Class: ExplorerResult

Inherits:
Object
  • Object
show all
Defined in:
app/models/explorer_result.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(qsetid) ⇒ ExplorerResult

Returns a new instance of ExplorerResult.



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# File 'app/models/explorer_result.rb', line 5

def initialize(qsetid)
  @keynames = Array.new
  @resulttree=PathNode.new
  @resulttree.path="/"
  @resultids = Array.new
  @nodes=Array.new
  @qsetid=qsetid
end

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'app/models/explorer_result.rb', line 4

def id
  @id
end

#keynames ⇒ Object

Returns the value of attribute keynames.



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# File 'app/models/explorer_result.rb', line 4

def keynames
  @keynames
end

#nodes ⇒ Object

Returns the value of attribute nodes.



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# File 'app/models/explorer_result.rb', line 4

def nodes
  @nodes
end

#qsetid ⇒ Object

Returns the value of attribute qsetid.



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# File 'app/models/explorer_result.rb', line 4

def qsetid
  @qsetid
end

#resultids ⇒ Object

Returns the value of attribute resultids.



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# File 'app/models/explorer_result.rb', line 4

def resultids
  @resultids
end

#resulttree ⇒ Object

Returns the value of attribute resulttree.



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# File 'app/models/explorer_result.rb', line 4

def resulttree
  @resulttree
end

Instance Method Details

#all_covered(slat, slon, elat, elon) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 59

def all_covered(slat,slon,elat,elon)
  tablename="nodes"
  
  if @qsetid!=0 then
    nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
    if @resultids.length ==0 then
      return []          
    end        
  else
    nodelist = "nodes n"
  end

  qstr=<<-EOM
    select latitude_lb,longitude_lb, latitude_rt, longitude_rt, 
           count(*) as cnt
    from spatial_and_time_attributes s join #{nodelist} on n.id = s.node_id
    where s.latitude_lb<#{slat} and s.latitude_rt>#{elat}
      and s.longitude_lb<#{slon} and s.longitude_rt>#{elon}
      group by s.latitude_lb,s.longitude_lb, s.latitude_rt, s.longitude_rt
  EOM
  return Node.find_by_sql(qstr)
end

#count ⇒ Object 



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# File 'app/models/explorer_result.rb', line 55

def count
  return @resultids.size
end

#get_keyname_and_keyvalue_list ⇒ Object 



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# File 'app/models/explorer_result.rb', line 173

def get_keyname_and_keyvalue_list
  if @qsetid!=0 then
      nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
      if @resultids.length ==0 then
         return []          
      end        
  else
    nodelist = "nodes n"
  end
  igr_attrs=""
  i=0
  GFDNAVI_IGNORED_ATTRS.each{ |iga|
    if i==0 then
      igr_attrs="'#{iga}'"
    else
      igr_attrs="#{igr_attrs},'#{iga}'"
    end
    i=i+1
  }

  GFDNAVI_INVISIBLE_ATTRS.each{ |iva|
     if i==0 then
       igr_attrs="#{iga}'"
     else
       igr_attrs="#{igr_attrs}, '#{iva}'"
     end
     i=i+1
  }
  
  if GFDNAVI_IGNORED_ATTRS.size>0 then 
    qstr=<<-EOF
      select k.name as kname,k.value as kvalue, count(distinct n.id) as cnt
      from  keyword_attributes k join #{nodelist} on k.node_id = n.id
      where not (k.name in (#{igr_attrs})) and k.value IS NOT NULL
      group by k.name,k.value
      order by k.name,k.value,cnt DESC
    EOF
  else
    qstr=<<-EOF
      select k.name as kname,k.value as kvalue, count(distinct n.id) as cnt
      from  keyword_attributes k join #{nodelist} on k.node_id = n.id
      where k.value IS NOT NULL
      group by k.name,k.value
      order by k.name,k.value,cnt DESC
    EOF
  end
  keylist=KeywordAttribute.find_by_sql(qstr)
  return keylist
end

#get_keyname_list ⇒ Object 



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# File 'app/models/explorer_result.rb', line 124

def get_keyname_list
  if @qsetid!=0 then
      nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
      if @resultids.length ==0 then
         return []          
      end        
  else
    nodelist = "nodes n"
  end
  igr_attrs=""
  i=0
  GFDNAVI_IGNORED_ATTRS.each{ |iga|
    if i==0 then
      igr_attrs="'#{iga}'"
    else
      igr_attrs="#{igr_attrs},'#{iga}'"
    end
    i=i+1
  }

  GFDNAVI_INVISIBLE_ATTRS.each{ |iva|
    if i==0 then
     igr_attrs="'#{iva}'"
    else
     igr_attrs="#{igr_attrs}, '#{iva}'"
    end
    i=i+1
  }
  
  if GFDNAVI_IGNORED_ATTRS.size>0 then 
  qstr=<<-EOF
      select k.name as kname,count(distinct n.id) as cnt
      from  keyword_attributes k join #{nodelist} on k.node_id = n.id
      where not (k.name in (#{igr_attrs}))
      group by k.name
      order by cnt DESC
  EOF
  else
  qstr=<<-EOF
      select k.name as kname,count(distinct n.id) as cnt
      from  keyword_attributes k join #{nodelist} on k.node_id = n.id
      group by k.name
      order by cnt DESC
  EOF
  end
  keylist=KeywordAttribute.find_by_sql(qstr)
  return keylist
end

