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annotate examples/blog/src/lib/Db.luan @ 1708:8d257d56dc42

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author Franklin Schmidt <fschmidt@gmail.com>
date Mon, 04 Jul 2022 14:06:59 -0600
parents 2958cf04d844
children fc224a1bb6ea
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local stringify = Luan.stringify or error()
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4 local Lucene = require "luan:lucene/Lucene.luan"
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5 local Io = require "luan:Io.luan"
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6 local uri = Io.uri or error()
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7 local Time = require "luan:Time.luan"
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8 local Thread = require "luan:Thread.luan"
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9 local Hosted = require "luan:host/Hosted.luan"
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10 local Logging = require "luan:logging/Logging.luan"
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11 local logger = Logging.logger "Db"
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14 if not Hosted.is_hosted then
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15 require "java"
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16 local BackupIndexWriter = require "java:goodjava.lucene.backup.BackupIndexWriter"
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17 BackupIndexWriter.backupDomains = {"localhost"}
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18 end
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19
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20 local dir = uri("site:/private/local/lucene")
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21 local Db = Lucene.index( dir, {
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22 default_type = Lucene.type.english
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23 default_fields = {"subject","content"}
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24 log_dir = uri("site:/private/local/lucene_log")
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25 } )
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27 -- this is how you index a field
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28 -- db.indexed_fields.post_date = Lucene.type.long
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30 Db.restore_from_log()
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31 Db.update{
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32 [1] = function()
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33 logger.info "update"
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34 end
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35 }
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36 Thread.schedule( Db.check, { delay=0, repeating_delay=Time.period{hours=1}, id="blog-db-check" } )
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38 return Db