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# encoding: utf-8
module AMQP
# A utility class that makes inspection of broker capabilities easier.
class Broker
#
# API
#
RABBITMQ_PRODUCT = "RabbitMQ".freeze
# Broker information
# @return [Hash]
# @see Session#server_properties
attr_reader :properties
# @return [Hash] properties Broker information
# @see Session#server_properties
def initialize(properties)
@properties = properties
end # initialize(properties)
# @group Product information
# @return [Boolean] true if broker is RabbitMQ
def rabbitmq?
self.product == RABBITMQ_PRODUCT
end # rabbitmq?
# @return [String] Broker product information
def product
@product ||= @properties["product"]
end # product
# @return [String] Broker version
def version
@version ||= @properties["version"]
end # version
# @endgroup
# @group Product capabilities
# @return [Boolean]
def supports_publisher_confirmations?
@properties["capabilities"]["publisher_confirms"]
end # supports_publisher_confirmations?
# @return [Boolean]
def supports_basic_nack?
@properties["capabilities"]["basic.nack"]
end # supports_basic_nack?
# @return [Boolean]
def supports_consumer_cancel_notifications?
@properties["capabilities"]["consumer_cancel_notify"]
end # supports_consumer_cancel_notifications?
# @return [Boolean]
def supports_exchange_to_exchange_bindings?
@properties["capabilities"]["exchange_exchange_bindings"]
end # supports_exchange_to_exchange_bindings?
# @endgroup
end # Broker
end # AMQP
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