class LD::Patch::Algebra::Patch
The LD
Patch
‘patch` operator.
Transactionally iterates over all operands building bindings along the way
Constants
- NAME
Public Instance Methods
Source
# File lib/ld/patch/algebra/patch.rb, line 23 def execute(graph, options = {}) debug(options) {"Delete"} if graph.respond_to?(:transaction) graph.transaction(mutable: true) do |tx| operands.inject(RDF::Query::Solutions.new([RDF::Query::Solution.new])) do |bindings, op| # Invoke operand using bindings from prvious operation op.execute(tx, options.merge(bindings: bindings)) end end else operands.inject(RDF::Query::Solutions.new([RDF::Query::Solution.new])) do |bindings, op| # Invoke operand using bindings from prvious operation op.execute(graph, options.merge(bindings: bindings)) end end end
Executes this upate on the given ‘transactable` graph or repository.
@param [RDF::Transactable] graph
the graph to update.
@param [Hash{Symbol => Object}] options
any additional options
@return [RDF::Transactable]
Returns graph.
@raise [Error]
If any error is caught along the way, and rolls back the transaction