# Sequence Flow

### Legend <a href="#legend" id="legend"></a>

```
: Object/Area
> method
< procedure
>> background method
<< background procedure
? condition
```

### Run Action <a href="#run-action" id="run-action"></a>

```
: Interface
    > command
        : Core
            > run
                > server
                > generate
                    > createProgress
                    > createRengerateTimer
                    > generatePrepare

                        ? if reset is true
                            ? if source directory doesn't exist
                                < error
                            > resetCollections
                                < reset database
                            > populateCollections
                                > parseDirectory documentsPath
                                > parseDirectory filesPath
                                > parseDirectory layoutsPaths
                                > emitSerial "populateCollectionsBefore"
                                    : Tumblr Plugin
                                        > fetchTumblrData
                                            < json data from tumblr api
                                        < add each tumblr post into docpad database
                            < use all models

                        ? if reset is false
                            < use changed models

                        > emitSerial "generateAfter"

                    > generateLoad
                        > loadFiles opts.collection
                        < add references and layout children to opts.collection

                    > generateRender
                        > contextualizeFiles
                            > emitSerial "contextualizeBefore"
                            > file.contextualize
                                < meta data normalized
                                < layout determined
                            > emitSerial "conextualizeAfter"

                        > renderFiles
                            > emitSerial "renderBefore"
                            > renderCollection(referencesOthers:false)
                            + renderCollection(referencesOthers:true) < for each render pass
                                > file.render
                                    > emitSerial "render"
                                    > emitSerial "renderDocument"
                            > emitSerial "renderAfter"
                        > writeFiles

                    > generatePostpare
                        > emitSerial "generateAfter"


                > watch
                    >> watchr.watch config.reloadPaths
                        >> docpad.load
                            >> docpad.generate reset:true
                    >> watchr.watch config.regeneratePaths
                        >> docpad.generate reset:true
                    >> watchr.watch config.srcPath
                        >> docpad.generate
```


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