Repository: sqoop
Updated Branches:
  refs/heads/sqoop2 3257b3855 -> 39a220000


http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/core/src/test/java/org/apache/sqoop/repository/TestJdbcRepository.java
----------------------------------------------------------------------
diff --git 
a/core/src/test/java/org/apache/sqoop/repository/TestJdbcRepository.java 
b/core/src/test/java/org/apache/sqoop/repository/TestJdbcRepository.java
index 34bd8a5..ff9e0c3 100644
--- a/core/src/test/java/org/apache/sqoop/repository/TestJdbcRepository.java
+++ b/core/src/test/java/org/apache/sqoop/repository/TestJdbcRepository.java
@@ -43,14 +43,14 @@ import java.util.List;
 import org.apache.sqoop.common.Direction;
 import org.apache.sqoop.common.SqoopException;
 import org.apache.sqoop.connector.ConnectorManager;
-import org.apache.sqoop.connector.spi.RepositoryUpgrader;
+import org.apache.sqoop.connector.spi.ConnectorConfigurableUpgrader;
 import org.apache.sqoop.connector.spi.SqoopConnector;
 import org.apache.sqoop.driver.Driver;
+import org.apache.sqoop.driver.DriverUpgrader;
 import org.apache.sqoop.json.DriverBean;
 import org.apache.sqoop.model.ConfigUtils;
 import org.apache.sqoop.model.ConfigurationClass;
 import org.apache.sqoop.model.MConfig;
-import org.apache.sqoop.model.MConfigList;
 import org.apache.sqoop.model.MConnector;
 import org.apache.sqoop.model.MDriver;
 import org.apache.sqoop.model.MDriverConfig;
@@ -65,7 +65,6 @@ import org.apache.sqoop.validation.Validator;
 import org.junit.Before;
 import org.junit.Test;
 import org.mockito.InOrder;
-import org.mockito.Mockito;
 
 public class TestJdbcRepository {
 
@@ -75,7 +74,8 @@ public class TestJdbcRepository {
   private Driver driverMock;
   private JdbcRepositoryHandler repoHandlerMock;
   private Validator validatorMock;
-  private RepositoryUpgrader upgraderMock;
+  private ConnectorConfigurableUpgrader connectorUpgraderMock;
+  private DriverUpgrader driverUpgraderMock;
 
   private ConfigValidator validRepoMock;
   private ConfigValidator invalidRepoMock;
@@ -87,7 +87,8 @@ public class TestJdbcRepository {
     driverMock = mock(Driver.class);
     repoHandlerMock = mock(JdbcRepositoryHandler.class);
     validatorMock = mock(Validator.class);
-    upgraderMock = mock(RepositoryUpgrader.class);
+    connectorUpgraderMock = mock(ConnectorConfigurableUpgrader.class);
+    driverUpgraderMock = mock(DriverUpgrader.class);
     repoSpy = spy(new JdbcRepository(repoHandlerMock, null));
 
     // setup transaction and connector manager
@@ -100,8 +101,15 @@ public class TestJdbcRepository {
     invalidRepoMock = mock(ConfigValidator.class);
     when(invalidRepoMock.getStatus()).thenReturn(Status.UNACCEPTABLE);
 
-    doNothing().when(upgraderMock).upgrade(any(MLinkConfig.class), 
any(MLinkConfig.class));
-    doNothing().when(upgraderMock).upgrade(any(MFromConfig.class), 
any(MFromConfig.class));
+    
doNothing().when(connectorUpgraderMock).upgradeLinkConfig(any(MLinkConfig.class),
+        any(MLinkConfig.class));
+    
doNothing().when(connectorUpgraderMock).upgradeFromJobConfig(any(MFromConfig.class),
+        any(MFromConfig.class));
+    
doNothing().when(connectorUpgraderMock).upgradeToJobConfig(any(MToConfig.class),
+        any(MToConfig.class));
+    
doNothing().when(driverUpgraderMock).upgradeJobConfig(any(MDriverConfig.class),
+        any(MDriverConfig.class));
+
   }
 
   /**
@@ -117,14 +125,14 @@ public class TestJdbcRepository {
     // make the upgradeConnector to throw an exception to prove that it has 
been called
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
         "upgradeConnector() has been called.");
-    doThrow(exception).when(connectorMgrMock).getConnector(anyString());
+    doThrow(exception).when(connectorMgrMock).getSqoopConnector(anyString());
 
     try {
       repoSpy.registerConnector(newConnector, true);
     } catch (SqoopException ex) {
       assertEquals(ex.getMessage(), exception.getMessage());
       verify(repoHandlerMock, times(1)).findConnector(anyString(), 
any(Connection.class));
-      verify(connectorMgrMock, times(1)).getConnector(anyString());
+      verify(connectorMgrMock, times(1)).getSqoopConnector(anyString());
       verifyNoMoreInteractions(repoHandlerMock);
       return ;
     }
@@ -218,28 +226,29 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(validRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(validRepoMock);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
     
when(sqconnector.getLinkConfigurationClass()).thenReturn(EmptyLinkConfiguration.class);
     
when(sqconnector.getJobConfigurationClass(any(Direction.class))).thenReturn(
         EmptyJobConfiguration.class);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     // prepare the links and jobs
+    // the connector Id for both are the same
     List<MLink> linkList = links(link(1,1), link(2,1));
-    List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
+    List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,2));
 
     // mock necessary methods for upgradeConnector() procedure
     doReturn(linkList).when(repoSpy).findLinksForConnector(anyLong());
     doReturn(jobList).when(repoSpy).findJobsForConnector(anyLong());
     doNothing().when(repoSpy).updateLink(any(MLink.class), 
any(RepositoryTransaction.class));
     doNothing().when(repoSpy).updateJob(any(MJob.class), 
any(RepositoryTransaction.class));
-    doNothing().when(repoSpy).upgradeConnector(any(MConnector.class), 
any(RepositoryTransaction.class));
+    doNothing().when(repoSpy).upgradeConnectorConfigs(any(MConnector.class), 
any(RepositoryTransaction.class));
 
     repoSpy.upgradeConnector(oldConnector, newConnector);
 
