Release 10.1A: OpenEdge Development:
Java Open Clients

Overview of Java OpenAPI classes

Table 11–1 shows a summary of the classes that support the Java OpenAPI.

Table 11–1: Java OpenAPI Classes

Class	Description
com.progress.open4gl.javaproxy.OpenAppObject	For accessing external Progress 4GL procedures in an application service using the OpenAPI.
com.progress.open4gl.javaproxy.OpenProcObject	For accessing a 4GL persistent procedure using the OpenAPI.
com.progress.open4gl.javaproxy.ParamArray	An object containing an array for passing parameters to a 4GL procedure or user-defined function.
com.progress.open4gl.javaproxy.ParamArrayMode	Constants for specifying the mode of a 4GL procedure or user-defined function parameter (INPUT, INPUT-OUTPUT, or OUTPUT).
com.progress.open4gl.Parameter	Constants for specifying the 4GL data type of a procedure or user-defined function parameter, return type, or temp-table field.
com.progress.open4gl.ProDataGraphMetaData	For defining the schema of a 4GL ProDataSet or temp-table mapped to a ProDataGraph.1
com.progress.open4gl.ProDataObjectMetaData	For defining the schema of a 4GL temp-table contained within a ProDataGraph (mapped to a ProDataObject).2
com.progress.open4gl.ProDataRelationMetaData	For defining a ProDataSet data-relation contained within a ProDataGraph.2
com.progress.open4gl.dynamicapi.ProResultSetMe taDataImpl	For defining the schema of a 4GL temp-table mapped to an SQL ResultSet.2

1For complete description of the ProDataGraph class and its associated classes, see Chapter 5, " Accessing Progress ProDataSets." 2For complete information on temp-table parameters mapped to an SQL ResultSet, see Appendix C "Passing Temp-tables as SQL ResultSet Parameters."

The sections of this chapter describe how to use these classes to access an AppServer using the Java OpenAPI.