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Sample tutorial on how of Spring Dependency Injection and Inversion of Control using Constructor Injection and Setter Injection

"Blueprint provides a dependency injection framework for OSGi and was standardized by the OSGi Alliance in OSGi Compendium R4.2. It is designed to deal with the dynamic nature of OSGi, where services can become available and unavailable at any time. The specification is also designed to work with plain old Java objects (POJOs) enabling simple components to be written and unit tested in a JSE environment without needing to be aware of how they are assembled. The Blueprint XML files that define and describe the assembly of various components are key to the Blueprint programming model. The specification describes how the components get instantiated and wired together to form a running module. The following documentation covers the 80:20 usage of Blueprint. For further details, please refer to the OSGi Compendium R4.2 specification."

modeling workflow engine (MWE) supports orchestration of different Eclipse modeling components to be executed within Eclipse as well as standalone. Based on a dependency injection framework, one can simply configure and wire up 'workflows' using a declarative XML-based language. The project provides the runtime used to execute workflows as well as the IDE tooling used to edit, start and debug them.