User: dsundstrom
Date: 01/12/01 16:05:45
Modified: src/main/org/jboss/ejb/plugins/jaws
JAWSPersistenceManager.java
Log:
Moved createBeanInstance and initEntity back into the PersistenceStore.
Revision Changes Path
1.34 +96 -1
jboss/src/main/org/jboss/ejb/plugins/jaws/JAWSPersistenceManager.java
Index: JAWSPersistenceManager.java
===================================================================
RCS file:
/cvsroot/jboss/jboss/src/main/org/jboss/ejb/plugins/jaws/JAWSPersistenceManager.java,v
retrieving revision 1.33
retrieving revision 1.34
diff -u -r1.33 -r1.34
--- JAWSPersistenceManager.java 2001/11/24 20:43:24 1.33
+++ JAWSPersistenceManager.java 2001/12/02 00:05:45 1.34
@@ -6,12 +6,15 @@
*/
package org.jboss.ejb.plugins.jaws;
+import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.rmi.RemoteException;
+import java.util.Iterator;
import javax.ejb.CreateException;
+import javax.ejb.EJBException;
import javax.ejb.RemoveException;
import org.apache.log4j.Category;
@@ -23,6 +26,8 @@
import org.jboss.ejb.plugins.jaws.jdbc.JDBCCommandFactory;
+import org.jboss.metadata.EntityMetaData;
+
import org.jboss.util.FinderResults;
/**
@@ -34,7 +39,7 @@
* @author <a href="mailto:[EMAIL PROTECTED]";>Marc Fleury</a>
* @author <a href="mailto:[EMAIL PROTECTED]";>Joe Shevland</a>
* @author <a href="mailto:[EMAIL PROTECTED]";>Justin Forder</a>
- * @version $Revision: 1.33 $
+ * @version $Revision: 1.34 $
*
* <p><b>Revisions:</b>
*
@@ -42,6 +47,10 @@
* <ul>
* <li> Get Rid of debug flag, use log4j instead
* </ul>
+ * <p><b>20011201 Dain Sundstrom:</b>
+ * <ul>
+ * <li> Added createBeanInstance and initEntity methods
+ * </ul>
*
*/
public class JAWSPersistenceManager
@@ -122,6 +131,92 @@
{
if(destroyCommand != null) // On deploy errors, sometimes JAWS was never
initialized!
destroyCommand.execute();
+ }
+
+ public Object createBeanClassInstance() throws Exception {
+ return container.getBeanClass().newInstance();
+ }
+
+ /**
+ * Reset all attributes to default value
+ *
+ * The EJB 1.1 specification is not entirely clear about this,
+ * the EJB 2.0 spec is, see page 169.
+ * Robustness is more important than raw speed for most server
+ * applications, and not resetting atrribute values result in
+ * *very* weird errors (old states re-appear in different instances and the
+ * developer thinks he's on drugs).
+ */
+ public void initEntity(EntityEnterpriseContext ctx)
+ {
+ // first get cmp metadata of this entity
+ Object instance = ctx.getInstance();
+ Class ejbClass = instance.getClass();
+ Field cmpField;
+ Class cmpFieldType;
+
+ EntityMetaData metaData = (EntityMetaData)container.getBeanMetaData();
+ Iterator i= metaData.getCMPFields();
+
+ while(i.hasNext())
+ {
+ try
+ {
+ // get the field declaration
+ try
+ {
+ cmpField = ejbClass.getField((String)i.next());
+ cmpFieldType = cmpField.getType();
+ // find the type of the field and reset it
+ // to the default value
+ if (cmpFieldType.equals(boolean.class))
+ {
+ cmpField.setBoolean(instance,false);
+ }
+ else if (cmpFieldType.equals(byte.class))
+ {
+ cmpField.setByte(instance,(byte)0);
+ }
+ else if (cmpFieldType.equals(int.class))
+ {
+ cmpField.setInt(instance,0);
+ }
+ else if (cmpFieldType.equals(long.class))
+ {
+ cmpField.setLong(instance,0L);
+ }
+ else if (cmpFieldType.equals(short.class))
+ {
+ cmpField.setShort(instance,(short)0);
+ }
+ else if (cmpFieldType.equals(char.class))
+ {
+ cmpField.setChar(instance,'\u0000');
+ }
+ else if (cmpFieldType.equals(double.class))
+ {
+ cmpField.setDouble(instance,0d);
+ }
+ else if (cmpFieldType.equals(float.class))
+ {
+ cmpField.setFloat(instance,0f);
+ }
+ else
+ {
+ cmpField.set(instance,null);
+ }
+ }
+ catch (NoSuchFieldException e)
+ {
+ // will be here with dependant value object's private attributes
+ // should not be a problem
+ }
+ }
+ catch (Exception e)
+ {
+ throw new EJBException(e);
+ }
+ }
}
public Object createEntity(Method m,
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