About:

Simple Get ID REST call on http://jsonplaceholder.typicode.com/. There is no user interface to this application.

The main function creates three threads.

The Publisher thread is the background thread which if gets a requestID makes a call to jsonplaceholder for the ID and gets the response in a string.

The Observer thread is the one which fires a request to the Publisher thread and waits for the response in its response queue. There are two Observer threads in this application.

Requirements:

OS : MAC OS X
Tools: 
1. git, make, g++, poco library installation
2. You can build and install the poco library from source from here : http://pocoproject.org/download/index.html
3. At the time of writing this, poco-1.7.3 was used. The basic edition is good enough. Complete edition is not required for this application.

Follow steps below to compile and run the app:

 1. Make sure the Poco include files are in /usr/local/include and the Poco libraries are in /usr/local/lib. If this is not the case, you will have to modify the Makefile to compile the program.
 2. Go to any directory you want the source code to be downloaded
 3. type 'git clone https://github.com/musicophilic/ObserverPatternPocoDemo'
 4. cd ObserverPatternPocoDemo
 5. make clobber clean
 6. make
 7. run the application by ./dist/Debug/GNU-MacOSX/observerpatternpocodemo