Class: Neo4j::Cypher::MatchStart::RelRightMatchContext
- Inherits:
-
Object
- Object
- Neo4j::Cypher::MatchStart::RelRightMatchContext
- Includes:
- Alias, Context, Algorithms, JoinableMatchContext, MatchContext, PredicateMethods, Returnable, Variable
- Defined in:
- lib/neo4j-cypher/match.rb
Constant Summary collapse
- FIRST_DIR_OP =
{:outgoing => "-", :incoming => "<-", :both => '-'}
- SECOND_DIR_OP =
{:outgoing => "->", :incoming => "-", :both => '-'}
Instance Attribute Summary
Attributes included from Context
Instance Method Summary collapse
-
#initialize(match_start, from, rel_var, to, dir) ⇒ RelRightMatchContext
constructor
A new instance of RelRightMatchContext.
- #to_cypher_join ⇒ Object
- #to_cypher_no_join ⇒ Object
Methods included from Algorithms
#shortest_path, #shortest_paths
Methods included from JoinableMatchContext
#-, #<, #<<, #<=>, #>, #>>, #next_new_node, #next_new_rel
Methods included from MatchContext
#clause, #convert_create_clauses, #join_previous!, #join_previous?, #length, #nodes, #not, #rels, #to_cypher
Methods included from Context
Constructor Details
#initialize(match_start, from, rel_var, to, dir) ⇒ RelRightMatchContext
Returns a new instance of RelRightMatchContext.
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# File 'lib/neo4j-cypher/match.rb', line 255 def initialize(match_start, from, rel_var, to, dir) super(match_start) @from = from convert_create_clauses(from) convert_create_clauses(to) join_previous! if @from.kind_of?(MatchContext) && @from.join_previous? @rel_var = rel_var @dir = dir convert_create_clauses(to) @to = NodeVar.as_var(match_start.clause_list, to) end |
Instance Method Details
#to_cypher_join ⇒ Object
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# File 'lib/neo4j-cypher/match.rb', line 271 def to_cypher_join "#{FIRST_DIR_OP[@dir]}[#{@rel_var.match_value}]#{SECOND_DIR_OP[@dir]}(#{@to.match_value})" end |
#to_cypher_no_join ⇒ Object
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# File 'lib/neo4j-cypher/match.rb', line 267 def to_cypher_no_join "(#{@from.match_value})#{FIRST_DIR_OP[@dir]}[#{@rel_var.match_value}]#{SECOND_DIR_OP[@dir]}(#{@to.match_value})" end |