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# frozen_string_literal: true
module ProcessExecuter
module Destinations
# Base class for all destination handlers
#
# Provides the common interface and functionality for all destination
# classes that handle different types of output redirection.
#
# @api private
class DestinationBase
# Initializes a new destination handler
#
# @param destination [Object] the destination to write to
#
def initialize(destination)
@destination = destination
end
# The destination object this handler manages
#
# @return [Object] the destination object
attr_reader :destination
# Writes data to the destination
#
# Subclasses should override this method to provide specific write behavior.
# The base implementation is a no-op.
#
# @param _data [String] the data to write
#
# @return [Integer] the number of bytes written
#
def write(_data)
0
end
# Closes the destination if necessary
#
# By default, this method does nothing. Subclasses should override
# this method if they need to perform cleanup.
#
# @return [void]
def close; end
# Determines if this class can handle the given destination
#
# This is an abstract class method that must be implemented by subclasses.
#
# @param destination [Object] the destination to check
# @return [Boolean] true if this class can handle the destination
# @raise [NotImplementedError] if the subclass doesn't implement this method
def self.handles?(destination)
raise NotImplementedError
end
# Determines if this destination class can be wrapped by MonitoredPipe
#
# All destination types can be wrapped by MonitoredPipe unless they explicitly
# opt out.
#
# @return [Boolean]
def self.compatible_with_monitored_pipe? = true
# Determines if this destination instance can be wrapped by MonitoredPipe
#
# @return [Boolean]
def compatible_with_monitored_pipe?
self.class.compatible_with_monitored_pipe?
end
end
end
end
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