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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
module AWS
class SimpleWorkflow
# This collection represents the history events ({HistoryEvent}) for a
# single workflow execution.
#
# See {Core::Collection} for documentation on the standard enumerable
# methods and their options.
#
class HistoryEventCollection
include Core::Collection::WithLimitAndNextToken
# @param [WorkflowExecution] workflow_execution The execution this
# history event belongs to.
#
# @param [Hash] options
#
# @option options [Boolean] :reverse_order (false) When true,
# history events are enumerated in reverse chronological order.
#
def initialize workflow_execution, options = {}
@workflow_execution = workflow_execution
@reverse_order = options.key?(:reverse_order) ?
!!options[:reverse_order] : false
super
end
# @return [WorkflowExecution]
attr_reader :workflow_execution
# @return [WorkflowExecutionCollection] Returns a collection that
# enumerates workflow executions in reverse order.
def reverse_order
self.class.new(workflow_execution, :reverse_order => true)
end
protected
def _each_item next_token, limit, options = {}, &block
options[:domain] = workflow_execution.domain.name
options[:execution] = {
:workflow_id => workflow_execution.workflow_id,
:run_id => workflow_execution.run_id,
}
options[:maximum_page_size] = limit if limit
options[:next_page_token] = next_token if next_token
options[:reverse_order] = @reverse_order unless
options.has_key?(:reverse_order)
response = client.get_workflow_execution_history(options)
response.data['events'].each do |desc|
event = HistoryEvent.new(workflow_execution, desc)
yield(event)
end
response.data['nextPageToken']
end
end
end
end
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