Patent 7926022 was granted and assigned to Lawson Software on April, 2011 by the United States Patent and Trademark Office.
Methods, apparatus and systems for processing of code that includes key fields having surrogate and extends relationships are described. In some embodiments, a method includes receiving a pattern language code having definitions of a number of classes, wherein a definition of a first class of the number of classes comprises a reference to a field. The method also includes compiling the pattern language code to generate an object code, wherein the compiling comprises validating that the field is defined with a context of the first class. The context includes a second class of the number of classes that has a surrogate relationship with the first class.