Class: RSpec::Core::FilterableItemRepository::UpdateOptimized

### Home Classes Methods

### In Files

- lib/rspec/core/metadata_filter.rb

### Parent

Object

### Methods

- ::new
- #append
- #items_for
- #prepend

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# RSpec::Core::FilterableItemRepository::UpdateOptimized

This implementation is simple, and is optimized for frequent updates but rare queries. `append` and `prepend` do no extra processing, and no internal memoization is done, since this is not optimized for queries.

This is ideal for use by a example or example group, which may be updated multiple times with globally configured hooks, etc, but will not be queried frequently by other examples or examle groups. @private

### Attributes

items_and_filters[R]

### Public Class Methods

new(applies_predicate) click to toggle source

    # File lib/rspec/core/metadata_filter.rb, line 109
    def initialize(applies_predicate)
      @applies_predicate = applies_predicate
      @items_and_filters = []
    end

### Public Instance Methods

append(item, metadata) click to toggle source

    # File lib/rspec/core/metadata_filter.rb, line 114
    def append(item, metadata)
      @items_and_filters << [item, metadata]
    end

items_for(request_meta) click to toggle source

    # File lib/rspec/core/metadata_filter.rb, line 122
    def items_for(request_meta)
      @items_and_filters.each_with_object([]) do |(item, item_meta), to_return|
        to_return << item if item_meta.empty? ||
                             MetadataFilter.apply?(@applies_predicate, item_meta, request_meta)
      end
    end

prepend(item, metadata) click to toggle source

    # File lib/rspec/core/metadata_filter.rb, line 118
    def prepend(item, metadata)
      @items_and_filters.unshift [item, metadata]
    end

[Validate]

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