Class: NeoScout::GDB_Neo4j::ElementIterator

Inherits:
ElementIterator show all
Defined in:
lib/neoscout/gdb_neo4j.rb

Instance Method Summary collapse

Instance Method Details

#iter_edges(args) ⇒ Object 



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# File 'lib/neoscout/gdb_neo4j.rb', line 90

def iter_edges(args)
  if args[:report_progress]
    then report = args[:report_progress]
    else report = lambda { |mode, what, num| } end
  glops = org.neo4j.tooling.GlobalGraphOperations.at(Neo4j.db.graph)
  iter  = glops.getAllRelationships.iterator
  num   = 0
  while iter.hasNext do
    num  = num + 1
    report.call(:progress, :edges, num)
    yield iter.next
  end

  report.call(:finish, :edges, num)
  num
end

#iter_nodes(args) ⇒ Object 



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# File 'lib/neoscout/gdb_neo4j.rb', line 72

def iter_nodes(args)
  if args[:report_progress]
    then report = args[:report_progress]
    else report = lambda { |mode, what, num| } end
  glops = org.neo4j.tooling.GlobalGraphOperations.at(Neo4j.db.graph)
  iter  = glops.getAllNodes.iterator
  num   = 0
  while iter.hasNext do
    node = iter.next
    num  = num + 1
    report.call(:progress, :nodes, num)
    yield node unless node.getId == 0
  end

  report.call(:finish, :nodes, num)
  num
end