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This is a framework designed for the creation of testable components which can
be interconnected via arbitrary inputs and outputs and those components can
be executed in the correct order (inputs satisfied before running) automatically.
This is useful since it aids developers in thinking in the paradigm where they plan components
ahead of time, allowing for simpler reuse and refactoring later. At yahoo! this
was created for a ETL like framework & pipeline, but its applications are not 
limited to solely that, since the concept itself is generic.

* Future developments
   - Integrate more services
   - Multi-threaded planning and execution
   - More tests!
   
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The FlowEtl project uses several 3rd party open source libraries and tools.
This file summarizes the tools used, their purpose, and the licenses under which
they're released.

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Except as specifically stated below, the 3rd party software packages are not
distributed as part of this project, but instead are separately downloaded from
the respective provider and built on the developer’s machine as a pre-build
step. 

* commons-io 2.0.1 (Apache license 2.0) 
    - Commons IO is a library of utilities 
      to assist with developing IO functionality. 
    - https://commons.apache.org/io/
    
* json-simple 1.1 (Apache license 2.0)
    - JSON.simple is a simple Java toolkit for JSON. 
      You can use JSON.simple to encode or decode JSON text. 
    - https://code.google.com/p/json-simple/
    
* commons-configuration 1.4 (Apache license 2.0) 
    - Commons Configuration provides a generic configuration 
      interface which enables a Java application
      to read configuration data from a variety of sources. 
    - https://commons.apache.org/configuration/
    
* commons-lang 2.6 (Apache license 2.0) 
    - Commons Lang, a package of Java utility classes for 
      the classes that are in java.lang's hierarchy, or are
      considered to be so standard as to justify existence in java.lang. 
    - https://commons.apache.org/lang/
    
* commons-httpclient 3.1 (Apache license 2.0) 
    - Commons HttpClient is a library for client-side HTTP communication.
    - http://hc.apache.org/httpclient-3.x/
    
* commons-collections 3.2.1 (Apache license 2.0)
    - Types that extend and augment the Java Collections Framework.
    - http://commons.apache.org/collections/
    
* commons-codec 1.4 (Apache license 2.0)
    - Contains simple encoder and decoders for various formats
      such as Base64 and Hexadecimal.
    - http://commons.apache.org/codec/
    
* log4j 1.2.15 (Apache license 2.0)
    - With log4j it is possible to enable logging at 
      runtime without modifying the application binary. 
      The log4j package is designed so that these statements 
      can remain in shipped code without incurring a 
      heavy performance cost. 
    - https://logging.apache.org/
    
* commons-cli 1.1 (Apache license 2.0)
    - Commons CLI provides a simple API for presenting, 
      processing and validating a command line interface. 
    - http://commons.apache.org/cli/
    
* commons-logging 1.1.1 (Apache license 2.0)
    - Commons Logging is a thin adapter allowing 
      configurable bridging to other, well known logging systems. 
    - http://commons.apache.org/logging/
    
* xstream 1.3.1 (BSD-style license)
    - XStream is a simple library to serialize objects to XML and back again.
    - http://xstream.codehaus.org/
    
* xpp3 1.1.4c (Indiana University Extreme! Lab Software License)
    - A stable XmlPull parsing engine that is based on ideas from XPP 
      and in particular XPP2 but completely revised and 
      rewritten to take the best advantage of latest JIT JVMs
      such as Hotspot in JDK 1.4+.
    - http://www.extreme.indiana.edu/xgws/xsoap/xpp/
    
* c3p0 0.9.0 (GNU Library or Lesser General Public License)
    - c3p0 is an easy-to-use library for augmenting traditional 
      (DriverManager-based) JDBC drivers with JNDI-bindable DataSources, 
      including DataSources that implement Connection and Statement
      Pooling, as described by the jdbc3 spec and jdbc2 std extension.
    - http://sourceforge.net/projects/c3p0/
    
* mysql-connector-java 3.0.10 (GPLv2) 
    - MySQL Connector/J is the official JDBC driver for MySQL.
    - http://dev.mysql.com/downloads/connector/j/
    
* jgrapht 0.7.3 (GNU Lesser General Public License)
    - JGraphT is a free Java graph library that provides 
      mathematical graph-theory objects and algorithms.
    - http://www.jgrapht.org/
    
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* GNU licenses
    - https://www.gnu.org/licenses/
    
* Xstream license
    - http://xstream.codehaus.org/license.html
 
* Apache license 2.0
    - https://www.apache.org/licenses/LICENSE-2.0.html
    
* xpp3 license
    - http://www.extreme.indiana.edu/xgws/xsoap/PullParser/LICENSE.txt
    
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1. To compile just install maven and run mvn compile.
2. To run tests run mvn test.
3. To package run mvn package.
4. To clean run mvn clean.

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