web server - Borland Technical Publications

Application development overview
// Create an Interaction instance
javax.resource.cci.Interaction ix = ct.createInteraction();
// Create a new instance of the respective InteractionSpec
com.shme.shmeAdapter.InteractionSpecImpl ixSpec = new
com.shme.shmeAdapter.InteractionSpecImpl();
ixSpec.setFunctionName( "S_EXEC" );
ixSpec.setInteractionVerb( javax.resource.cci.InteractionSpec.SYNC_SEND_RECEIVE
);
// ...
// Get a RecordFactory instance
javax.resource.cci.RecordFactory recFactory = // ... get a RecordFactory
// Create a generic MappedRecord using the RecordFactory instance. This record
// instance acts as an input to the execution of an interaction. The name of
the
// Record acts as a pointer to the metadata for a specific record type
javax.resource.cci.MappedRecord input = recFactory.createMappedRecord(
"ShmeExecRecord" );
// Populate the generic MappedRecord instance with input values. The component
// code adds values based on the metadata it has accessed from the metadata
// repository
input.put( "", new String( "S_APP01" );
input.put( "", // ... );
// ...
// Create a generic IndexedRecord to hold output values that are set by the
// execution of the interaction
javax.resource.cci.IndexedRecord output =
recFactory.createIndexedRecord( "ShmeExecRecord" );
// Execute the Interaction
boolean response = ix.execute( ixSpec, input, output );
// Extract data from the output IndexedRecord. Note that type mapping is done
// in the generic IndexedRecord by mean of the type mapping information in the
// metadata repository. Since the component uses generic methods on the
// IndexedRecord, the component code performs the required type casting
java.util.Iterator iter = output.iterator();
while ( iter != null && iter.hasNext() )
{
// Get a record element and extract value ...
}
// Set up the requirements for the ResultSet returned by the execution of
// an Interaction. This step is optional. Default values are used if
// requirements are not explicitly set.
com.shme.shmeAdapter.InteractionSpecImpl rsIxSpec =
new com.shme.shmeAdapter.InteractionSpecImpl();
rsIxSpec.setFetchSize( 20 );
rsIxSpec,setResultSetType( javax.resource.cci.ResultSet.TYPE_SCROLL_INSENSITIVE
);
// Execute an Interaction that returns a ResultSet
javax.resource.cci.ResultSet rSet =
(javax.resource.cci.ResultSet)ix.execute( rsIxSpec, input );
Chapter 27: Using VisiConnect 273