     InOrder repoOrder = inOrder(repoSpy);
     InOrder txOrder = inOrder(repoTransactionMock);
-    InOrder upgraderOrder = inOrder(upgraderMock);
+    InOrder upgraderOrder = inOrder(connectorUpgraderMock);
     InOrder validatorOrder = inOrder(validatorMock);
 
     repoOrder.verify(repoSpy, times(1)).findLinksForConnector(anyLong());
@@ -249,7 +258,7 @@ public class TestJdbcRepository {
     repoOrder.verify(repoSpy, times(1)).deleteJobInputs(2, 
repoTransactionMock);
     repoOrder.verify(repoSpy, times(1)).deleteLinkInputs(1, 
repoTransactionMock);
     repoOrder.verify(repoSpy, times(1)).deleteLinkInputs(2, 
repoTransactionMock);
-    repoOrder.verify(repoSpy, 
times(1)).upgradeConnector(any(MConnector.class), 
any(RepositoryTransaction.class));
+    repoOrder.verify(repoSpy, 
times(1)).upgradeConnectorConfigs(any(MConnector.class), 
any(RepositoryTransaction.class));
     repoOrder.verify(repoSpy, times(2)).updateLink(any(MLink.class), 
any(RepositoryTransaction.class));
     repoOrder.verify(repoSpy, times(4)).updateJob(any(MJob.class), 
any(RepositoryTransaction.class));
     repoOrder.verifyNoMoreInteractions();
@@ -257,8 +266,11 @@ public class TestJdbcRepository {
     txOrder.verify(repoTransactionMock, times(1)).commit();
     txOrder.verify(repoTransactionMock, times(1)).close();
     txOrder.verifyNoMoreInteractions();
-    upgraderOrder.verify(upgraderMock, 
times(2)).upgrade(any(MLinkConfig.class), any(MLinkConfig.class));
-    upgraderOrder.verify(upgraderMock, 
times(4)).upgrade(any(MFromConfig.class), any(MFromConfig.class));
+    upgraderOrder.verify(connectorUpgraderMock, 
times(2)).upgradeLinkConfig(any(MLinkConfig.class), any(MLinkConfig.class));
+    upgraderOrder.verify(connectorUpgraderMock, 
times(1)).upgradeFromJobConfig(any(MFromConfig.class), any(MFromConfig.class));
+    upgraderOrder.verify(connectorUpgraderMock, 
times(1)).upgradeToJobConfig(any(MToConfig.class), any(MToConfig.class));
+    upgraderOrder.verify(connectorUpgraderMock, 
times(1)).upgradeFromJobConfig(any(MFromConfig.class), any(MFromConfig.class));
+    upgraderOrder.verify(connectorUpgraderMock, 
times(1)).upgradeToJobConfig(any(MToConfig.class), any(MToConfig.class));
     upgraderOrder.verifyNoMoreInteractions();
     validatorOrder.verify(validatorMock, 
times(2)).validateConfigForLink(anyObject());
     // @TODO(Abe): Re-enable job validation?
@@ -277,34 +289,34 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(validRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(validRepoMock);
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
-    
when(driverMock.getDriverConfigurationGroupClass()).thenReturn(EmptyJobConfiguration.class);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
+    
when(driverMock.getDriverJobConfigurationClass()).thenReturn(EmptyJobConfiguration.class);
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
 
     doReturn(jobList).when(repoSpy).findJobs();
     doNothing().when(repoSpy).updateLink(any(MLink.class), 
any(RepositoryTransaction.class));
     doNothing().when(repoSpy).updateJob(any(MJob.class), 
any(RepositoryTransaction.class));
-    doNothing().when(repoSpy).upgradeDriver(any(MDriver.class), 
any(RepositoryTransaction.class));
+    doNothing().when(repoSpy).upgradeDriverConfigs(any(MDriver.class), 
any(RepositoryTransaction.class));
 
     repoSpy.upgradeDriver(newDriverConfig);
 
     InOrder repoOrder = inOrder(repoSpy);
     InOrder txOrder = inOrder(repoTransactionMock);
-    InOrder upgraderOrder = inOrder(upgraderMock);
+    InOrder upgraderOrder = inOrder(driverUpgraderMock);
     InOrder validatorOrder = inOrder(validatorMock);
 
     repoOrder.verify(repoSpy, times(1)).findJobs();
     repoOrder.verify(repoSpy, times(1)).getTransaction();
     repoOrder.verify(repoSpy, times(1)).deleteJobInputs(1, 
repoTransactionMock);
     repoOrder.verify(repoSpy, times(1)).deleteJobInputs(2, 
repoTransactionMock);
-    repoOrder.verify(repoSpy, times(1)).upgradeDriver(any(MDriver.class), 
any(RepositoryTransaction.class));
+    repoOrder.verify(repoSpy, 
times(1)).upgradeDriverConfigs(any(MDriver.class), 
any(RepositoryTransaction.class));
     repoOrder.verify(repoSpy, times(2)).updateJob(any(MJob.class), 
any(RepositoryTransaction.class));
     repoOrder.verifyNoMoreInteractions();
     txOrder.verify(repoTransactionMock, times(1)).begin();
     txOrder.verify(repoTransactionMock, times(1)).commit();
     txOrder.verify(repoTransactionMock, times(1)).close();
     txOrder.verifyNoMoreInteractions();
-    upgraderOrder.verify(upgraderMock, 
times(2)).upgrade(any(MConfigList.class), any(MConfigList.class));
+    upgraderOrder.verify(driverUpgraderMock, 
times(2)).upgradeJobConfig(any(MDriverConfig.class), any(MDriverConfig.class));
     upgraderOrder.verifyNoMoreInteractions();
     validatorOrder.verify(validatorMock, 
times(2)).validateConfigForJob(anyObject());
     validatorOrder.verifyNoMoreInteractions();
@@ -321,13 +333,13 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(invalidRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(invalidRepoMock);
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
-    
when(driverMock.getDriverConfigurationGroupClass()).thenReturn(EmptyJobConfiguration.class);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
+    
when(driverMock.getDriverJobConfigurationClass()).thenReturn(EmptyJobConfiguration.class);
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
 
     doReturn(jobList).when(repoSpy).findJobs();
     doNothing().when(repoSpy).updateJob(any(MJob.class), 
any(RepositoryTransaction.class));
-    doNothing().when(repoSpy).upgradeDriver(any(MDriver.class), 
any(RepositoryTransaction.class));
+    doNothing().when(repoSpy).upgradeDriverConfigs(any(MDriver.class), 
any(RepositoryTransaction.class));
 
     try {
       repoSpy.upgradeDriver(newDriverConfig);
@@ -336,20 +348,20 @@ public class TestJdbcRepository {
 
       InOrder repoOrder = inOrder(repoSpy);
       InOrder txOrder = inOrder(repoTransactionMock);
-      InOrder upgraderOrder = inOrder(upgraderMock);
+      InOrder upgraderOrder = inOrder(driverUpgraderMock);
       InOrder validatorOrder = inOrder(validatorMock);
 
       repoOrder.verify(repoSpy, times(1)).findJobs();
       repoOrder.verify(repoSpy, times(1)).getTransaction();
       repoOrder.verify(repoSpy, times(1)).deleteJobInputs(1, 
repoTransactionMock);
       repoOrder.verify(repoSpy, times(1)).deleteJobInputs(2, 
repoTransactionMock);
-      repoOrder.verify(repoSpy, times(1)).upgradeDriver(any(MDriver.class), 
any(RepositoryTransaction.class));
+      repoOrder.verify(repoSpy, 
times(1)).upgradeDriverConfigs(any(MDriver.class), 
any(RepositoryTransaction.class));
       repoOrder.verifyNoMoreInteractions();
       txOrder.verify(repoTransactionMock, times(1)).begin();
       txOrder.verify(repoTransactionMock, times(1)).rollback();
       txOrder.verify(repoTransactionMock, times(1)).close();
       txOrder.verifyNoMoreInteractions();
-      upgraderOrder.verify(upgraderMock, 
times(2)).upgrade(any(MConfigList.class), any(MConfigList.class));
+      upgraderOrder.verify(driverUpgraderMock, 
times(2)).upgradeJobConfig(any(MDriverConfig.class), any(MDriverConfig.class));
       upgraderOrder.verifyNoMoreInteractions();
       // driver configs are per job.
       validatorOrder.verify(validatorMock, 
times(2)).validateConfigForJob(anyObject());
@@ -371,8 +383,8 @@ public class TestJdbcRepository {
 
