class MARC::Spec::Queries::QueryExecutor
Attributes
cache[R]
marc_record[R]
root_query[R]
Public Class Methods
new(marc_record, root_query, cache = {})
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# File lib/marc/spec/queries/query_executor.rb, line 12 def initialize(marc_record, root_query, cache = {}) @marc_record = ensure_type(marc_record, MARC::Record) @root_query = root_query @cache = cache end
Public Instance Methods
any_results?()
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# File lib/marc/spec/queries/query_executor.rb, line 30 def any_results? root_query.any_results?(self, root_fields) end
apply_selector(selector, field)
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# File lib/marc/spec/queries/query_executor.rb, line 38 def apply_selector(selector, field) return [field] unless selector cache_key = [selector, field] cache[cache_key] ||= selector.apply(field) end
apply_tag(tag)
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# File lib/marc/spec/queries/query_executor.rb, line 34 def apply_tag(tag) cache[tag] ||= tag.apply(marc_record) end
condition_met?(condition, context_field, context_result)
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# File lib/marc/spec/queries/query_executor.rb, line 45 def condition_met?(condition, context_field, context_result) cond_ctx = ConditionContext.new(context_field, context_result, self) condition.met?(cond_ctx) end
execute()
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# File lib/marc/spec/queries/query_executor.rb, line 26 def execute root_query.execute(self, root_fields) end
root_fields()
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# File lib/marc/spec/queries/query_executor.rb, line 22 def root_fields @root_fields ||= apply_tag(root_tag) end
root_tag()
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# File lib/marc/spec/queries/query_executor.rb, line 18 def root_tag @root_tag ||= root_query.tag || Tag.new('...') end