Class: Seasar::DBI::DBIInterceptor

Inherits:
Object
  • Object
show all
Defined in:
lib/seasar/dbi/dbi-interceptor.rb

Defined Under Namespace

Classes: ConnectError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DBIInterceptor

  • args

    • none



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# File 'lib/seasar/dbi/dbi-interceptor.rb', line 28

def initialize
  @dbh = :di, ::DBI::DatabaseHandle
  @statements = {}
  @auto_finish = true
end

Instance Attribute Details

#auto_finish ⇒ Object

Returns the value of attribute auto_finish.



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# File 'lib/seasar/dbi/dbi-interceptor.rb', line 33

def auto_finish
  @auto_finish
end

Instance Method Details

#call(invocation) ⇒ Object

  • args

    1. Seasar::Aop::MethodInvocation invocation

  • return

    • Object



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# File 'lib/seasar/dbi/dbi-interceptor.rb', line 42

def call(invocation)
  sql, context = invocation.proceed
  sql.strip!
  context = invocation.args if context.nil?
  if !context.is_a?(Array) && !context.is_a?(Hash)
    context = [context]
  end
    
  if not @statements.key?(sql) or @statements[sql].finished?
    s2logger.debug(self.class.name){"#{sql} : (#{context.inspect})"}
    @statements[sql] = @dbh.prepare(sql)
  end
  begin
    if context.is_a?(Array)
      @statements[sql].execute(*context)
    else
      @statements[sql].execute(context)
    end
  rescue => e
    @statements[sql].finish
    raise e
  end

  if @statements[sql].column_names.size == 0
    result = @statements[sql].rows
  else
    result = []
    @statements[sql].fetch_hash {|row| result << row}
  end

  @statements[sql].finish if @auto_finish
  return result
end

#finish_all ⇒ Object

  • args

    • none

  • return

    • none



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# File 'lib/seasar/dbi/dbi-interceptor.rb', line 82

def finish_all
  @statements.each {|key, val| val.finish if not val.finished? }
end