     SqoopConnector sqconnector = mock(SqoopConnector.class);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
         "find links for connector error.");
@@ -401,8 +413,8 @@ public class TestJdbcRepository {
 
     SqoopConnector sqconnector = mock(SqoopConnector.class);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     doReturn(linkList).when(repoHandlerMock).findLinksForConnector(anyLong(), 
any(Connection.class));
@@ -435,8 +447,8 @@ public class TestJdbcRepository {
 
     SqoopConnector sqconnector = mock(SqoopConnector.class);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
@@ -472,8 +484,8 @@ public class TestJdbcRepository {
 
     SqoopConnector sqconnector = mock(SqoopConnector.class);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
@@ -511,8 +523,8 @@ public class TestJdbcRepository {
 
     SqoopConnector sqconnector = mock(SqoopConnector.class);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
@@ -523,7 +535,7 @@ public class TestJdbcRepository {
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
         "update connector error.");
-    
doThrow(exception).when(repoHandlerMock).upgradeConnector(any(MConnector.class),
 any(Connection.class));
+    
doThrow(exception).when(repoHandlerMock).upgradeConnectorConfigs(any(MConnector.class),
 any(Connection.class));
 
     try {
       repoSpy.upgradeConnector(oldConnector, newConnector);
@@ -533,7 +545,7 @@ public class TestJdbcRepository {
       verify(repoHandlerMock, times(1)).findJobsForConnector(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteJobInputs(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteLinkInputs(anyLong(), 
any(Connection.class));
-      verify(repoHandlerMock, 
times(1)).upgradeConnector(any(MConnector.class), any(Connection.class));
+      verify(repoHandlerMock, 
times(1)).upgradeConnectorConfigs(any(MConnector.class), any(Connection.class));
       verifyNoMoreInteractions(repoHandlerMock);
       return ;
     }
@@ -554,10 +566,10 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(validRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(validRepoMock);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
     
when(sqconnector.getLinkConfigurationClass()).thenReturn(EmptyLinkConfiguration.class);
     
when(sqconnector.getJobConfigurationClass(any(Direction.class))).thenReturn(EmptyJobConfiguration.class);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
@@ -565,7 +577,7 @@ public class TestJdbcRepository {
     doReturn(jobList).when(repoHandlerMock).findJobsForConnector(anyLong(), 
any(Connection.class));
     doNothing().when(repoHandlerMock).deleteJobInputs(anyLong(), 
any(Connection.class));
     doNothing().when(repoHandlerMock).deleteLinkInputs(anyLong(), 
any(Connection.class));
-    doNothing().when(repoHandlerMock).upgradeConnector(any(MConnector.class), 
any(Connection.class));
+    
doNothing().when(repoHandlerMock).upgradeConnectorConfigs(any(MConnector.class),
 any(Connection.class));
     doReturn(true).when(repoHandlerMock).existsLink(anyLong(), 
any(Connection.class));
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
@@ -580,7 +592,7 @@ public class TestJdbcRepository {
       verify(repoHandlerMock, times(1)).findJobsForConnector(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteJobInputs(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteLinkInputs(anyLong(), 
any(Connection.class));
-      verify(repoHandlerMock, 
times(1)).upgradeConnector(any(MConnector.class), any(Connection.class));
+      verify(repoHandlerMock, 
times(1)).upgradeConnectorConfigs(any(MConnector.class), any(Connection.class));
       verify(repoHandlerMock, times(1)).existsLink(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(1)).updateLink(any(MLink.class), 
any(Connection.class));
       verifyNoMoreInteractions(repoHandlerMock);
@@ -603,10 +615,10 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(validRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(validRepoMock);
     when(sqconnector.getConfigValidator()).thenReturn(validatorMock);
-    when(sqconnector.getRepositoryUpgrader()).thenReturn(upgraderMock);
+    
when(sqconnector.getConfigurableUpgrader()).thenReturn(connectorUpgraderMock);
     
when(sqconnector.getLinkConfigurationClass()).thenReturn(EmptyLinkConfiguration.class);
     
when(sqconnector.getJobConfigurationClass(any(Direction.class))).thenReturn(EmptyJobConfiguration.class);
-    when(connectorMgrMock.getConnector(anyString())).thenReturn(sqconnector);
+    
when(connectorMgrMock.getSqoopConnector(anyString())).thenReturn(sqconnector);
 
     List<MLink> linkList = links(link(1,1), link(2,1));
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
@@ -614,7 +626,7 @@ public class TestJdbcRepository {
     doReturn(jobList).when(repoHandlerMock).findJobsForConnector(anyLong(), 
any(Connection.class));
     doNothing().when(repoHandlerMock).deleteJobInputs(anyLong(), 
any(Connection.class));
     doNothing().when(repoHandlerMock).deleteLinkInputs(anyLong(), 
any(Connection.class));
-    doNothing().when(repoHandlerMock).upgradeConnector(any(MConnector.class), 
any(Connection.class));
+    
doNothing().when(repoHandlerMock).upgradeConnectorConfigs(any(MConnector.class),
 any(Connection.class));
     doNothing().when(repoHandlerMock).updateLink(any(MLink.class), 
any(Connection.class));
     doReturn(true).when(repoHandlerMock).existsLink(anyLong(), 
any(Connection.class));
     doReturn(true).when(repoHandlerMock).existsJob(anyLong(), 
any(Connection.class));
@@ -631,7 +643,7 @@ public class TestJdbcRepository {
       verify(repoHandlerMock, times(1)).findJobsForConnector(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteJobInputs(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteLinkInputs(anyLong(), 
any(Connection.class));
-      verify(repoHandlerMock, 
times(1)).upgradeConnector(any(MConnector.class), any(Connection.class));
+      verify(repoHandlerMock, 
times(1)).upgradeConnectorConfigs(any(MConnector.class), any(Connection.class));
       verify(repoHandlerMock, times(2)).existsLink(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(2)).updateLink(any(MLink.class), 
any(Connection.class));
       verify(repoHandlerMock, times(1)).existsJob(anyLong(), 
any(Connection.class));
@@ -652,7 +664,7 @@ public class TestJdbcRepository {
     MDriver newDriverConfig = driver();
 
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
         "find jobs error.");
@@ -679,7 +691,7 @@ public class TestJdbcRepository {
     MDriver newDriverConfig = driver();
 
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
 
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
     doReturn(jobList).when(repoHandlerMock).findJobs(any(Connection.class));
@@ -710,7 +722,7 @@ public class TestJdbcRepository {
     MDriver newDriverConfig = driver();
 
