class NewRelic::Agent::RulesEngine::SegmentTermsRule
Constants
- ADJACENT_PLACEHOLDERS_REGEX
- ADJACENT_PLACEHOLDERS_REPLACEMENT
- PREFIX_KEY
- TERMS_KEY
Attributes
Public Class Methods
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 30 def initialize(options) @prefix = options[PREFIX_KEY] @terms = options[TERMS_KEY] @trim_range = (@prefix.size..-1) end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 16 def self.valid?(rule_spec) rule_spec[PREFIX_KEY].kind_of?(String) && rule_spec[TERMS_KEY].kind_of?(Array) && valid_prefix_segment_count?(rule_spec[PREFIX_KEY]) end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 22 def self.valid_prefix_segment_count?(prefix) count = prefix.count(SEGMENT_SEPARATOR) rindex = prefix.rindex(SEGMENT_SEPARATOR) (count == 2 && prefix[rindex + 1].nil?) || (count == 1 && !prefix[rindex + 1].nil?) end
Public Instance Methods
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 50 def apply(string) rest = string[@trim_range] leading_slash = rest.slice!(LEADING_SLASH_REGEX) segments = rest.split(SEGMENT_SEPARATOR, -1) segments.map! { |s| @terms.include?(s) ? s : ASTERISK } transformed_suffix = collapse_adjacent_placeholder_segments(segments) "#{@prefix}#{leading_slash}#{transformed_suffix}" end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 60 def collapse_adjacent_placeholder_segments(segments) joined = segments.join(SEGMENT_SEPARATOR) joined.gsub!(ADJACENT_PLACEHOLDERS_REGEX, ADJACENT_PLACEHOLDERS_REPLACEMENT) joined end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 40 def matches?(string) string.start_with?(@prefix) && (prefix_matches_on_segment_boundary?(string) || string.size == @prefix.size) end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 45 def prefix_matches_on_segment_boundary?(string) string.size > @prefix.size && string[@prefix.chomp(SEGMENT_SEPARATOR).size].chr == SEGMENT_SEPARATOR end
Source
# File lib/new_relic/agent/rules_engine/segment_terms_rule.rb, line 36 def terminal? true end