org.eigenbase.lurql
Class LurqlQueryProcessor

java.lang.Object
  org.eigenbase.lurql.LurqlQueryProcessor

All Implemented Interfaces:

JmiQueryProcessor

Direct Known Subclasses:

LurqlQueryProcessor

public class LurqlQueryProcessor
extends Object
implements JmiQueryProcessor

LurqlQueryProcessor implements the JmiQueryProcessor interface for LURQL with the following implementation-specific behavior:

• parameters are not yet supported
• multiple threads may execute the same prepared query concurrently
• the repository must be MDR

Version:

$Id: //open/dev/farrago/src/org/eigenbase/lurql/LurqlQueryProcessor.java#2 $

Author:

John V. Sichi

Nested Class Summary

private class

LurqlQueryProcessor.PreparedQuery

Field Summary

private MDRepository

repos

Constructor Summary

LurqlQueryProcessor(MDRepository repos)
Constructs a new LurqlQueryProcessor.

Method Summary

JmiPreparedQuery

prepare(JmiModelView modelView, String queryText) Prepares a query for execution.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

repos

private final MDRepository repos

Constructor Detail

LurqlQueryProcessor

public LurqlQueryProcessor(MDRepository repos)

Constructs a new LurqlQueryProcessor.

Method Detail

prepare

public JmiPreparedQuery prepare(JmiModelView modelView,
                                String queryText)
                         throws JmiQueryException

Description copied from interface: JmiQueryProcessor

Prepares a query for execution.

Specified by:

prepare in interface JmiQueryProcessor

Parameters:

modelView - a view of the model to be queried

queryText - the text of the query (expected language is implementation-dependent)

Returns:

reference to prepared query

Throws:

JmiQueryException