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
 
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
     doReturn(jobList).when(repoHandlerMock).findJobs(any(Connection.class));
@@ -719,7 +731,7 @@ public class TestJdbcRepository {
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
         "update driverConfig entity error.");
-    doThrow(exception).when(repoHandlerMock).upgradeDriver(any(MDriver.class), 
any(Connection.class));
+    
doThrow(exception).when(repoHandlerMock).upgradeDriverConfigs(any(MDriver.class),
 any(Connection.class));
 
     try {
       repoSpy.upgradeDriver(newDriverConfig);
@@ -727,7 +739,7 @@ public class TestJdbcRepository {
       assertEquals(ex.getMessage(), exception.getMessage());
       verify(repoHandlerMock, times(1)).findJobs(any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteJobInputs(anyLong(), 
any(Connection.class));
-      verify(repoHandlerMock, times(1)).upgradeDriver(any(MDriver.class), 
any(Connection.class));
+      verify(repoHandlerMock, 
times(1)).upgradeDriverConfigs(any(MDriver.class), any(Connection.class));
       verifyNoMoreInteractions(repoHandlerMock);
       return ;
     }
@@ -747,12 +759,12 @@ public class TestJdbcRepository {
     
when(validatorMock.validateConfigForLink(any(MLink.class))).thenReturn(validRepoMock);
     
when(validatorMock.validateConfigForJob(any(MJob.class))).thenReturn(validRepoMock);
     when(driverMock.getValidator()).thenReturn(validatorMock);
-    
when(driverMock.getDriverConfigRepositoryUpgrader()).thenReturn(upgraderMock);
-    
when(driverMock.getDriverConfigurationGroupClass()).thenReturn(EmptyJobConfiguration.class);
+    when(driverMock.getConfigurableUpgrader()).thenReturn(driverUpgraderMock);
+    
when(driverMock.getDriverJobConfigurationClass()).thenReturn(EmptyJobConfiguration.class);
     List<MJob> jobList = jobs(job(1,1,1,1,1), job(2,1,1,2,1));
     doReturn(jobList).when(repoHandlerMock).findJobs(any(Connection.class));
     doNothing().when(repoHandlerMock).deleteJobInputs(anyLong(), 
any(Connection.class));
-    doNothing().when(repoHandlerMock).upgradeDriver(any(MDriver.class), 
any(Connection.class));
+    doNothing().when(repoHandlerMock).upgradeDriverConfigs(any(MDriver.class), 
any(Connection.class));
     doReturn(true).when(repoHandlerMock).existsJob(anyLong(), 
any(Connection.class));
 
     SqoopException exception = new 
SqoopException(RepositoryError.JDBCREPO_0000,
@@ -765,7 +777,7 @@ public class TestJdbcRepository {
       assertEquals(ex.getMessage(), exception.getMessage());
       verify(repoHandlerMock, times(1)).findJobs(any(Connection.class));
       verify(repoHandlerMock, times(2)).deleteJobInputs(anyLong(), 
any(Connection.class));
-      verify(repoHandlerMock, times(1)).upgradeDriver(any(MDriver.class), 
any(Connection.class));
+      verify(repoHandlerMock, 
times(1)).upgradeDriverConfigs(any(MDriver.class), any(Connection.class));
       verify(repoHandlerMock, times(1)).existsJob(anyLong(), 
any(Connection.class));
       verify(repoHandlerMock, times(1)).updateJob(any(MJob.class), 
any(Connection.class));
       verifyNoMoreInteractions(repoHandlerMock);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/repository/repository-derby/src/main/java/org/apache/sqoop/repository/derby/DerbyRepositoryHandler.java
----------------------------------------------------------------------
diff --git 
a/repository/repository-derby/src/main/java/org/apache/sqoop/repository/derby/DerbyRepositoryHandler.java
 
b/repository/repository-derby/src/main/java/org/apache/sqoop/repository/derby/DerbyRepositoryHandler.java
index c888910..aa58850 100644
--- 
a/repository/repository-derby/src/main/java/org/apache/sqoop/repository/derby/DerbyRepositoryHandler.java
+++ 
b/repository/repository-derby/src/main/java/org/apache/sqoop/repository/derby/DerbyRepositoryHandler.java
@@ -138,7 +138,7 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
    * repository. The job and connector configs within <code>mc</code> will get
    * updated with the id of the configs when this function returns.
    * @param mc The connector to use for updating configs
-   * @param conn JDBC link to use for updating the configs
+   * @param conn JDBC connection to use for inserting the configs
    */
   private void insertConfigsForConnector (MConnector mc, Connection conn) {
     long connectorId = mc.getPersistenceId();
@@ -151,17 +151,18 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
       baseInputStmt = conn.prepareStatement(STMT_INSERT_INPUT_BASE,
         Statement.RETURN_GENERATED_KEYS);
 
-      // Register link type config
+      // Register link type config for connector
+      // NOTE: The direction is null for LINK type
       registerConfigs(connectorId, null, mc.getLinkConfig().getConfigs(),
         MConfigType.LINK.name(), baseConfigStmt, baseInputStmt, conn);
 
-      // Register both from/to job type config
+      // Register both from/to job type config for connector
       if (mc.getSupportedDirections().isDirectionSupported(Direction.FROM)) {
-        registerConfigs(connectorId, Direction.FROM, 
mc.getConfig(Direction.FROM).getConfigs(),
+        registerConfigs(connectorId, Direction.FROM, 
mc.getFromConfig().getConfigs(),
             MConfigType.JOB.name(), baseConfigStmt, baseInputStmt, conn);
       }
       if (mc.getSupportedDirections().isDirectionSupported(Direction.TO)) {
-        registerConfigs(connectorId, Direction.TO, 
mc.getConfig(Direction.TO).getConfigs(),
+        registerConfigs(connectorId, Direction.TO, 
mc.getToConfig().getConfigs(),
             MConfigType.JOB.name(), baseConfigStmt, baseInputStmt, conn);
       }
     } catch (SQLException ex) {
@@ -752,8 +753,8 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
     for (URL url : connectorConfigs) {
       handler = new ConnectorHandler(url);
 
