User: dsundstrom
Date: 02/01/15 14:21:19
Modified: src/main/org/jboss/ejb/plugins/cmp/jdbc JDBCFindByQuery.java
Log:
Added support for read ahead on find.
Revision Changes Path
1.2 +21 -5
jboss/src/main/org/jboss/ejb/plugins/cmp/jdbc/JDBCFindByQuery.java
Index: JDBCFindByQuery.java
===================================================================
RCS file:
/cvsroot/jboss/jboss/src/main/org/jboss/ejb/plugins/cmp/jdbc/JDBCFindByQuery.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- JDBCFindByQuery.java 2001/11/28 11:32:54 1.1
+++ JDBCFindByQuery.java 2002/01/15 22:21:19 1.2
@@ -6,9 +6,13 @@
*/
package org.jboss.ejb.plugins.cmp.jdbc;
+import java.util.ArrayList;
+import java.util.List;
+
import org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCCMPFieldBridge;
import org.jboss.ejb.plugins.cmp.jdbc.bridge.JDBCEntityBridge;
import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCQueryMetaData;
+import org.jboss.ejb.plugins.cmp.jdbc.metadata.JDBCReadAheadMetaData;
/**
* JDBCFindByQuery automatic finder used in CMP 1.x.
@@ -19,7 +23,7 @@
* @author <a href="mailto:[EMAIL PROTECTED]";>Joe Shevland</a>
* @author <a href="mailto:[EMAIL PROTECTED]";>Justin Forder</a>
* @author <a href="mailto:[EMAIL PROTECTED]";>danch (Dan Christopherson)</a>
- * @version $Revision: 1.1 $
+ * @version $Revision: 1.2 $
*/
public class JDBCFindByQuery extends JDBCAbstractQueryCommand {
@@ -40,16 +44,28 @@
String cmpFieldName = Character.toLowerCase(finderName.charAt(6)) +
finderName.substring(7);
+ // get the field
cmpField = (JDBCCMPFieldBridge)entity.getCMPFieldByName(cmpFieldName);
if(cmpField == null) {
throw new IllegalArgumentException(
- "No finder for this method: " + finderName);
+ "No finder for this method: " + finderName);
}
- // Compute SQL
+ // set the preload fields
+ JDBCReadAheadMetaData readAhead = q.getReadAhead();
+ if(!readAhead.isOnFind()) {
+ String eagerLoadGroupName = readAhead.getEagerLoadGroup();
+ setPreloadFields(entity.getLoadGroup(eagerLoadGroupName));
+ }
+
+ // get a list of all fields to be loaded
+ List loadFields = new ArrayList();
+ loadFields.addAll(entity.getPrimaryKeyFields());
+ loadFields.addAll(getPreloadFields());
+
+ // generate the sql
StringBuffer sql = new StringBuffer();
- sql.append("SELECT ").append(SQLUtil.getColumnNamesClause(
- entity.getJDBCPrimaryKeyFields()));
+ sql.append("SELECT ").append(SQLUtil.getColumnNamesClause(loadFields));
sql.append(" FROM ").append(entity.getTableName());
sql.append(" WHERE ").append(SQLUtil.getWhereClause(cmpField));
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