Class: BatchLoader::GraphQL
- Inherits:
-
Object
- Object
- BatchLoader::GraphQL
- Defined in:
- lib/batch_loader/graphql.rb
Instance Attribute Summary collapse
-
#batch_loader ⇒ Object
writeonly
Sets the attribute batch_loader.
Class Method Summary collapse
- .for(item) ⇒ Object
- .instrument(type, field) ⇒ Object
- .trace(event, _data) ⇒ Object
- .use(schema_definition) ⇒ Object
- .wrap(batch_loader) ⇒ Object
Instance Method Summary collapse
- #batch(**kwargs, &block) ⇒ Object
-
#initialize(item = nil) ⇒ GraphQL
constructor
A new instance of GraphQL.
- #sync ⇒ Object
Constructor Details
#initialize(item = nil) ⇒ GraphQL
Returns a new instance of GraphQL.
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# File 'lib/batch_loader/graphql.rb', line 53 def initialize(item = nil) @batch_loader = BatchLoader.for(item) end |
Instance Attribute Details
#batch_loader=(value) ⇒ Object (writeonly)
Sets the attribute batch_loader
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# File 'lib/batch_loader/graphql.rb', line 51 def batch_loader=(value) @batch_loader = value end |
Class Method Details
.for(item) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 47 def self.for(item) new(item) end |
.instrument(type, field) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 25 def self.instrument(type, field) old_resolve_proc = field.resolve_proc new_resolve_proc = ->(object, arguments, context) do result = old_resolve_proc.call(object, arguments, context) result.respond_to?(:__sync) ? wrap_with_warning(result) : result end field.redefine { resolve(new_resolve_proc) } end |
.trace(event, _data) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 16 def self.trace(event, _data) if event == 'execute_field' result = yield result.respond_to?(:__sync) ? wrap_with_warning(result) : result else yield end end |
.use(schema_definition) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 5 def self.use(schema_definition) schema_definition.lazy_resolve(BatchLoader::GraphQL, :sync) # in cases when BatchLoader is being used instead of BatchLoader::GraphQL if schema_definition.respond_to?(:interpreter?) && schema_definition.interpreter? schema_definition.tracer(self) else schema_definition.instrument(:field, self) end end |
.wrap(batch_loader) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 41 def self.wrap(batch_loader) BatchLoader::GraphQL.new.tap do |graphql| graphql.batch_loader = batch_loader end end |
Instance Method Details
#batch(**kwargs, &block) ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 57 def batch(**kwargs, &block) @batch_loader.batch(**kwargs, &block) self end |
#sync ⇒ Object
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# File 'lib/batch_loader/graphql.rb', line 62 def sync @batch_loader.__sync end |