-      if (handler.getMetadata().getPersistenceId() != -1) {
-        return handler.getMetadata().getPersistenceId();
+      if (handler.getConnectorConfigurable().getPersistenceId() != -1) {
+        return handler.getConnectorConfigurable().getPersistenceId();
       }
 
       if (handler.getUniqueName().equals(CONNECTOR_HDFS)) {
@@ -761,8 +762,8 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
           PreparedStatement baseConnectorStmt = conn.prepareStatement(
               STMT_INSERT_CONNECTOR_WITHOUT_SUPPORTED_DIRECTIONS,
               Statement.RETURN_GENERATED_KEYS);
-          baseConnectorStmt.setString(1, 
handler.getMetadata().getUniqueName());
-          baseConnectorStmt.setString(2, handler.getMetadata().getClassName());
+          baseConnectorStmt.setString(1, 
handler.getConnectorConfigurable().getUniqueName());
+          baseConnectorStmt.setString(2, 
handler.getConnectorConfigurable().getClassName());
           baseConnectorStmt.setString(3, "0");
           if (baseConnectorStmt.executeUpdate() == 1) {
             ResultSet rsetConnectorId = baseConnectorStmt.getGeneratedKeys();
@@ -1229,9 +1230,7 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
     try {
       stmt = conn.prepareStatement(STMT_SELECT_LINK_FOR_CONNECTOR);
       stmt.setLong(1, connectorID);
-
       return loadLinks(stmt, conn);
-
     } catch (SQLException ex) {
       logException(ex, connectorID);
       throw new SqoopException(DerbyRepoError.DERBYREPO_0023, ex);
@@ -1244,7 +1243,12 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
    * {@inheritDoc}
    */
   @Override
-  public void upgradeConnector(MConnector mConnector, Connection conn) {
+  public void upgradeConnectorConfigs(MConnector mConnector, Connection conn) {
+    updateConnectorAndDeleteConfigs(mConnector, conn);
+    insertConfigsForConnector(mConnector, conn);
+  }
+
+  private void updateConnectorAndDeleteConfigs(MConnector mConnector, 
Connection conn) {
     PreparedStatement updateConnectorStatement = null;
     PreparedStatement deleteConfig = null;
     PreparedStatement deleteInput = null;
@@ -1271,15 +1275,19 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
     } finally {
       closeStatements(updateConnectorStatement, deleteConfig, deleteInput);
     }
-    insertConfigsForConnector(mConnector, conn);
-
   }
 
   /**
    * {@inheritDoc}
    */
   @Override
-  public void upgradeDriver(MDriver mDriver, Connection conn) {
+  public void upgradeDriverConfigs(MDriver mDriver, Connection conn) {
+    updateDriverAndDeleteConfigs(mDriver, conn);
+    createOrUpdateDriverSystemVersion(conn, mDriver.getVersion());
+    insertConfigsForDriver(mDriver, conn);
+  }
+
+  private void updateDriverAndDeleteConfigs(MDriver mDriver, Connection conn) {
     PreparedStatement deleteConfig = null;
     PreparedStatement deleteInput = null;
     try {
@@ -1295,8 +1303,6 @@ public class DerbyRepositoryHandler extends 
JdbcRepositoryHandler {
     } finally {
       closeStatements(deleteConfig, deleteInput);
     }
-    createOrUpdateDriverSystemVersion(conn, mDriver.getVersion());
-    insertConfigsForDriver(mDriver, conn);
   }
 
   /**

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/repository/repository-derby/src/test/java/org/apache/sqoop/repository/derby/TestDriverHandling.java
----------------------------------------------------------------------
diff --git 
a/repository/repository-derby/src/test/java/org/apache/sqoop/repository/derby/TestDriverHandling.java
 
b/repository/repository-derby/src/test/java/org/apache/sqoop/repository/derby/TestDriverHandling.java
index 95fbe07..bbf721f 100644
--- 
a/repository/repository-derby/src/test/java/org/apache/sqoop/repository/derby/TestDriverHandling.java
+++ 
b/repository/repository-derby/src/test/java/org/apache/sqoop/repository/derby/TestDriverHandling.java
@@ -125,7 +125,7 @@ public class TestDriverHandling extends DerbyTestCase {
         + DerbyRepoConstants.SYSKEY_DRIVER_CONFIG_VERSION + "'");
     assertEquals(lowerVersion, getDriverVersion());
 
-    handler.upgradeDriver(driver, getDerbyDatabaseConnection());
+    handler.upgradeDriverConfigs(driver, getDerbyDatabaseConnection());
 
     assertEquals(CURRENT_DRIVER_VERSION, driver.getVersion());
 

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
----------------------------------------------------------------------
diff --git 
a/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java 
b/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
index 7109ae5..c50e029 100644
--- a/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/ConnectorRequestHandler.java
@@ -70,7 +70,7 @@ public class ConnectorRequestHandler implements 
RequestHandler {
     LOG.info("ConnectorRequestHandler handles cid: " + cid);
     if (cid.equals("all")) {
       // display all connectors
-      connectors = ConnectorManager.getInstance().getConnectorsMetadata();
+      connectors = ConnectorManager.getInstance().getConnectorConfigurables();
       bundles = ConnectorManager.getInstance().getResourceBundles(locale);
 
       AuditLoggerManager.getInstance()
@@ -87,7 +87,7 @@ public class ConnectorRequestHandler implements 
RequestHandler {
       connectors = new LinkedList<MConnector>();
       bundles = new HashMap<Long, ResourceBundle>();
 
-      connectors.add(ConnectorManager.getInstance().getConnectorConfig(id));
+      
connectors.add(ConnectorManager.getInstance().getConnectorConfigurable(id));
       bundles.put(id, ConnectorManager.getInstance().getResourceBundle(id, 
locale));
 
       AuditLoggerManager.getInstance()

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
----------------------------------------------------------------------
diff --git 
a/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java 
b/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
index 462579c..0cd5acb 100644
--- a/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/JobRequestHandler.java
@@ -164,10 +164,10 @@ public class JobRequestHandler implements RequestHandler {
 
     // Verify that user is not trying to spoof us
     MFromConfig fromConfig = ConnectorManager.getInstance()
-        .getConnectorConfig(job.getConnectorId(Direction.FROM))
+        .getConnectorConfigurable(job.getConnectorId(Direction.FROM))
         .getFromConfig();
     MToConfig toConfig = ConnectorManager.getInstance()
-        .getConnectorConfig(job.getConnectorId(Direction.TO))
+        .getConnectorConfigurable(job.getConnectorId(Direction.TO))
         .getToConfig();
     MDriverConfig driverConfig = 
Driver.getInstance().getDriver().getDriverConfig();
 
@@ -179,8 +179,8 @@ public class JobRequestHandler implements RequestHandler {
     }
 
     // Corresponding connectors for this
-    SqoopConnector fromConnector = 
ConnectorManager.getInstance().getConnector(job.getConnectorId(Direction.FROM));
-    SqoopConnector toConnector = 
ConnectorManager.getInstance().getConnector(job.getConnectorId(Direction.TO));
+    SqoopConnector fromConnector = 
ConnectorManager.getInstance().getSqoopConnector(job.getConnectorId(Direction.FROM));
+    SqoopConnector toConnector = 
ConnectorManager.getInstance().getSqoopConnector(job.getConnectorId(Direction.TO));
 
     if (!fromConnector.getSupportedDirections().contains(Direction.FROM)) {
       throw new SqoopException(ServerError.SERVER_0004, "Connector " + 
fromConnector.getClass().getCanonicalName()
@@ -196,7 +196,7 @@ public class JobRequestHandler implements RequestHandler {
     Object fromConfigObject = 
ClassUtils.instantiate(fromConnector.getJobConfigurationClass(Direction.FROM));
     Object toConfigObject = 
ClassUtils.instantiate(toConnector.getJobConfigurationClass(Direction.TO));
 