#get_keyvalue_list(keyname) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 257

def get_keyvalue_list(keyname)
   if @qsetid!=0 then
     nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
   else
     nodelist = "nodes n"
   end
   qstr=<<-EOF
       select k.value as value, k.num_value as num_value, count(distinct n.id) as cnt
       from #{nodelist} join keyword_attributes k on k.node_id=n.id
       where k.name='#{keyname}'
       group by k.value
       order by cnt DESC
   EOF
   keylist=KeywordAttribute.find_by_sql(qstr)
   return keylist
end

#get_path ⇒ Object 



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# File 'app/models/explorer_result.rb', line 224

def get_path
 if @qsetid>0 then
   res=QueryHistory.find(:all,:conditions=>["queryset_id=? and querytype='path'",@qsetid])
   if res.size>0 then
     res[0].description=~/[P](.*)/
     return $1
   end
 end
 return "/"
end

#get_path_list ⇒ Object 



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# File 'app/models/explorer_result.rb', line 235

def get_path_list
 if @qsetid>0 then
   QueryHistory.find(:all,:conditions=>["queryset_id=? and querytype='path'",@qsetid])  
   tables="(select v.* from nodes v, gfdnavi_querycache.queryset_#{@qsetid} c where v.id=c.vid)"
   path=get_path
 else
   tables="nodes"
   path="/"
 end
     sql1=<<-EOM
      select d2.path as dpath, count(distinct v.id) as cnt
      from nodes d1,nodes d2,#{tables} v
      where d1.path = ?
        and d2.parent_id = d1.id
        and v.path like #{concat("d2.path","'%'")}
      group by d2.path
      order by cnt DESC
    EOM
    pathlist = Node.find_by_sql([sql1,path])
  return pathlist
end

#get_querysetids(session_id) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 274

def get_querysetids(session_id)
  res=Array.new
  qhistories=QueryHistory.find_by_sql(["select distinct queryset_id from query_histories where session_id=? order by queryset_id;",session_id])
  qhistories.each{ |qh|
    res.push qh.queryset_id
  }
  return res
end

#partial_covered(slat, slon, elat, elon) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 82

def partial_covered(slat,slon,elat,elon)
  if @qsetid!=0 then
    nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
    if @resultids.length ==0 then
      return []          
    end        
  else
    nodelist = "nodes n"
  end
  qstr=<<-EOM
    select latitude_lb,longitude_lb, latitude_rt, longitude_rt, 
           count(*) as cnt
    from spatial_and_time_attributes s join #{nodelist} on n.id = s.node_id
    where not (latitude_lb<#{slat} and latitude_rt>#{elat}
           and longitude_lb<#{slon} and longitude_rt>#{elon})
      and latitude_lb<>latitude_rt
      and longitude_lb<>longitude_rt
      group by latitude_lb,longitude_lb, latitude_rt, longitude_rt
  EOM
  return Node.find_by_sql(qstr)
end

#points(slat, slon, elat, elon) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 104

def points(slat,slon,elat,elon)
  if @qsetid!=0 then
    nodelist = "(select distinct ancestor as id from node_lineages where descendant in (#{@resultids.join(',')})) n"
    if @resultids.length ==0 then
      return []          
    end        
  else
    nodelist = "nodes n"
  end
  qstr=<<-EOM
    select latitude_lb,longitude_lb, latitude_rt, longitude_rt, 
           count(*) as cnt
    from spatial_and_time_attributes s join #{nodelist} on n.id = s.node_id
    where latitude_lb=latitude_rt
      and longitude_lb=longitude_rt
    group by latitude_lb,longitude_lb
  EOM
  return Node.find_by_sql(qstr)
end

#put_results(nodes) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 18

def put_results(nodes)
  @resultids.clear
  @nodes.clear
  @nodes = nodes
  @nodes.each{ |res|
    @resultids.push(res.id)      
  }
  @resultids.uniq!
end

#reset_resulttree ⇒ Object 



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# File 'app/models/explorer_result.rb', line 13

def reset_resulttree
  @resulttree=PathNode.new
  @resulttree.path="/"
end

#resultlist(p) ⇒ Object 



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# File 'app/models/explorer_result.rb', line 28

def resultlist(p)
  reset_resulttree   
  dir=Array.new
  res=Array.new
  @nodes.each{ |n|
    if n.node_type==0 then
      dir.push n
    else
      res.push n
    end
  }
  
  res.each{ |r|
    flg=0
    dir.each{ |d|
      if r.path=~/#{d.path}/ then
          flg=1
          break
      end
    }
    if flg==0 then
      @resulttree.addpath(r)
    end
  }
  return res
end