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Versions: 27
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Contents
module TaliaCore
module DataTypes
# Base class for all data records that use a plain file for data storage
class FileRecord < DataRecord
include FileStore
extend FileStore::ClassMethods
include PathHelpers
extend PathHelpers::ClassMethods
include TempFileHandling
extend TempFileHandling::ClassMethods
include DataLoader
extend DataLoader::ClassMethods
extend IipLoader
extend TaliaUtil::IoHelper # Data IO for class methods
after_save :save_attachment, :write_file_after_save
before_destroy :destroy_attachment
# Returns and, if necessary, creates the file for "delayed" copy operations
# returns all bytes in the object as an array
def all_bytes
read_all_bytes
end
# returns the next byte from the object, or nil at EOS
def get_byte(close_after_single_read=false)
next_byte(close_after_single_read)
end
# returns the current position of the read cursor (binary access)
def position
return (@position != nil) ? @position : 0
end
# reset the cursor to the initial state
def reset
set_position(0)
end
# set the new position of the reding cursors
def seek(new_position)
set_position(new_position)
end
# returns the size of the object in bytes
def size
data_size
end
end
end
end
Version data entries
27 entries across 27 versions & 1 rubygems