The application assembler and deployer should be able to customize an enterprise bean's business logic without accessing the enterprise bean's source code. In addition, ISVs typically develop enterprise beans that are, to a large degree, independent from the operational environment in which the application will be deployed. Most enterprise beans must access resource managers and external information. The key issue is how enterprise beans can locate external information without prior knowledge of how the external information is named and organized in the target operational environment. The enterprise bean environment mechanism attempts to address both of the above issues. This chapter is organized as follows :
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