-    Object driverConfigObject = 
ClassUtils.instantiate(Driver.getInstance().getDriverConfigurationGroupClass());
+    Object driverConfigObject = 
ClassUtils.instantiate(Driver.getInstance().getDriverJobConfigurationClass());
 
     ConfigUtils.fromConfigs(job.getJobConfig(Direction.FROM).getConfigs(), 
fromConfigObject);
     ConfigUtils.fromConfigs(job.getJobConfig(Direction.TO).getConfigs(), 
toConfigObject);

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
----------------------------------------------------------------------
diff --git 
a/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java 
b/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
index 80e65b8..b715ad3 100644
--- a/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
+++ b/server/src/main/java/org/apache/sqoop/handler/LinkRequestHandler.java
@@ -158,7 +158,7 @@ public class LinkRequestHandler implements RequestHandler {
 
     // Verify that user is not trying to spoof us
     MLinkConfig linkConfig =
-      ConnectorManager.getInstance().getConnectorConfig(link.getConnectorId())
+      
ConnectorManager.getInstance().getConnectorConfigurable(link.getConnectorId())
       .getLinkConfig();
     if(!linkConfig.equals(link.getConnectorLinkConfig())) {
       throw new SqoopException(ServerError.SERVER_0003,
@@ -166,7 +166,7 @@ public class LinkRequestHandler implements RequestHandler {
     }
 
     // Responsible connector for this session
-    SqoopConnector connector = 
ConnectorManager.getInstance().getConnector(link.getConnectorId());
+    SqoopConnector connector = 
ConnectorManager.getInstance().getSqoopConnector(link.getConnectorId());
 
     // We need translate configs
     Object connectorLinkConfig = 
ClassUtils.instantiate(connector.getLinkConfigurationClass());

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/spi/src/main/java/org/apache/sqoop/configurable/ConfigurableUpgradeUtil.java
----------------------------------------------------------------------
diff --git 
a/spi/src/main/java/org/apache/sqoop/configurable/ConfigurableUpgradeUtil.java 
b/spi/src/main/java/org/apache/sqoop/configurable/ConfigurableUpgradeUtil.java
new file mode 100644
index 0000000..715a61c
--- /dev/null
+++ 
b/spi/src/main/java/org/apache/sqoop/configurable/ConfigurableUpgradeUtil.java
@@ -0,0 +1,62 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sqoop.configurable;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.log4j.Logger;
+import org.apache.sqoop.common.SqoopException;
+import org.apache.sqoop.model.MConfig;
+import org.apache.sqoop.model.MInput;
+
+public class ConfigurableUpgradeUtil {
+
+  private static final Logger LOG = 
Logger.getLogger(ConfigurableUpgradeUtil.class);
+  /*
+   * For now, there is no real upgrade. So copy all data over,
+   * set the validation messages and error messages to be the same as for the
+   * inputs in the original one.
+   */
+  @SuppressWarnings("unchecked")
+  public static void doUpgrade(List<MConfig> original, List<MConfig> target) {
+    Map<String, MConfig> configMap = new HashMap<String, MConfig>();
+    for (MConfig config : original) {
+      configMap.put(config.getName(), config);
+    }
+    for (MConfig config : target) {
+      List<MInput<?>> inputs = config.getInputs();
+      MConfig originalConfig = configMap.get(config.getName());
+      if (originalConfig == null) {
+        LOG.warn("Config: '" + config.getName() + "' not present in old " +
+            "configurable. So it and its inputs will not be transferred by the 
upgrader.");
+        continue;
+      }
+      for (MInput input : inputs) {
+        try {
+          MInput originalInput = originalConfig.getInput(input.getName());
+          input.setValue(originalInput.getValue());
+        } catch (SqoopException ex) {
+          LOG.warn("Input: '" + input.getName() + "' not present in old " +
+              "configurable. So it will not be transferred by the upgrader.");
+        }
+      }
+    }
+  }
+}

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/spi/src/main/java/org/apache/sqoop/connector/ConfigurableError.java
----------------------------------------------------------------------
diff --git 
a/spi/src/main/java/org/apache/sqoop/connector/ConfigurableError.java 
b/spi/src/main/java/org/apache/sqoop/connector/ConfigurableError.java
new file mode 100644
index 0000000..4d34691
--- /dev/null
+++ b/spi/src/main/java/org/apache/sqoop/connector/ConfigurableError.java
@@ -0,0 +1,43 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sqoop.connector;
+
+import org.apache.sqoop.common.ErrorCode;
+
+public enum ConfigurableError implements ErrorCode {
+
+  /** An unknown error has occurred. */
+  CONFIGURABLE_0001("Link object upgrade called, but no upgrade routine 
provided for LINK config"),
+  CONFIGURABLE_0002("Job object upgrade called, but no upgrade routine 
provided for FROM job config"),
+  CONFIGURABLE_0003("Job object upgrade called, but no upgrade routine 
provided for TO job config"),
+ ;
+  private final String message;
+
+  private ConfigurableError(String message) {
+    this.message = message;
+  }
+
+  public String getCode() {
+    return name();
+  }
+
+  public String getMessage() {
+    return message;
+  }
+}
+

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/spi/src/main/java/org/apache/sqoop/connector/spi/ConnectorConfigurableUpgrader.java
----------------------------------------------------------------------
diff --git 
a/spi/src/main/java/org/apache/sqoop/connector/spi/ConnectorConfigurableUpgrader.java
 
b/spi/src/main/java/org/apache/sqoop/connector/spi/ConnectorConfigurableUpgrader.java
new file mode 100644
index 0000000..a112309
--- /dev/null
+++ 
b/spi/src/main/java/org/apache/sqoop/connector/spi/ConnectorConfigurableUpgrader.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.sqoop.connector.spi;
+
+import org.apache.sqoop.common.SqoopException;
+import org.apache.sqoop.connector.ConfigurableError;
+import org.apache.sqoop.model.MFromConfig;
+import org.apache.sqoop.model.MLinkConfig;
+import org.apache.sqoop.model.MToConfig;
+
+/**
+ * Configurable represents an entity that can provide configurations for the
+ * support config types {@linkplain ConfigType}
+ * This api represents the interface that configurable such as the 
connector/driver
+ * will implement to upgrade both the config and its corresponding data across 
different
+ * versions
+ *
+ */
+public abstract class ConnectorConfigurableUpgrader {
+
+  /**
+   * Upgrade the original link config for the given config type and fill into 
the upgradeTarget. Note
+   * that any data already in {@code upgradeTarget} maybe overwritten.
+   * @param original - original config as in the repository
+   * @param upgradeTarget - the instance that will be filled in with the
+   *                      upgraded config
+   */
+  public void upgradeLinkConfig(MLinkConfig original, MLinkConfig 
upgradeTarget) {
+    // The reasoning for throwing an exception by default is as follows.
+    // Sqoop calls the upgrade apis for every connector if and only if the
+    // corresponding link object that the config is associated with exists in 
the sqoop
+    // repository. In unexpected scenarios, if a link object is created in the
+    // sqoop repository without a corresponding upgrade routine for
+    // the link config, then this exception will be thrown to indicate a
+    // unexpected code path. In normal circumstances this
+    // scenario of having a link object for a connector without link config is
+    // very unlikely to happen. A likely scenario is that a connector will not 
have a link config and hence
+    // no link object will be created and thus this method will not be invoked.
+    throw new SqoopException(ConfigurableError.CONFIGURABLE_0001);
+
+  }
+
+  /**
+   * Upgrade the original FROM job config for the given config type and fill 
into the upgradeTarget. Note
+   * that any data already in {@code upgradeTarget} maybe overwritten.
+   * @param original - original config as in the repository
+   * @param upgradeTarget - the instance that will be filled in with the
+   *                      upgraded config
+   */
+
+  public void upgradeFromJobConfig(MFromConfig original, MFromConfig 
upgradeTarget) {
+    // see above for the reasoning behind the exception
+    throw new SqoopException(ConfigurableError.CONFIGURABLE_0002);
+  }
+  /**
+   * Upgrade the original TO job config for the given config type and fill 
into the upgradeTarget. Note
+   * that any data already in {@code upgradeTarget} maybe overwritten.
+   * @param original - original config as in the repository
+   * @param upgradeTarget - the instance that will be filled in with the
+   *                      upgraded config
+   */
+  public void upgradeToJobConfig(MToConfig original, MToConfig upgradeTarget) {
+    // see above for the reasoning behind the exception
+    throw new SqoopException(ConfigurableError.CONFIGURABLE_0003);
+
+  }
+
+}

