInput = Collections . singletonMap ( "sourceName" , sourceName ) ; Map < String , String > parameterMap = Maps . transformValues ( Maps . uniqueIndex ( parameters , TemplateParameter :: getName ) , parameter -> expressionEngine . render ( parameter . getExpression ( ) , sourceNameInput ) ) ; // Concatenates the maps Map < String , String > inputMap = new HashMap <> ( sourceNameInput ) ; inputMap . putAll ( parameterMap ) ; // Resolves the final expression return new TemplateInstanceExecution ( value -> expressionEngine . render ( value , inputMap ) , parameterMap ) ; }
Gets the execution context for the creation of a template instance .