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java.lang.Object | +--DSRG.MW.QueryEngine
Field Summary | |
private static boolean |
DEBUG
the debug flag |
private Main |
main
a handle to the Main class |
Constructor Summary | |
QueryEngine(Main myMain)
the constructor takes the handle to the main class as argument. |
Method Summary | |
private java.util.Vector |
breakdown_query(View v)
This method creates the queries that are sent to each IS. |
Table |
computeExtent(View v)
This method computes the extent of a view by using the queryBreakdown() method. |
java.lang.String |
reassemble_query(java.lang.String viewName)
This method creates the reassembly query for the intermediate DB from which this view is computed. |
Methods inherited from class java.lang.Object |
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Field Detail |
private Main main
private static final boolean DEBUG
Constructor Detail |
public QueryEngine(Main myMain)
Method Detail |
public Table computeExtent(View v)
private java.util.Vector breakdown_query(View v)
public java.lang.String reassemble_query(java.lang.String viewName)
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