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/spi/src/main/java/org/apache/sqoop/connector/spi/RepositoryUpgrader.java
----------------------------------------------------------------------
diff --git 
a/spi/src/main/java/org/apache/sqoop/connector/spi/RepositoryUpgrader.java 
b/spi/src/main/java/org/apache/sqoop/connector/spi/RepositoryUpgrader.java
deleted file mode 100644
index 879e428..0000000
--- a/spi/src/main/java/org/apache/sqoop/connector/spi/RepositoryUpgrader.java
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one
- * or more contributor license agreements.  See the NOTICE file
- * distributed with this work for additional information
- * regarding copyright ownership.  The ASF licenses this file
- * to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance
- * with the License.  You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-package org.apache.sqoop.connector.spi;
-
-import org.apache.sqoop.model.MConfigList;
-import org.apache.sqoop.model.MLinkConfig;
-
-/**
- * Repository represents the sqoop entity store. Sqoop entities include
- * the connectors, links, jobs and submissions and corresponding configs.
- *
- */
-public abstract class RepositoryUpgrader {
-
-  /**
-   * Upgrade the original link config and fill into the upgradeTarget. Note
-   * that any data already in {@code upgradeTarget} maybe overwritten.
-   * @param original - original link config as in the repository
-   * @param upgradeTarget - the instance that will be filled in with the
-   *                      upgraded link config.
-   */
-  public abstract void upgrade(MLinkConfig original, MLinkConfig 
upgradeTarget);
-  /**
-   * Upgrade the original job config and fill into the upgradeTarget. Note
-   * that any config data already in {@code upgradeTarget} maybe overwritten.
-   * This method must be called only after the link config has
-   * already been upgraded.
-   * @param original - original job config as in the repository
-   * @param upgradeTarget - the instance that will be filled in with the
-   *                      upgraded job config.
-   *  NOTE(VB): This api will be revisited to accomodate from and to job 
config update
-   */
-  public abstract void upgrade(MConfigList original, MConfigList 
upgradeTarget);
-}
-

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/spi/src/main/java/org/apache/sqoop/connector/spi/SqoopConnector.java
----------------------------------------------------------------------
diff --git 
a/spi/src/main/java/org/apache/sqoop/connector/spi/SqoopConnector.java 
b/spi/src/main/java/org/apache/sqoop/connector/spi/SqoopConnector.java
index 5315e1f..6ca6c18 100644
--- a/spi/src/main/java/org/apache/sqoop/connector/spi/SqoopConnector.java
+++ b/spi/src/main/java/org/apache/sqoop/connector/spi/SqoopConnector.java
@@ -60,11 +60,13 @@ public abstract class SqoopConnector {
   /**
    * @return Get link configuration group class
    */
+  @SuppressWarnings("rawtypes")
   public abstract Class getLinkConfigurationClass();
 
   /**
    * @return Get job configuration group class per direction type or null if 
not supported
    */
+  @SuppressWarnings("rawtypes")
   public abstract Class getJobConfigurationClass(Direction direction);
 
   /**
@@ -85,11 +87,11 @@ public abstract class SqoopConnector {
   public abstract Validator getConfigValidator();
 
   /**
-   * Returns an {@linkplain RepositoryUpgrader} object that can upgrade the
+   * Returns an {@linkplain ConnectorConfigurableUpgrader} object that can 
upgrade the
    * configs related to the link and job
    * @return RespositoryUpgrader object
    */
-  public abstract RepositoryUpgrader getRepositoryUpgrader();
+  public abstract ConnectorConfigurableUpgrader getConfigurableUpgrader();
 
   /**
    * Returns the {@linkplain IntermediateDataFormat} this connector

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryDumpTool.java
----------------------------------------------------------------------
diff --git 
a/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryDumpTool.java 
b/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryDumpTool.java
index f89c546..819cf6a 100644
--- a/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryDumpTool.java
+++ b/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryDumpTool.java
@@ -139,7 +139,7 @@ public class RepositoryDumpTool extends ConfiguredTool {
     while (iterator.hasNext()) {
       JSONObject result = iterator.next();
       Long connectorId = (Long) result.get(JSONConstants.CONNECTOR_ID);
-      result.put(JSONConstants.CONNECTOR_NAME,  
connectorManager.getConnectorConfig(connectorId).getUniqueName());
+      result.put(JSONConstants.CONNECTOR_NAME,  
connectorManager.getConnectorConfigurable(connectorId).getUniqueName());
     }
 
     return json;

http://git-wip-us.apache.org/repos/asf/sqoop/blob/39a22000/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryLoadTool.java
----------------------------------------------------------------------
diff --git 
a/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryLoadTool.java 
b/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryLoadTool.java
index 76ebd3b..8cf9cf1 100644
--- a/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryLoadTool.java
+++ b/tools/src/main/java/org/apache/sqoop/tools/tool/RepositoryLoadTool.java
@@ -18,6 +18,14 @@
 
 package org.apache.sqoop.tools.tool;
 
