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Posted to commits@cayenne.apache.org by aa...@apache.org on 2007/06/29 13:09:49 UTC
svn commit: r551852 - in
/cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access:
DbGenerator.java DbGeneratorPostprocessor.java
Author: aadamchik
Date: Fri Jun 29 04:09:48 2007
New Revision: 551852
URL: http://svn.apache.org/viewvc?view=rev&rev=551852
Log:
CAY-817 HSQLDB schema generation may not correctly flush the changes
Added:
cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGeneratorPostprocessor.java
Modified:
cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGenerator.java
Modified: cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGenerator.java
URL: http://svn.apache.org/viewvc/cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGenerator.java?view=diff&rev=551852&r1=551851&r2=551852
==============================================================================
--- cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGenerator.java (original)
+++ cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGenerator.java Fri Jun 29 04:09:48 2007
@@ -17,7 +17,6 @@
* under the License.
****************************************************************/
-
package org.apache.cayenne.access;
import java.sql.Connection;
@@ -303,8 +302,7 @@
}
// create FK
- if (shouldCreateTables
- && shouldCreateFKConstraints) {
+ if (shouldCreateTables && shouldCreateFKConstraints) {
Iterator it = dbEntitiesInInsertOrder.iterator();
while (it.hasNext()) {
DbEntity ent = (DbEntity) it.next();
@@ -339,6 +337,8 @@
safeExecute(connection, (String) it.next());
}
}
+
+ new DbGeneratorPostprocessor().execute(connection);
}
finally {
connection.close();
@@ -383,7 +383,7 @@
public List createFkConstraintsQueries(DbEntity table) {
return createConstraintsQueries(table);
}
-
+
/**
* Creates FK and UNIQUE constraint statements for a given table.
*
Added: cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGeneratorPostprocessor.java
URL: http://svn.apache.org/viewvc/cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGeneratorPostprocessor.java?view=auto&rev=551852
==============================================================================
--- cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGeneratorPostprocessor.java (added)
+++ cayenne/main/trunk/framework/cayenne-jdk1.4-unpublished/src/main/java/org/apache/cayenne/access/DbGeneratorPostprocessor.java Fri Jun 29 04:09:48 2007
@@ -0,0 +1,78 @@
+/*****************************************************************
+ * 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.cayenne.access;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.cayenne.dba.AutoAdapter;
+import org.apache.cayenne.dba.DbAdapter;
+import org.apache.cayenne.dba.hsqldb.HSQLDBAdapter;
+
+/**
+ * A helper class that handles postprocessing after the schema generation operation. E.g.
+ * some databases require a checkpoint command to be run for the schema changes to be
+ * flushed to disk.
+ *
+ * @author Andrus Adamchik
+ */
+class DbGeneratorPostprocessor {
+
+ private static final Map postprocessors;
+
+ static {
+ postprocessors = new HashMap();
+ postprocessors.put(HSQLDBAdapter.class.getName(), new HSQLDBPostprocessor());
+ }
+
+ void execute(Connection connection) throws SQLException {
+
+ DbAdapter adapter = AutoAdapter.getDefaultFactory().createAdapter(
+ connection.getMetaData());
+ if (adapter != null) {
+ Postprocessor postprocessor = (Postprocessor) postprocessors.get(adapter
+ .getClass()
+ .getName());
+ if (postprocessor != null) {
+ postprocessor.execute(connection);
+ }
+ }
+ }
+
+ static abstract class Postprocessor {
+
+ abstract void execute(Connection c) throws SQLException;
+ }
+
+ static class HSQLDBPostprocessor extends Postprocessor {
+
+ void execute(Connection c) throws SQLException {
+ PreparedStatement st = c.prepareStatement("CHECKPOINT");
+ try {
+ st.execute();
+ }
+ finally {
+ st.close();
+ }
+ }
+ }
+}