Class: OpenNebula::SnapshotRecords

Inherits:
RecordsSource show all
Defined in:
service/records/records.rb

Overview

(Snapshot)Records source class for fullfilling Timeline

Instance Attribute Summary

Attributes inherited from RecordsSource

#id

Instance Method Summary collapse

Methods inherited from RecordsSource

check_source, #records, tl_filter

Constructor Details

#initialize(id) ⇒ SnapshotRecords

inits RecordsSource class with SnapshotRecord class as base



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# File 'service/records/records.rb', line 122

def initialize id
  super(SnapshotRecord, id)
end

Instance Method Details

#find(stime, etime) ⇒ Object

Returns all needed records for given timerange



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# File 'service/records/records.rb', line 127

def find stime, etime
  @records.where(crt: stime..etime).or(del: stime..etime)
end

#init_state(stime) ⇒ Object

Gets All of the SnapshotRecords before stime and with deletion time greater than stime or nil and counts(which is initial quantity of snaps)



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# File 'service/records/records.rb', line 132

def init_state stime
  # SELECT * FROM "snapshot_records" WHERE (("del" >= 15) OR ("del" IS NULL))
  {
    snaps: @records.where { crt < stime }.where { (del >= stime) | Sequel[del: nil] }.count
  }
end

#key ⇒ Object

Overrides key for db queries



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# File 'service/records/records.rb', line 117

def key
  :vm
end