#!/usr/bin/env python
# Copyright 2012 Yummy Melon Software LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License 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.
#
# Author: <NAME>

from SequenceObject import SequenceObject

class Placeholder(SequenceObject):
    """
    Placeholder object representation in UMLGraph sequence diagram.
    
    """

    def picObjectInit(self):
        """
        Declares placeholder object in sequence diagram.

        Equivalent UMLGraph operation:
            placeholder_object(name);
            
        """
        buf = 'pobject({0});'.format(self.picName())
        self.parent.transactions.append(buf)

