Class: Olsen

Inherits:
Object
  • Object
show all
Defined in:
lib/olsen.rb,
lib/olsen/version.rb

Constant Summary collapse

VERSION = 
"0.0.7"

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.filter(value, filters) ⇒ Object 



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# File 'lib/olsen.rb', line 32

def self.filter( value, filters )
    
    # validate filters
    defined? filters \
        or return value
    filters.respond_to? "each" \
        or return value
    
    instance = Sadie::getCurrentSadieInstance
    
    fhnd = "filter.#{filters[0]}"
    f = instance.get fhnd
    
    if filters.length > 1
        rem = filters[1..(filters.length-1)]
        ret = f.call value
        ret = Olsen.filter f.call(ret), rem
        return ret
    else
        ret = f.call value
        return ret
    end
end

.initFramework ⇒ Object 



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# File 'lib/olsen.rb', line 56

def self.initFramework
    if ! defined? @@framework_dirpath
        puts "framework dirpath not set...aborting."
        return nil
    end        
    puts "initializing olsen framework in #{@@framework_dirpath}"
    [ "output", "jobs", "primers" ].each do |dir|
        Dir.mkdir File.join( @@framework_dirpath, dir )
    end
end

.initSadie(params) ⇒ Object 



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# File 'lib/olsen.rb', line 76

def self.initSadie( params )
    sadieparams = {
        "sadie.primer_plugins_dirpath" => "lib/olsen/primer_plugins",
        "sadie.primers_dirpath" => "primers"
    }
    
    # if session and output dirs not defined, create temp dirs and use them
    if ! sadieparams.has_key? "sadie.sessions_dirpath"
        Dir.mktmpdir("olsen_tmp_sess") do | dir |
            sadieparams["sadie.sessions_dirpath"] =  dir
        end
    end
    if ! sadieparams.has_key? "olsen.output_dirpath"
        Dir.mktmpdir("olsen_output") do | dir |
            sadieparams["olsen.output_dirpath"] =  dir
        end
    end

    # process params
    if defined? params
        if params.respond_to? "each"
            params.each do |k,v|
                sadieparams[k] = v
            end
        end
    end
    
    # init sadie
    storage = Sadie::getSadieInstance( sadieparams )
    
    # add olsen plugin handlers
    plugins_dirpath = File.join(
        ENV['GEM_HOME'],
        "gems/olsen-#{Olsen::VERSION}",
        "lib/olsen/primer_plugins"
    )
    if ! File.exists? plugins_dirpath   # for dev
        plugins_dirpath = "lib/olsen/primer_plugins"
    end        
    storage.addPrimerPluginsDirPath plugins_dirpath
    storage.initializePrimers
end

.process(job, storage) ⇒ Object 



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# File 'lib/olsen.rb', line 119

def self.process( job, storage )
    
    if ( ! defined?( job ) )
        puts "job parameter was undefined.  must be hash or file.  returning nil."
        return nil
    end
    
    # turn files into hashes
    if ! job.respond_to? "each"
        if File.exists? job
            job = Sadie::iniFileToHash( job )
        elsif defined? @@framework_dirpath
            jobdirpath = File.join( @@framework_dirpath, "jobs" )
            jobfile = File.join jobdirpath, "#{job}.job" 
            if File.exists? jobfile
                job = Sadie::iniFileToHash( jobfile )
            end
        else
            puts "job param was non-hash and was not a path to valid job file"
            return nil
        end
    end
    
    # validate job
    if ! job.has_key? "output"
        puts "job has no output definition"
        return nil
    end
            
    # call output triggers
    storage = Sadie::getCurrentSadieInstance
    job["output"].each do |x,type|
        outputkey = "output.#{type}"
        puts "processing output trigger: #{outputkey}"
        storage.output outputkey
    end
    
    if block_given?
        yield storage
    end
    
end

.registerFilter(name, &block) ⇒ Object 



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# File 'lib/olsen.rb', line 71

def self.registerFilter( name, &block )
    instance = Sadie::getCurrentSadieInstance
    instance.set "filter.#{name}", block
end

.setFrameworkDir(dirpath) ⇒ Object 



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# File 'lib/olsen.rb', line 67

def self.setFrameworkDir( dirpath )
    @@framework_dirpath = dirpath
end

Instance Method Details

#filter(filter_name, value) ⇒ Object 



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# File 'lib/olsen.rb', line 169

def filter( filter_name, value )
    defined? @filters \
        or return nil
    @filters.respond_to? "has_key?" \
        or return nil
    @filters.has_key? filter_name \
        or return nil
    f = @filters[filter_name]
    f.call value
end

#registerFilter(filter, &block) ⇒ Object 



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# File 'lib/olsen.rb', line 162

def registerFilter( filter, &block )
    defined? @filters \
        or @filters = Hash.new
    
    @filters["filter"] = block
end