Add #get and #set methods to the Context object to allow for working …

…with multiple keys at once

lib/acidic_job/context.rb

@@ -6,6 +6,26 @@ def initialize(execution)
       @execution = execution
     end
 
+    def set(hash)
+      AcidicJob.instrument(:set_context, **hash) do
+        AcidicJob::Value.upsert_all(
+          hash.map do |key, value|
+            { execution_id: @execution.id,
+              key: key,
+              value: value }
+          end,
+          unique_by: %i[execution_id key]
+        )
+      end
+    end
+
+    def get(*keys)
+      AcidicJob.instrument(:get_context, keys: keys) do
+        @execution.values.select(:value).where(key: keys).pluck(:value)
+      end
+    end
+
+    # TODO: deprecate these methods
     def []=(key, value)
       AcidicJob.instrument(:set_context, key: key, value: value) do
         AcidicJob::Value.upsert(