[JBoss-dev] CVS update: jboss/src/main/org/jboss/ejb/plugins/cmp/jdbc JDBCJBossQLQuery.java

[Dain S. <dsu...@us...>]

  User: dsundstrom
  Date: 02/02/26 15:48:58

  Added:       src/main/org/jboss/ejb/plugins/cmp/jdbc
                        JDBCJBossQLQuery.java
  Log:
  Initial revision of JBossQL query command.  JBossQL is a superset of EJB-QL
  that in this intial revison adds support for ORDER BY.
  
  Revision  Changes    Path
  1.1                  jboss/src/main/org/jboss/ejb/plugins/cmp/jdbc/JDBCJBossQLQuery.java
  
  Index: JDBCJBossQLQuery.java
  ===================================================================
  /*
   * JBoss, the OpenSource J2EE webOS
   *
   * Distributable under LGPL license.
   * See terms of license at gnu.org.
   */
  
  package org.jboss.ejb.plugins.cmp.jdbc;
  
  import org.jboss.deployment.DeploymentException;
  import org.jboss.ejb.plugins.cmp.ejbql.Catalog;
  import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCJBossQLQueryMetaData;
  import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCQueryMetaData;
  
  /**
   * This class generates a query from JBoss-QL.
   *
   * @author <a href="mailto:da...@da...">Dain Sundstrom</a>
   * @version $Revision: 1.1 $
   */
  public class JDBCJBossQLQuery extends JDBCAbstractQueryCommand {
  
     public JDBCJBossQLQuery(
           JDBCStoreManager manager, 
           JDBCQueryMetaData q) throws DeploymentException {
  
        super(manager, q);
  
        JDBCJBossQLQueryMetaData metadata = (JDBCJBossQLQueryMetaData)q;
        if(getLog().isDebugEnabled()) {
           getLog().debug("EJB-QL: " + metadata.getJBossQL());
        }
        
        JDBCEJBQLCompiler compiler = new JDBCEJBQLCompiler(
              (Catalog)manager.getApplicationData("CATALOG"));
  
        try {
           compiler.compileJBossQL(
                 metadata.getJBossQL(),
                 metadata.getMethod().getReturnType(),
                 metadata.getMethod().getParameterTypes(),
                 metadata.getReadAhead());
        } catch(Throwable t) {
           throw new DeploymentException("Error compiling ejbql", t);
        }
        
        // set the sql
        if(getLog().isDebugEnabled()) {
           getLog().debug("SQL:\r\n" + compiler.getSQL());
        }
        setSQL(compiler.getSQL());
        
        // set select object
        if(compiler.isSelectEntity()) {
           setSelectEntity(compiler.getSelectEntity());
        } else {
           setSelectField(compiler.getSelectField());
        }
  
        // get the parameter order
        setParameterList(compiler.getInputParameters());
     }
  }