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.CommandLineParser;
 import org.apache.commons.cli.GnuParser;
@@ -25,13 +33,15 @@ import org.apache.commons.cli.OptionBuilder;
 import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.io.Charsets;
+import org.apache.commons.io.IOUtils;
 import org.apache.log4j.Logger;
 import org.apache.sqoop.common.Direction;
 import org.apache.sqoop.common.VersionInfo;
 import org.apache.sqoop.connector.ConnectorManager;
-import org.apache.sqoop.connector.spi.RepositoryUpgrader;
+import org.apache.sqoop.connector.spi.ConnectorConfigurableUpgrader;
 import org.apache.sqoop.connector.spi.SqoopConnector;
 import org.apache.sqoop.driver.Driver;
+import org.apache.sqoop.driver.DriverUpgrader;
 import org.apache.sqoop.json.JobBean;
 import org.apache.sqoop.json.LinkBean;
 import org.apache.sqoop.json.SubmissionBean;
@@ -50,16 +60,6 @@ import org.apache.sqoop.model.MToConfig;
 import org.apache.sqoop.repository.Repository;
 import org.apache.sqoop.repository.RepositoryManager;
 import org.apache.sqoop.tools.ConfiguredTool;
-
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.apache.commons.io.IOUtils;
 import org.apache.sqoop.utils.ClassUtils;
 import org.apache.sqoop.validation.ConfigValidationResult;
 import org.apache.sqoop.validation.ConfigValidationRunner;
@@ -140,8 +140,7 @@ public class RepositoryLoadTool extends ConfiguredTool {
    Repository repository = RepositoryManager.getInstance().getRepository();
 
    ConnectorManager.getInstance().initialize();
-   ConnectorManager connectorManager = ConnectorManager.getInstance();
-
+   
    LOG.info("Loading Connections");
 
    JSONObject jsonConns = (JSONObject) repo.get(JSONConstants.LINKS);
@@ -247,20 +246,21 @@ public class RepositoryLoadTool extends ConfiguredTool {
     //starting by pretending we have a brand new connection
     resetPersistenceId(link);
 
-    RepositoryUpgrader upgrader = 
Driver.getInstance().getDriverConfigRepositoryUpgrader();
     Repository repository = RepositoryManager.getInstance().getRepository();
 
-    MConnector mConnector = 
ConnectorManager.getInstance().getConnectorConfig(link.getConnectorId());
+    MConnector mConnector = 
ConnectorManager.getInstance().getConnectorConfigurable(link.getConnectorId());
+    ConnectorConfigurableUpgrader connectorConfigUpgrader = 
ConnectorManager.getInstance().getSqoopConnector(mConnector.getUniqueName()).getConfigurableUpgrader();
+
     List<MConfig> connectorConfigs = 
mConnector.getLinkConfig().clone(false).getConfigs();
     MLinkConfig newLinkConfigs = new MLinkConfig(connectorConfigs);
 
-    // upgrading the forms to make sure they match the current repository
-    upgrader.upgrade(link.getConnectorLinkConfig(), newLinkConfigs);
+    // upgrading the configs to make sure they match the current repository
+    connectorConfigUpgrader.upgradeLinkConfig(link.getConnectorLinkConfig(), 
newLinkConfigs);
     MLink newLink = new MLink(link, newLinkConfigs);
 
     // Transform config structures to objects for validations
-    SqoopConnector connector =
-            ConnectorManager.getInstance().getConnector(link.getConnectorId());
+    SqoopConnector connector = 
ConnectorManager.getInstance().getSqoopConnector(
+        link.getConnectorId());
 
     Object connectorConfig = ClassUtils.instantiate(
         connector.getLinkConfigurationClass());
@@ -286,27 +286,32 @@ public class RepositoryLoadTool extends ConfiguredTool {
   private long loadJob(MJob job) {
     //starting by pretending we have a brand new job
     resetPersistenceId(job);
+    MConnector mFromConnector = 
ConnectorManager.getInstance().getConnectorConfigurable(job.getFromConnectorId());
+    MConnector mToConnector = 
ConnectorManager.getInstance().getConnectorConfigurable(job.getToConnectorId());
 
-    RepositoryUpgrader upgrader = 
Driver.getInstance().getDriverConfigRepositoryUpgrader();
-    MDriver driver = Driver.getInstance().getDriver();
-    Repository repository = RepositoryManager.getInstance().getRepository();
+    MFromConfig fromConfig = job.getFromJobConfig();
+    MToConfig toConfig = job.getToJobConfig();
+
+    ConnectorConfigurableUpgrader fromConnectorConfigUpgrader = 
ConnectorManager.getInstance().getSqoopConnector(mFromConnector.getUniqueName()).getConfigurableUpgrader();
+    ConnectorConfigurableUpgrader toConnectorConfigUpgrader = 
ConnectorManager.getInstance().getSqoopConnector(mToConnector.getUniqueName()).getConfigurableUpgrader();
+
+    fromConnectorConfigUpgrader.upgradeFromJobConfig(job.getFromJobConfig(), 
fromConfig);
 
+    toConnectorConfigUpgrader.upgradeToJobConfig(job.getToJobConfig(), 
toConfig);
+
+    DriverUpgrader driverConfigUpgrader =  
Driver.getInstance().getConfigurableUpgrader();
+    MDriver driver = Driver.getInstance().getDriver();
     MDriverConfig driverConfigs = driver.getDriverConfig();
-    MFromConfig fromConfigs = job.getFromJobConfig();
-    MToConfig toConfigs = job.getToJobConfig();
+    driverConfigUpgrader.upgradeJobConfig( job.getDriverConfig(), 
driverConfigs);
 
-    // upgrading the configs to make sure they match the current repository
-    upgrader.upgrade(job.getDriverConfig(), driverConfigs);
-    upgrader.upgrade(job.getFromJobConfig(), fromConfigs);
-    upgrader.upgrade(job.getToJobConfig(), toConfigs);
-    MJob newJob = new MJob(job, fromConfigs, toConfigs, driverConfigs);
+    MJob newJob = new MJob(job, fromConfig, toConfig, driverConfigs);
 
     // Transform config structures to objects for validations
     SqoopConnector fromConnector =
-        ConnectorManager.getInstance().getConnector(
+        ConnectorManager.getInstance().getSqoopConnector(
             job.getConnectorId(Direction.FROM));
     SqoopConnector toConnector =
-        ConnectorManager.getInstance().getConnector(
+        ConnectorManager.getInstance().getSqoopConnector(
             job.getConnectorId(Direction.TO));
 
     Object fromConnectorConfig = ClassUtils.instantiate(
@@ -314,7 +319,7 @@ public class RepositoryLoadTool extends ConfiguredTool {
     Object toConnectorConfig = ClassUtils.instantiate(
         toConnector.getJobConfigurationClass(Direction.TO));
     Object driverConfig = ClassUtils.instantiate(
-            Driver.getInstance().getDriverConfigurationGroupClass());
+            Driver.getInstance().getDriverJobConfigurationClass());
 
     ConfigUtils.fromConfigs(
         job.getFromJobConfig().getConfigs(), fromConnectorConfig);
@@ -332,7 +337,7 @@ public class RepositoryLoadTool extends ConfiguredTool {
         toConnectorConfigResult.getStatus(), driverConfigResult.getStatus());
 
     if (finalStatus.canProceed()) {
-      repository.createJob(newJob);
+      RepositoryManager.getInstance().getRepository().createJob(newJob);
 
     } else {
       LOG.error("Failed to load job:" + job.getName());

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